Soft slide mechanism for finger extension

Abstract

The present invention relates to a user wearable hand orthosis comprising: a support structure (100) comprising a back support (110) configured to be worn on at least a portion of the back of a hand of a user, the back support (110) being configured to support the back of the hand of the user; the back supporting part (110) is provided with a first surface on the back side of the back supporting part (110) and a second surface on the side, opposite to the back side, of the back supporting part (110); a sliding mechanism part comprising a sliding element (210), the sliding element (210) being configured to be movable between a first end position and a second end position along a track on a second surface side of the back support part (110); and at least one finger module (300) configured to be worn on at least one finger of a hand of a user, each of the at least one finger module (300) comprising a distal end portion (310) configured to be worn on at least one distal section of the at least one finger and a sliding element connection portion (340) configured to be worn on at least one distal section of the at least one finger, the sliding element connection portion (340) is configured to be connectable to a sliding element (210). The invention also relates to a method of manufacturing a hand appliance wearable by a user.

Description

[0001] This invention relates to a wearable hand orthosis and a method for manufacturing a wearable hand orthosis.

[0002] This invention relates to the field of wearable orthotics, and more particularly to the field of tendon-driven wearable glove orthotics. Specifically, members of individuals suffering from some form of upper body paralysis, such as from stroke, spinal cord injury, brachial plexus injury, or other causes, may have difficulty performing certain movements, such as grasping movements typically performed by the hands. Various types of mechanical devices have previously been developed to assist in performing such movements or to restore the ability to perform them.

[0003] Exemplary mechanical devices include tendon-driven electric glove devices, wherein tendons attached to the tips of the backs of the fingers pull the fingers into extension when under tension (see, for example, publications). Xiloyannis, Michele, et al., " Modeling and design of a synergy-based actuator for a tendon-driven soft robotic glove", 2016, 6th IEEE International Conference on Biomedical Robotics and Biomechatronics (BioRob), Yurkewich, Aaron, et al. "Hand Extension Robot Orthosis (HERO) Glove Development and Testing With Stroke Survivors With Severe Hand Impairment", 2019, IEEE Transactions on Neural Systems and Rehabilitation Engineering", 27.5 (2019): 916-926 and Kang, Brian Byunghyun, et al. "Development of a polymer-based tendon-driven wearable robotic hand", 2016 IEEE International Conference on Robotics and Automation (ICRA), IEEE, 2016 ).

[0004] Another known tendon-driven solution involves mounting a rigid structure on the back of the hand to which the tendon can be attached. When the tendon is under tension, the tendon attached to the underside of the structure (the back side of the hand) causes the structure to curl, which pushes the hand to close.

[0005] However, direct tendon-driven systems present problems arising from safety concerns (due to finger overextension) and comfort concerns (from tendon tension on the back of the hand). Therefore, additional considerations, whether mechanical or electrical, are necessary to ensure that finger overextension does not occur. Furthermore, due to the location of the tendons, they cut into the back of the fingers when under tension. This can lead to discomfort or even pain. Back-of-the-hand tendon-driven systems typically add a large volume and mass to the back of the hand. In addition, these systems have high transmission losses due to their mechanical structure, which often results in weak grip strength.

[0006] Other mechanical devices involve passive mechanisms for extending the fingers using springs or other elastic elements. A drawback of known passive solutions is that they work adequately only when tension on the tendons used for flexion is released. However, this is only possible in the relaxed hands of healthy individuals when muscle tension is consciously released. Therefore, passive mechanisms typically do not provide sufficient force for patients with spastic hands. For such patients, in addition to the force required to move the fingers, further forces are needed to overcome the spastic muscles as they actively resist the opening movement.

[0007] Therefore, the object of the present invention is to provide a user-wearable hand orthosis that overcomes one or more of the aforementioned disadvantages, and a method for manufacturing a user-wearable hand orthosis. In particular, the object of the present invention is to provide a user-wearable hand orthosis with improved operational characteristics and user adaptability. This object is achieved by a user-wearable hand orthosis having the features described in the independent claim and a method for manufacturing a user-wearable hand orthosis. Preferred embodiments form the subject matter of the dependent claims.

[0008] This invention is based on observations made by the inventors during extensive research that, although the palm can deform and change shape to be able to wrap around and firmly grasp any object, the main part of the back of the hand remains substantially flat during grasping actions. The user-wearable hand orthotic described below advantageously uses this area for gliding movements, such as linear gliding movements, in order to force the fingers into an extended position.

[0009] Therefore, aspects of this disclosure relate to user-wearable hand orthotics, such as tendon-driven hand orthotics and / or glove orthotics, preferably tendon-driven glove orthotics. In particular, although the following description may be given based on tendon-driven glove orthotics for illustrative purposes, it should be understood that other types of user-wearable orthotics may be similarly implemented with necessary modifications, such as hydraulically driven hand orthotics.

[0010] A user-wearable hand orthosis can be configured to be worn by a user, wherein the user-wearable hand orthosis can be configured to be at least partially mountable on the user's hand. In this context, "at least partially mountable on the user's hand" can be understood as mountable on the user's hand, wherein at least some components of the user-wearable hand orthosis can be mountable on other parts of the user, such as the arm, for example, the forearm, and / or the user's torso, such as the user's shoulder area. As an example, an actuator connected to at least one tendon that can be connected to the user-wearable hand orthosis can be located and / or worn on the user's torso or hip.

[0011] A wearable hand orthosis may include a support structure (hand support structure) comprising a back support configured to be worn on at least a portion of the back of the user's hand. The back support has a first surface located on the back side of the back support (i.e., the side facing the back of the hand) and a second surface located on the side of the back support opposite to the back side (i.e., the side facing away from the back of the hand). In other words, the second surface may be the surface opposite to the first surface.

[0012] The user-wearable hand orthosis may also include a sliding mechanism comprising a sliding element (slider) configured to move along a track on a second surface side of the back support (e.g., slidably move or slide). Movement along the track on the second surface side of the back support includes movement along a predetermined path above or slidably in contact with the second surface of the back support, and / or movement along a track provided by at least one guide element (e.g., at least one guide rail, guide recess, or other guide element) disposed on and / or connected to the second surface of the back support. The guide element may be a separate element or may be a component of the back support, and particularly a component of the second surface of the back support.

[0013] Specifically, the sliding element can be configured to be movable between a first end position and a second end position, wherein, in the use state of the hand orthosis, the first end position is arranged close to the wrist of the user's hand (e.g., substantially on the wrist joint), and the second end position is arranged at a distance from the first end position in a direction toward the knuckles of the user's hand (i.e., toward the fingers). Therefore, the distance from the second end position to the first end of the back support (e.g., the wrist) is greater than the distance from the first end position to the first end of the back support. In other words, in the use state of the user-wearable hand orthosis, the sliding element can be movable along a track in the substantially longitudinal direction of the user's hand. The track can be a substantially linear track. The use state of the user-wearable hand orthosis (as a wearing state) is a state in which the user-wearable hand orthosis is mounted on the user's hand.

[0014] The user-wearable hand orthosis may further include at least one finger module configured to be worn on at least one finger of the user's hand. Each of the at least one finger module includes a distal end and a sliding element connection portion. The distal end is configured to be worn on at least one distal segment of the at least one finger, and the sliding element connection portion is configured to be connectable to or attached to the sliding element. The distal end may be disposed at one end of the finger module (the distal end of the finger module), and the sliding element connection portion may be disposed at the other end of the finger module (the proximal end of the finger module). Within the scope of this disclosure, connecting two elements, segments, structures, parts, etc., includes direct connections and indirect connections (e.g., through intermediate elements, layers, etc.).

[0015] By providing a sliding mechanism that includes a sliding element (the sliding element being configured to be movable along a track on the second surface side of the back support, for example, slidably movable or sliding)), the area on the back of the hand that remains substantially flat during grasping movements can be advantageously utilized.

[0016] The sliding feature allows for the easy connection of at least one, preferably multiple, fingers to the same sliding element. This sliding element can then be actuated by a single tendon and a single motor or other actuator (a one-to-many relationship). This is sufficient for finger extension, as control over extension does not need to be as delicate as finger flexion. While it might be desirable to be able to flex individual fingers to perform a good clamping grip, or to be able to flex all fingers for a cylindrical grip, the most desirable or useful feature for finger extension is generally the ability to open any fingers that have previously been closed.

[0017] Therefore, a compact and lightweight mechanism for finger extension can be realized, which has reduced mechanical complexity and is easy for the user to operate, while generating sufficient hand extension force to aid grasping movements. In the example, the sliding mechanism may include a single sliding element, thereby further reducing the mechanical complexity of the user-wearable hand orthosis. However, multiple sliding elements can be provided, for example, for the movement of a single finger or multiple fingers. Therefore, a more general mechanism for finger extension may be possible.

[0018] Furthermore, by employing a sliding mechanism portion that provides attachment points for at least one finger to the back of the hand, the sliding mechanism portion can be configured to be substantially flat and low-profile. Since the length of the back of the hand naturally limits the movement of the sliding element, the stroke length of the movement can be easily limited, thereby preventing overextension of the at least one finger. Furthermore, since tension is applied to the finger module rather than the finger itself, discomfort caused by thread tension can be eliminated or significantly reduced. Moreover, the support structure portion (e.g., a glove structure) can be easily transformed into a Bowden tube, thereby effectively transmitting mechanical forces (e.g., tension) to the user's at least one finger.

[0019] The support structure can be, for example, a glove structure, having one or more sections or segments made of fabric, elastic polymer, and / or other flexible materials. Combinations of different materials are also possible. Advantages of a glove structure include light weight, suitability for various hands, and ease of putting on and taking off at least one of these advantages. Furthermore, advantages may include better joint alignment, which allows for a close fit with the hand and thus reduces problems associated with joint alignment. However, the support structure is not limited to a glove structure, and other structures (such as rigid structures or combinations of rigid and glove structures) can also be implemented.

[0020] The support structure can have a back support as described above. In use, the back support can take on a shape that substantially conforms to the shape of the back of the hand. Slight deviations from this shape are also possible.

[0021] A user-wearable hand orthosis may include additional support components, such as a palm support and / or a wrist support, wherein the palm support is configured to be worn on at least a portion of the user's palm, and the wrist support is configured to be worn on at least a portion of the user's wrist. In the usage state of the user-wearable hand orthosis, the palm support may be shaped to substantially conform to the shape of the palm. Similarly, in the usage state of the user-wearable hand orthosis, the wrist support may be shaped to substantially conform to the shape of the wrist. For example, the wrist support may be configured to wrap around the user's wrist and may include one or more straps (wristbands) that can be wrapped around the user's wrist, or may consist of one or more straps (wristbands) that can be wrapped around the user's wrist. The wrist support may also include a locking segment (e.g., Velcro, etc.) configured to secure the wrist support in its wrapped position around the user's wrist.

[0022] The back support and / or palm support and / or wrist support can be integrated, or they can be formed as separate modules or components that can be fixedly or releasably connected to each other, thereby forming a support structure to be worn or placed on the user's hand. Furthermore, combinations of integrated formation, fixed (i.e., permanent), and / or releasable connection are also possible, wherein some portions of the back support and / or palm support and / or wrist support can be integrated or fixedly connected, and some portions of the back support and / or palm support and / or wrist support can be releasably connected using locking segments, fasteners, etc.

[0023] To achieve connection, the back support, palm support, and optionally wrist support may be provided with at least one corresponding locking segment, wherein the locking segments of the back support, palm support, and optionally wrist support are configured to engage with each other. The support structure may be configured to wrap substantially around the user's hand so that the locking segments of the back support, palm support, and optionally wrist support engage with each other to mount the support structure on the user's hand. The locking segments may be configured as hook-and-loop locking segments, Velcro locking segments, clamps, etc.

[0024] The support structure can be configured to be substantially flat when not worn by the user and can be positioned on the user's hand and optionally on the wrist for mounting. For example, the support structure can be wrapped around the user's hand and optionally on the wrist. This allows for easy and secure storage of the support structure when not in use and simplifies its design and / or manufacture (e.g., additional hardware can be more easily mounted on the flat support structure).

[0025] The support structure, particularly one or more of the back support, palm support, and wrist support, may include various regions or segments. For example, the support structure (and particularly one or more of the aforementioned parts) may include at least one curved region or segment configured to bend to allow the support structure to wrap around and / or bend around the user's hand. Other regions or segments may have lower flexibility and / or higher stiffness than the flexible regions or segments. For example, the support structure, and particularly the back support, palm support, and / or wrist support, may include one or more compression load absorbing regions or segments configured to at least partially absorb compression loads within the support structure. Furthermore, as described above, the support structure (and particularly one or more of the aforementioned parts) may include one or more locking segments or regions.

[0026] The user-wearable hand orthosis also includes one or more finger modules (also referred to as "end actuators"). Each finger module is configured to be worn on at least one of the user's fingers, such as the index, middle, ring, and / or little finger. For example, each finger module may be configured to be worn on one of the user's fingers. At least one finger module may also be configured to be worn on more than one finger, such as on two, three, or all of the index, middle, ring, and little fingers.

[0027] One or more finger modules, preferably each finger module, can be configured to be worn at least on the distal segment of a corresponding finger, for example, on the distal phalanx segment. For example, one or more finger modules, preferably each finger module, may include a distal end configured to at least partially surround the distal segment of the user's corresponding finger, such as the distal phalanx segment. Specifically, the distal end of the finger module can be configured such that there is at least one point of contact between the distal end of the finger module and the tip of the at least one finger, particularly the anterior portion of the tip. The distal end can be configured in the form of a cap, which can be worn on the tip of the at least one finger and can at least partially surround at least one distal segment of the at least one finger, and particularly the tip. Most of the spastic force in the hand can be located in one or more distal and / or intermediate joints of the fingers, with relatively low resistance in the proximal (metacarpal) joints. Therefore, configuring one or more finger modules to be worn at least on the distal segment, and particularly on the fingertip, allows for more efficient force transmission and response to spastic resistance.

[0028] At least one finger module can be configured to connect to or be connected to a sliding element of a user-wearable hand orthosis. Specifically, the connection can be a rigid connection to ensure good force transmission. To achieve the connection, the sliding element and at least one finger module can include corresponding connecting portions and / or connecting elements. For example, the sliding element can include a finger module connecting portion for connecting one or more finger modules. If multiple finger modules are connected to or can be connected to the sliding element, the sliding element can include multiple finger module connecting portions for individual connection of a corresponding one of the multiple finger modules. At least one finger module, preferably each finger module, can include a corresponding sliding element connecting portion for connecting to the sliding element (particularly for connecting to at least one finger module connecting portion of the sliding element).

[0029] The connection between at least one finger module and the sliding element can be a fixed connection or a releasable connection. A fixed connection allows for a very secure connection between the corresponding finger module and the sliding mechanism. Furthermore, the fit of the connection can be determined during and / or before the manufacture and / or assembly of the support structure and / or the sliding mechanism, and therefore no longer requires checking during installation to the user and / or during use of the user-wearable hand orthosis. Alternatively, at least one finger module may preferably be releasably connectable to and / or fixed to the sliding element. In other words, at least one finger module can be detachable. This can significantly facilitate the installation of the support structure and finger module to the user, for example, for users with hand spasticity. Furthermore, during the installation of the hand orthosis to the user, it can be adapted to the user's specific needs. For example, length adjustment based on different hand sizes can be allowed. This allows for improved flexibility of use, where a given hand orthosis can be easily adapted to multiple different users. Combinations of fixed and releasable connections (e.g., for different fingers) are also possible.

[0030] Not all finger modules need to be connected to or be connectable to a sliding element. For example, a hand orthosis may include at least one finger module configured to be fixedly or releasably connected to or connected to a support structure. For example, the support structure may include at least one finger module connecting segment, wherein at least one other finger module may be connectable to, and preferably releasably connectable to, said at least one finger module connecting segment. As mentioned above, fixed connections can be very robust and can be adjustable during the manufacture of the hand orthosis. Releasable connections can make installation of the support structure and finger modules on a user easier, for example, for a user with hand spasticity, and can allow for adaptation to the individual user's needs or hand anatomy.

[0031] The user-wearable hand orthosis may also include a thumb module. The thumb module can be configured to be worn on the user's thumb. The thumb module can be integrated with a dorsal support and / or a palm support and / or a wrist. Optionally, the thumb module can be connectable and / or secured to a support structure, and particularly connectable and / or secured to one or more of the dorsal support, palm support, and wrist. The thumb module can be configured similarly to the finger modules described herein. The thumb module can be configured to be worn at least on the distal segment of the user's thumb, for example, on the distal phalanx. This allows for a more effective response to spastic resistance in the user's thumb.

[0032] At least one, preferably each, of the back support, palm support, wrist, sliding mechanism, finger module, and / or thumb module can be sized to meet the specific needs of the user, such as providing a good fit to the user's hand. Furthermore, as mentioned above, at least one, preferably each, of the back support, palm support, wrist, sliding mechanism, finger module, and / or thumb module can be configured to be separable from each other. In particular, this can significantly improve the ease of use of the user-wearable hand orthosis, for example, in the process of attaching and / or removing the user-wearable hand orthosis from the user's hand. Furthermore, the replaceability of at least one, preferably each, of the finger module, hand body substructure, palm structure, back of hand structure, sliding mechanism, wrist module, and / or thumb module can also be improved.

[0033] It is also possible that at least one of the finger modules and / or thumb modules can be integrated with at least one part of the sliding element and / or support structure (e.g., a back support and / or a palm support), while at least one other finger module and / or thumb module can be connectable and / or secured to at least one part of the sliding element and / or support structure. For example, a finger module configured to be worn on a user's little finger can be integrated with or releasably connected to a back support, while other finger modules configured to be worn on other fingers of the user's hand (e.g., index, middle, and / or ring fingers) can be secured or releasably connected to the sliding element. Another example is a thumb module, which can be integrated with a back support and / or a palm support, while one or more finger modules configured to be worn on one or more fingers of the user's hand can be releasably connected to and / or releasably secured to the sliding element and / or back support. In particular, this facilitates the installation of a user-wearable hand orthosis onto the user while still allowing for a high degree of adaptability.

[0034] However, this disclosure is not limited to the above configuration, and other configurations may also be possible.

[0035] As described above, the wearable hand corrector may also include a sliding mechanism having a sliding element configured to move (e.g., slidably move) along a track between a first end position and a second end position.

[0036] Movement (e.g., sliding movement of a sliding element) can change the distance or length between the end of the back support (e.g., the end positioned near the user's wrist) and one or more anchor points / contact points of at least one finger module (and therefore, the proximal end of said at least one finger module). Thus, a pulling force can be applied to the fingers of the user's hand, forcing the hand into an open (extended) position.

[0037] In order to enable the sliding element to move, the user-wearable hand orthosis may also include at least one force transmission element that can be connected to the sliding element and configured to apply a (pull) force to the sliding element, so that the sliding element can move between a first end position and a second end position.

[0038] The sliding element may accordingly include a force transmission element connection portion, which is configured such that at least one force transmission element can be connected to the sliding element.

[0039] A force-transmitting element can be connected to an actuator (which may be part of a user-wearable hand orthosis), wherein the actuator is configured to apply a force, such as a (tight) force, to at least one force-transmitting element and thus to a sliding element. By applying a (tight) force to at least one force-transmitting element of the sliding element connected to the sliding mechanism, the user-wearable hand orthosis can be configured to assist the user's hand movements, such as grasping movements.

[0040] In the example, a user-wearable hand orthosis may include a single force transmission element connected to or connectable to a sliding element, thereby enabling a one-to-many connection (via the sliding element) between the actuator and at least one finger module connected to the sliding element. This simplifies the force transmission mechanism and reduces the weight of the user-wearable hand orthosis acting on the hand. Simultaneously, it may effectively assist or enable hand grasping movements.

[0041] The connection between at least one force transmission element and the sliding mechanism and / or actuator can be a fixed connection or a releasable connection. A releasable connection makes it easier to install and clean the user-wearable hand orthosis on the user.

[0042] The wearable hand orthosis may also include at least one additional force transmission element. This additional force transmission element may be configured to transmit force (e.g., tension) to each individual finger to induce finger movement, such as flexion movement of at least one or more finger joints. This facilitates or allows for more complex grasping or finger movement patterns. The additional force transmission element may, for example, extend along or be integrated into the palm support.

[0043] At least one force-transmitting element may be a tendon (e.g., an artificial tendon). The term "tendon" is intended to be interpreted broadly herein and includes artificial tendons, cables (e.g., Bowden cables, which include an outer sheath and one or more inner cables located within the outer sheath), belts (e.g., high-tensile-strength fabric belts), strips (e.g., elastomeric strips), chains, ribbons, straps, etc. Combinations of one or more different types of force-transmitting elements are also possible.

[0044] A user-wearable hand orthosis may include at least one force transmission element guide element configured to guide at least one force transmission element (e.g., a tendon) along a given path to a sliding element and / or a finger module and / or a thumb module, etc. Guiding at least one force transmission element can be understood as at least partially restricting at least one degree of freedom of movement of at least one force transmission element relative to a support structure. For example, guiding at least one force transmission element can be understood as defining at least one force transmission element path (preferably, a force transmission element path for each force transmission element) along a support structure (e.g., along one or more of a back support, a palm support, and a wrist). At least one force transmission element can be movable along said at least one force transmission element path while being restricted to said at least one force transmission element path by the force transmission element guide element.

[0045] At least one force transmission element guide element may be made of the same material as the core layer of the supporting structure (described in further detail below). At least one force transmission element guide element may be made of other materials, such as Teflon. ® PTFE. At least one force transmission element guide element may have at least a partially annular and / or tubular shape, wherein at least one force transmission element may be guided within a central cavity or opening of at least one force transmission element guide element. At least one force transmission element guide element may be 3D printable to and / or integrated into the core layer of the support structure. One or more of the at least one force transmission element guide elements may define a path for each of the at least one force transmission element.

[0046] When a force (e.g., tension) is applied, the sliding element moves along a track on the surface side of the back support, which is opposite to the back side of the back support. In the example, the sliding mechanism also includes at least one guide element, on which the sliding element is movably mounted. Thus, when a force (e.g., tension) is applied to the sliding element via at least one force-transmitting element, the at least one guide element defines a track along which the sliding element moves.

[0047] At least one guiding element may be or may include at least one guide rail disposed on a second surface of the back support, wherein a sliding element is movably mounted or can be mounted on the guide rail. At least one guide rail may have an elongated, substantially linear form and may have a cross-section in the thickness direction having a substantially rectangular form (with or without rounded edges), an elliptical form, or any other suitable form. Dimensions (width, thickness, length) may be appropriately selected based on the material and / or the size of the hand. Exemplary and non-limiting dimensions are: a width of about 3 mm to 15 mm, more specifically about 4 mm to 12 mm, further specifically about 5 mm to 7 mm; a length of about 30 mm to 80 mm, more specifically about 40 mm to 70 mm, further specifically about 45 mm to 60 mm; and a thickness (height) of about 0.1 mm to 1 mm, more specifically about 0.2 mm to 0.8 mm, further specifically about 0.3 mm to 0.5 mm. Exemplary guide rail dimensions are 6mm × 50mm × 0.4mm or 6mm × 50mm × 0.3mm. However, deviations are possible, depending on, for example, the intended use of a hand orthotic device worn by the user.

[0048] At least one guide rail can be connected to the back support and can be disposed on a surface (second surface) on the side of the back support opposite to the back side. The connection can be a fixed connection. For example, at least one guide rail can be integrally formed with the back support, or can be fixedly attached to the back support by suitable means (e.g., adhesive). At least one guide rail can also be releasably connected to the back support. For example, the back portion of the back support, and particularly the second surface, can be provided with at least one guide rail fastening (connection) portion configured to receive and securely hold at least one guide rail in place.

[0049] Alternatively or additionally, the guiding element may be or may include at least one guiding recess or groove configured to engage with a corresponding protrusion (e.g., a rail) provided on the back side of the sliding element. At least one guiding recess or groove may be formed, for example, on a second surface of the back support, i.e., on a surface of the back support opposite to the back of the user's hand. At least one guiding recess or groove may define a track along which the sliding element moves when a force (tension) is applied via a force-transmitting element (e.g., a tendon).

[0050] In the example, multiple (i.e., two or more) guide elements can be provided, such as guide rails, guide recesses, guide slots, etc. Combinations of different types of guide elements (e.g., guide rails and guide recesses or guide slots) are also possible.

[0051] At least one guide element (e.g., guide rail, recess, or groove) may include at least one portion made of a low-friction material. The at least one portion made of the low-friction material may be a portion that engages with (i.e., contacts) a sliding element. This portion may include a layer of low-friction material, or may be made of a low-friction material. Alternatively, the entire guide element may be formed of low-friction material.

[0052] Unless otherwise specified, low-friction materials can be understood within the scope of this disclosure as materials exhibiting a coefficient of friction equal to or less than 0.4, for example, equal to or less than 0.35, under both kinematic and / or static conditions. For example, the coefficient of friction under both kinematic and / or static conditions can be from about 0.04 to 0.1. A non-limiting example of a low-friction material is Teflon. ® PTFE, iGglidur ® Materials include: Nylon 6 / 6, and some types of hardened stainless steel.

[0053] Sliding elements can be formed in suitable sizes, shapes, and / or materials. For example, sliding elements can be made of or contain any suitable material, such as hardened stainless steel, spring steel (e.g., low-alloy manganese or medium-carbon or high-carbon steel), polymers (e.g., elastic polymers), and materials from iGglidur. ® Materials from the material family or any other suitable material.

[0054] The sliding element may include a body portion having a substantially plate-like form, for example, made of the aforementioned material. Within the scope of this disclosure, a substantially plate-like form can be understood as a form whose dimension / extension in one direction is significantly less than its dimension / extension in other directions. For example, the thickness of the body portion may be significantly less than its size / extension in the longitudinal and / or transverse directions. Within the scope of this disclosure, the longitudinal direction can be understood as the length direction of the hand, defined as the direction connecting the middle portion of the wrist to the tip of the middle finger in a plane substantially parallel to the back of the hand in the extended state of the hand. Within the scope of this disclosure, the transverse direction can be understood as a direction orthogonal to the longitudinal direction in a plane substantially parallel to the back of the hand.

[0055] The thickness of the plate-shaped main body of the sliding element can be from about 0.4 mm to 2.5 mm, more specifically from about 0.5 mm to 2.0 mm, and even more specifically from about 0.6 mm to 1.5 mm. The size / extension of the plate-shaped main body in the longitudinal direction can be from about 30 mm to 65 mm, more specifically from about 35 mm to 60 mm, and even more specifically from about 40 mm to 55 mm. The size / extension of the plate-shaped main body in the transverse direction can range from about 6 mm to 25 mm, more specifically from about 8 mm to 20 mm, and even more specifically from about 10 mm to 15 mm. Other sizes are also possible. For example, in the case where a user-wearable hand orthosis is configured to be installed on a child's hand, the sliding element, and particularly the plate-shaped main body, can have different lengths and / or widths and / or heights (thicknesses).

[0056] The thickness of the plate-shaped main body of the sliding element can be substantially constant, or it can vary in at least one direction. For example, the thickness of the plate-shaped main body can increase or decrease towards the edge of the plate-shaped main body in at least one direction. For example, the plate-shaped main body can gradually taper towards the edge of the plate-shaped main body in the longitudinal and / or transverse directions.

[0057] Furthermore, the plate-like body portion can be substantially planar or can be curved. For example, the plate-like body portion can be slightly curved to better conform to the shape of the back of the hand. Exemplary curvatures can be from about 60 mm to 300 mm, more specifically from about 75 mm to 250 mm, and even more specifically from about 90 mm to 150 mm. Optionally and / or additionally, the plate-like body portion can be made of an elastic material and configured such that its curvature changes with applied pressure to match the curvature of the hand (which itself can change).

[0058] At least one main surface, such as two main surfaces, of the plate-like body portion may be configured and / or may have elements and / or portions disposed thereon. For example, at least one main surface of the plate-like body portion may have at least one groove, at least one hole, protrusion, or at least one of other structures. For example, at least one main surface of the plate-like body portion may be configured to form at least one of at least one finger module connection portion, at least one force transmission element connection portion, and / or at least one guide rail engagement portion. Alternatively or additionally, at least one of the at least one finger module connection portion, at least one force transmission element connection portion, and at least one guide rail engagement portion may be formed as a separate element, said separate element being attached to at least one main surface of the plate-like body portion of the sliding element by suitable means (e.g., by using an adhesive).

[0059] Therefore, the sliding element may also include at least one finger module connecting part, at least one force transmission element connecting part and / or at least one guide rail engaging part.

[0060] In the example, the support structure, such as at least the back support and optionally the palm support and / or wrist support, may include at least one layer. The at least one layer may be a core layer (also referred to as a core skeleton layer). Optionally or additionally, the at least one layer may be a low-friction layer disposed on the hand-facing side of the support structure and / or on the side of the support structure opposite to the hand-facing side. Additional layers, such as protective layers, reinforcing layers, cushioning layers, and hardware layers, may also be provided.

[0061] The core layer can be configured to provide stability to the supporting structure and, in particular, to absorb compressive forces applied to the user's hand. The core layer can also be configured to guide at least one force-transmitting element (e.g., a tendon) to a sliding element and / or at least one finger module and / or thumb module.

[0062] The core layer may have core stiffness. Unless otherwise specified, within the scope of this disclosure, stiffness can be understood as the degree to which an object resists deformation in response to an applied force. Core stiffness may, for example, be the average stiffness of the core layer.

[0063] The core layer may be formed of at least one metal (e.g., low-carbon steel), at least one elastomer, at least one polymer (e.g., silicone, thermoplastic urethane (TPU), thermoplastic elastomer (TPE), and / or PA-6 (polyamide 6)), and / or at least one non-woven material. However, it should be understood that the core layer is not limited to such exemplary materials. For example, the core layer may be formed of a first base material (e.g., such as 85A TPU) and a second base material (e.g., 95A TPU), the second base material having greater stiffness than the first base material.

[0064] The core layer and / or at least one additional layer may be substantially uniform layers or may include multiple segments. For example, the core layer may be configured to form at least one of the parts and / or elements described herein. Non-limiting examples include one or more of the following elements or parts: guide rails, guide grooves, tendon guide grooves, guide rail connections / fasteners, support element connections / fasteners, anti-overstretching elements, locking segments, etc.

[0065] Optionally or additionally, the core layer can be configured to form multiple segments with different stiffness, flexibility, density, thickness, material composition, and / or other properties. For example, the core layer and / or at least one additional layer can be constructed (e.g., by providing holes, portions of different thicknesses, such as grooves, reinforcing ribs, protrusions, etc.) to form multiple regions with different mechanical properties, such as different stiffness, flexibility, etc. Therefore, the support structure can be precisely adapted to the user's needs. Furthermore, a lightweight, flexible yet stable support structure can be achieved.

[0066] For example, the core layer may include at least one reinforcing segment with a stiffness greater than that of another segment / part (e.g., a main segment). The at least one reinforcing segment may include at least one segment having a thickness greater than that of the at least one main segment. The at least one reinforcing segment may contain more and / or denser material than the at least one main segment. The at least one reinforcing segment may contain material with greater stiffness than the material of the at least one main segment. For example, one or more reinforcing segments may include at least one support element (e.g., a reinforcing element) embedded in the core layer, such as a spring steel (e.g., low-carbon steel, low-alloy manganese, medium-carbon steel, or high-carbon steel) insert element.

[0067] The core layer may include at least two stiffening segments, each of which may have substantially the same stiffness. In the context of this disclosure, this can be understood as including variations due to, for example, environmental and / or production factors. Alternatively, the at least two stiffening segments may have different stiffnesses than each other.

[0068] The core layer may also include at least one curved segment having at least a third stiffness less than, for example, that of a main layer segment. The at least one curved segment may be a physical segment of the core layer that differs from at least one main layer segment and / or at least one reinforcing segment. The at least one curved segment may include at least one segment having a thickness less than that of at least one main layer segment. The at least one curved segment may contain less material and / or a lower density material than at least one main layer segment. For example, the at least one curved segment may include one or more through-holes through the core layer. The at least one curved segment may contain a material with a lower stiffness than that of at least one main layer segment. For example, one or more curved segments may include curved elements embedded in the core layer, such as bending elements and / or hinge elements.

[0069] The core layer may include at least two bending segments, each of which may have substantially the same stiffness. Alternatively, the at least two bending segments may have different stiffnesses from each other.

[0070] The above description of the segments of the core layer also applies to at least one additional layer, which may also present multiple segments with different characteristics.

[0071] Alternatively, or in addition to the core layer, the support structure, and in particular the back support, palm support and / or wrist support, may include a low-friction layer.

[0072] The low-friction layer can be configured, for example, to reduce friction between the movable sliding element and other parts of the support structure (such as the back support and / or cover). The low-friction layer can also be configured to reduce friction between parts of the support structure and the skin of the user's hand that contacts those parts.

[0073] Therefore, a low-friction layer can be provided in the portion of the support structure that contacts the hand and / or sliding element (e.g., in the portion of the back of the hand support and / or the palm support and / or the wrist). Similarly, a low-friction layer can be provided in the internal portion of the finger module and / or thumb module that contacts the user's hand.

[0074] The low-friction layer can be, for example, Teflon. ® Layers of PTFE, nylon woven fabrics, silk blended fabrics, Lycra / spandex blended fabrics, etc.

[0075] Alternatively, in addition to the core layer and / or low-friction layer, the support structure, and particularly the back support, palm support and / or wrist support, may include other layers, such as at least one protective layer, buffer layer, hardware layer, reinforcement layer, etc.

[0076] In the example, at least the back support portion and optionally the palm support portion and / or wrist portion of the support structure can have a multi-layered structure, that is, it can include at least two layers, which can be configured to exhibit different properties and be used for different purposes. For example, the multi-layered structure can include at least one core layer as described above and at least one additional layer. The at least one additional layer can at least partially cover the core layer.

[0077] The at least one additional layer may be arranged and / or fixed adjacent to the core layer. The at least one additional layer may be arranged and / or fixed directly adjacent to, preferably in contact with, the core layer. Alternatively or additionally, the at least one additional layer may be arranged and / or fixed indirectly adjacent to the core layer, wherein one or more intermediate elements and / or components may be arranged and / or fixed between the respective at least one additional layer and the core layer. Non-limiting examples of one or more intermediate elements and / or components may include one or more other additional layers, one or more sensors and / or one or more force transmission elements, etc.

[0078] At least one additional layer can be configured to be detachable and / or removable from the core layer. In particular, at least one internal additional layer can therefore be easily replaceable and / or cleanable. Thus, such an internal additional layer can improve the hygienic properties and / or lifespan of the user-wearable hand orthosis.

[0079] Exemplary additional layers are low-friction layers, protective layers, buffer layers, hardware layers, reinforcing layers, etc. When multiple additional layers are present, they can be formed from the same or different materials. At least one additional layer may have properties different from those of the core layer and / or from those of other additional layers (e.g., stiffness, flexibility, etc.). For example, at least one additional layer may have a lower stiffness than the core layer. Furthermore, one or more additional layers may be constructed in the same or different ways (e.g., by providing holes, portions of different thicknesses, such as grooves or reinforcing ribs), for example, forming multiple regions with different mechanical properties.

[0080] Therefore, by selecting appropriate materials for the core layer and / or at least one additional layer, the support structure can be precisely adapted to the user's needs. For example, one or more materials for the core layer and / or at least one additional layer can be combined into a three-dimensional composite structure, enabling very precise control over the mechanical properties of, for example, a user-wearable hand orthosis. In particular, during the operation of a user-wearable hand orthosis, it becomes possible to increase the stiffness and / or rigidity of areas subjected to high loads while maintaining softness for the user (e.g., the user's skin) and flexibility in sensitive areas. Furthermore, this allows the user-wearable hand orthosis to withstand significantly higher loads with the same level of softness.

[0081] At least one additional layer may be a low-friction layer, such as the low-friction layer described above. Other additional layers may be disposed between the core layer and the low-friction layer, or may be disposed on the core layer.

[0082] At least one additional layer may be an internal additional layer, and there may be multiple internal additional layers. At least one internal additional layer may be at least partially disposed within and / or secured (e.g., directly or indirectly adjacent) to a first side inside the core layer. In particular, preferably in the use state of a user-wearable hand orthosis, the internal side of the core layer may be the hand-facing side of the core layer. In other words, preferably in the use state, at least one internal additional layer may be at least partially disposed between the core layer and the user's hand.

[0083] At least one inner additional layer may include an inner fabric layer, wherein the inner fabric layer may be configured to prevent and / or reduce injury and / or discomfort to the user, such as injury and / or discomfort caused by the edges of the core layer during hand flexion. However, the inner fabric layer is not limited thereto. For example, the inner fabric layer may be configured to provide thermal insulation to the user's hand, for example, to keep the user's hand warm during low ambient temperatures, and / or the inner fabric layer may be configured to allow the user's sweat to diffuse into the external environment around the user (e.g., the inner fabric layer may be a highly breathable fabric layer).

[0084] At least one additional layer may include at least one external additional layer. The at least one external additional layer may be at least partially disposed on a second side outside the core layer that may be fixed (e.g., directly or indirectly adjacent). In particular, it is preferred that, in the use state, the outer side of the core skeleton layer may be the side of the core layer facing away from the user and / or hand. In other words, at least one external additional layer may be at least partially disposed such that the core layer can be disposed and / or positioned between the user's hand and at least one external additional layer, preferably in the use state.

[0085] At least one external additional layer may include an external fabric layer, wherein the external fabric layer may be configured to prevent injury and / or discomfort to the user, such as injury and / or discomfort caused by the edges of the core layer during hand flexion. However, the external fabric layer is not limited thereto. For example, the external fabric layer may be configured to provide thermal insulation to the user's hand, for example, to keep the user's hand warm during low ambient temperatures, and / or to improve the breathability of the user-wearable hand orthosis. Furthermore, the external fabric layer may be configured to prevent and / or reduce damage to the user-wearable hand orthosis and / or the core layer during use of the user-wearable hand orthosis.

[0086] At least one internal attachment layer and / or at least one external attachment layer can be user-customizable. For example, the material selection for at least one internal attachment layer and / or at least one external attachment layer can be based on the user's individual needs, such as those related to the user's allergies, skin condition, and / or physiological characteristics (e.g., sweating and / or temperature perception). Furthermore, the optical and aesthetic characteristics of at least one internal attachment layer and / or at least one external attachment layer can be selected according to the user's preferences and requirements to facilitate the installation of a wearable hand orthotic on the user.

[0087] Although features and characteristics of at least one additional layer are described and / or illustrated herein, it should be understood that each additional additional layer or each sub-segment of a particular additional layer may include any combination of features described and / or illustrated herein with respect to at least one additional layer.

[0088] The core layer and optionally at least one additional layer can be manufactured and / or made manufacturable using molding or additive manufacturing. For example, the core layer can be manufactured, for instance, by 3D printing using one or more materials. Specifically, the core layer and optionally at least one additional layer can therefore be easily and efficiently manufacturable. Furthermore, by providing a support structure having at least a core layer manufactured, for example, by 3D printing, the user-wearable hand orthosis and / or support structure can be easily and locally manufactured and / or adapted to the user, thereby increasing the adaptability and personalization of the user-wearable hand orthosis.

[0089] Furthermore, by allowing the core layer, along with optional additional layers, to be manufactured, for example, through 3D printing, the core layer can be precisely adapted to the user's specific requirements, leading to a significant improvement in the fit of the user-wearable hand orthosis. Additionally, the core layer can be easily replaced without requiring the replacement of the entire user-wearable hand orthosis.

[0090] However, this disclosure is not limited to using molding or additive manufacturing to manufacture the core layer and optionally at least one additional layer, and other suitable techniques (such as injection molding, weaving, knitting, etc.) may also be used for the entire layer or at least a segment of the corresponding layer.

[0091] The support structure may also include a cover that is connected to or may be connected to the back support (and optionally to the wrist support), wherein the cover is movable between an open position and a closed position, wherein in the closed position, a first surface of the cover disposed on the back side (and thus facing the second surface of the back support) is configured to substantially cover the sliding element and at least one connecting portion of the optional at least one finger module when the at least one finger module is connected to the sliding element.

[0092] Specifically, when in the closed position, the cover can at least partially cover the upper surface of the back support (i.e., the surface on the side opposite to the back side, i.e., the side opposite to the side facing the hand). In the example, the cover substantially covers the entire upper surface of the back support.

[0093] Therefore, in the closed position of the cover, the hand-facing surface of the cover (the first surface of the cover) and the upper surface of the back support (i.e., the second surface of the back support) can form a shell (e.g., a pocket) that, when connected to the sliding element, can enclose the sliding mechanism portion having the sliding element and optionally at least one finger module as a connecting portion. Specifically, when closed, the cover can form a temporary Bowden tube for the sliding element. Thus, when the cover is closed, the sliding mechanism portion, and in particular the connecting portion of the sliding element and / or at least one finger module, can be protected. Furthermore, when closed, the cover can constrain the sliding element and / or at least one finger module. For example, when closed, when the support structure is in a worn (used) state, the cover can restrict the movement of the sliding element to movement in a plane substantially parallel to the back of the hand, and / or can redirect the applied force to one or more finger modules connected to the sliding element.

[0094] The cover may be connected to, or may be connected to, an end (i.e., side) portion of the support structure (e.g., the end of the back support and / or the palm support) in the lateral direction of the hand (and the support structure). The connection may be fixed or removable. To achieve connection between the cover and at least one other portion of the support structure, at least one hinge element may be provided, configured to allow rotational movement of the cover between an open position and a closed position.

[0095] The cover may have a multi-layered structure, including one or more layers described herein. For example, the cover may include a low-friction layer disposed on the back side (i.e., the side of the cover facing the second surface of the back support). Furthermore, the multi-layered structure of the cover may include additional layers, such as inner layers, outer layers, core layers, etc., as described herein.

[0096] The low-friction layer may at least partially cover the surface of the cover on the back side of the cover. The low-friction layer may be configured to reduce friction between the movable sliding element and the cover. The low-friction layer may be, for example, Teflon. ® PTFE layer, nylon woven fabric, silk blended fabric, Lycra / spandex blended fabric, etc. The low-friction layer can be the same material as those provided on the side of the back support where the sliding element is located.

[0097] The wearable hand corrector may also include at least one support element and / or an anti-overstretching mechanism.

[0098] At least one support element can be configured to withstand compressive loads and can exhibit, for example, a higher stiffness than other components or segments of the support structure. The at least one support element can be, for example, a spring steel element, such as a low-alloy manganese, medium-carbon steel, or high-carbon steel insert element, carbon fiber, glass fiber, ABS / PETG, nylon, or an element of other materials with similar stiffness properties. In an example, the at least one support element can be in the form of a substantially strip, with a thickness of about 0.1 mm to 0.8 mm, more specifically about 0.2 mm to 0.6 mm, further specifically about 0.2 mm to 0.4 mm; a width of about 3 mm to 10 mm, more specifically about 4 mm to 8 mm, further specifically about 5 mm to 7 mm; and a length of about 30 mm to 80 mm, more specifically about 50 mm to 95 mm, further specifically about 60 mm to 80 mm.

[0099] At least one support element may be disposed or embedded in at least one of the back support, palm support, and wrist support. For example, at least one support element may be disposed or embedded in the back support. Specifically, as described above, at least one support element may be embedded in or connected to the core layer. The connection may be, for example, a fixed or releasable connection. At least one support element may also be part of a reinforcing layer (as an example of an additional layer), which, as described above, may be (fixedly or releasably) connected to the core layer.

[0100] In the example, at least one support element may be disposed between the core layer and the low-friction layer and / or another additional layer (such as the aforementioned inner or outer layer).

[0101] At least one anti-overextension mechanism can be configured to limit or constrain the degree of movement of the sliding element in the direction toward the wrist, thereby preventing overextension of the hand. The anti-overextension mechanism may consist of or include at least one anti-overextension element disposed in a suitable location, such as near the user's wrist, and configured to limit the movement of the sliding element in the direction toward the wrist, for example, to prevent the sliding element from moving beyond a first end position. At least one anti-overextension element may, for example, be a mechanical stop element.

[0102] At least one anti-overstretch element can be integrated with the back support (e.g., it can be formed of the same material as the back support), or it can be formed as a separate element that can be fixedly or releasably connected to the back support. In the example, the connection point or joint between the guide rail and the back support can be used as the anti-overstretch element. Thus, a simple yet effective anti-overstretch mechanism can be achieved.

[0103] Similarly, the movement of the sliding element in the direction toward the user's fingers can be limited by a suitable stopping mechanism that includes at least one stopping element (e.g., at least one mechanical stopping element).

[0104] At least one stop element may be integrated with the back support (e.g., it may be formed of the same material as the back support), or it may be formed as a separate element that is fixedly or releasably connected to the back support. In the example, the connection point or connection of at least one guide rail with the back support and / or at least one support element can serve as a stop element to prevent the sliding element from moving beyond a second end position in the direction toward the fingers. Thus, a simple yet effective mechanism can be realized for limiting the movement of the sliding mechanism in the direction toward the user's fingers.

[0105] Support structures (e.g., distal supports and / or palm supports and / or wrist supports) and / or one or more finger modules and / or thumb modules may include one or more hardware mounting elements. One or more hardware mounting elements may be configured to engage with one or more external hardware components. Non-limiting examples of external hardware components include one or more sensors and / or electronic devices. One or more sensors may be configured to sense the flexion angle of one or more fingers of the hand, pressure on the palm and fingers, and / or hand movement. Electronic devices may include a PCB, such as a flexible PCB, and / or a control unit, wherein the control unit may be configured, for example, to control one or more sensors and / or actuators. The control unit may be configured as a PCB, such as a flexible PCB. One or more hardware mounting elements may, for example, include one or more sleeve elements, hook elements, ring elements, and / or clip elements.

[0106] In the example, one or more hardware mounting elements may be mounted on the core layer or may be a component of the core layer.

[0107] In particular, by enabling external hardware components to be directly mounted on and / or within the core layer, the size and thickness of the wearable hand orthosis can be reduced. Furthermore, it is possible to prevent or reduce the user's sensation of one or more external hardware components and / or improve the installation stability of one or more external hardware components.

[0108] For example, one or more external hardware components can be at least partially embedded in the core layer, preferably fully embedded in the core layer. Therefore, high structural stability of the user-wearable hand orthosis can be achieved, and / or the loss and / or unintentional removal of one or more sensors and / or electronic devices can be avoided.

[0109] One or more external hardware components may also be installed or embedded in at least one dedicated layer, such as a hardware layer.

[0110] Another aspect of the invention relates to a method of manufacturing a user-wearable hand orthosis, the hand orthosis including a support structure configured to be worn on a user's hand. The user-wearable hand orthosis may be the user-wearable hand orthosis described herein and / or shown in the accompanying drawings.

[0111] Specifically, the method may include providing a support structure, a sliding mechanism including a sliding element and at least one finger module, the finger module being configured to be connected to or attached to the sliding element, as described herein in conjunction with the first aspect and its examples and embodiments and / or shown in the accompanying drawings.

[0112] Specifically, the method may include:

[0113] A support structure is provided, the support structure including a back support, the back support being configured to be worn on at least a portion of the back of a user's hand, wherein the back support has a first surface located on the back side of the back support (i.e., the side facing the back of the hand) and a second surface located on the side of the back support opposite to the back side (i.e., the side opposite to the first surface).

[0114] A sliding mechanism is provided, the sliding mechanism including a sliding element configured to move (slide) along a track on a second surface of a back support between a first end position and a second end position, wherein, in the use state of a user-wearable hand orthosis, the first end position is arranged close to the wrist of the user's hand, and the second end position is arranged at a distance from the first end position in a direction toward the knuckle portion of the user's hand.

[0115] At least one finger module is provided, the finger module being configured to be worn on at least one finger of a user's hand, wherein the at least one finger module includes a distal end and a sliding element connection portion, the distal end being configured to be worn on at least one distal segment of at least one finger, and the sliding element connection portion being configured to be connectable to or connected to a sliding element.

[0116] The above steps can be performed in different orders, and in particular, in any order.

[0117] In particular, the method may include any combination of features of a user-wearable hand orthosis and / or may exhibit the advantages of a user-wearable hand orthosis, as described herein and / or shown in the accompanying drawings.

[0118] Providing a support structure and / or a sliding mechanism and / or at least one finger module may include selecting and / or retrieving pre-manufactured support structures and / or sliding mechanisms and / or at least one finger module from storage. Alternatively or additionally, providing the support structure and / or sliding mechanism and / or at least one finger module may include manufacturing the support structure and / or sliding mechanism and / or at least one finger module, for example, using known methods (e.g., additive manufacturing, 3D printing, molding (e.g., injection molding), knitting, etc.). Providing the support structure may include connecting the individual parts of the support structure to each other.

[0119] The method may further include connecting the sliding mechanism to the back support, wherein the connection between the sliding mechanism and the back support may optionally include movably mounting a sliding element on a guide rail arranged on a surface of the back support opposite to the back surface of the back support.

[0120] The method may further include connecting at least one sliding element connection portion of at least one finger module to the sliding element, particularly to the connection portion of the sliding element.

[0121] The step of connecting at least one sliding element connection portion of at least one finger module to a sliding element may include adjusting the length from the connection portion (anchor point or anchor portion) of the at least one finger module to the distal end of the at least one finger module.

[0122] For example, the length can be adjusted by changing the pairing between a connecting element disposed on at least one finger module and a connecting element disposed on a sliding element. The connecting element may, for example, include a hole (e.g., disposed in at least one finger module) and a corresponding gripper (e.g., disposed on the sliding element), and the pairing between the hole and the gripper can be changed to alter or adjust the length from the connecting portion (anchor point or anchoring portion) of the at least one finger module to the distal end of the at least one finger module. The connection can also be implemented using at least one adjustable clamp, in which case, for example, the length adjustment can be performed by a technician during the initial assembly of the product.

[0123] Therefore, wearable hand orthotics can be easily adapted to the individual user's needs and / or anatomical structure.

[0124] The method may further include connecting a sliding element to at least one force-transmitting element configured to apply a (tension) force to the sliding element. As described herein, the connection may be a fixed or releasable connection and may be implemented by appropriate connecting elements and / or components.

[0125] Providing a support structure may include providing a multi-layered structure, such as the multi-layered structure disclosed in a wearable hand orthosis. Specifically, providing a support structure may include:

[0126] Provide a core layer; and / or

[0127] Provide at least one additional layer, wherein the at least one additional layer may be at least one low-friction layer disposed on the back side of the core layer and / or on the side opposite to the back side of the core layer.

[0128] Providing a core layer may include a core layer that provides back support and / or palm support and / or wrist support.

[0129] Providing the core layer may include manufacturing it using molding and / or additive manufacturing (e.g., 3D printing) and / or other manufacturing methods (e.g., knitting, weaving, etc.). This allows for easy and adaptable manufacturing of the core layer. Furthermore, the core layer can be produced locally and rapidly using, for example, additive manufacturing, such as 3D printing. Providing at least one additional layer may include manufacturing at least one additional layer, for example, using one or more manufacturing methods mentioned in conjunction with the manufacturing of the core layer. The steps of manufacturing the core layer and manufacturing at least one additional layer may be performed at least partially and substantially simultaneously and / or concurrently.

[0130] Providing a core layer and / or at least one low-friction layer and / or additional layer may include coating or permanently attaching at least one low-friction layer and / or additional layer to at least a portion of at least one surface (e.g., the back side surface and / or the surface of the side opposite to the back side) of one of the layers of a multilayer structure (e.g., the core layer).

[0131] The provision of a core layer and at least one low-friction layer and / or additional layer may include attaching (e.g., by means of appropriate fastening or locking elements or portions) at least a portion of at least one surface of the core layer (e.g., the surface on the back side and / or the surface on the side opposite to the back side).

[0132] The manufacturing process of the core layer may also include providing at least one of the parts and elements described herein on and / or in the core layer, such as force transmission elements or guiding elements (e.g., tendon guiding elements).

[0133] The manufacturing process of the core layer may also include forming multiple segments, such as those described herein in conjunction with wearable hand orthotics (e.g., finger module connectors, force transmission element connectors, guide element connectors, support element connectors, force transmission element guides, etc.). Alternatively or additionally, the manufacturing process of the core layer may include forming at least one main layer segment and a reinforcing segment, the main layer segment having a first stiffness and the reinforcing segment having at least a second stiffness greater than the first stiffness. The manufacturing process of the core layer may also include forming at least one curved segment having at least a third stiffness less than the first stiffness. Therefore, the wearable hand orthotics, and particularly the support structure, can be better adapted to the user's needs.

[0134] The method may further include wrapping the support structure substantially around the hand, such that a first locking segment of the support structure engages with a second locking segment of the support structure, thereby mounting the support structure on the user's hand. Thus, a simple and effective installation of a user-wearable hand orthosis can be achieved.

[0135] Essentially, wrapping around the user's hand can be understood as allowing at least a portion of the support structure to deform around the user's hand, preferably at least partially conforming to the shape of the hand. The first locking segment and the second locking segment can be respectively provided on, for example, the back support and the palm support.

[0136] As described above, the first and second locking segments may include at least one hook and at least one ring, which are configured to be secured to each other to engage the first and second locking segments. However, the first and second locking segments are not limited to this, and other types of locking mechanisms may be implemented, such as Velcro-based locking mechanisms, clamps, etc.

[0137] The invention will now be further explained using exemplary embodiments shown in the accompanying drawings. However, the embodiments shown in the drawings and / or described below should be understood as exemplary only, and therefore the invention should not be construed as limited to such exemplary embodiments.

[0138] The attached image shows:

[0139] Figure 1 : A schematic top view of an exemplary sliding element;

[0140] Figure 2A : Schematic isometric view, showing according to Figure 1 The upper surface of an exemplary sliding element;

[0141] Figure 2B : Schematic isometric view, showing according to Figure 1 The upper surface of an exemplary sliding element in a tendon-connected state;

[0142] Figure 3A : Schematic isometric view, showing according to Figure 1 The bottom surface of an exemplary sliding element;

[0143] Figure 3B :according to Figure 1 A cross-sectional view of an exemplary sliding element;

[0144] Figure 4 : A schematic diagram of an exemplary support structure, wherein the sliding element is in a first position;

[0145] Figure 5 :according to Figure 4 A schematic diagram of an exemplary support structure, wherein the sliding element is in a second position;

[0146] Figure 6 According to the connection of the finger module Figure 5 A schematic perspective view of an exemplary support structure;

[0147] Figure 7 :according to Figure 5 A schematic top view of an exemplary support structure;

[0148] Figure 8 : A schematic top view of the components of an exemplary support structure before the sliding mechanism is installed;

[0149] Figure 9 :according to Figure 8 A schematic top view of an exemplary support structure component, wherein a sliding mechanism is mounted on the support structure component;

[0150] Figure 10A : A schematic diagram of an exemplary wearable hand orthosis, wherein the wearable hand orthosis is in a use state with the cover closed;

[0151] Figure 10B : A schematic diagram of an exemplary wearable hand orthosis, wherein the wearable hand orthosis is in a usage state with the cover open; and

[0152] Figure 11 Example flowchart of a method for manufacturing a wearable hand orthosis.

[0153] Figure 1 Figure 3 shows a schematic diagram of an exemplary sliding element 210 of an exemplary sliding mechanism. Figure 1 A schematic top view of an exemplary sliding element 210 is shown, that is, a schematic view of the side (top) of the sliding element 210 opposite to the side facing the back of the hand when the user is wearing the hand corrector, that is, the side opposite to the back side. Figure 2A It shows Figure 1 The schematic isometric top view of the sliding element 210 shown is a schematic isometric view of the upper side of the sliding element 210. Figure 2B It shows Figure 1 The schematic isometric top view of the sliding element 210 in the state of connecting the tendon. Figure 3A A schematic isometric view of the bottom side of the exemplary sliding element 210, i.e., the back side of the sliding element 210, is shown. Figure 3B It shows that according to Figure 1 An exemplary sliding element is shown in a cross-sectional view along line B-B', which passes through the middle of the sliding element 210 in a plane substantially orthogonal to the main surface of the sliding element 210.

[0154] The sliding mechanism is included in an exemplary user-wearable hand orthosis (not shown in the figure). The user-wearable hand orthosis shown in the figure is an exemplary tendon-driven glove orthosis configured to be worn on a user's hand. In this exemplary tendon-driven glove orthosis, at least one force-transmitting element is a tendon. However, other types of user-wearable hand orthosis (e.g., rigid user-wearable hand orthosis) and / or other force-transmitting elements are also possible. At least one force-transmitting element (not shown in the figure) may be part of the user-wearable hand orthosis.

[0155] The sliding element 210 includes a body portion 212 having a substantially plate-like shape. As understood within the scope of this disclosure, a substantially plate-like shape refers to a shape whose dimension / extension in one direction is significantly less than its dimension / extension in another direction. Specifically, the thickness of the body portion 212 may be significantly less than its dimension / extension in the longitudinal direction L and / or the lateral direction T. As understood within the scope of this disclosure, the longitudinal direction L relates to the length direction of the hand, which can be defined as the direction connecting the middle portion of the wrist to the tip of the middle finger in a plane substantially parallel to the back of the hand in an extended state. As understood within the scope of this disclosure, the lateral direction T relates to a direction orthogonal to the longitudinal direction L in a plane substantially parallel to the back of the hand.

[0156] The main body 212 has a main surface, a first main surface 212-1, and a second main surface 212-2. The main surfaces 212-1 and 212-2 can be substantially planar surfaces and can be substantially parallel to each other. The first main surface 212-1 is on the back side of the sliding element 212, that is, on the side of the sliding element 212 facing the back of the hand when the user-wearable hand orthosis is in use. The second main surface 212-2 is located on the side opposite to the back side, that is, on the side facing away from the back of the hand when the user-wearable hand orthosis is in use. The main body 212 also has a peripheral (side) surface 212-3, which connects the first main surface 212-1 and the second main surface 212-2. In the example shown in the figure, the main body 212 has a substantially trapezoidal shape with rounded corners. Other shapes, such as rectangles, squares, circles, ellipses, etc., with or without rounded edges, are also possible.

[0157] The thickness (height) of the main body 212 can be approximately 0.4 mm to 2.5 mm, more specifically approximately 0.5 mm to 2.0 mm, and even more specifically approximately 0.6 mm to 1.5 mm. The maximum size / extension of the main body 212 in the longitudinal direction L can be approximately 30 mm to 65 mm, more specifically approximately 35 mm to 60 mm, and even more specifically approximately 40 mm to 55 mm. The maximum size / extension of the main body in the transverse direction T can be approximately 6 mm to 25 mm, more specifically approximately 8 mm to 20 mm, and even more specifically approximately 10 mm to 15 mm.

[0158] The sliding element 210 also includes a tendon connection 214 (as an example of a force transmission element connection 214), a guide rail joint 216, and multiple finger module connections 218-x (x = 1,…4).

[0159] The tendon connector 214 is configured such that one or more tendons 500 (as an example of a force transmission element) can be mounted and secured to the tendon connector 214 or the tendon connector 214.

[0160] In the example shown in the figure, the tendon connection 214 is implemented as a tethering member, which has an anchoring point for the tendon to pass through the center.

[0161] The tendon connector 214 has an elongated "mushroom" shape, comprising a base 214-1, a middle (stem) portion 214-2, and a head 214-3. The edges of the tendon connector 214 may be rounded, for example, to prevent injury and / or damage to other parts of the user-wearable hand orthosis.

[0162] The base 214-1 of the tendon connector extends from and connects to the second main surface 212-2 of the main body 212 (fixedly or releasably). The intermediate (stem) portion 214-2 extends from the base 214-1 and connects the base 214-1 to the head 214-3. The intermediate portion 214-2 of the tendon connector 214 has a substantially elliptical or oval cross-section in a plane substantially parallel to the plane of the second main surface 212-2, wherein deviations from this form and other shapes are also possible. The intermediate portion 214-2 is provided with a through hole 214-5 for securing the tendon 500 to its peripheral surface.

[0163] The head 214-3 of the tendon connector 214 connects to and extends from the intermediate portion 214-2 in a direction away from the second main surface 212-2 of the main body 212. In a plane substantially parallel to the second main surface 212-2 of the main body, the peripheral surface of the head 214-3 extends above the peripheral surface of the intermediate portion 214-2, that is, extends beyond the peripheral surface of the intermediate portion 214-2. In other words, the head 214-3 exhibits a larger diameter than the intermediate portion 214-2. Therefore, when connected, the tendon can be firmly held in place.

[0164] The end of tendon 500 can be securely fixed to tendon connection 214. For example, as Figure 2B As shown, the end of the tendon 500 can be wrapped around the middle portion 214-2 of the tendon connector 214 and securely fixed to the tendon connector 214. Therefore, the length of the tendon can be adjusted, for example, according to the needs of an individual user.

[0165] Specifically, the tendon connection 214 can be implemented as a tethering element, having an anchoring point for the tendon to pass through the center. The end of the tendon 500 can be folded up using a small steel alloy tube (e.g., 0.6mm ID × 1.0mm OD × 3mm length), which is inserted through a through-hole 214-5 in the center of the tethering element, and the folded object (crimp) cannot pass through this through-hole. Figure 2B As shown, the relaxed tendon 500 can then be wrapped around the tether two to three times to directly release the stress on the folded anchor. The tendon 500 can pass through these rings before being fed through the openings 216-8 in the upper plate of the motion extension 216-6, thereby preventing the rings from loosening.

[0166] The tendon connector 214 is not limited to the form described above, and may have different forms and / or sizes. Furthermore, other types of tendon connectors may be used.

[0167] The sliding element 210 may also include a guide rail engagement portion 215, which is configured to engage with at least one guide rail 220 of the sliding mechanism portion.

[0168] In the example shown in the figure, the guide rail engagement 215 includes a pair of sidewalls 215-2 that protrude from a first main surface 212-1 in a direction toward the surface of the back portion 110 on which a sliding mechanism portion with a sliding element 210 is mounted. The sidewalls 215-2 of the guide rail engagement 215 can extend from the first main surface 212-1 of the main body portion 212 at an angle equal to or different from 90 degrees, for example, less than 90 degrees. The sidewalls 215-2 are connected by a base plate 215-4. In the example shown in the figure, the base plate 215-4 has a substantially rectangular shape. The sidewalls 215-2 and the base plate 215-4 of the guide rail engagement 215 surround a guide rail receiving space 215-6, which is open at its two opposite ends to allow the guide rail 220 to pass through. The guide rail receiving space 215-6 is configured such that the guide rail 220 can be inserted into the guide rail receiving space 215-6, thereby engaging the sliding element 210 with the guide rail 220, allowing the sliding element 210 to slide along the guide rail 220. The first main surface 212-1 and the base plate 215-4 of the sliding element 210 restrict the out-of-plane movement of the sliding element 210. The side wall 215-2 restricts the movement of the sliding element 210 in the lateral direction.

[0169] The sliding element 210 may optionally include a motion extension 216 configured to allow the sliding element 210 to be pulled further back toward the wrist of the hand without being forced to move out of plane. Furthermore, by providing the motion extension 216, a sliding element 210 with sufficient size and therefore stability, as well as sufficient range of motion, can be achieved.

[0170] In the example shown in the figure, the motion extension 216 includes an opening 216-2, which is formed by a passage in the first main surface 212-1, the second main surface 212-2, and the peripheral surface 212-3 of the main body 212. Furthermore, the motion extension 216 includes a sidewall 216-4 surrounding the opening 216-2 and connected to the second main surface 212-2 of the main body 212, wherein the sidewall 216-4 extends in a direction away from the rear side of the main body 212. The sidewall 216-4 of the motion extension 216 can extend from the second main surface 212-2 of the main body at an angle equal to or different from 90 degrees, for example, an angle less than 90 degrees.

[0171] The sidewalls of the opening 216-2 formed in the main body and / or the sidewalls 216-4 surrounding the opening together form the peripheral wall of the motion extension 216. The peripheral wall may optionally be provided with at least one protrusion and / or groove or recess that engages with a corresponding groove or protrusion on the guide rail 220.

[0172] Furthermore, the motion extension 216 includes an upper plate 216-6 having a substantially rectangular shape. The upper plate 216-6 is connected to one of the corresponding sidewalls 216-4 on its two opposite sides. On its third side, the upper plate 216-6 is connected to the second main surface 212-2 of the main body 212. The upper plate 216-6 extends from the second main surface 212-2 at an angle other than 90 degrees (i.e., the upper plate 216-6 is inclined relative to the second main surface 212-2). The fourth side of the upper plate 216-6 (opposite to the third side) is substantially free (not connected to another part or element) and extends over the opening 216-2.

[0173] In the example shown in the figure, the height of the sidewall 216-4 of the motion extension 216 gradually decreases from the first end (the first end is flush with or close to the peripheral surface 212-3 of the main body 212) along the direction toward the connection between the upper plate 216-6 of the motion extension 216 and the second surface 212-2 of the main body 212.

[0174] The outer wall of the motion extension 216 and the upper plate 216-6 surround a receiving space that at least partially accommodates a stop element, thereby allowing the sliding element 210 to slide at least partially on the stop element. The stop element may, for example, be... Figure 4 and Figure 5 The mechanical stop element 160-1 shown may be any other stop element configured to restrict the movement of the sliding element 210 toward the wrist. Furthermore, the receiving space may be configured to allow at least one tendon 500 to pass through, such that the at least one tendon 500 does not obstruct the engagement of the sliding element 210 with at least one guide rail 220 and the movement of the sliding element 210 along the guide rail 220. To allow the at least one tendon to pass through, the upper plate 216-6 may be provided with a through-hole 216-8. Thus, for example, a more direct route to the Bowden tube can be achieved in the glove.

[0175] The edge of the motion extension 216 may be rounded, for example, to prevent damage and / or harm to other parts of the user-wearable hand orthosis.

[0176] In the example shown in the figure, the motion extension 216, the guide rail joint 215, and the tendon connection 214 are arranged in the middle section of the main body 212 along the transverse direction T. The motion extension 216 is arranged on the side of the sliding element 210 closer to the user's wrist when the user-wearable hand orthosis is in use. The tendon connection 214 and the guide rail connection 215 are arranged on the side of the sliding element 210 closer to the user's finger joints when the user-wearable hand orthosis is in use. In other words, the motion extension 216 is closer to the wrist of the support structure than the tendon connection 214 and / or the guide rail joint 215. Other arrangements of the motion extension 216, the guide rail joint 215, and / or the tendon connection 214 are also possible.

[0177] The sliding element 210 also includes at least one finger module connector 218-x (x = 1,…4). Each finger module connector 218-x is configured to engage with one or more corresponding connectors 340-x of at least one finger module 300 to secure at least one finger module 300 to the sliding element 210.

[0178] In the example shown in the figure, the sliding element includes a plurality of finger module connectors 218-x (specifically, four finger module connectors 218-1 to 218-4), each finger module connector 218-x (x = 1,…4) being configured to connect a different one of the plurality of finger modules 300 to the sliding element 210. However, a different number of finger module connectors may be possible, such as a single finger module connector.

[0179] In the example shown in the figure, each finger module connector 218-x includes multiple finger module connecting elements 219. However, a finger module connector with only one finger module connecting element 219 can be implemented. The finger module connecting elements 219 in each finger module connector 218-x can be arranged in a row in the longitudinal direction L. A corresponding finger module 300 can be connected by engaging one of the finger module connecting elements 219 of the corresponding finger module connector 218-x with the corresponding connecting element 342 of the sliding element connector 340 of the finger module 300. By changing the pairing between the finger module connecting element 219 of the sliding element and the corresponding element (sliding module connecting element 342) of the finger module, the length between the connection point or the connecting part and the tip of the finger module of the corresponding finger module 300 can be adjusted or changed, for example, to accommodate different hand anatomy and / or the different needs of individual users for hand extension. Therefore, hand orthotics can be customized in a simple and effective manner.

[0180] In the example shown in the figure, there are four finger module connectors 218-x, each of which has four finger module connecting elements 219. Two finger module connectors (finger module connectors 218-1 and 218-2) are arranged on one side of the guide rail joint 116 and the tendon joint 114, and two finger module connectors (finger module connectors 218-3 and 218-4) are arranged on the other side of the guide rail joint 116 and the tendon joint 114. However, this specification is not limited to this example, and different numbers of finger module connectors and / or different numbers of finger module connecting elements may be provided in each finger module connector. The arrangement of the finger module connectors and / or the finger module connecting elements may also be different.

[0181] The finger module connecting element 219 can be any suitable connecting element. For example, each finger module connecting element 219 can be configured as a pin with a rounded head, which can engage with one or more pin receiving recesses or openings 342 of at least one finger module 300. This exemplary configuration can allow for reliable force transmission and / or high resistance to connection quality and safety degradation over time.

[0182] However, at least one finger module connecting element 219 is not limited to the exemplary embodiment shown in the figures. For example, the finger module connecting element 219 may be configured as a pin receiving recess or opening, and it may engage with a corresponding pin provided in the connecting portion of the corresponding finger module 300. Alternatively or additionally, other types of connecting elements 219 and corresponding elements 342 of the finger module 300 may be employed, such as connecting elements with different forms, sizes, materials and / or types of connecting elements, such as clamping elements, Velcro elements, etc.

[0183] The sliding element is not limited to the sliding element described above, but can be further modified. Non-limiting examples of such modifications include one or more of the following:

[0184] In the example above, the sliding mechanism includes a sliding element 210 that is movable along a single guide rail 220. The sliding element 210 can also be configured to be movably mounted on multiple guide rails, for example, on two guide rails. This can improve the stability of the sliding mechanism. The sliding mechanism may also include multiple (i.e., two or more) sliding elements 210 that are movable along one or more corresponding guide rails or along one or more other guide elements (e.g., guide grooves or recesses). The guide rails (or any other guide elements, such as guide grooves, recesses, etc.) can also be omitted entirely.

[0185] In the above example, a user-wearable hand orthosis may include a single force-transmitting element (e.g., a tendon) connected to or connectable to the sliding element 210, thereby enabling a one-to-many connection (via the sliding element) between the actuator and at least one finger module 300 connected to the sliding element 210. However, multiple (i.e., two or more) force-transmitting elements (e.g., tendons) connected to or connectable to the sliding element 210 may also be employed.

[0186] Furthermore, the shape, geometry, material, and / or other characteristics of the sliding element 210 and its components (e.g., the main body 212, the force transmission element connection 214, the guide rail engagement 216, the finger module connection, etc.) are not limited to those described above.

[0187] For example, the thickness of the plate-shaped main body 212 of the sliding element 210 does not need to be substantially constant in the longitudinal and / or transverse directions (except for the locations where openings and / or protrusions are provided). The thickness of the plate-shaped main body can vary in the longitudinal and / or transverse directions. For example, the plate-shaped main body 212 can gradually decrease towards its edge in the longitudinal and / or transverse directions.

[0188] Furthermore, the main surfaces 212-1 and 212-2 of the plate-shaped body portion 212 do not need to be substantially planar surfaces, but can be curved to better conform to the shape of the back of the hand. Alternatively or additionally, the plate-shaped body portion 212 can be made of a flexible material to allow the curvature of the body portion 212 to change with the applied pressure to match the curvature of the hand, which can change on its own.

[0189] In the above example, the main body 212, tendon connection 214, guide rail engagement 216, and finger module connection 218 are integrally formed and may be made of the same material. At least one of the tendon connection 214, guide rail engagement 216, and finger module connection 218 may also be formed as a separate element / multiple separate elements, which are attached to at least one main surface of the main body 212, for example, by using adhesives or other fastening means. In this case, at least one of the tendon connection 214, guide rail engagement 216, and finger module connection 218 may be formed of a different material than the main body 212. Each of the above-mentioned parts may itself be formed of a different material.

[0190] The sliding element 210 is movably mounted on or connected to the support structure 100, and more specifically, can be mounted on or connected to the back support 110 of the support structure 100.

[0191] Figure 4 and Figure 5A schematic top view of an exemplary support structure 100 having a sliding mechanism mounted thereon is shown, i.e., a schematic diagram of the side of the support structure 100 opposite to the side facing the back of the hand, i.e., the side opposite to the back side, in the use state of a user-wearable hand orthosis. The back side of the support structure may be made substantially smooth and / or may optionally be covered with at least one additional layer, such as a padding layer, an outer layer, a low-friction layer, etc., as described herein.

[0192] The sliding mechanism includes a movable sliding element 210, such as a coupling. Figure 1 As described in Figure 3. Figure 4 A schematic top view of the support structure 100 with a sliding mechanism is shown, wherein the sliding element 210 is located at the first end position, and Figure 5 A schematic view of a support structure with a sliding mechanism is shown, wherein the sliding element 210 is located at the second end position. The sliding element 210 is movably mounted on the guide rail 220.

[0193] Figure 4 and Figure 5 The support structure 100 is shown before it is installed on the user's hand. When not in use, the support structure 100 is substantially planar. The support structure 100 can be positioned on the hand and optionally on the user's wrist. For example, the support structure can be wrapped around the user's hand and optionally the wrist. This allows for easy and secure storage of the support structure when not in use, and also simplifies the design and / or manufacture of the support structure (e.g., additional hardware can be more easily mounted on the planar support structure).

[0194] The support structure 100 includes a back support 110, a palm support 120, and a wrist support 125. The back support 110 is configured to be mounted on the back of the user's hand. The palm support 120 is configured to be mounted on the user's palm. The wrist support 125 is configured to be mounted on the user's wrist (e.g., at least partially wrapped around the wrist). The back support 110, palm support 120, and wrist support 125 may, for example, be made of the same material and may be formed as a single integral structure. The back support 110 and / or the palm support 120 and / or the wrist support 125 may be formed as separate modules that are connectable to each other (e.g., releasably connectable). The connection of the back support 110 and / or the palm support 120 and / or the wrist support 125 can be achieved by any known means, such as via Velcro straps, studs and corresponding stud receiving recesses, clamps, etc.

[0195] The back support 110 and / or the palm support 120 and / or the wrist support 125 may have multiple segments with different characteristics, such as segments with different stiffness, flexibility, etc. For example, the back support 110 and / or the palm support 120 may have at least one cut or opening and / or at least one segment with increased flexibility, which are arranged and configured to improve the installability and / or wearability of the support structure while ensuring sufficient stability.

[0196] One or more of the back support 110, palm support 120, and wrist 125 may include at least one tendon guiding element 130 (exemplary force transmission element guiding element). Each tendon guiding element 130 may be configured to guide at least one tendon along the surface of the back support 110 and / or palm support 120 and / or wrist 125, particularly along the surface on the side of the support structure opposite to the back side. Each tendon guiding element 130 may have a central cavity or opening for guiding a tendon therein, or may have multiple central cavities or openings for guiding multiple tendons therein. One or more tendon guiding elements 130 may define a corresponding tendon pathway for a respective tendon. Furthermore, the surface on which at least one tendon guiding element 130 is disposed may also include at least one tendon groove 132. Each tendon groove 132 may extend at least partially along the tendon pathway and may also be configured to receive a corresponding tendon at least partially along its corresponding tendon pathway.

[0197] exist Figure 4 and Figure 5 In the example shown, each of the wrist portion 125 and the palm support portion 120 includes a plurality of tendon guiding elements. The plurality of tendon guiding elements 130 are arranged in groups, with each group forming a route path for a tendon. For example, the wrist portion 125 includes a first group of tendon guiding elements 130-1, which is configured to form a route path for at least one tendon that can be connected to the sliding element 210 and more specifically to the tendon connection portion 214.

[0198] The wrist portion 125 may also include a second set of tendon elements 130-2 configured to form a route path for at least one additional tendon that can be connected to the thumb module. The palm support portion may include four sets of tendon elements 130-3 to 130-6, each set configured to form a route path for at least one additional tendon that can be connected to each finger module. The palm support portion may also include an additional set of tendon elements 130-7 configured to form a route path for at least one additional tendon that can be connected to the thumb module. Additional tendons are examples of additional force-transmitting elements described elsewhere.

[0199] Note that this disclosure is not limited to the tendon pathways described above. Instead, the number of tendon pathways can be determined based on the required and / or desired number of tendons. Therefore, more or fewer tendon pathways can be implemented. Furthermore, the back support 110 may also be provided with one or more tendon guiding elements, which may be arranged in one or more groups as described above.

[0200] At least one tendon guide element 130 may be made of the same material as the core layer of the support structure 100 (described in further detail elsewhere). At least one tendon guide element 130 may be made of other materials, such as Teflon. ® PTFE. At least one tendon guiding element 130 may be 3D printable onto and / or integrated with the core layer of the support structure 100.

[0201] The sliding mechanism includes a sliding element 210, for example, combined with Figure 1 The sliding element is described in Figure 3. The sliding element is movably mounted on a guide rail 220. The guide rail 220 is arranged on and can be connected to the back support 110. Specifically, the guide rail 220 is arranged on or can be connected (fixedly or releasably) to a surface (second surface) on the side of the back support 110 opposite to the back side. The guide rail 220 defines a movement track for the sliding element 210. Figure 4 and Figure 5 In the example shown, only one guide rail 220 is provided. However, multiple guide rails 220 can be provided. This can improve the stability of the sliding movement of the sliding element 210. Alternatively, or in addition to the guide rail 220, other guiding elements, such as guide grooves or recesses, can be provided. Alternatively, guiding elements can be omitted.

[0202] The guide rail 220 can be elongated, substantially linear, and substantially rectangular in form (with or without rounded edges), making it possible to bend only about the lateral direction T (lateral axis) under load.

[0203] The dimensions (width, thickness, length) of the guide rail 220 can be appropriately selected based on the material and / or hand size. Exemplary and non-limiting dimensions of the guide rail 220 are: a width of approximately 3mm to 15mm, more specifically approximately 4mm to 12mm, further specifically approximately 5mm to 7mm; a length of approximately 30mm to 80mm, more specifically approximately 40mm to 70mm, further specifically approximately 45mm to 60mm; and a thickness (height) of approximately 0.1mm to 1mm, more specifically approximately 0.2mm to 0.8mm, further specifically approximately 0.3mm to 0.5mm. Exemplary guide rail sizes are 6mm × 50mm × 0.4mm or 6mm × 50mm × 0.3mm. However, deviations are possible depending on the intended use, such as a wearable hand corrector (e.g., for children or adults).

[0204] The guide rail 220 may include at least one portion made of a low-friction material. This at least one portion made of the low-friction material may be a portion that engages with (i.e., contacts) the sliding element 210. This portion may be coated with a layer of low-friction material, or it may be made of the low-friction material itself. Alternatively, the entire guide rail 220 may be formed of low-friction material. A non-limiting example of a low-friction material is Teflon. ® PTFE, iGlidur ® Materials include: Nylon 6 / 6, and some types of hardened stainless steel.

[0205] The user-wearable hand orthosis may also include at least one support element 140-x (x = 1, 2, 3, ...) configured to withstand compressive loads. The at least one support element may exhibit higher stiffness than other components or segments of the support structure 100. For example, the at least one support element 140-x may be a low-carbon steel insert, a carbon fiber, glass fiber, ABS / PETG, nylon, or other material with similar stiffness properties. The at least one support element 140-x may be in a substantially strip-like form, with a thickness of about 0.1 mm to 0.8 mm, more specifically about 0.2 mm to 0.6 mm, further specifically about 0.2 mm to 0.4 mm; a width of about 3 mm to 10 mm, more specifically about 4 mm to 8 mm, further specifically about 5 mm to 7 mm; and a length of about 30 mm to 80 mm, more specifically about 50 mm to 95 mm, further specifically about 60 mm to 80 mm.

[0206] exist Figure 4 and Figure 5In the example shown, two support elements 140-1 and 140-2 are arranged on both sides of the guide rail 220. The number, form, material and / or arrangement of at least one support element 140-1 and 140-2 are not limited to this example and can vary.

[0207] Support elements 140-1 and 140-2 may be arranged on and connected to a surface on the side of the back support 110 opposite to the back side. The connection may be, for example, fixed or releasable. At least one support element may also be embedded in the back support 110, for example, in the core layer of the back support 110. At least one support element 140 may also be part of a reinforcing layer of the back support 110. In an example, at least one support element 140 may be disposed between the core layer of the back support 110 and a low-friction layer and / or another additional layer (e.g., an inner or outer layer described elsewhere).

[0208] Despite Figure 4 and Figure 5 Not shown, but the wrist portion 125 and the optional palm support portion 120 may also include at least one support element, such as the support element described above, which is arranged on and connected to a surface on the side opposite to the back side of a respective one of the wrist portion 125 and the optional palm support portion 120. The connection may be, for example, a fixed or releasable connection.

[0209] To achieve a connection (e.g., a releasable connection), the support structure, and in particular at least one of the back support 110, wrist support 125, and palm support 120, may be provided with at least one support element connecting / fastening portion 150-1 to 150-6 for connecting / fastening at least one support element 140-1, 140-2 to a corresponding one of the back support 110, wrist support 125, and palm support 120. Each support element connecting / fastening portion 150-1 to 150-6 may be configured to receive and hold the end of the corresponding support element 140-1, 140-2 in place. For example, each support element connecting / fastening portion 150-1 to 150-6 may have a housing into which the corresponding end of the corresponding support element 140-1, 140-2 can be inserted. Connecting / fastening portions 150-1 to 150-6 may be provided for receiving and holding both ends of the corresponding support element 140-1, 140-2 in place.

[0210] exist Figure 4 and Figure 5In the example shown, the back support 110 includes a first support element connection / fastening pair 150-2 and 150-3, configured to receive and hold in place the two ends of the first support element 140-1, and a second support element connection / fastening pair 150-1 and 150-4, configured to receive and hold in place the two ends of the second support element 140-2. Furthermore, the wrist portion 125 includes a third connection / fastening pair 150-5 and 150-6, configured to receive the two ends of an additional support element (the additional support element is located in...). Figure 4 and Figure 5 (not shown in the image) and keep it in the proper position.

[0211] The number and / or arrangement of the support element connection / fastening parts 150-1 to 150-6 are not limited to Figure 4 and Figure 5 The example shown can be varied. For example, fewer or more support element connections / fasteners 150-1 to 150-6 may be provided, and / or the support element connections / fasteners 150-1 to 150-6 may be arranged in different ways.

[0212] Furthermore, the back portion 110 may optionally include restraint elements 152-1 and 152-2, which are configured to restrain the movement of a corresponding one of the support elements 140-1 and 140-2. Specifically, support elements 140-1 and 140-2 may be elements capable of bending about the transverse axis T, and the provision of at least one restraint element 152-1 and 152-2 ensures that the corresponding support elements 140-1 and 140-2 remain in place. Additionally, each support element may be provided with more than one restraint element.

[0213] The wearable hand orthosis may also include an anti-overextension mechanism configured to limit or constrain the degree of movement of the sliding element 210 in the direction toward the user's wrist, thereby preventing overextension of the hand. The anti-overextension mechanism may consist of or include at least one anti-overextension element, which may be implemented, for example, as a mechanical stop element. For example, a first mechanical stop element 160-1 may be disposed on or near a (optionally virtual) connecting line between the back support 110 and the wrist 125. Specifically, the first mechanical stop element 160-1 may be disposed on and connected to a surface of the back support 110 opposite to the back surface. The first mechanical stop element 160-1 may be disposed and configured such that when the sliding element 210 is in a first end position (e.g., ... Figure 4As shown, the first mechanical stop element 160-1 is positioned close to the first end of the sliding element 210, thereby limiting the movement of the sliding element 210 beyond the first end position in the direction of the user's wrist. For example, the first mechanical stop element 160-1 may be configured and arranged to abut against and / or at least partially surround the first end of the guide rail 220, thereby limiting the movement of the sliding element 210 beyond the first end position in the direction toward the user's wrist.

[0214] Similarly, the movement of the sliding element 210 in the direction toward the fingers / knuckles can be limited by at least one second stop element. For example, this can be achieved by employing at least one second mechanical stop element 160-2, configured to limit or constrain the degree of movement of the sliding element 210 in the direction toward the fingers of the user's hand. The at least one second mechanical stop element 160-2 can be disposed on or near the knuckles of the user's hand and can be disposed on or connected to the surface of the back support 110 opposite to the back surface. The at least one second mechanical stop element 160-2 can be configured such that when the sliding element is in a second end position (e.g., as...), Figure 5 (As shown) when it is close to the second end of the sliding element 210, thereby limiting the movement of the sliding element 210 beyond the second end position in the direction toward the fingers of the user's hand.

[0215] For example, the second mechanical stop element 160-2 may be configured and arranged to abut and / or at least partially surround the second end of the guide rail 220, thereby limiting the movement of the sliding element 210 beyond the second end position in the direction toward the fingers of the user's hand.

[0216] The number and / or arrangement of the first and / or second stopping elements 160-1, 160-2 are not limited to Figure 4 and Figure 5 The example shown can be varied; for example, other mechanical stop elements can be used and / or the mechanical stop elements can be arranged in a different manner.

[0217] In addition to being configured to restrict the movement of the sliding element 210, the first mechanical stop element 160-1 and / or the second mechanical stop element 160-2 can be configured to receive the guide rail 220 and hold it in place. In other words, the first mechanical stop element 160-1 and / or the second mechanical stop element 160-2 can also serve as guide rail fasteners or connectors for connecting the guide rail 220 to the back support 110. The connection can be fixed or releasable. For example, the first mechanical stop element 160-1 and the second mechanical stop element 160-2 can be configured to each receive a corresponding end of the guide rail 220 and hold it in place.

[0218] Therefore, a simple yet effective mechanism can be implemented to limit the movement of the sliding mechanism in the direction toward the user's fingers.

[0219] At least one of the first mechanical stop element 160-1, the second mechanical stop element 160-2, and the support element connecting / fastening portions 150-1 to 150-6 may be formed of the same material as the back support portion 110 and / or the wrist portion, and may be a component of the back support portion 110 and / or the wrist portion. At least one of the first mechanical stop element 160-1, the second mechanical stop element 160-2, and the support element connecting / fastening portions 150-1 to 150-6 may also be formed of a material different from that of the back support portion 110 and / or the wrist portion 125.

[0220] The support structure may also include at least one hardware mounting element 170 configured to engage with one or more external hardware components. Non-limiting examples of external hardware components include one or more sensors and / or electronic devices. The electronic devices may, for example, include a PCB, such as a flexible PCB. Figure 4 and Figure 5 In the example shown, there are multiple hardware mounting elements 170 formed as circular holes on the back side of the support structure. The hardware mounting elements 170 can also provide additional stability to the support structure and thus can also function as support elements.

[0221] The support structure may also include a cover that is connected to or can be connected to the back support 110 (and optionally connected to or can be connected to the wrist support 125 and / or the palm support 120). Figure 4 and Figure 5 (Not shown in the image), wherein the cover is movable between an open position and a closed position. The following is in conjunction with... Figures 8 to 1 0. Describes an exemplary cover section.

[0222] The wearable hand corrector may also include at least one finger module, such as the at least one finger module described above. Figure 6 and Figure 7 A view of an exemplary support structure 100 is shown, the support structure 100 having a sliding mechanism mounted thereon and a plurality of finger modules 300 connected to the exemplary support structure 100. The exemplary support structure 100 may be as shown in Figure 3 and... Figure 4 The described support structure 100. Specifically, Figure 6 and Figure 7 The diagram shows the side opposite to the back of the user's hand and fingers when the user is wearing a hand corrector, i.e., when the support structure with the sliding mechanism and finger module is installed is in use.

[0223] Each finger module 300 is configured to be worn on one of the index, middle, ring, and little fingers of the user's hand. While the accompanying drawings show an example with four finger modules, fewer finger modules are possible, such as only an index, middle, and / or ring finger module. At least one finger module can also be configured to be worn on more than one finger, such as on two, three, or all of the index, middle, ring, and little fingers. Furthermore, while the accompanying drawings show an example where each finger module 300 is configured to be worn on one of the fingers, at least one finger module can be configured to be worn on more than one finger, such as on two, three, or four fingers.

[0224] Each finger module 300 includes a distal end (finger tip) configured to at least partially surround the distal segment of the user's corresponding finger, such as the distal phalanx segment. Specifically, the distal end 310 of each finger module 300 may be configured such that there is at least one point of contact between the distal end 310 of the finger module 300 and the tip of the corresponding finger, particularly the anterior portion of the tip. The distal end 310 may be configured, for example, in the form of a cap, or may include a cap 312 that can be worn on the tip of the corresponding finger and at least partially surrounds the distal segment of at least one corresponding finger, and particularly the tip. Configuring the finger module 300 to be worn on at least the distal segment, and particularly on the fingertip, allows for more efficient force transmission and response to spastic resistance.

[0225] Each of the finger modules 300 further includes a middle portion 320 and a proximal portion 330, the middle portion 320 being configured to be worn on the middle phalanx of the corresponding finger, and the proximal portion 330 being configured to be worn on the proximal phalanx of the corresponding finger, wherein the proximal portion 330 may be configured to extend at the knuckle of the corresponding finger (i.e., at the knuckle portion). Furthermore, the finger module includes a sliding element connection portion 340.

[0226] A middle portion 320 is disposed between the distal end portion 310 and the proximal end portion 330. In other words, one side of the middle portion 320 is adjacent to and optionally flush with one side of the distal end portion 310, and the other side of the middle portion 320 is adjacent to and optionally flush with one side of the proximal end portion 330. The proximal end portion 330 is disposed between the middle portion 320 and the sliding element connection portion 340. In other words, one side of the proximal end portion 330 is adjacent to and optionally flush with one side of the middle portion 320, and the other side of the proximal end portion 330 is adjacent to and optionally flush with one side of the sliding element connection portion 340. The distal end portion 310, the middle portion 320, the proximal end portion 330, and the sliding element connection portion 340 may be made of the same material and form an integral structure (i.e., the complete finger module 300). However, at least one of the distal end portion 310, the middle portion 320, the proximal end portion 330, and the sliding element connection portion 340 may be formed of a material different from that of at least one other portion or may include a material different from that of at least one other portion. The distal end 310 and the sliding element connecting portion 340 form two opposing ends of the finger module 300 in the longitudinal direction of the finger module 300.

[0227] In the example shown in the accompanying drawings, at least one, preferably all, of the distal portion 310, the intermediate portion 320, and the proximal portion 330 may each include a dorsal portion 350, which is configured to extend substantially over the corresponding segment of the corresponding finger and is configured to at least partially cover the dorsal side of the corresponding finger. Furthermore, at least one of the distal portion 310, the intermediate portion 320, and the proximal portion 330 may also include at least one pair of side portions 360, which extend from the dorsal portion and are configured to contact the side segment of the finger and / or optionally the palmar side of the corresponding finger. This can improve the support of the finger module and the force transmission with the corresponding finger. Preferably, the side portions are not connected to the palmar side of the finger. For example, the finger module 300 may have an opening extending along the length of the finger (e.g., to the finger cap), through which the finger can be inserted when the finger module is installed onto the corresponding finger. This makes it easier to install the finger module onto the user's corresponding finger.

[0228] The dorsal portion 350 of one or more of the distal end 310, intermediate portion 320, and proximal end 330 may be substantially strip-shaped and may have a thickness of about 0.1 mm to 1.5 mm, more specifically about 0.2 mm to 1.2 mm, and more specifically about 0.3 mm to 1 mm. The width and / or length of the dorsal portion 350 of each of the distal end 310, intermediate portion 320, and proximal end 330 may correspond to an average value (not individually adjusted) or may be adjusted to fit the anatomy of an individual user's hand. The width of the dorsal portion 350 of the distal end 310, intermediate portion 320, and proximal end 330 (i.e., the width of the substantially flat dorsal segment of the corresponding finger module) may match the average or individual width of the user's fingers and may be, for example, about 2 mm to 15 mm, more specifically 3 mm to 10 mm, and further specifically about 5 mm to 8 mm. The length of the dorsal portion 350 of the distal end 310, the middle portion 320 and the proximal end 330 (i.e., the length of the substantially flat dorsal segment of the corresponding finger module) can be matched to the average or individual length of the user's finger, and can be, for example, about 20 mm to 110 mm, more specifically about 25 mm to 100 mm, and even more specifically about 30 mm to 90 mm, depending on the intended use (e.g., for adults, children, specific fingers, etc.).

[0229] One or more of the distal end portion 310, the intermediate portion 320, and the proximal end portion 330 may have one or more slits or openings on their back surface 350. For example, the back surface portion 350 of the proximal end portion 330 may have at least one opening 370 (formed as a through hole in the back surface portion) in the intermediate segment of the back surface portion 350, wherein at least one opening 370 extends in the longitudinal direction of the respective finger module 300. The opening 370 may be configured and arranged such that when the finger module is in use, the opening 370 is substantially located above the knuckle of the respective finger (i.e., above the knuckle portion). This can reduce the compressive force applied to the knuckle and can improve the wearability of the user-wearable hand orthosis.

[0230] The back portion 350 and / or the side portion 360 may be made of elastic polymers, thermoplastic polyurethane (TPU), thermoplastic polymers (TPE), etc.

[0231] The sliding element connection portion 340 is arranged adjacent to the proximal end portion 330 and can form the end of the corresponding finger module 300. The sliding element connection portion 340 may include one or more connecting elements 342 that can engage with one or more connecting elements of the corresponding finger module connection portion 218-x of the sliding element 210 to achieve a releasable rigid connection. For example, the sliding element connection portion 340 may include a plurality of connecting elements 342 arranged substantially in a line along the length direction of the sliding element connection portion 340, and thus along the length direction of the corresponding finger module 300. By changing the pairing between the connecting elements 342 of the sliding element connection portion 340 of the finger module 300 and the connecting elements 219 of the corresponding finger module connection portion 218-x of the sliding element 210, length adjustment can be achieved, for example, based on the size of the user's hand.

[0232] In the example shown in the figure, the sliding element connection portion 340 includes a main body portion 344 having a substantially strip-like or plate-like form. The thickness of the main body portion 344 can be, for example, about 1 mm to 7 mm, more specifically about 2 mm to 6 mm, and even more specifically about 3 mm to 5 mm. The width of the main body portion 344 can be, for example, about 2 mm to 10 mm, more specifically about 3 mm to 8 mm, and even more specifically about 4 mm to 7 mm, and the length is about 5 mm to 35 mm, more specifically about 6 mm to 30 mm, and even more specifically about 8 mm to 25 mm. One end of the main body portion 342 is connected to and optionally flush with one end of the proximal end portion 330. Each connecting element 342 is in the form of a through-hole provided in the main body portion 344, which can engage with one or more connecting elements (e.g., nails) 219 provided on the corresponding finger module connection portion 218 on the sliding element 210.

[0233] However, this specification is not limited to this example, and other types and / or numbers and / or arrangements of the connecting element 342 on the finger module side and the connecting element 219 on the corresponding sliding element side may also be used.

[0234] The wearable hand corrector may also include a thumb module, not shown in the figure. The thumb module may be the thumb module described above.

[0235] Figure 8 Figure 10 illustrates an assembly of an exemplary support structure for a user-wearable hand orthosis, wherein a sliding mechanism can be mounted on the support structure. The exemplary support structure and the sliding mechanism can be combined. Figures 1 to 7 The described support structure and sliding mechanism. Figure 8A schematic top view of the components of an exemplary support structure before the installation of the sliding mechanism portion 200, including the sliding element 210 and the guide rail 220, is shown. Figure 9 It shows according to Figure 8 A schematic top view of an exemplary support structure component, wherein a sliding mechanism 200 is mounted on the support structure, and more specifically, on the back support 110 of the support structure. Furthermore, Figure 9 The assembly steps of the components are shown from left to right.

[0236] like Figure 8 and Figure 9 As shown, the support structure includes a back support and a wrist support that are integrated into the terrain as a single component. Furthermore, the support structure includes a cover 440. The support structure may include components such as... Figures 1 to 7 The other components mentioned. For better visibility, in Figure 8 and Figure 9 No other components are shown.

[0237] The back support 110 and the wrist support 125 can be combined. Figures 1 to 7 The described back support and wrist support are referenced. Figures 1 to 7 .exist Figure 8 and Figure 9 In the example shown, the component formed by the back support and the wrist support has a multi-layer structure, which includes a core layer 112 (which can also be used as a reinforcing layer) and a low-friction layer 114, which can be arranged on the side of the core layer 112 opposite to the side facing the user's hand.

[0238] The core layer 112 can be the core layer as described above and can be configured to provide stability for the supporting structure. The core layer 112 can be formed of at least one metal (e.g., low-carbon steel), at least one elastomer, at least one polymer (e.g., silicone, thermoplastic urethane (TPU), thermoplastic elastomer (TPE), and / or PA-6 (polyamide 6)), and / or at least one non-woven material. As described above, the core layer 112 itself can consist of multiple layers. Alternatively or additionally, the core layer can include multiple segments with different properties, as described above.

[0239] Furthermore, the core layer 112 can be configured to form a bond. Figures 1 to 7At least one of the described parts and / or elements. Non-limiting examples include one or more of the following: tendon guide groove, guide rail connection / fastening part, support element connection / fastening part, anti-overstretching element, stop element, hardware mounting element, locking segment, etc. Furthermore, three support elements 140-1 to 140-3 of the reinforcing material are disposed on the surface of the core layer 112 opposite to the surface facing the back of the hand. For a description of each part and / or element, refer to... Figures 1 to 7 And related descriptions.

[0240] The low-friction layer 114 can be made of Teflon ® A layer made of PTFE, nylon woven fabric, silk blend, Lycra / spandex blend, or any other suitable material. The low-friction layer may include multiple cutouts for insertion of at least one guide rail 220, for example, a low-friction layer 114 located between the core layer 112 and the guide rail 220 (e.g., as shown in the image). Figure 9 As shown (see component "114 + 200"). Therefore, movement of the sliding element 210 mounted on the guide rail 220 can be facilitated. The low-friction layer may include additional cutouts, for example, for inserting tendons or other force-transmitting elements.

[0241] The cover 400 may be the cover described above. Specifically, in the closed position of the cover 400, the first surface of the cover 400 disposed on the back side (i.e., the surface facing the second surface of the back support 110 and / or the wrist portion) may cover the sliding mechanism portion 200 having the sliding element 210 and guide rail 220, and may optionally cover the connection portion of the finger module 300 connected to the sliding element 210. Therefore, the cover 400 can constrain the sliding element 210 and / or the finger module 300 as described above. The cover 400 may be configured as a soft, foldable cover. The cover 400 may have a locking segment 410 configured to engage with a corresponding locking segment on one or more of the back support 110, palm support 120, and wrist portion 125 to secure the cover 400 in place when the back support 400 is in the closed position. The cover 400 may also include a connecting segment 420 for connecting the cover 400 to one or more of the back support 110, the palm support 120 and the wrist 125, wherein the connection is configured such that the cover 400 is rotatably movable between an open position and a closed position.

[0242] Figure 10A and Figure 10B An exemplary user-wearable hand orthosis 1 in use is shown when it is mounted on the user's hand, wherein... Figure 10AAn exemplary user-wearable hand corrector 1 is shown with the cover 400 in the closed position, and Figure 10B An exemplary user-wearable hand corrector 1 is shown with the cover 400 in the open position. The user-wearable hand corrector 1 can be combined as follows: Figures 1 to 9 The user-wearable hand orthosis 1. In particular, the user-wearable hand orthosis may be a tendon-driven glove orthosis configured to be worn on the user's hand.

[0243] Figure 11 An exemplary flowchart of a method 1000 for manufacturing a wearable hand orthosis is shown. For example, combined with... Figures 1 to 1 As described in 0, a user-wearable hand corrector may include a support structure 100, a sliding mechanism, and at least one finger module 300, the support structure 100 being configured to be worn on the user's hand.

[0244] In the first step 1100, a support structure is provided. The support structure may be, for example, a combination... Figures 1 to 1 The support structure 100 described in 0. In particular, the support structure 100 may include a back support 110, which is configured to be worn on at least a portion of the back of a user's hand, wherein the back support 110 has a first surface on the back side of the back support 210 and a second surface on the side of the back support 210 opposite to the back side.

[0245] In the second step 1200, a sliding mechanism is provided. The sliding mechanism can be combined with... Figures 1 to 1 The sliding mechanism described in section 0. Specifically, the sliding mechanism may include a sliding element 210 configured to move between a first end position and a second end position along a track on a second surface of the back support 210. In the user-wearable hand orthosis usage state, the first end position is arranged close to the wrist of the user's hand, and the second end position is arranged at a distance from the first end position in the direction toward the knuckles of the user's hand (and therefore toward the fingers of the user's hand).

[0246] In the third step 1300, at least one finger module is provided, configured to be worn on at least one finger of the user's hand. The at least one finger module can be as follows: Figures 1 to 7 The at least one finger module 300. In particular, the at least one finger module may include a distal portion 310 and a proximal portion 340, the distal portion 310 being configured to be worn on at least one distal segment of at least one finger, and the proximal portion 340 being connected to or potentially connected to a sliding element 210.

[0247] Steps 1100, 1200, and 1300 can be executed in a different order.

[0248] Providing a support structure and / or a sliding mechanism and / or at least one finger module may include selecting and / or retrieving a pre-manufactured support structure and / or sliding mechanism and / or at least one finger module from storage. Alternatively or additionally, providing the support structure and / or sliding mechanism and / or at least one finger module may include manufacturing the support structure and / or sliding mechanism and / or at least one finger module, for example, using known methods such as additive manufacturing, 3D printing, molding (e.g., injection molding), knitting, etc.

[0249] Providing a support structure may include providing a multi-layered structure, such as the multi-layered structure described above in conjunction with a user-wearable hand orthosis. Specifically, providing a support structure may include:

[0250] Provide a core layer; and / or

[0251] Provide at least one additional layer, wherein the at least one additional layer may be at least one low-friction layer disposed on the back side of the core layer and / or on the side opposite to the back side of the core layer.

[0252] The method may include additional steps, such as one or more of the following steps:

[0253] —Connect the sliding mechanism to the back support 210, wherein the connection between the sliding mechanism and the back support 210 may optionally include movably mounting the sliding element 210 to the guide rail 220, the guide rail 220 being arranged on the surface of the back support 110 opposite to the back surface of the back support 110.

[0254] —Connect at least one proximal end of at least one finger module 300 to the sliding element 210;

[0255] —Adjust the length from the connecting part (anchor point or anchoring part) of the at least one finger module 300 to the distal end of the at least one finger module 300;

[0256] —Connect at least one support element 140-x and / or at least one guide rail 220 to the back support 110;

[0257] —The sliding element 210 is connected to at least one force transmission element (e.g., a tendon), which is configured to apply a (tension) force to the sliding element 210;

[0258] —Move the cover 400 to the closed position;

[0259] —Basically, the support structure 110 is wrapped around the hand so that the first locking segment of the support structure 110 engages with the second locking segment of the support structure 110 to install the support structure in the user's hand.

[0260] The above steps can be performed in different orders.

[0261] As will be readily understood from this disclosure, although the invention has been described with reference to exemplary embodiments shown in the accompanying drawings, the invention is not limited thereto. Rather, any combination of the features described in the text and / or shown in the drawings may be used.

[0262] List of reference numerals

[0263] 1. A wearable hand corrector

[0264] 100 Supporting Structure

[0265] 110 Back Support

[0266] 112 Core Layer

[0267] 114 Low-friction layer

[0268] 116 Incisions

[0269] 120 Palm Support Section

[0270] 125 Wrist

[0271] 130 Tendon guiding element (exemplary force transmission element guiding element)

[0272] 130-1 to 130-7 Tendon Guiding Element Assembly

[0273] 132 Tendon groove

[0274] 140-1 to 140-3 Supporting elements (reinforcing elements)

[0275] 150-1 to 150-6 Support element connection / fastening part

[0276] 152-1, 152-2 Restriction elements used for support components

[0277] 160-1 First mechanical stop element

[0278] 160-2 Second mechanical stop element

[0279] 170 Hardware mounting components

[0280] 200 Sliding Mechanism

[0281] 210 Sliding element

[0282] 212 Main body of the sliding element

[0283] 212-1, 212-2 Main surfaces of the main body of the sliding element;

[0284] 212-3 The outer surface of the main body of the sliding element

[0285] 214 Tendon connection (exemplary force transmission element connection)

[0286] 214-2 Middle part of the tendon junction

[0287] 214-3 Head of the tendon junction

[0288] 214-5 Through Hole

[0289] 215 Guide rail joint

[0290] 215-2 Side wall of guide rail joint

[0291] 215-4 Base plate of guide rail joint

[0292] 215-6 Guide rail accommodating space

[0293] 216 Sports Extension Section

[0294] 216-2 Opening of the motion extension

[0295] 216-4 Side wall of the motion extension

[0296] 216-6 Upper plate of the motion extension section

[0297] 216-8 Openings for tendon passage

[0298] 218-1 to 218-4 Finger module connecting parts

[0299] 219 Connecting elements

[0300] 220 guide rail

[0301] 300-finger module

[0302] 310 Distal end of finger module

[0303] 312 Finger Caps for Finger Modules

[0304] The middle part of the 320 finger module

[0305] 330 finger module proximal end

[0306] 340 Finger Module Sliding Element Connector

[0307] 342 Connecting elements

[0308] 344 Main Body

[0309] 350 Back

[0310] 360 side view

[0311] 370 opening

[0312] 400 Coverage Department

[0313] 410 Locking section of the covering part

[0314] 420 Connecting section of the cover

[0315] 500 Tendon (Exemplary Force Transmission Element)

[0316] 1000 methods

[0317] 1100, 1200, 1300 Methods and Steps

[0318] L (Longitudinal direction, length axis)

[0319] T represents the horizontal direction (horizontal axis).

Claims

1. A wearable hand orthosis (1), comprising: A support structure (100) includes a back support (110) configured to be worn on at least a portion of the back of the user's hand. The back support (110) has a first surface on the back side of the back support (110) and a second surface on the side of the back support (110) opposite to the back side. The sliding mechanism (200) includes a sliding element (210) configured to be movable between a first end position and a second end position along a track on the second surface side of the back support (110), wherein in the use state of the hand corrector (1), the first end position is arranged close to the wrist of the user's hand, and the second end position is arranged at a distance from the first end position in the direction toward the knuckles of the user's hand; as well as At least one finger module (300) is configured to be worn on at least one finger of the user's hand, wherein each of the at least one finger module (300) includes a distal end (310) and a sliding element connection portion (340), the distal end (310) being configured to be worn on at least one distal segment of the at least one finger, and the sliding element connection portion (340) being configured to be connectable to the sliding element (210).

2. The user-wearable hand corrector (1) according to claim 1, further comprising at least one force transmission element (500) connected to or connectable to the sliding element (210) and configured to apply a force to the sliding element (210) such that the sliding element (210) is movable between the first end position and the second end position.

3. The user-wearable hand corrector (1) according to claim 1 or 2, wherein the sliding mechanism (200) further includes at least one guide rail (220) and / or guide recess disposed on the second surface of the back support (110), wherein the sliding element (210) is movably mounted or can be mounted on the at least one guide rail (220) and / or guide recess.

4. The user-wearable hand corrector (1) according to claim 3, in, The guide rail (220) and / or guide recess include at least a portion made of a low-friction material.

5. A user-wearable hand corrector (1) according to any one of the preceding claims, wherein the sliding element (210) includes a body portion (212) having a substantially plate-like shape.

6. A user-wearable hand corrector (1) according to any one of the preceding claims, wherein the support portion (110) comprises, Core layer (112); and / or At least one low-friction layer (114) is disposed on the side of the support (110) facing the user's hand and / or on the side of the support (110) opposite to the side facing the user's hand.

7. A user-wearable hand corrector (1) according to any of the preceding claims, wherein the support structure (100) further includes a cover (400) connected to or connectable to the back support (110), wherein the cover (400) is movable between an open position and a closed position, wherein in the closed position, a first surface of the cover (400) disposed on the back side covers the sliding element (210).

8. The user-wearable hand corrector (1) according to claim 7, wherein the cover (400) includes a low-friction layer disposed on the back side.

9. The user-wearable hand corrector (1) according to any one of the preceding claims, further comprising: At least one support element (140-1, 140-2, 140-3), and / or At least one anti-overstretching mechanism (150-1, 150-2, 150-3).

10. A method of manufacturing a user-wearable hand orthosis (1) configured to be worn on a user's hand, the method comprising: A support structure (100) is provided, the support structure (100) including a back support (110) configured to be worn on at least a portion of the back of the user's hand, wherein the back support (110) has a first surface on the back side of the back support (110) and a second surface on the side of the back support (110) opposite to the back side; A sliding mechanism (200) is provided, the sliding mechanism (200) including a sliding element (210) configured to be movable between a first end position and a second end position along a track on a second surface of the back support (110), wherein, in the use state of the user-wearable hand orthosis (1), the first end position is arranged close to the wrist of the user's hand, and the second end position is arranged at a distance from the first end position in a direction toward the knuckles of the user's hand; At least one finger module (300) is provided, the finger module (300) being configured to be worn on at least one finger of the user's hand, wherein each of the at least one finger module (300) includes a distal end (310) and a sliding element connection portion (340), the distal end (310) being configured to be worn on at least one distal segment of the at least one finger, and the sliding element connection portion (340) being configured to be connectable to the sliding element (210).

11. The method (100) according to claim 10, further comprising connecting the sliding mechanism (200) to the back support (110), Connecting the sliding mechanism (200) to the back support (110) optionally includes movably mounting the sliding element (210) on at least one guide rail (220) arranged on a surface of the back support (110) opposite to the back surface of the back support (110).

12. The method (100) according to claim 10 or 11, further comprising connecting at least one proximal end of the at least one finger module (300) to the sliding element (210), in, Connecting the at least one sliding element connecting portion (340) of the at least one finger module (300) to the sliding element (210) optionally includes adjusting the length from the connecting portion of the at least one finger module (300) to the distal end of the at least one finger module (300).

13. The method according to any one of claims 10 to 12, further comprising connecting the sliding element (210) to at least one force transmission element (500) configured to apply a force to the sliding element (210).

14. The method according to any one of claims 10 to 13, wherein providing the support structure (100) comprises providing: Core layer (112); and / or At least one low-friction layer (114) is disposed on the back side of the core layer and / or on the side of the core layer opposite to the back side.

15. The method according to any one of claims 10 to 14, further comprising: The support structure (100) is wrapped substantially around the hand so that a first locking segment of the support structure (100) engages with a second locking segment of the support structure (100), thereby mounting the support structure on the user's hand.

Images