61 results about "Tendon sheath" patented technology

The invention discloses a bionic wrist joint based on rope driving, and belongs to the technical field of bionic robots. The joint mainly comprises a movable part, a driving part and a tendon-imitating rope group. The movable part is composed of a far-end column carpal bone imitating component, a near-end column carpal bone imitating component and a forearm bone imitating component, two two-rod four-cable tensegrity units are formed through ligament imitating elastic bodies to be connected, and a carpal groove imitating dislocation preventing structure is formed at the connecting position of the components. The driving part comprises a driving wheel set driven by a motor. The two tendon-imitating ropes are guided by the pulleys and the tendon-imitating sheath eyebolts, penetrate through the gaps of the components and then are fixed to the far end of the movable part. The degree of freedom is effectively restrained through the carpal-groove-imitating dislocation-preventing structure, dislocation is prevented, the stability is improved, and the double-degree-of-freedom bionic movement of 180-degree buckling / stretching and 90-degree adduction / abduction is achieved in combination with rope driving. The device has the advantages of being simple in structure, high in self-recovery performance and the like, and is suitable for robot operation scenes needing high flexibility and environment adaptability.

Disclosed in the present invention is a tendon sheath constraint system for a joint driving device. The tendon sheath constraint system comprises a tendon, a tendon sheath and joints, wherein the joints comprise a joint I, two ends of the tendon sheath of the joint I being fixed; and the joints comprise at least one joint II, through which the tendon sheath passes. The tendon sheath constraint system further comprises at least one limiting structure, wherein the tendon sheath passes through the limiting structure, and is slidable at the limiting structure. Further disclosed in the present invention are a robotic hand comprising the tendon sheath constraint system, and a robot. By means of providing the limiting structure in the present application, the moving joints can drive the tendon sheath to move, such that the tendon sheath can be adjusted and changed in shape or position; the tendon sheath can slide at the limiting structure in order to meet the tendon sheath length adjustment requirement, thereby preventing the tendon sheath from bulging; and the variation in length of the tendon sheath can be guided to a position where same can be released.

The invention discloses a scalpel assembly special for tendon sheath release. The scalpel assembly comprises a grip and a scalpel body. The front end of the grip is rotationally connected with the cutter body; the upper portion of the knife body is provided with a covering end, the lower portion is provided with a tendon end, and the middle of the rear end is provided with a connecting rod rotationally connected with the handle. The front end of the tendon end is fusiform, and a binding surface is arranged on one surface far away from the knife body; the binding face is arranged to be an inwards-concave curved face. In the tendon sheath release operation, the binding face can be tightly attached to the surface of the tendon, the situation that due to the fact that a traditional scalpel is difficult to be tightly attached to the tendon, the tendon is cut by mistake due to slight deviation in the operation process is effectively avoided, the operation risk is greatly reduced, and the occurrence probability of postoperative tendon dysfunction and other serious complications is reduced.

The application discloses an ultrasonic intervention tenosynovitis puncture model, which comprises a lower sleeve, wherein the lower sleeve is provided with an upper sleeve at the upper end, limiting clamping grooves and limiting clamping strips are arranged on the left and right sides between the lower sleeve and the upper sleeve, and the two limiting clamping grooves are respectively arranged in the left and right sides of the lower end of the upper sleeve, and the two limiting clamping strips are respectively fixedly connected to the left and right sides of the upper end of the lower sleeve; limiting clamping holes are arranged in the upper side of the inner part of the front and rear ends of the lower sleeve and the inner wall of the lower side of the front and rear ends of the upper sleeve; the variable tenosynovitis in the model is designed to simulate tenosynovitis of different sizes and positions through inflation, and adjustable teaching scenes are provided, so that the training is closer to the actual clinical situation; the tendon and the variable tenosynovitis are connected through clamping between the connecting clamping blocks and the connecting clamping grooves; the locking sliding head in the connecting clamping block is clamped with the fixed clamping hole in the connecting clamping groove, so that the stability and detachability of the connection are ensured, and the maintenance and replacement are facilitated.

1. The name of the design product: medical medium frequency therapeutic apparatus (tendon sheath). 2. The use of the design product: used for relieving hand tendon sheath discomfort, reducing pain, having acupuncture, massage and hot compress functions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly state diagram. 5. The design product is a thin product, and the component 2 left view, component 2 right view, component 2 top view, component 2 bottom view and component 2 perspective view are omitted. 6. The design is an assembly product, component 1 is the product host, and component 2 is a winding belt.

The invention discloses a manipulator of a tendon transmission structure. The manipulator comprises a hand module and a wrist module. The hand module comprises a palm base, a palm module and a plurality of fingers, and the palm module comprises a plurality of palm units; the wrist module comprises a wrist joint, and the wrist module comprises a wrist connecting block connected with the palm base; the palm part base is provided with a plurality of mounting interfaces, and the plurality of palm part units are respectively connected with the palm part base through the mounting interfaces; a base tendon sheath restraining structure is arranged at the palm base or the wrist connecting block, and the base tendon sheath restraining structure is configured to restrain a tendon sheath passing through the base tendon sheath restraining structure. According to the manipulator, the base tendon sheath constraint structure is arranged, so that numerous tendon sheaths of the hand module can be neatened, and the situation that the normal movement of the hand module and the wrist module is affected due to the fact that the tendon sheaths move greatly between the hand module and the wrist module can be avoided.

The invention provides a dexterous thumb and a dexterous hand. The first appearance piece and the second appearance piece are arranged on the two sides of the second connecting piece correspondingly, the first appearance piece is provided with the first tendon rope sleeve used for allowing the first end of the first tendon rope to pass through, the second appearance piece is provided with the second tendon rope sleeve used for allowing the second end of the first tendon rope to pass through, and the third appearance piece is arranged on the outer side of the third connecting piece; the third appearance part is provided with a third tendon rope sleeve for the second tendon rope to pass through, so that when the first tendon rope drives the second movable connecting piece to rotate and the second tendon rope drives the first movable connecting piece to rotate, the wire outlet direction of the corresponding tendon rope can be restrained through the first tendon rope sleeve, the second tendon rope sleeve and the third tendon rope sleeve; movement interference between the first tendon rope and the second tendon rope is avoided, and then the thumb can be conveniently controlled to conduct various actions.

The utility model discloses a pair of wireless visual tendon searching forceps, which comprises handles, forceps arms and forceps heads which are fixedly connected into a whole, comprising a visualization device. The visual device comprises a power supply, a cold light source and a PCB (Printed Circuit Board) which are integrated at the tail end of the clamp arm, and an imaging lens integrated at the clamping end of the clamp head; the power supply is electrically connected with the cold light source and the PCB respectively; the cold light source guides light to the clamping end of the forceps head through light-guide fibers arranged in the forceps arms; the PCB is provided with a WiFi module used for being in communication connection with external equipment and an image sensor used for processing optical signals into electric signals. And the imaging lens transmits an optical signal to the image sensor through an optical fiber arranged in the clamp arm. By means of the visual device, an operation visual field can be provided for a doctor, the doctor can control the forceps head to stretch into the tendon sheath from an original cutting wound to find the retracted tendon, the recovery difficulty of the retracted tendon can be effectively reduced, and the recovery effect after tendon repair or reconstruction is improved.

The application discloses a soft bionic hand and a robot, the bionic hand comprising a bionic skeleton system, comprising a plurality of sequentially movably connected skeleton members, forming a multi-joint motion chain from a bionic forearm, through a bionic wrist, to a bionic finger end; a plurality of independent flexible driving units, constituting a flexible driving unit array, comprising a first group of flexible driving units for simulating intrinsic muscles of the hand and a second group of flexible driving units for simulating extrinsic muscles of the hand; a bionic tendon transmission system, comprising a plurality of bionic tendons, transmitting driving force of the flexible driving units to each joint in the multi-joint motion chain; a bionic tendon sheath and a pulley system for constraining and guiding a motion path of the bionic tendons; muscle-level bionic partition driving is realized, weight distribution of the hand is optimized, friction is reduced through the bionic tendon sheath and pulley system, and tendon bowstring-like collapse is prevented, so that motion bionics of the bionic hand, wearing comfort and transmission efficiency are improved, and operation is closer to flexibility and coordination of a natural human hand.

This application provides a tendon-driven system, including a first joint, a tendon, a tendon sheath, and an actuating device; a first component of the first joint is connected to a second component and rotates about an axis relative to the second component; a first end of the tendon is connected to the first component, the tendon passes through the tendon sheath, and a second end of the tendon is connected to the actuating device; a first end of the tendon sheath is fixed relative to the second component, and a second end is connected to a tendon sheath seat at the actuating device; the tendon sheath seat is movably disposed, and the second end of the tendon sheath can drive the tendon sheath seat to move, which helps to prevent the tendon sheath from arching. This application also provides a manipulator and a robot including the above-described tendon-driven system.

The utility model relates to the technical field of moxibustion appliances, and discloses a tendon sheath moxibustion device which comprises a disc body, a fixing box capable of containing a plurality of moxibustion rods is arranged on the inner surface of the disc body, hand pads used for containing wrists or forearms are arranged on the two sides of the fixing box, the fixing box comprises a box top arranged in a hexagonal shape, and the box top is provided with a plurality of moxibustion rods. Six partition plates are connected to the periphery of the box top, and the bottoms of the six partition plates are fixed to the inner surface of the tray body. By means of the arc-shaped hand pads, a patient can place hands on the two sides of the device so as to play a role in auxiliary supporting, meanwhile, a plurality of circular openings are formed in the surface of the fixing box, moxibustion rods can be fixed in the different circular openings according to actual requirements, moxibustion can be conducted on the positions, needing to be treated, of the hands in a targeted mode, and the moxibustion effect is good. When the patient is in the sitting position, the tendon sheath moxibustion treatment requirement is met, the treatment experience and comfort of the patient are improved, and the treatment effect is ensured.

The invention discloses a tendon transmission system which comprises a tendon and a tendon sheath, and the tendon slides in the tendon sheath in the axial direction of the tendon sheath. The tendon sheath constraining element is configured to be mounted at a joint, and the joint passes through the tendon sheath constraining element; the tendon sheath restraining elements are flexible elements which can be bent; the tendon sheath constraining element has one or more guide grooves or guide holes inside or outside thereof through which the tendon sheath passes. The invention further discloses the robot. According to the tendon transmission system, the position and the movement range of the tendon sheath can be flexibly restrained, the tendon sheath cannot be disengaged, and movement of all joints spanned by the tendon sheath can be mutually decoupled; the transmission system has the advantages of simple and reliable structure, certain flexibility, long service life, easiness in maintenance and the like, and is particularly suitable for bionic dexterous hands, bionic mechanical feet or other robot parts needing tendon transmission.

The application discloses a tendon puller and belongs to the field of medical devices. The tendon puller comprises a sheath pipe, a clamping part and a scope. The sheath pipe comprises an execution end part provided with a balloon, and the balloon is partially arranged inside the sheath pipe. The clamping part comprises a plurality of clamping claws which are rotationally connected to the inner wall of the sheath pipe and partially extend out of the sheath pipe. The clamping claws are arranged in an annular array around the central axis of the sheath pipe. The clamping claws are connected to the balloon. When the balloon is contracted, the clamping claws are maintained in an initial position. When the balloon is expanded, the clamping claws are driven to rotate along the radial direction of the sheath pipe to a clamping position. The clamping claws which rotate to the clamping position abut against the adjacent clamping claws. The scope is sleeved to the sheath pipe. When the clamping claws are in the initial position, the scope obtains the visual field of the execution end part in the direction away from the sheath pipe. When the clamping claws move from the initial position to the clamping position, the visual field of the scope gradually decreases. Through the above arrangement, the tendon puller can be inserted into the tendon sheath and conveniently take out the broken end of the tendon.

The invention discloses a tendon transmission system with tendon sheath restraining elements. The tendon transmission system comprises tendons, tendon sheaths and the tendon sheath restraining elements. The tendon slides in the tendon sheath along the axial direction of the tendon sheath; the tendon sheath constraining element has one or more guide grooves or guide holes that guide the tendon sheaths to slide in respective axial directions, and the tendon sheath constraining element has a curl space configuration that allows the tendon sheaths passing therethrough to curl inside the tendon sheath constraining element. The invention further discloses the robot. According to the tendon transmission system, the positions and the movement range of the tendon sheaths can be flexibly restrained, the tendon sheaths cannot fall off, movement of all joints spanned by the tendon sheaths can be mutually decoupled, a certain curled buffer space is provided for the tendon sheaths, and certain compression resistance and impact resistance protection is provided for the tendon sheaths; the tendon transmission system is particularly suitable for bionic dexterous hands, bionic mechanical feet or other robot parts needing tendon transmission.

The invention provides a probing and cutting knife for stenosing tenosynovitis, which comprises a knife bar and a probing tongue fixed at the far end part of the knife bar, the probing tongue comprises a front probing tongue extending forwards from the far end part of the knife bar and a rear probing tongue extending backwards from the far end part of the knife bar, the probing cutter further comprises a pair of blades arranged on the rear probing tongue at intervals in the left-right direction, and the blades extend upwards from the rear probing tongue. According to the probing and cutting knife for stenosing tenosynovitis, the front probing tongue and the rear probing tongue are matched to enlarge a gap between a tendon sheath and a tendon, meanwhile, the tendon sheath corresponding to a pair of blades on the rear probing tongue is dissociated and cut off by the blades, the remaining tendon sheath is shortened, and the probability of tendon sheath relapse is greatly reduced.

The application discloses an electrically actuated flexible bionic palm and a bionic robot. The bionic palm comprises a bionic metacarpal skeleton system, a plurality of independent flexible driving units, a bionic tendon transmission system, and a bionic tendon sheath and pulley system. The bionic metacarpal skeleton system comprises a multi-degree-of-freedom metacarpal frame complex body with a palmar arch adduction / abduction degree of freedom and a palmar rotation degree of freedom. The plurality of independent flexible driving units comprise a palmar arch adduction driving group, a palmar arch abduction driving group, a palmar rotation driving group, and a reset driving group for driving a thumb column to reset from a palmar rotation position. The bionic tendon transmission system comprises a plurality of bionic tendons, and driving force is transmitted to the multi-degree-of-freedom metacarpal frame complex body through the bionic tendons. The bionic tendon sheath and pulley system constrain and guide the movement path of the bionic tendons through a plurality of bionic tendon sheaths and / or pulley structures. The curvature and arc of the palmar arch are dynamically adjusted according to different shapes of a gripped object, the gripping stability of the bionic palm is improved, and through antagonistic cooperation of the palmar rotation driving group and the reset driving group, multi-dimensional accurate control of palmar rotation movement is realized, and the operation dexterity is improved.

The invention discloses a tendon sheath restraint system of a joint driving device. The tendon sheath restraint system comprises tendons, tendon sheaths and joints. The joints comprise the first joint, and the two ends of a tendon sheath of the first joint are fixedly arranged. The joints comprise at least one second joint, and the tendon sheath passes through the second joint; the tendon sheath restraint system further comprises at least one limiting structure. The tendon sheaths penetrate through the limiting structures, and the tendon sheaths can slide at the limiting structures. The invention further discloses a manipulator comprising the tendon sheath restraint system and a robot. By arranging the limiting structures, the joints can drive the tendon sheaths to move when moving, so that the tendon sheaths are adjusted and changed in shape or position; the tendon sheath can slide at the position of the limiting structure so as to meet the required tendon sheath length adjustment; the swell of the tendon sheath is avoided; the length variation of the tendon sheath can be guided to a releasable position.

A tendon sheath, comprising a tendon sheath main body. The tendon sheath is provided with an oil supply structure, and the tendon sheath main body is further internally provided with a lubricant passage structure. The lubricant passage structure is in communication with a hollow part of the tendon sheath, and the oil supply structure is in communication with the lubricant passage structure. Further provided are a tendon sheath system and tendon transmission assembly comprising the tendon sheath.

An object is to provide a dried amniotic membrane that promotes regeneration of a tendon and a tendon sheath when a tendon injury has occurred and that reduces loss of the motor function of fingers of upper limbs and lower limbs due to tendon adhesion as a novel regeneration material. As a means for resolution, a dry amniotic membrane is produced by performing a specific drying treatment, that is, during a depressurization operation in which a fresh amniotic membrane placed in a treatment tank is continuously heated by an infrared heater provided in the treatment tank, and the inside of the treatment tank is brought into a depressurized state; and a pressure recovery operation in which the pressure of the inside of the treatment tank in a depressurized state is raised slightly toward the atmospheric pressure, drying is performed while applying energy to water molecules present in the amniotic membrane by irradiating the fresh amniotic membrane with a microwave also from a microwave generator provided in the treatment tank. The dried amniotic membrane retaining of the cell and tissue structures by repeating the treatment of drying a plurality of times promotes regeneration of the motor function of fingers of upper limbs and lower limbs after tendon suture surgery and is useful as a regeneration material.

This endoscope robot arm driving device comprises: a tendon sheath unit including a pair of tendon sheaths for pivot motions spaced apart from each other and extending in the forward / backward direction, a tendon sheath for forceps driving, and a pair of tendon sheaths for forward / backward movements; a robot arm assembly connected to one side of the tendon sheath unit; and an operation unit connected to the other side opposite to one side of the tendon sheath unit. The operation unit may include: a fixing unit having an accommodation space defined on the lower surface thereof; a forward / backward movement operation unit connected to the pair of tendon sheaths for forward / backward movements and disposed in the accommodation space so as to reciprocate in the forward / backward direction with respect to the fixing unit; a pivot motion operation unit connected to the pair of tendon sheaths for pivot motions and coupled to the forward / backward movement operation unit so as to rotate about a rotation axis parallel to the upward / downward direction intersecting the forward / backward direction in the accommodation space; and a forceps driving operation unit connected to the pair of tendon sheaths for forceps driving and coupled to the operation unit for pivot motions.

1. The name of the designed product: guide cutter (carpal tunnel syndrome and tendon sheath inflammation). 2. The use of the designed product: for carpal tunnel surgery. 3. The design points of the designed product: in the combination of shape and color. 4. The picture or photo that best shows the design points: perspective view 1. 5. The design protected contains color.

A tissue dissection apparatus for treatment of a trigger digit is provided. The apparatus may include a handle, a shaft extending distally from the handle, a receiver defined in a proximal end of the handle opposite the shaft, and a foot disposed on a distal end of the shaft opposite the handle. The receiver may include a port shaped to accommodate entry of a cutting instrument such as a needle. The foot may include a concave contact surface and an opening disposed on the concave contact surface. The concave contact surface may be shaped to approximate the contour of a tendon sheath. The apparatus may further include a channel defined from the port to the opening. The channel may be configured to axially receive the cutting instrument including a tip that is configured to dissect tissue during a surgical procedure.

1. The name of the design product: tendon sheath inflammation treatment device. 2. The use of the design product: for treating tendon sheath inflammation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: use state perspective view 1.

A tissue dissection apparatus for treatment of a trigger digit is provided. The apparatus may include a handle, a shaft extending distally from the handle, a receiver defined in a proximal end of the handle opposite the shaft, and a foot disposed on a distal end of the shaft opposite the handle. The receiver may include a port shaped to accommodate entry of a cutting instrument such as a needle. The foot may include a concave contact surface and an opening disposed on the concave contact surface. The concave contact surface may be shaped to approximate the contour of a tendon sheath. The apparatus may further include a channel defined from the port to the opening. The channel may be configured to axially receive the cutting instrument including a tip that is configured to dissect tissue during a surgical procedure.

A tissue dissection apparatus for treatment of a trigger digit is provided. The apparatus may include a handle, a shaft extending distally from the handle, a receiver defined in a proximal end of the handle opposite the shaft, and a foot disposed on a distal end of the shaft opposite the handle. The receiver may include a port shaped to accommodate entry of a cutting instrument such as a needle. The foot may include a concave contact surface and an opening disposed on the concave contact surface. The concave contact surface may be shaped to approximate the contour of a tendon sheath. The apparatus may further include a channel defined from the port to the opening. The channel may be configured to axially receive the cutting instrument including a tip that is configured to dissect tissue during a surgical procedure.

Disclosed in the present application is a force-bearing component of a tendon-driven robot. The force-bearing component comprises a force-bearing body and a tendon sheath constraint structure arranged on the force-bearing body, wherein the tendon sheath constraint structure is configured to allow a tendon sheath to slide therethrough. In the present application, the tendon sheath constraint structure is arranged on the force-bearing component for constraining the tendon sheath which passes through the force-bearing component, such that the position of the tendon sheath on the force-bearing component can be constrained.

This invention relates to a visual display for diagnosing tendon sheath tears. A system and method are provided for visually displaying one or more anatomical objects. The process involves receiving one or more 3D medical images of one or more anatomical objects from a patient. A correspondence is determined between the one or more 3D medical images and points on a 2D graph representing the one or more anatomical objects. The 2D graph is updated using patient information extracted from the one or more 3D medical images. The updated 2D graph with the determined correspondences is output.

A tendon-sheath driving device is disclosed. The tendon-sheath driving device, according to one aspect of the present invention, comprises: a tendon-sheath pair which is composed of a tendon and a sheath; and a cartridge which is operatively connected to the tendon-sheath pair and operates so as to enable the tendon and the sheath to move relative to each other. The cartridge may comprise: a body which extends in the front-rear direction, has a predetermined thickness, and has any one among the tendon and the sheath fixed thereto; a moving member which is disposed on one side or the other side in the thickness direction of the body, is coupled so as to be movable in the front-rear direction with respect to the body, and has the other one among the tendon and the sheath fixed thereto; and a locking part which is at least partially disposed on a moving path of the moving member and supports the moving member, which is positioned in an initial position set with respect to the body, so as to fix the position of the moving member.

A rehabilitation training wrist developer belongs to the field of rehabilitation training instruments. Comprising an elastic rubber airbag; the outer circular surface of the elastic rubber air bag is fixedly connected with a finger ring, and the outer circular surface of the elastic rubber air bag is also fixedly connected with a fixing seat for fixing a thumb; the fixed seat is arc-shaped, and an arc-shaped groove and a groove communicated with the arc-shaped groove are formed in the inner circular surface of the fixed seat; pressing air bags are fixedly connected into the arc-shaped grooves and the grooves; the end, located in the arc-shaped groove, of the pressing air bag is fixedly connected to the outer circle face of the elastic rubber air bag, and a through hole communicating the pressing air bag with the elastic rubber air bag is formed in the outer circle face of the elastic rubber air bag. The elastic rubber air bag is used for replacing a traditional body-building hand-muscle developer, inflammation aggravation or secondary injury induction caused by excessive friction between tendons and tendon sheaths is avoided, meanwhile, the functions of pressing the thumb of a patient and stimulating vasodilatation are achieved, blood circulation is promoted, metabolic waste discharge is accelerated, swelling and stiffness are relieved, and the body-building effect is achieved. The muscle tension can be relieved.

1. The name of the design product: tendon sheath inflammation treatment fixing brace. 2. The use of the design product: fixing brace. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.