18 results about "Flexor muscles" patented technology

An apparatus (100) for training and assisting gait of a person, comprises: a sensor (112; 140; 150) configured for being arranged in relation to a foot or leg of the person for sensing input related to movement of the foot; a foot sole stimulator (120) for providing a foot stimulation electrical signal to the foot sole for stimulating a nociceptive withdrawal reflex; a peroneal nerve stimulator (130) for providing a peroneal nerve stimulation electrical signal to the peroneal nerve for stimulating activation of foot dorsiflexor muscle; wherein at least the foot sole stimulator (120) is configured to provide the foot stimulation electrical signal in dependence of the input sensed by the sensor (112; 140; 150); and wherein the apparatus (100) is configured to be operated in at least two different modes for selectively activating at least one of the foot sole stimulator (120) or the peroneal nerve stimulator (130).

The application discloses a wearable flexible lower limb gravity balance exoskeleton and relates to the field of exoskeleton robots.The exoskeleton robot comprises a flexible garment, a knee joint binding mechanism, a Bowden cable transmission mechanism and a gravity balance device.The flexible garment is worn on the upper body of a human body, provides a stress anchor point for the gravity balance device and guarantees the stability of wearing.The knee joint binding mechanism is installed at the knee joint of the lower limb of the human body and connects the gravity balance device with the knee joint.The Bowden cable transmission mechanism is distributed on the front side of the thigh and provides assistance for the flexion of the hip joint.The Bowden cable transmission mechanism is connected with the knee joint binding mechanism.The gravity balance device is installed on the front side of the flexible garment and assists the flexion of the hip joint.The gravity balance mechanism is combined with the Bowden cable transmission mechanism and adopts a bionic driving mode to simulate the force line direction of the hip flexor muscle of the lower limb.The application adopts a variable stiffness design, and elastic elements and flexible mechanisms are matched with the motion change of the human body, so that the fitting degree of the exoskeleton with the human body is higher, and the assistance and safety are improved.

The application discloses an upper limb exoskeleton adaptive load balancing device. When the exoskeleton is passively flexed at the hip joint due to the terminal load of the lower arm, the load compensation spring is stretched, and a balance torque is provided. During the flexing process of the hip joint, the increase of the angle drives the feedback adjustment spring to be stretched, the action point of the load compensation spring is changed, the load compensation spring is moved towards the direction in which the force arm of the load compensation spring is increased, so that a greater load compensation torque is generated, the flexing degree of the hip joint is reduced, the working posture is optimized, fatigue is reduced, the exoskeleton can make the human trunk keep in a relatively comfortable vertical state to work under the premise of meeting the external load compensation, and the technical problem that the wearer can only rely on the partial pulling force provided by the back flexor muscles to keep the body balanced when the existing upper limb exoskeleton is used to carry out the hanging rod operation is solved. When the load operation is continuously carried out, the wearer needs to provide the balance pulling force, so that the human muscles are relatively tired after long time work.

An electrical stimulation-based ankle muscle rehabilitation training apparatus comprising: an ankle movement providing device that provides dorsiflexion, plantarflexion, eversion, inversion, supination, and pronation operations; first and second electrode pads respectively attached to the proximal and distal portions of the tibialis anterior representative of the ankle dorsiflexor; third and fourth electrode pads respectively attached to the proximal and distal portions of the peroneus longus representative of the ankle evertor; an electrical stimulation providing unit for applying electrical stimulation to the first to fourth electrode pads; and a control unit that controls the ankle movement providing device to sequentially perform a first operation of repeating dorsiflexion and plantarflexion movements, a second operation of repeating eversion and inversion movements, and a third operation of repeating supination and pronation movements at an appropriate slow speed, and controls the electrical stimulation providing unit to apply electrical stimulation to the first to fourth electrode pads.

The invention discloses a wearable gesture recognition glove based on a single-channel linear conductive hydrogel sensor. The wearable gesture recognition glove comprises an elastic knitted glove base; the linear sensor comprises a silica gel catheter, conductive hydrogel filled in the silica gel catheter, and copper electrodes packaged at two ends of the silica gel catheter; the linear sensors are distributed in a single-channel U-shaped topological structure along finger back key joints and palm flexor muscle lines; the silica gel catheter is fixedly connected with the elastic knitted glove base after being packaged by a hot melt adhesive or polydimethylsiloxane. Through structural optimization of the single-channel linear sensor, modulus matching packaging of the ultra-thin silicone tube, hot melt adhesive physical anchoring spinning integration and strain amplification signal enhancement design, the intelligent glove can simplify the structure and improve the wearing experience, and meanwhile, accurate recognition of common gestures can be achieved.

A tubular retractor securement frame is disclosed including a mounting bracket, two flexor arms, and a device emplacement oriented to receive and hold in-place a surgical tool. The mounting bracket includes an elastically deformable plate, rails extending about orthogonal from the elastically deformable plate and about parallel to one another, and receptacles facing one another in the rails which are arranged to receive a retractor arm extending from a tubular retractor at a fixed angle. The flexor arms extend from the mounting bracket adjacent to the rails. The flexor arms are positioned so as not to occlude visualization through the tubular retractor and such that applying pressure to flex the flexor arms toward one another shifts the rails to accept or remove the retractor arm into or from the receptacles, and releasing the pressure reverts the rails so as to inhibit the retractor arm from being inserted or removed.

The utility model provides a protective glove for relieving spasm of flexor muscle, and relates to the technical field of protective gloves, the protective glove comprises a glove main body, the glove main body comprises a palm surface and a hand back surface, and the palm surface and the hand back surface are made of waterproof elastic fabric providing elasticity. The hand of a patient can be placed in a backhand state by the aid of the auxiliary hook-and-loop fastener, the hand of the patient is kept stable and less prone to flexor spasm by the aid of adhesion of the loop surface of the auxiliary hook-and-loop fastener and the snagging surface of the main hook-and-loop fastener adhered or sewn on the surface of the bed body, and then the hand of the patient can be prevented from falling off when the patient has the sign of flexor spasm under matching of the mounting groove piece, the inner rotating groove and the massage balls, so that the patient can feel comfortable when the patient has the sign of flexor spasm. More than half parts of the bottoms of the massage balls can be limited by the caliber of the top of the inner rotating groove and rotate in the inner rotating groove, so that the massage balls can continuously massage the hands of the patient, stimulate the acupuncture points of the hands, promote blood circulation and relieve spasm of flexor muscles.

A trunk exoskeleton is provided including a flexible corset configured to wrap around a user's torso in the lumbar spine region. The flexible corset includes a plurality of vertical pockets formed around its perimeter. A plurality of flexor columns are included, each of which positioned in one of the plurality of vertical pockets. The flexor columns generate a flexor righting torque when bent from a vertical orientation. The multiple flexor righting torques from each of the plurality of flexor columns combine to generate a combined flexor righting torque. The combined flexor righting torque comprises a portion of a user trunk torque when the user's torso is angled from vertical.

The present utility model application relates to a set of adjustable elements (1) for proprioceptive insoles (2), used in the field of orthopedic devices. The present utility model comprises elements such as a long flexor bar (3), a standard flexor bar (4), and a short flexor bar (5), a flexor button (8), an ancillary plantar flexor square (9), and a heel insert (14), all manufactured using 3D printing technology. The elements are designed for customized biomechanical adjustment and correction of the user's foot, facilitating the correction of postural deviations and the proper distribution of weight along the foot. The customized adjustment improves the user's stability, gait, and posture, reducing the risk of injuries and promoting improved joint mobility, which represents a substantial advancement over the prior art in the field of functional orthopedics.

The article relating to the present design is a "wrist support" used for resting the wrist dorsiflexor muscles and maintaining a wrist dorsiflexed position. It consists of a bifurcated fixing band and a trifurcated fixing band, and hook-and-loop fasteners for fastening are attached to the ends of each fixing band and the base surface of the bifurcated fixing band. The hook-and-loop fastener attached to the base surface of the bifurcated fixing band has one or two sides open, allowing a spring support to be inserted through the opening and housed between the hook-and-loop fastener and the base of the bifurcated fixing band to reduce the burden on the dorsiflexor muscles. When wearing this article, first, the hook-and-loop fastener attached to the hand band located on the hand side of the bifurcated fixing band is fastened to the hook-and-loop fastener on the base surface of the bifurcated fixing band to form a loop the size of the hand circumference, and the part of the hand excluding the thumb is inserted into this loop. In this state, fasten the hook-and-loop fastener attached to the wrist band located in the center of the three-pronged fixing band section and the hook-and-loop fastener attached to the forearm band located on the forearm side of the two-pronged fixing band section to the hook-and-loop fastener on the base surface of the two-pronged fixing band section, in that order. Then, fasten the hook-and-loop fastener attached to the hand band located on the hand side of the three-pronged fixing band section to the hook-and-loop fastener on the hand band of the two-pronged fixing band section, and further fasten the hook-and-loop fastener attached to the forearm band located on the forearm side of the three-pronged fixing band section to the hook-and-loop fastener on the forearm band of the two-pronged fixing band section. This results in the wearing state shown in reference figures 1 and 2, which illustrate the state of use. This "wrist supporter" is ambidextrous and can be used on either the right or left hand, and because the size is easily adjustable, it can be used regardless of gender or body type.

The present invention is a massaging apparatus suited for trigger point therapy. The massaging apparatus suited for trigger point therapy contains an anchoring sheet, a thumb sleeve, and a massaging device. The anchoring sheet contains a sheet aperture, a first end, and a second end. The first end and the second end are terminally opposite to each other along the anchoring sheet. The sheet aperture is positioned adjacent to the first end, opposite to the second end. The sheet aperture traverses through the anchoring sheet. The thumb sleeve is connected within the sheet aperture. The thumb sleeve is concentrically aligned and connected to the sheet. The massaging device is hingedly connected to the thumb sleeve, opposite to the anchoring sheet through a first hinge.

The utility model provides a novel auxiliary pillow for good limb positioning of hemiplegic limbs, which relates to the technical field of auxiliary pillows, including an upper limb pillow main body, one side of the outer wall of the upper limb pillow main body contacts the lower limb pillow main body, and the upper limb pillow main body includes an upper limb pillow main body, a U-shaped groove is provided on the top of the upper limb pillow main body, and a mounting seat is fixedly connected to one side of the outer wall of the upper limb pillow main body, and two embedded grooves are provided on the outer wall of the mounting seat. In the utility model, through the cooperation of a series of components, the upper limb pillow of the device is in an inverted "L" shape with an angle of about 30°, and the pillow is concave "U"-shaped. Fixed belts are also provided at the upper, middle and lower parts, which can fully fix the upper limbs, and the end is given multifunctional treatment. A detachable glove-like device can be attached to fully stretch the fingers to avoid flexor contracture, and an increasing device is provided at the bottom to raise the end when necessary to improve circulation and avoid shoulder-hand syndrome.

The invention discloses a physical test training examination system based on visual identification, belongs to the technical field of examination, and solves the problems that compensated actions such as hip flexor muscle force generation and head pedaling are used for reaching the standard during sit-up physical test of a student, and a physical test system cannot identify force generation sources and deceptive actions only by a single-view-angle 2D camera and an algorithm, so that the physical test effect is poor. The problems of score distortion, inaccurate assessment, outdated scores of honest students and possibility of causing sports injury to the cervical vertebra and lumbar vertebra of the students are solved. According to the method, real-time biomechanical digital twins are constructed by fusing dual-view-angle vision, millimeter-wave radar, distributed pressure sensing and inertial measurement data, a hip flexor muscle dominant force generation mode is accurately identified by applying a multi-agent collaborative analysis mechanism, lumbar vertebra and neck biomechanical risks are quantified, and compensation actions are arbitrated and judged to be invalid based on an evidence theory, so that the method has the advantages of being high in precision and high in reliability. And an assessment rule system is reconstructed while the limitation of a single vision technology is broken through, and finally accurate discrimination of speculation compensation behaviors, effective prevention and control of sports injury risks and fairness balancing are realized.

The utility model discloses a control device of a myoelectric hand, which is applied to the field of bionic hand development and comprises a controller and a parameter regulator electrically connected with the controller in a selective adsorption mode, a control unit is arranged in the controller, a touch display screen is arranged on the parameter regulator, the control unit is electrically connected with the touch display screen in a selective mode, and the touch display screen is electrically connected with the controller. The input end of the control unit is electrically connected with an extensor sensor and a flexor sensor which are arranged on muscles, and the output end of the control unit is connected with the bionic flashlight. The bionic hand is simple and easy to use, high in adjusting speed and high in adjusting efficiency, use of the bionic hand cannot be affected by individual differences of users, and various requirements of the users are met; according to the bionic hand, the controller and the parameter adjusting device are arranged in a split mode for control of the bionic hand for the first time, the parameter adjusting device is used for parameter adjustment and control debugging, the controller is placed in the receiving cavity and used for program operation and processing, and the whole bionic hand looks smaller, more durable, attractive and elegant and is deeply loved by users.

The utility model relates to the technical field of medical instruments, and discloses an upper limb flexor spasm drafting and relaxing device which comprises a supporting plate, a folded plate and a second table plate, a lower plate is hinged to the position, close to the rear side, of one side of the upper end face of the supporting plate, and a first table plate is hinged to the end face of one side of the second table plate. And fixing mechanisms are fixedly arranged at the positions, close to the middles, of the upper end faces of the first table plate and the second table plate correspondingly, and a first electric telescopic rod is fixedly arranged at the position, close to one side, of the inner bottom face of the folding plate. According to the multifunctional medical table, arms are placed on the inner walls of the two fixing mechanisms, the fixing blocks are closed to fix the small arms and the large arms respectively, the massage blocks and the heating blocks are arranged in the fixing mechanisms, the arms are heated through the heating blocks and then massaged through the massage blocks, the first table plate can be pushed by the started first electric telescopic rods, and therefore folding and relaxing are achieved; and the started second electric telescopic rod can push the lower plate to drive the table plate to turn over so as to realize rotation and loosening.

To provide a wrist joint soft function orthosis capable of assisting a wrist joint dorsiflexion muscle function during an intended motion by obtaining a fixed state of a wrist joint and a resting state of a wrist joint motion muscle.SOLUTION: The wrist joint soft functional orthosis 1A of the embodiment includes a front arm band 2A attached by being wrapped around the front arm portion, a hand band 3A attached by being wrapped around the palm and the back of the hand, a support column housing portion 2A provided along the longitudinal direction formed by the front arm back surface side of the front arm band 3A and the back of the hand side of the hand band 4A, and a support column 4A that can be housed along the longitudinal direction of the support column housing portion 5A.SELECTED DRAWING: Figure 1

A hand assistive device includes an index thimble mountable on a tip of an index finger, a middle thimble mountable a tip of a middle finger, a flexor pulley, an extensor pulley, a flexor cable wrapped around the flexor pulley, and an extensor cable wrapped around the extensor pulley. A respective first looped end of each of the flexor cable and the extensor cable coupled to the index thimble and a respective second looped end of each of the flexor cable and the extensor coupled to the middle thimble. An actuator is coupled to the flexor pulley and the extensor pulley to simultaneously actuate a linear motion of the flexor pulley along a translational axis in a first direction and a linear motion of the extensor pulley along the translational axis in an opposing second direction. Such underactuated hand assistive device may allow for grasping objects with various shapes.

The invention provides a cognitive rehabilitation-oriented 32-channel surface myoelectricity real-time gesture man-machine interaction system and method.The system comprises a flexible array electrode, a hardware circuit, an upper computer interface and an interaction module, and the flexible array electrode is attached to a wrist flexor muscle group and an extensor muscle group of the wrist through a 2 * 16-channel snakelike wiring structure; the sensor is used for collecting surface electromyogram signals; the hardware circuit integrates an electrophysiology amplification and acquisition module, a main control module, a power management module and a wireless communication module, and amplification, filtering, analog-to-digital conversion and wireless transmission of electromyographic signals are achieved. The upper computer analyzes, processes and displays the received multi-channel myoelectricity data, completes gesture recognition based on activation detection and a multi-scale residual attention network model, and maps a recognition result into an interaction control event to drive a virtual rehabilitation scene; according to the invention, real-time identification and man-machine interaction control of micro-actions of wrists and fingers can be realized under a natural wearing condition, and the system is suitable for cognitive rehabilitation training and related interaction application scenes.