31 results about "Forearm muscle" patented technology

A push and pull exercise device having a lateral flat surface configuration to enable the user to sandwich grip the surface between the underside of outstretched fingers and the thumb or by contact with the palm side of out stretched fingers and / or palm of both left and right hands, the flat or arching surface having a ringlet positioned approximately in the middle of the lateral flat surface, and thus, to exercise biceps, shoulders, and / or forearm muscles or sets of muscles, or a specific range or section of those muscles.

The invention provides a hand rehabilitation training glove and system based on electromyographic signal guidance and pressure feedback, and the glove comprises a flexible glove main body which is made of an elastic material, is designed to fit the anatomical structure of a human hand, and is used for collecting bioelectrical signals generated by the remaining hand and forearm muscles of a patient when the patient actively intends to generate power; the embedded signal processing module is used for carrying out amplification, filtering, noise reduction and analog-to-digital conversion processing on the collected original electromyographic signals; and the main control unit is used for calculating time domain and frequency domain characteristic values of the electromyographic signals and identifying the motion intention of the patient based on a preset threshold value or an adaptive algorithm. Weak electromyographic signals are collected and processed in a high-precision mode and immediately converted into local touch pressure feedback corresponding to the functions of the weak electromyographic signals, neural pathway connection between the cerebral cortex and target muscles is enhanced, training interestingness and immersion and compliance of a patient are remarkably improved, and the training effect is improved. And key power is provided for continuous long-term rehabilitation training.

The invention belongs to the technical field of wearable exoskeletons, and particularly relates to a forearm power assisting device, a forearm power assisting method and an upper limb power assisting system. The forearm power assisting device comprises an angle transmission mechanism, an angle amplification mechanism, an elastic energy storage mechanism and a tension output mechanism; wherein the buckling angle of the front arm is transmitted through the angle transmission mechanism, and after the buckling angle is amplified through the angle amplification mechanism, the elastic energy storage mechanism is driven, so that the flexible traction cable outputs pulling force linked with the buckling angle of the front arm. The forearm power assisting device is a system based on the pure mechanical transmission and energy storage principle, forearm flexion and extension angle changes can be directly converted into self-adaptive tension linked with the forearm flexion and extension angle changes, and therefore forearm muscle fatigue in long-time fine operation can be effectively relieved without an external power source.

The invention relates to a mechanical fingerstall based on arm electromyographic signal intelligent control, and belongs to the technical field of medical instruments, the mechanical fingerstall comprises a spliced mechanical glove, the back of the spliced mechanical glove is provided with a touch display screen, and the touch display screen is wirelessly connected with a forearm electromyographic signal collector and an upper arm electromyographic signal collector. The forearm electromyographic signal collector comprises a wearable sensor bracelet main body, an inflatable fixing gasket layer, a flexible electromyographic sensor strip and the like, and is used for collecting and transmitting forearm electromyographic signals. The upper arm electromyographic signal collector is composed of a shoulder fixing sleeve, a signal preprocessing box, an electrode cluster and the like and collects upper arm electromyographic signals. The main control unit box controls the mechanical fingerstall to act through the intelligent control algorithm module according to the received electromyographic signals, and switching from pure upper arm muscle control to double-arm cooperative control can be achieved. According to the mechanical fingerstall, electromyographic signals can be accurately collected, fingerstall actions are intelligently controlled, personalized rehabilitation and data management are provided, and the hand rehabilitation training effect and the life quality of a patient are effectively improved.

The invention provides a double-pneumatic artificial muscle control method and system with overshoot constraint, and relates to the technical field of robot control. Comprising the following steps: defining error signals of a forearm muscle length, an upper arm muscle length, a shoulder joint angle and an elbow joint angle based on a dynamic model of a double-pneumatic artificial muscle system, and constructing an error signal convergence constraint term and an overshoot range constraint term; determining an energy function of the double-pneumatic artificial muscle system; based on a kinetic model and an energy function of the double-pneumatic artificial muscle system, considering the error signal convergence constraint term and the overshoot range constraint term, and designing a controller to control the forearm control input air pressure and the upper arm control input air pressure of the double-pneumatic artificial muscle system. According to the method, the error signal convergence constraint term and the overshoot range constraint term are considered, the overshoot of the system state variable is controlled within the safety constraint range, the overshoot phenomenon is avoided, and the safety performance of the system is improved.

A tension adjustable forearm gripping exercise device that is made with large handles with a knurled surface made of aluminum and a center portion made of steel. The device is adjustable through the tension used in securing the handles through end cylinders into a center cylinder with a securing nut. Each handle terminates in a ball joint that is placed into end cylinders that are then attached to the center cylinder where the tension adjusting securing nuts are tightened to the end cylinders / handles to the desired tension.

According to the gesture recognition method based on forearm muscle group deformation, high-sensitivity strain sensors are worn at the positions of flexion and extension muscle groups on the inner side and the outer side of an arm, body surface deformation is directly measured, a machine learning model is designed and trained for gesture recognition, deep muscle electric signal interaction is avoided, the reliability of data collection is improved, and the gesture recognition accuracy is improved. And meanwhile, the information amount is reduced, and the post-processing difficulty is reduced. The machine learning model fuses a one-dimensional convolutional neural network and a Transform structure, the one-dimensional convolutional neural network extracts spatial features, the Transform structure processes time sequence data by using a self-attention mechanism, and the processing capacity for complex time dependence is enhanced. The model maps data to an implicit vector space through position coding, time and space features are effectively extracted, and the generalization ability and the processing speed of the model are improved while high recognition precision is kept. The method can be widely applied to the fields of virtual reality, sign language recognition, robot control and rehabilitation and the like, and is particularly expected to meet the requirements of forearm amputation patients on intelligent artificial limb control.

The estimation device comprises: an acquisition unit acquiring first a detection result obtained by a first sensor and a second detection result obtained by a second sensor, the first sensor being provided away from a palm side portion of a hand of a worker and detecting a first physical quantity related to bending of a finger of the worker, the second sensor being mounted on a forearm portion of the worker and detecting a second physical quantity related to a movement of muscle in the forearm portion; and an estimation unit estimating a finger force generated in the finger using the first detection result and the second detection result.

The utility model discloses a nursing device for preventing bedridden old people from disability in the technical field of old people disability nursing, which comprises a nursing frame, two support rods are fixedly arranged in the nursing frame, the side surfaces of the two support rods are movably sleeved with a movable frame, the front side of the movable frame is fixedly provided with a handle, and the handle is fixedly connected with the movable frame. First compressed springs are fixedly arranged on the left side and the right side of the supporting rod, one end of each first compressed spring is fixedly matched with the side face of the moving frame, two moving grooves are formed in the rear side of the moving frame, and stretching pieces are arranged in the moving grooves in a sliding mode. The left hand and the right hand of the patient are put on the upper pull handles, the rest four fingers of the left hand and the right hand sleeve the two pull handles, then the forearm muscle group and the palm of the patient exert force, the pull handles with two pull handles as a group are squeezed towards the middle, the tension spring is stretched, the second compression spring is squeezed, the palm and the forearm muscle group of the patient are exercised, and the exercising effect on the patient is good.

The invention relates to an elbow brace (10) for relieving radial and / or ulnar forearm muscles (12, 14) of a patient, comprising at least one shell element (16) for medial and / or lateral arrangement on the forearm of the patient; at least one strap element (18) for fastening the at least one shell element (16) to the forearm of the patient; at least one pad (42) arranged in a defined manner on the at least one shell element (16) with at least one rib (54) extending along a rib axis (52), wherein the pad (42) can be arranged in a defined first configuration in which the pad (42) can be arranged on the radial forearm muscles (12), and a defined second configuration in which the pad (42) can be arranged on the ulnar forearm muscles (14).

This invention relates to the field of medical device technology and discloses a rehabilitation exercise device for preventing muscle atrophy. The device includes an elastic locking bandage that can be strapped to the periphery of a rod structure, a pressure-controlled damping mechanism, and a movable driven mechanism. Its structure includes a piston plate placed on an outer hollow tube and capable of moving axially along the outer hollow tube; a second helical spring capable of returning the piston plate to its upward position; a loop-shaped grip rod located directly below the outer hollow tube and capable of driving the piston plate; and a spherical airbag installed at the horizontal part of the loop-shaped grip rod and in an inflated state. This rehabilitation exercise device for preventing muscle atrophy utilizes the gripping motion to generate pneumatic damping, thereby exercising the patient's forearm muscles. Furthermore, through elastic stretching and gas flow restriction, it provides damping for the bending of the forearm and upper arm, thus exercising the patient's forearm and upper arm and preventing muscle atrophy.

The utility model discloses an orthopedic joint rehabilitation training device, which is applied to the technical field of medical instruments and can effectively improve the movement range of elbow joints, enhance the coordination of elbow and forearm muscles and promote blood circulation around the joints through controllable bending and unbending actions. Joint stiffness and soft tissue adhesion can be prevented through regular movement, and meanwhile the hand grabbing capacity is enhanced in combination with the holding action; due to the design of adjustable holding distance, arm lengths of different patients can be accurately adapted, and it is ensured that a hand holding point is aligned with the axis of a shoulder and wrist joint during elbow joint flexion and extension training; muscle strength levels of different rehabilitation stages of a patient cannot be matched due to fixed training intensity, so that joint injury is caused by overlarge early load or muscle activation is delayed due to insufficient later load.

The present application belongs to the technical field of muscle strength training and evaluation system, and discloses a kind of forearm muscle strength training and evaluation system, method, forearm muscle strength training device includes resistance adjusting assembly, handle and shell, for forearm muscle strength training;Forearm muscle strength evaluation system includes static torque sensor, signal transmitter, single-chip microcomputer, display screen, button, speaker, static torque sensor, signal transmitter, display screen, speaker, button and single-chip microcomputer are electrically connected, for the data of forearm muscle strength training device is collected, and the collected data is analyzed and evaluated.The present application can quickly switch between muscle strength training and muscle strength evaluation, which helps patients or athletes to understand the strength level and muscle strength development balance of their forearm muscles in time, in addition, targeted training plan can be adjusted according to data feedback, which helps to improve forearm strength level and joint stability, and helps to discover potential sports risks in time.

The invention discloses a hand function rehabilitation robot anti-resistance training method, device and system based on motion intention recognition and a storage medium, relates to the technical field of rehabilitation machine learning, and aims to solve the problem that a hand function rehabilitation robot cannot adapt to different patients in a personalized manner in the prior art. The method comprises the steps of collecting forearm electromyographic signals and actual motion angles of a patient; calculating an anti-resistance training evaluation index according to the finger driving force error and the position angle error; outputting and obtaining a resistance coefficient corresponding to the maximum resistance training evaluation index based on the fitting model, namely the optimal resistance coefficient; the optimal resistance is obtained according to the optimal resistance coefficient, and the hand function rehabilitation robot is set to use the optimal resistance to train the patient. According to the method, real-time electromyographic signal detection is combined, the resistance coefficient is dynamically adjusted to obtain the optimal resistance, and high individuation and self-adaptability of rehabilitation are achieved.

1. The name of the design product: metal grip. 2. The use of the design product: the design product is used for fitness equipment, for strength training, exercising finger, wrist, forearm muscle, and improving grip. 3. The design points of the design product: in the front view. 4. The picture or photo that best indicates the design points: front view.

The utility model relates to the technical field of medical instruments, in particular to a game type task-oriented forearm rotation rehabilitation training device which comprises an installation shell, a rotation handle and a feedback assembly, and a first assembly through hole is formed in the installation shell; the rotating handle is arranged in the first assembling through hole; the feedback assembly comprises a controller, a feedback unit and a detection unit, the controller is electrically connected with the feedback unit and the detection unit, the detection unit is used for detecting the rotating angle of the rotating handle, converting a detection result into an electric signal and sending the electric signal to the controller, and the controller controls the feedback unit to send a feedback signal to the outside according to the detection result. The rotating handle can be used for forearm muscle rehabilitation training of a patient, the feedback assembly can increase the interestingness of rehabilitation training, quantify training results and give timely feedback, the training interest of the patient is improved, the patient is helped to establish a positive feedback mechanism, and the training effect is improved.

The application discloses a wearable sleeve and a gesture recognition method thereof. The wearable sleeve comprises a sleeve body and a plurality of micro-tube sensors arranged on the sleeve body. Each micro-tube sensor comprises a micro-tube and a pair of wires. Both ends of the micro-tube are sealed and contain a conductive liquid inside. Each pair of wires is drawn from both ends of the micro-tube and electrically connected with the conductive liquid. The micro-tube of each micro-tube sensor covers a respective forearm muscle area. The muscles of the covered single or multiple muscle areas are used to control gesture actions. The application also provides a gesture recognition method based on the wearable sleeve. The sleeve body is worn on the forearm of a subject so that each micro-tube sensor is attached to a respective covered forearm muscle area. The resistance signals conducted by the pair of wires of each micro-tube sensor are collected, and the gestures of the subject are recognized based on the combination of the collected resistance signals. The above scheme can improve the accuracy of gesture recognition.

The utility model relates to the field of outdoor furniture, in particular to a seat capable of exercising hands. The seat capable of exercising the hands comprises a base; handrails are mounted on the two sides of the top of the base, and the two handrails are oppositely arranged; wherein rotating grooves are formed in the tops of the two armrests, and exercise assemblies capable of rotating are arranged in the two rotating grooves; a sunshade assembly is arranged on one side of the top of the base, and direct sunlight can be reduced through the sunshade assembly. According to the seat capable of exercising the hands, provided by the utility model, through the arrangement of the exercising assembly, when an old person uses the seat, the old person puts the hands on the armrests, holds the wooden balls and rotates the wooden balls to perform hand exercising, so that a plurality of muscle groups, including fingers, palms and forearm muscles, of the hands can be exercised; the coordination and flexibility of the hand are improved, the hand fatigue, pain and other related problems can be prevented and relieved, and the health condition of the hand is improved.

The invention relates to an elbow brace (10) for relieving radial and / or ulnar forearm muscles (12, 14) of a patient, comprising at least one shell element (16) for medial and / or lateral arrangement on the patient's forearm; at least one strap element (18) for attaching the at least one shell element (16) to the patient's forearm; at least one pad (42) arranged in a defined manner on the at least one shell element (16) with at least one rib (54) extending along a rib axis (52), wherein the pad (42) can be arranged in a defined first configuration in which the pad (42) can be arranged on the radial forearm muscles (12), and a defined second configuration in which the pad (42) can be arranged on the ulnar forearm muscles (14).

Provided is a training equipment that can be used in a load adjustable manner for strengthening a wrist and a front arm, mainly for strengthening a muscle strength relevant to the rotation of the wrist. The circular annular training equipment according to the present invention includes: an outer peripheral portion; and a grip portion, and wherein the outer peripheral portion is formed in a tubular shape having an internal space. The outer peripheral portion includes a plurality of buffer portions, and the outer peripheral portion includes a plurality of partition portions that prevent the fluid body charged into the internal space from moving in the internal space, the partition portions being formed on portions of the outer peripheral portion to which both ends of the grip portion are continuously connected.

The present invention relates to a forearm and upper arm muscle simultaneous strengthening exercise apparatus to be used by a user to simultaneously perform forearm and upper arm muscle strengthening exercises so that the efficiency of arm exercise is increased. Disclosed in one embodiment of the present invention is the forearm and upper arm muscle simultaneous strengthening exercise apparatus comprising: a plurality of forearm muscle strengthening parts which is ring-shaped and which generates resistance when gripped by the hand of a user; an upper arm muscle strengthening part extending in the longitudinal direction, and having two ends to which each of the plurality of forearm muscle strengthening parts is connected; connection parts each disposed between the forearm muscle strengthening part and the upper arm muscle strengthening part; and support parts each including a first wing, a second wing and a third wing that extend in different directions.

The invention discloses an sEMG signal muscle force analysis method based on geometric features under polar coordinates, which comprises the following steps: synchronously acquiring sEMG signals by adopting multiple channels based on the corresponding relationship between finger flexion and extension actions and forearm muscle groups, and marking sEMG channels corresponding to different fingers; performing data preprocessing on the marked signals; performing coordinate transformation on the preprocessed signal to obtain a polar coordinate graph of the sEMG signal; extracting geometric feature parameters according to the polar coordinate graph, extracting polar coordinate features of each channel, and constructing a polar coordinate space cooperation characterization mechanism for representing a muscle cooperation strategy, movement mode classification and an abnormal state; and establishing a corresponding model of muscle force-geometric polar coordinate characteristics, and realizing real-time estimation and motion process judgment of the multi-finger cooperative motion sEMG. According to the invention, the sensitivity to gripping force change is greatly improved, and the anti-interference performance is obviously enhanced. The problem that the motion section is difficult to analyze is solved, and the classification accuracy is remarkably improved.

A push and pull exercise device having a lateral flat surface configuration to enable a user to sandwich grip the lateral flat surface between an underside of outstretched fingers and a thumb or by contact with a palm side of the outstretched fingers and / or palms of both left and right hands, the lateral flat surface having a ringlet positioned approximately in a middle of the lateral flat surface, and thus, to exercise biceps, shoulders, and / or forearm muscles or sets of muscles, or a specific range or section of those muscles.

The invention belongs to the technical field of exercise rehabilitation instruments, and discloses a forearm muscle force balance training device and training method.The forearm muscle force balance training device comprises a first shell, and the first shell is provided with a split type holding rod structure; the pressure detection sensor is used for detecting the pressure of the hand holding structure; the second shell is in coupling connection with the first shell, the interior of the second shell communicates with the first shell, and a finger penetrates through the second shell to hold the split type holding rod structure; the third shell is fixedly connected with the second shell, the third shell is provided with a resistance adjusting device, and the resistance adjusting device is connected with the first shell through an elastic structure; the resistance adjusting device is driven, the elastic structure pulls the first shell to rotate, then the wrist is driven to move, and reverse resistance is applied to the wrist. Stability and persistence of forearm muscle groups are promoted by coupling grabbing and wrist training, extensor load is reasonably regulated and controlled in the training process, muscle activation intensity is reduced, and meanwhile the participation degree of the whole muscle is improved.

The system appropriately detects the strength of the worker's fingers while suppressing interference with the worker's work caused by the sensor. [Solution] The estimation device comprises an acquisition unit which acquires a first detection result from a first sensor that is provided away from the palm side of the worker's hand and detects a first physical quantity related to the flexion of the worker's fingers, and a second detection result from a second sensor that is attached to the worker's forearm and detects a second physical quantity related to the movement of the forearm muscles, and an estimation unit which uses the first detection result and the second detection result to estimate the finger force generated in the fingers.

1. The name of this design product: mouse base. 2. The purpose of this design product: A mouse base that can provide better support for the thumb; the wrist, index finger and forearm muscles do not need to be twisted too much, allowing users to use the mouse more comfortably. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

Active wrist brace for guiding and relieving musculotendinous pain at the elbow (epicondylar and epitrochlear) and wrist. The invention relates to a new type of wrist brace that relieves pressure on the forearm muscles and their tendon insertions at the elbow and wrist. Due to repetitive movements, the tendons of the elbow and wrist become inflamed, resulting in tendinitis. The wrist is responsible for this elbow condition. This brace will preferably consist of a flexible sleeve (1) covering the wrist and perforated for the thumb (2). One or more dorsal tunnels (3) (3') will be arranged on this flexible sleeve (1). One or more tunnels (3) (3') will be located on the palmar side of the sleeve (1). One or more flexible elastic strips (5) will be placed in these palmar and dorsal tunnels (3) or tunnels (3').

The utility model discloses a forearm isolated training instrument which is characterized by comprising a support, the support comprises two vertical rods, a rotating roller is arranged between the two vertical rods, and bearings are arranged between the rotating roller and the vertical rods; a primary gear is arranged at the tail end of the rotating roller; mounting rods are arranged outside the vertical rods, and mounting holes are formed in the mounting rods and the vertical rods; a rotating shaft is arranged to penetrate through the mounting hole, and the rotating shaft can rotate and axially move in the mounting hole; secondary gears are arranged on the rotating shafts. The forearm muscle training device is stable in structure, torque resistance is provided through the multi-stage strenuous gear set, resistance adjustment is convenient and fast, accurate training intensity can be provided, the training stroke has infinite continuity, and forearm muscle groups can be completely isolated for targeted training strengthening. In addition, the safety risk of falling of the heavy object is avoided due to the design that the heavy object does not need to be suspended. The design is also suitable for one-armed people to use.