126 results about "Hand functions" patented technology

The invention discloses a hand function rehabilitation closed-loop training system based on a multi-dimensional evaluation model, and relates to the technical field of hand rehabilitation, a data set acquisition module collects key physiological parameters such as a joint pressure coupling coefficient, and quantifies the biomechanical relevance between joint movement and pressure distribution; the LSTM neural network synchronously generates an action completion degree score and a joint pressure coupling coefficient prediction value, and dual functions of rehabilitation quality evaluation and abnormity early warning are realized; a confidence index is generated based on a feature consistency factor of a score fluctuation standard deviation and a prediction-actual measurement deviation, and the credibility of an evaluation result is accurately identified; switching response modes in real time according to a confidence level grading interval, and dynamically adjusting training difficulty and auxiliary force parameters; a confidence quantitative model and a rehabilitation strategy engine are deeply coupled to form an'evaluation-verification-regulation 'integrated framework, so that the rehabilitation safety and effectiveness are remarkably improved.

The invention relates to the field of rehabilitation instruments, in particular to an intelligent pneumatic hand function rehabilitation training system which comprises a flexible exoskeleton glove provided with a pneumatic muscle array and used for assisting fingers of a user in grasping training. The fingertip position of the glove is connected with a magnetorheological damper through a flexible cable, and the magnetorheological damper is used for providing dynamic resistance in the training process. The electrical stimulation module is used for activating hand muscle groups in a targeted manner through a surface electrode and enhancing neuromuscular control; the sensor module is used for collecting physiological data of a user in real time; the physiological data comprises electromyographic signals and tissue blood oxygen saturation; the control unit is used for switching training modes, by means of the intelligent air pressure hand function rehabilitation training system, the training intensity can be matched with the real-time ability of a patient all the time, and the rehabilitation training effect is improved.

The invention discloses a stroke hand rehabilitation training method based on multi-modal data fusion, particularly relates to the field of hand rehabilitation training, and is used for solving the problems that in the existing rehabilitation process, the motion solidification risk cannot be recognized, and the training scheme is lack of individualized dynamic adjustment. According to the method, hand joint motion features are obtained by constructing a standardized hand function micro-evaluation task, and a personal motion mode baseline is established in combination with dynamic time warping and multi-scale permutation entropy analysis; extracting a neural motion curing index based on the difference change between the current motion mode and the optimal motion mode, and analyzing and generating a function recovery momentum feature by combining the rehabilitation progress gradient and the acceleration inflection point; and fusing the electromyographic signal coupling coordination index to generate a rehabilitation risk score, and when the risk exceeds a dynamic threshold value, triggering adaptive recombination of a training strategy to realize accurate early warning and personalized training regulation and control. Rehabilitation monitoring precision and training pertinence can be effectively improved, and high-quality recovery of stroke hand functions is promoted.

The invention discloses a brain-computer interface-based hand function rehabilitation auxiliary training method, which belongs to the technical field of rehabilitation training, and specifically comprises the following steps of: acquiring an original electroencephalogram signal of hand action of a patient, and synchronously recording an actual movement track of a healthy side hand; separating the original electroencephalogram signal into an action intention signal and an action control signal; activating a mirror image hand model in the virtual training scene based on the action intention signal, and mapping the action control signal into a three-dimensional motion parameter; dynamically correcting the joint movement range of the mirror image hand model according to the actual movement track of the uninjured side hand, and generating virtual hand actions matched with the physiological features of the patient; extracting track key point coordinates of the mirror image action and a joint angle change sequence, and converting the track key point coordinates and the joint angle change sequence into a driving instruction of affected side exoskeleton equipment; the exoskeleton resistance change is fed back to the virtual training scene in real time, and the motion damping of the mirror image hand model is adjusted; according to the invention, personalized precise assistance of hand function rehabilitation training is realized, and the adaptability and effectiveness of training are improved.

The invention relates to the technical field of health monitoring, in particular to a rheumatoid arthritis patient hand function rehabilitation effect evaluation system in combination with a BCW theory, and the system comprises a behavior analysis module, a capability extraction module, an opportunity evaluation module, an effect analysis module and a stage optimization module. According to the method, the hand track and task records are collected, the execution rate and the duration are extracted and subjected to normalization fitting, a dynamic behavior portrait is constructed, principal component extraction is conducted in combination with the flexion and extension angle and the electromyographic signals, high-weight capacity characteristics are generated, the time difference between triggering and reaction of the device is monitored, the response delay change rate is calculated, and the task time is compared; according to the method, the relation between external stimulation and capability activation is revealed, behavior, capability and response characteristics are fused to construct an effect curved surface, the stability and gradient direction are analyzed, rehabilitation effect three-dimensional quantification and progress trend presentation are achieved, differentiated rehabilitation paths are adapted, and evaluation precision and regulation and control capability are improved.

The utility model discloses a hand rehabilitation training exoskeleton, and relates to the technical field of exoskeletons. According to the hand rehabilitation training exoskeleton, the ends of the palm shells are connected with the joints in a supporting mode through supporting sleeves, and the supporting sleeves are connected with an air conveying device in a communicating mode. The carpal joint is connected with the palm shell through a supporting sleeve, the other end of the carpal joint is connected with the metacarpal joint or the finger joint through the supporting sleeve, and the other end of the metacarpal joint is connected with the finger joint through the supporting sleeve. The problems that in the prior art, the size is large, flexibility is poor, operation is complex and the like are solved, and the requirements for precise assistance and natural training are difficult to meet. According to the hand rehabilitation training exoskeleton, the exoskeleton and the pneumatic technology design are combined, the lightweight design and the intelligent control technology are combined, the hand rehabilitation training exoskeleton aims at assisting a hand dysfunction patient in scientific rehabilitation training, and the hand rehabilitation training exoskeleton is suitable for stroke, brain injury, joint diseases or postoperative hand function recovery. Natural assistance and scientific rehabilitation of hand movement are achieved, and an efficient and safe hand function recovery means is provided for a patient.

1. The name of the design product: hand function rehabilitation instrument. 2. The use of the design product: hand function rehabilitation instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Holding device (1) for a functional aid (10) for people with limited hand function, comprising a hand clamp (2) with a clamping device (4) arranged on the hand clamp (2), characterized in that a guide rail (3) is arranged on the hand clamp (2), via which the clamping device (4) can be slidably fixed by means of a positioning device (5).

The invention discloses a self-adaptive training parameter adjusting method for a hand rehabilitation exoskeleton, and relates to the technical field of rehabilitation medical instruments, and the method comprises the specific steps: deploying a multi-modal sensing system to synchronously collect full-dimensional original signals of a patient, and building a healthy hand motion rhythm feature library; a plurality of indexes are obtained through preprocessing and feature quantitative analysis; judging conflicts and types through intention-conflict decoding; constructing a self-adaptive parameter adjustment model, and executing a flexible solution strategy; a closed-loop adjustment period is set, all the steps are executed circularly, scene parameter adjustment is completed, and advanced rehabilitation training is implemented; according to the method, a comprehensive and accurate patient state sensing system is constructed, the intention and ability matching state is accurately judged, adaptive training parameters are generated, training risks are avoided, safety and adaptability are improved, a closed-loop adjustment mechanism is further constructed, scene-based and advanced training is combined, training is dynamically adjusted, the enthusiasm of a patient is aroused, hand function recovery is accelerated, and the patient experience is improved. The rehabilitation effect and efficiency are improved.

The utility model relates to the technical field of rehabilitation training devices, in particular to a pneumatic hand function rehabilitation training device which comprises a plurality of annular separation air bags, a plurality of interval air bags corresponding to the separation air bags and an inflation air bag. The air pressure is kept consistent in the separation air bag and the interval air bag, and the separation air bag is wound on the corresponding inner wall of the supporting trainer; the separation airbags expand in response to the extruded state of the corresponding interval airbags, the interval airbags expand in response to the extruded state of the inflatable airbags, and the controller inflates the inflatable airbags in response to air pressure reduction of the inflatable airbags. Compared with the prior art, the hand rehabilitation training device has the advantages that the multiple air bags which are communicated with one another are arranged, fingers are separated according to actions of the hand, rehabilitation training of the hand can be achieved only by controlling contraction and expansion of the air bags to be matched with the finger ring assembly, and the rehabilitation training effect when the hand is in the holding posture can be effectively improved.

The utility model discloses a hand function exercise device relates to hand exercise device technical field, including support plate, and the bottom of support plate is provided with fixed establishment, and support plate is provided with tensioning mechanism, and tensioning mechanism includes moving plate, and moving plate fixedly connected in the one side of support plate away from fixed establishment, and the threaded connection of adjusting bolt has on moving plate, and the threaded connection has horizontal plate at the top of adjusting bolt, and the limit slot is seted up on support plate, and moving plate is fixedly connected on support plate through the bolt across limit slot. Advantageous effects lie in: the vertical height of limiting plate can be adjusted when the adjusting bolt of the device rotates, and the stretching stroke of main spring is changed, so that the resistance size when other four fingers are in the grip action is adjusted to exercise the initiative function of hand; press the side of horizontal plate away from main spring, and the other side of horizontal plate will rise, so as to drive the finger of the front finger sleeve to rise, and the coil spring in the rotating shaft will reset after the horizontal plate is loosened, thereby the passive function exercise of hand is carried out.

The invention relates to the technical field of hand function rehabilitation evaluation, in particular to a finger strength rehabilitation evaluation method and system, and the method comprises the steps that multiple sets of grasping training data of a patient are obtained, and one set of grasping training data comprises grip strength data of the patient at multiple moments during one-time grasping training; constructing a grip strength-time matrix; calculating a mahalanobis distance between each row of elements in the grip strength-time matrix and the grip strength-time matrix; judging whether each group of target training data is valid data or not; and calculating an evaluation coefficient, and adding a rehabilitation label to the patient when the evaluation coefficient is greater than a preset evaluation threshold value. According to the method, the accuracy of an evaluation result is improved by reducing data errors caused by non-standard actions or accidental factors.

The invention provides a hand function rehabilitation training system and method integrating multi-sensory feedback and virtual-real interaction, and belongs to the field of rehabilitation medical instruments and the technical field of virtual reality. The system comprises a wearable rehabilitation manipulator end, a virtual interaction end and a multi-sensory feedback end; the wearable rehabilitation manipulator end comprises a manipulator exoskeleton, a myoelectricity recognition module and a control module; the virtual interaction end generates a rehabilitation training action instruction and a virtual task scene, and guides a patient to execute a rehabilitation training task; and when the multi-sensory feedback end and the virtual interaction end perform task interaction, a multi-modal feedback chain of somatosensory, visual and tactile sense is synchronously triggered. According to the hand function rehabilitation training system and method integrating multi-sensory feedback and virtual-real interaction, the problems that an existing rehabilitation training system is high in passivity, single in feedback and high in delay are solved.

The invention relates to the technical field of rehabilitation training, in particular to a hand function evaluation training method and system based on multi-sensor fusion, and the method comprises the steps: obtaining electromyographic signals of a plurality of motor muscle groups, angles of a plurality of finger joints and grip strength of a patient in last training; fitting the electromyographic signals of each motion muscle group at multiple moments to obtain an electromyographic signal-time curve of each motion muscle group, and calculating the muscle group stability degree; calculating the finger joint stability degree according to the angles of the finger joints at the multiple moments; calculating a hand function evaluation coefficient; and correcting the training intensity of the patient in the last training according to the hand function evaluation coefficient to obtain the training intensity of the patient in the current training. The adjustment amplitude of the training intensity is determined through the evaluation result, the safety of hand function training of the patient is ensured, and the training efficiency is improved.

The invention relates to a method for evaluating the hand function state of a stroke patient, and belongs to the field of stroke, the method combines a Fugle-Meyer motion function evaluation scale and doctor suggestions, determines nine standard hand actions for evaluation, accurately obtains the three-dimensional coordinates of 21 key points of the hand of the patient by adopting a Mediape algorithm, provides an accurate data basis for evaluation, and improves the accuracy of the evaluation. According to the characteristics of each hand action, the geometric features with the highest distinguishing degree for healthy or sick states are selected as evaluation indexes, including angles and distances, and the hand function states of different rehabilitation levels can be stably distinguished. In the evaluation process, a weighted average method is adopted, reasonable weights are given to different fingers, the difference between healthy and affected hands is highlighted, the evaluation accuracy is further improved, meanwhile, a particle swarm optimization (PSO) algorithm is introduced to achieve automatic selection of a threshold value, subjectivity and uncertainty of manually setting the threshold value are avoided, and the evaluation accuracy is improved. And the evaluation result is more scientific and reasonable.

The utility model relates to the technical field of neurology, in particular to a patient hand function exerciser which comprises a protection assembly, a hand function exerciser body and a hand function exerciser body, the protection assembly is composed of a glove and a protection pad, and the protection pad is arranged on the inner wall of the glove; the resistance exercise assembly is composed of a sleeve shell, an elastic rope, a protective shell, a fixing block, a first magnetic attraction ring, a second magnetic attraction ring and an elastic ball. According to the patient hand function exerciser, through the arrangement of a sleeve shell, an elastic rope, a protective shell, a fixing block, a first magnetic attraction ring, a second magnetic attraction ring and an elastic ball, when the patient hand function exerciser is used, the second magnetic attraction ring and the first magnetic attraction ring fixed to the elastic ball are mutually attracted and fixed, a user bends fingers to press the elastic ball, and the elastic rope fixed to the sleeve shell can be bent during bending; the protective shell is used for protecting the elastic rope, the fixing block is used for fixing the elastic rope, the elastic rope provides certain resistance, the resistance of hand exercise can be guaranteed when a user presses the elastic ball, and the exercise effect is improved.

The invention relates to the technical field of rehabilitation instruments, and provides a quick-release fingerstall and a rehabilitation training manipulator, the quick-release fingerstall is used for being mounted on a pneumatic finger flexion and extension piece of the rehabilitation training manipulator, and the quick-release fingerstall comprises a flexible fingerstall and a fingerstall connecting piece. The flexible fingerstall is used for being worn on a finger; the fingerstall connecting piece is mounted on the flexible fingerstall, and the fingerstall connecting piece is detachably connected with the pneumatic finger flexion and extension piece, so that the flexible fingerstall is detachably mounted on the pneumatic finger flexion and extension piece. The flexible fingerstalls are detachably installed on the pneumatic finger bending and stretching parts through the fingerstall connecting parts so that the flexible fingerstalls of different sizes can be flexibly replaced according to the finger sizes of different patients, wearing is more comfortable, the problem that a uniform-size glove is too tight or too loose is fundamentally solved, the mechanical efficiency of grabbing and stretching action training is improved, and the training effect is good. Therefore, the direct effect of rehabilitation training is remarkably enhanced, the hand function can be recovered more quickly, and in addition, only the flexible fingerstalls are replaced, so that the cost is greatly reduced.

The invention relates to the technical field of intelligent rehabilitation equipment, in particular to an evaluation training method and system based on a hand function combination evaluation training board. The method comprises the following steps: acquiring real-time data of a multi-modal sensor array on a hand function combination evaluation training board according to a personalized training task generated by a patient; preprocessing the real-time data, and extracting key performance characteristics representing the hand movement quality of the patient from the real-time data; inputting the key performance characteristics into a preset artificial intelligence evaluation model to obtain a quantitative evaluation score corresponding to the clinical rehabilitation scale; and according to a comparison result of the quantitative evaluation score and a preset performance threshold value, performing adaptive adjustment on the difficulty parameter of the next round of training task. According to the scheme, the objectivity, efficiency and individuation level of rehabilitation are remarkably improved.

This invention relates to the field of hand function rehabilitation assessment technology, specifically a method and system for assessing finger strength rehabilitation. The method includes: obtaining multiple sets of grasping training data from a patient, where each set of grasping training data includes grip strength data at multiple moments during a single grasping training session; constructing a grip strength-time matrix; calculating the Mahalanobis distance between each row element of the grip strength-time matrix and the matrix itself; determining whether each set of target training data is valid; calculating an assessment coefficient; and adding a rehabilitation label to the patient when the assessment coefficient exceeds a preset assessment threshold. This invention improves the accuracy of assessment results by reducing data errors caused by improper movements or accidental factors.

An intelligent planar rehabilitation device that integrates upper limb and hand functions includes a base pad and an upper limb rehabilitation component. The upper limb rehabilitation component includes an arm training base and a training glove. The arm training base is suitable for moving on the base pad. The training glove is mounted on the arm training base. The arm training base is suitable for placing the user's arm, and the training glove is suitable for being placed on the user's hand. The rehabilitation device can perform rehabilitation training on the patient's fingers while performing arm rehabilitation training. The device is easy to carry, so patients can use the device to perform upper limb rehabilitation training even without going to the hospital, making upper limb rehabilitation training a family-friendly and home-based experience, which brings great convenience to patients.

The application provides an electromyogram muscle strength prediction method suitable for hand function rehabilitation training of children with cerebral palsy, and specifically comprises the following steps: constructing a muscle strength prediction source domain network model, and using an electromyogram muscle strength database to train and test the model; proposing a gesture set and a synchronous acquisition scheme of electromyogram signals and muscle strength signals of each gesture according to the rehabilitation training requirements of children with cerebral palsy; collecting electromyogram and muscle strength data generated when healthy children perform each gesture action, optimizing the muscle strength prediction source domain network model by using a transfer learning method, and obtaining a specific muscle strength prediction model for each gesture; collecting electromyogram signals and muscle strength signals of children with cerebral palsy during rehabilitation training of different gestures, realizing muscle strength prediction by using the specific muscle strength prediction model, and evaluating the completion effect of rehabilitation gestures of children with cerebral palsy according to the error between the predicted value and the actual value. The method is conducive to formulating a specific rehabilitation scheme and evaluating the rehabilitation treatment effect by clinicians, and better promotes the rehabilitation treatment of children with cerebral palsy.

The invention provides a hand rehabilitation training control system and method, and relates to the technical field of rehabilitation medicine. The system comprises a client, a main control unit, a power mechanism and a plurality of training suites, the client is used for determining a target training function, generating a training instruction according to the target training function and issuing the training instruction to the main control unit, and the training instruction is used for indicating a target training suite corresponding to the target training function; and the main control unit is used for controlling the power mechanism to rotate according to the training instruction so as to drive the target training suite to execute the training action. According to the rehabilitation training device, the multiple training suites can share one main control unit and one power mechanism, the equipment complexity and cost are reduced, different training suites can execute different training actions, the training requirements of multiple parts such as hand, wrist and forearm training are met, personalized and precise rehabilitation training tasks are completed, and the rehabilitation training efficiency is improved. The problem that an existing hand function rehabilitation training device cannot meet comprehensive and systematic hand function rehabilitation requirements is solved.

The utility model belongs to the technical field of bathroom accessories, and particularly discloses a bathroom sealing door with a hidden anti-pinch structure, which comprises a sliding chute, a door main body, a damping buffer, a first buffer block and a second buffer block, the sliding grooves are fixedly formed in a top plate and a bottom plate of the bathroom. The door body is slidably installed in the sliding groove. The damping buffer is embedded in the sliding groove, and the telescopic direction of the damping buffer is perpendicular to the sliding groove. The first buffer block is fixedly connected to the movable end of the damping buffer, and the sliding groove is provided with a groove for the first buffer block to move. The second buffer block is arranged on the top face of the door body, when the second buffer block makes contact with the first buffer block, the moving speed of the door body is reduced under the action of the damping buffer, opening and closing of the sealing door of the bathroom are buffered by arranging the damping buffer hidden in the sliding groove, the first buffer block and the second buffer block, installation is convenient, use is convenient, and the service life of the sealing door is prolonged. And the anti-pinch function of the sealing door of the bathroom is effectively improved.

The utility model belongs to the technical field of constructional engineering, and particularly relates to a concrete crack observation instrument which comprises a chest plate hooped in front of the chest through a chest strap, a neck strap used for being hung on the neck is fixedly connected to one side of the top of the chest plate, a rotating plate is rotatably connected to one side of the chest plate, a display is movably arranged on the top of the rotating plate, and a display screen is arranged on the top of the rotating plate. Spring columns are symmetrically and elastically assembled on one side of the chest plate and located on one side of the rotating plate, and one ends of the two spring columns are jointly and fixedly connected with a second clamping plate used for abutting against the displayer. The chest plate can be fixed in front of the chest of an operator through the chest strap and the neck strap, and the display can be clamped and fixed on one side of the rotating plate through the first clamping plate and the second clamping plate, so that limb resource allocation is optimized, the single-hand function of a person is released, grabbing is facilitated, the stability of the human body during high-place operation is improved, the display can be conveniently operated, and the working efficiency is improved. The working efficiency is improved.

The invention discloses an acupoint stimulation orthopedic device for hand function recovery after apoplexy, and particularly relates to the field of rehabilitation auxiliary instruments.The acupoint stimulation orthopedic device comprises a shell, a controller is installed on the portion, close to the front face, of the left side of the shell, an orthopedic mechanism is installed in the shell, and a fixing mechanism is arranged on the front face of the orthopedic mechanism; heating mechanisms are installed at the ends, close to the back face, of the left side and the right side of the shell, the shape correcting mechanism comprises an electric push rod, a lifting plate is installed at the output end of the electric push rod, a spring telescopic rod is installed at the bottom of the lifting plate, a mounting plate is installed at the bottom end of the spring telescopic rod, and a rubber pad is installed on one side of the mounting plate; an electrode point is installed on one side of the rubber pad, and a pressure sensor is installed in the rubber pad. According to the acupoint stimulation orthopedic device for hand function recovery after stroke, the rubber pad is used for wrapping the pressed hand, the pressure sensors installed in a matrix mode can recognize the size and shape of the hand, and the accuracy and effect of acupoint stimulation orthopedic are improved.

The invention relates to a finger rehabilitation monitoring system based on wearable equipment. The system comprises a state data acquisition module, a motion mode recognition module, an evaluation generation module, a rehabilitation suggestion generation and feedback module, a rehabilitation training and execution recording module and an updating module. By adopting the system, hand function detection service can be provided; the real-time performance and the accuracy of the detection data can be improved; personalized rehabilitation suggestions are generated, and the rehabilitation effect is improved; a rehabilitation scheme is optimized, the rehabilitation service quality is continuously improved, a patient can conveniently carry out rehabilitation data and data acquisition anytime and anywhere, the patient does not need to frequently go to and go back to a hospital, and the remote monitoring capability is improved; and the medical resource cost is reduced.

The invention discloses a rigid-soft coupling rehabilitation training device with a wrist-hand integrated bidirectional training function. The device comprises a wrist joint driver module and a hand driver module which are integrally connected. The wrist driver is composed of an air bag set arranged in the front-back direction, segmented rigid plates located between adjacent air bags, an air bag bottom side limiting layer and end assemblies on the two sides, the wrist is bent under the positive pressure of the driver, and the wrist is stretched under the negative pressure of the driver. A multi-way connector is integrated in the hand side end head assembly and connected with the hand multi-finger corrugated pipe driving unit and an air path of the glove in a converged mode. The system supports wrist-hand cooperation, wrist independence and hand independence training, and pressure / angle sensing and rapid pressure relief can be configured to guarantee safety. The wrist-hand function rehabilitation training device has the advantages of being light in structure, good in wearing compliance, capable of achieving wrist-hand cooperation and bidirectional control and easy to maintain, and is suitable for wrist-hand function rehabilitation training of people suffering from cerebral apoplexy and the like.

1. The name of the design product: hand function rehabilitation training device (ExoGrip). 2. The use of the design product: for assisting hand function rehabilitation training. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A therapeutic device may be configured to improve hand dexterity and strength for an individual requiring rehabilitation of an upper extremity or hand function. The structure may include various graspable features to simulate different hand grasp patterns essential for daily activities. Adjustable weighted components may be modified for specific training needs of the user. The device may allow the simultaneous development of fine motor skills and muscle strength, providing a comprehensive rehabilitation tool. The device may be compact, user-friendly, and may be utilized in various therapeutic settings, including home-based rehabilitation programs. Use of the therapeutic device may streamline a recovery process by integrating multiple therapeutic modalities into a single, efficient training apparatus.