1331 results about "Upper limb" patented technology

The invention discloses a scene interactive limb active and passive rehabilitation training system based on a virtual three-dimensional game in the field of rehabilitation medical treatment. The scene interactive limb active and passive rehabilitation training system comprises a virtual scene generation module, a multi-mode motion capture module, an active and passive cooperative control module, a real-time feedback and excitation module and a data statistics module. And the virtual scene generation module is used for constructing various three-dimensional game scenes, so that scene tasks are strongly associated with actions of upper limbs, lower limbs or upper and lower limbs, and scene difficulty is dynamically adjusted. Compared with the prior art, the interactive guidance of the immersive virtual three-dimensional game scene is adopted, the boring rehabilitation training is converted into interesting game experience, and the participation enthusiasm and compliance of the patient are greatly improved. Compared with traditional two-dimensional animation game training, the patient is more willing to actively participate in training, and the conflict emotion caused by boring training is reduced.

A device and method for functional electrical stimulation intended to be positioned on an upper limb of a user for stimulation of the user's upper limb, includes an electrode configured to be disposed on an upper limb of the user, the electrode having a number of electrode pads adapted to generate stimulating electrical signals on the upper limb of the user, and a stimulator having an embedded sensor configured to detect a movement of the stimulator, and a control component configured to process the sensor measurements and determine an intention of the user to perform an action with his / her upper limb on which the electrode is disposed, and to control the activation and / or deactivation of the electrode pads based on the sensor measurements.

The invention relates to a shoulder two-degree-of-freedom upper limb lifting power-assisted exoskeleton. In order to overcome the defects in the prior art, the shoulder two-degree-of-freedom upper limb lifting assisting exoskeleton comprises a body fixing assembly, two energy storage supporting boxes and two upper arm fixing assemblies, the two energy storage supporting boxes are fixed to a body strap, the two upper arm fixing assemblies are fixed to the upper arms of a user, and the two upper arm fixing assemblies are fixed to the lower arms of the user. The upper arm fixing assembly comprises an upper arm supporting piece and an upper arm binding piece, an arm rod is hinged to the upper arm supporting piece, the lower end of the arm rod is directly or indirectly connected to the adjacent energy storage supporting box, an elastic body is arranged in the energy storage supporting box, an upper rotating seat is arranged at the top of the energy storage supporting box, and a lower rotating seat is arranged at the bottom of the upper rotating seat. The outer side of the shoulder joint piece is hinged to the upper rotating base through a transverse shaft, and the lower end of the arm rod is indirectly connected to the adjacent energy storage supporting box through the shoulder joint piece. According to the shoulder two-degree-of-freedom upper limb lifting power-assisted exoskeleton, left-right arm opening and closing are not limited, and application and popularization of the upper limb lifting power-assisted exoskeleton are facilitated.

A modular prosthetic system for an upper limb in which the functional commands of the mechanical limb can be generated by exploiting additional input data with respect to the only muscle contractions of the muscles present on the patient's stump, and the patient can receive a sensory feedback, the richer as possible, regarding to the functionality of the mechanical limb.The modularity of the prosthetic system allows the use of a mechanical artificial limb that essentially implements the pure operational and sensory functions, while the control functions by the patient, and the feedback functions provided to the patient, are managed by a subsystem (called control module) distinct and decoupled from the artificial limb, with which it interacts through appropriate interfaces.

A device (1) and method for functional electrical stimulation intended to be positioned on an upper limb of a user for stimulation of the user's upper limb, comprising an electrode (2) configured to be disposed on an upper limb of the user, the electrode (2) having a plurality of electrode pads (3) adapted to generate stimulating electrical signals on the upper limb of the user, and a stimulator (4) comprising an embedded sensor (5) configured to detect a movement of the stimulator (4), and control means (6) configured to process the sensor measurements and determine an intention of the user to perform an action with his / her upper limb on which the electrode (2) is disposed, and to control the activation and / or deactivation of the electrode pads (3) based on the sensor measurements.

The gait assistance mechanism according to one example of the present invention may comprise one or more tendons connecting an upper limb, a trunk, and a lower limb of a wearer and a fixing part fixing the one or more tendons to the body of the wearer, and the one or more tendons may comprise a driving tendon connecting the lower limb and the upper limb on the same side of the wearer.

The invention provides a device for achieving brachial artery compression hemostasis, and relates to the technical field of medical instruments.The device for achieving brachial artery compression hemostasis comprises a wearing assembly suitable for being bound to the upper arm of the human body and achieving device wearing; the pressure applying unit array assembly is arranged on the wearing assembly and is used for carrying out compression operation on a puncture point area on the upper arm of the human body; the distributed pressure sensing assembly is arranged on the wearing assembly, located on the outer side of the pressure applying unit array assembly and used for sensing contact pressure information of the pressure applying unit array assembly and the puncture point area; and the controller is used for regulating and controlling the compression operation based on the dynamic pressure distribution represented by the contact pressure information so as to maintain effective compression on the puncture point. According to the technical scheme, compression failure caused by slight change of the posture of the upper limbs of the patient can be effectively reduced.

The invention relates to the field of upper limb joint rehabilitation training, in particular to an upper limb joint rehabilitation training method and system based on an exoskeleton mechanical arm, and the method comprises the steps: collecting sEMG signals of a target muscle group of a user in real time in a training process; calculating the root mean square of the amplitude of the sEMG signal in the current time window; if the root mean square is smaller than a muscle force insufficient threshold value, a training mode is switched to a full-assistance mode; if the root mean square is not smaller than the muscle force insufficient threshold value and smaller than the normal muscle force threshold value, the training mode is switched to a semi-assistance mode; if the root mean square is larger than or equal to the normal muscle force threshold value, the training mode is switched to an anti-resistance training mode. The rehabilitation training effect of the upper limb joints can be effectively improved.

The invention provides a horizontal limb joint rehabilitation physiotherapy device, and relates to the field of limb joint rehabilitation physiotherapy. A horizontal limb joint rehabilitation physical therapy device comprises a fixing plate which serves as a supporting structure for horizontal limb joint rehabilitation physical therapy, supporting seats which are evenly distributed are installed at the bottom of the fixing plate, and first ball cage type universal joints used for driving an upper limb assembly and a lower limb assembly to rotate are installed on the two sides of the fixing plate and the two sides of one end of the fixing plate; the two driving assemblies are arranged at the two ends of the top of the base correspondingly and used for driving the upper limb assembly and the lower limb assembly; and the ankle joint assembly is mounted at one end of the lower limb assembly and drives the ankle back to stretch and the plantar flexion through a servo motor. The upper limbs and the lower limbs can be driven to conduct rehabilitation training through the driving assembly, and meanwhile rehabilitation training can be conveniently conducted on one sides of the upper limbs and one sides of the lower limbs through cooperation of a first electromagnet, a first magnet, a second electromagnet and a second magnet.

The invention discloses a multi-signal fusion upper limb muscular tension increase detection method and device, and relates to the technical field of muscular tension increase detection. The method comprises a data acquisition process, a parameter fitting process, a model training process and a muscular tension increase detection process, passive elbow flexion and elbow extension are carried out at a set speed by driving a forearm with an elbow joint as an axis, mechanical data, kinematics data and myoelectricity data in the movement process are collected, and after the collected various data are preprocessed, the obtained data are subjected to model training and muscular tension increase detection. And training the muscular tension grade prediction model by taking a clinical evaluation result of a doctor on the muscular tension grade as a label, and predicting the muscular tension grade and the contribution degree of each feature to the prediction result through the trained muscular tension grade prediction model. According to the multi-signal fusion upper limb muscular tension increase detection method and device provided by the invention, accurate quantification of muscular tension levels is realized, and meanwhile, the reliability and interpretability of a detection result are enhanced.

An exercise apparatus supports plank and core-strength movements by engaging a user's upper limbs and supporting the user above a ground surface. A rigid frame carries at least one upper-limb support pad arranged to support a portion of the upper limb; a hand grip can be grasped while the limb rests on the pad. The pad and grip can be repositioned, re-oriented, or spaced to suit different body sizes, exercise variants, or load angles. A ground-engaging surface permits placement for use on indoor floors, mats, or outdoor terrain.

The invention discloses an intelligent positioning system capable of conveniently adjusting the standing posture of a patient and a method thereof, and relates to the technical field of intelligent medical treatment. Comprising the following steps of initial posture evaluation and skeleton modeling, gravity center and supporting point distribution calculation, spine curvature and inclination detection, intelligent laser-assisted posture adjustment, dynamic muscle activation feedback monitoring, pelvis and lower limb alignment correction, posture balance prediction and guidance, upper limb posture and shoulder blade stability correction and real-time adjustment of biological feedback driving. And carrying out long-term attitude optimization and habit remodeling, and carrying out system construction based on the method. According to the intelligent positioning system convenient for adjusting the standing posture of the patient and the method thereof, accurate detection, real-time adjustment and long-term optimization of the standing posture problem of the patient are realized by setting and combining multi-modal data acquisition, a dynamic feedback mechanism and biomechanical analysis. The problems of low static evaluation precision, lack of dynamic feedback and poor long-term effect in the prior art are effectively solved.

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 present disclosure relates to the field of artificial limbs for amputees and specifically to a passive compliant wrist unit 210 for upper limb prosthesis. The passive compliant can comprise a plurality of fingers controlled by a compliant four bar mechanism. The arm is capable of extension / flexion, radial / ulnar deviation on application of a force on the snap joint. The limb is also capable of pronation / supination actions. By application of a force on an arm snap joint, the flexible wrist 216 can be adapted to perform extension / flexion, radial / ulnar deviation.

The invention relates to the technical field of medical auxiliary instruments, in particular to a newborn body position fixator of an invasive ventilator. Comprising a mounting rod, hinge rods are hinged to the two ends of the mounting rod, sliding rods are slidably arranged on the hinge rods, connecting rods are hinged to the sliding rods, and the lower ends of the connecting rods slidably penetrate through corresponding lower limb supporting plates and upper limb lifting plates; the telescopic end of the second electric push rod is connected with a connecting frame, and the two sides of the connecting frame are in contact fit with the bottom ends of the connecting rods on the same side. By introducing the lifting mechanism and the limiting mechanism, accurate adjustment and stable fixation of the body position of the newborn are achieved, the two mechanisms can operate independently and can also be used in a combined mode, a surrounding type limiting structure is formed, more stable and reliable support is provided compared with a traditional soft material, body position deviation of the newborn during treatment is prevented, and the treatment effect of the newborn is improved. Therefore, the treatment effect is guaranteed.

According to the technical scheme, the four-limb joint supporting structure comprises an upper supporting part, a lower supporting part and a connecting part, and the upper supporting part and the lower supporting part can be bent to be in an arc surface shape from the two sides and are used for being attached to the upper limb and the lower limb at the joints of a patient; the two ends of the connecting part are connected to the upper supporting part and the lower supporting part respectively and used for being attached to the joint position, and the width of the connecting part is smaller than that of the upper supporting part and that of the lower supporting part so that two grooves can be formed between the connecting part and the upper supporting part and between the connecting part and the lower supporting part. The utility model has the beneficial effects that the connecting part is formed between the upper supporting part and the lower supporting part through the groove, the connecting part is bent and attached to the joint, the generation of a break angle is avoided, the bending can be extremely simplified, no matter whether the material has enough ductility or not, the requirements can be met, the structure is simple, the complexity degree is low, the production process is simple, and the operability is high; the device is suitable for shoulder joints, elbow joints, ankles and the like, and the structural design has certain universality.

The utility model discloses a movable radial artery puncture auxiliary device, and belongs to the technical field of medical equipment. Comprising a movable base which moves under the action of external force, a lifting component installed in the center of the top face of the movable base and an angle adjusting piece installed on the top of the lifting component in the longitudinal direction, the angle adjusting component reciprocates in the longitudinal direction under the action of the lifting component, and the angle adjusting piece has two degrees of freedom. The arm support is transversely placed and installed at the top of the angle adjusting piece, the corrugated support is arranged at the end of the arm support, and a restraint strap is installed at the end, away from the arm support, of the corrugated support. The angle adjusting piece is matched with the corrugated support and medical staff, adjustment is carried out according to the condition of a patient, the success rate of radial artery puncture catheterization and the comfort degree of the patient are increased, the restraint strap is matched, the upper limbs of the patient can be effectively prevented from moving or being not matched during radial artery puncture, operation is easy and convenient, and practicability is high.

The embodiment of the invention discloses a lymphedema identification method and device applied to breast cancer postoperation. A specific embodiment of the method comprises the following steps: constructing an upper limb three-dimensional model according to an acquired upper limb image sequence; performing upper limb state recognition according to the upper limb image sequence and the upper limb three-dimensional model to generate upper limb state information; according to the upper limb state information, the collected chief complaint information, breast cancer operation treatment information corresponding to the to-be-recognized object and a pre-trained lymphedema recognition model, lymphedema recognition information is generated; and in response to the lymphedema identification information, representing that the to-be-identified object has lymphedema, and according to the lymphedema identification information, generating rehabilitation suggestion information corresponding to the to-be-identified object. By means of the implementation mode, the patient after the breast cancer operation can find out the lymphedema of the patient as soon as possible, and the patient can be prevented and treated as soon as possible when the lymphedema occurs.

The invention provides an elbow joint exoskeleton control system based on myoelectricity angle prediction and a use method thereof, the elbow joint exoskeleton control system comprises a dual-channel surface myoelectricity signal acquisition device and an advanced one-step prediction model OSA: the dual-channel surface myoelectricity signal acquisition device acquires myoelectricity signals and provides input data for the system; establishing an advanced one-step prediction model OSA based on a non-linear autoregressive model NARX with exogenous input, performing offline training, and determining a mapping relation between the electromyographic signals and the actions; and realizing online intention estimation and real-time control of the upper limb elbow joint exoskeleton system by using an advanced one-step prediction model OSA. By means of the technical scheme, the electromyographic signals can be detected in real time, the exoskeleton is driven to assist in completing elbow joint flexion and extension movement, neural function reconstruction and motor ability recovery are promoted, and the risk of muscle disuse atrophy is reduced.

The invention discloses an upper limb shoulder joint accurate evaluation and rehabilitation training system and method based on a remote sensor, and is applied to the technical field of rehabilitation medical engineering.The method comprises the steps that original multi-modal data is preprocessed, shoulder joint motion data and voice data are processed in combination with baseline data, and a multi-modal standardized data set is generated; multi-dimensional feature extraction is carried out on the multi-modal standardized data set to generate a feature set, and the feature set comprises time domain features, frequency domain features, nonlinear dynamic features and voice features; on the basis of the feature set, a comprehensive evaluation score of the shoulder joint function is calculated by using a linear and nonlinear combined comprehensive scoring model; inputting the feature set and the comprehensive evaluation score into a pre-trained LSTM time sequence prediction model, predicting a rehabilitation trend and abnormal fluctuation, and generating future score change and rehabilitation inflection point early warning information; and based on the comprehensive evaluation score, the prediction result and multi-modal feature fusion analysis, generating rehabilitation training feedback and adjustment information.

The invention relates to the technical field of medical rehabilitation, in particular to a post-stroke upper limb function recovery training system combined with a vr technology, which comprises a fixed base, and a motor is fixedly connected to the center of an inner cavity of the fixed base. The upper limb rehabilitation training device has the advantages that the angle adjusting and rotating functions are achieved, a personalized training plan can be made according to the specific conditions of a patient, and therefore upper limb rehabilitation training of the patient is more effectively promoted; through cooperative use of a fixed base, a motor, a fixed column, a supporting rod, a fixed sleeve, a rotating rod, an adjusting rod, an electric push rod, a lifting block, a seat and a sliding rod, the rotating and angle adjusting functions of the seat can be achieved, it is ensured that a patient can obtain the best comfort degree and experience feeling in the training process, the angle is flexibly adjusted through the seat, and the training efficiency is improved. A patient can experience a more real training scene in an immersive manner, and the brain is stimulated to generate strong neural feedback, so that the movement function recovery of the upper limbs is effectively promoted.

A hip joint adduction and abduction training mechanism (600) is characterized in that an arc-shaped rail (610) is clamped at the lower part of the tail end of a linear guide rail (110), the arc of the arc-shaped rail (610) and a track rotating by taking the tail end of a base as a circle and taking the length of the base as the radius are the same arc line, and meshing teeth (611) are arranged on the inner concave surface of the arc-shaped rail (610); the lower part of the tail end of the linear guide rail (110) is correspondingly connected with a gear which is meshed with the linear guide rail; the gear is provided with a rotatable core shaft (621), two adduction and abduction training pull ropes (630) are connected to the two sides of the core shaft respectively, or only one adduction and abduction training pull rope (630) is fixedly connected to the two sides of the core shaft in a penetrating mode and then extends to the two sides of the head end of the base along the linear guide rail to be detachably fixed so that the upper limbs of a trainee can be pulled. According to the utility model, a patient can carry out multi-degree-of-freedom, passive, power-assisted, active and other multi-mode integrated training as soon as possible when the patient is in a lying position, so that the adduction and abduction radian can reach 45 degrees, and the early rehabilitation of the patient is effectively promoted.

To provide a motion analysis device that can be used for evaluating a motor function or motion disorder.SOLUTION: A motion analysis device (20) includes elbow flexure ratio calculation means (222) for calculating an elbow flexure ratio of an upper limb in elevation exercise which is expressed by an expression (1) or an expression (2) from respective three-dimensional coordinate data of the shoulder, elbow, and hand of a person to be evaluated when the person to be evaluated is in upper limb elevation exercise. In the expression (2), SH represents a vector from the shoulder to the hand, SE represents a vector from the shoulder to the elbow, and EH represents a vector from the elbow to the hand.SELECTED DRAWING: Figure 1

The invention discloses an upper limb power assisting device and a power assisting control method. The upper limb power assisting device comprises a sensing system, a power module, a trunk module, an arm module, a sling system and a main control module. The sensing system comprises an inclinometer and an angle sensor, and the inclinometer is arranged on the trunk module; the angle sensor is arranged on the power module; the power module comprises a shoulder power module, and the shoulder power module comprises a shoulder power base and a shoulder power output disc rotationally connected with the shoulder power base; the trunk modules are arranged on the two sides of the human trunk and fixed to the human trunk. The front end of the arm module is in transmission connection with the sling system, and the sling system is used for assisting in lifting the palm or the weight of the human body. According to the power-assisted control method, the intention of raising or lowering the arm of the wearer is sensed through the sensing system, so that the control is more sensitive, the action is more stable, shaking is avoided, and the universality is good. The method is simple and easy to use, and conforms to natural action habits; the sensing system is light, thin, small, low in cost and small in influence on an existing mechanism of the system.

The invention discloses an upper limb exoskeleton on-demand auxiliary intelligent control method based on multi-index optimization and multi-mode, and the method employs an inner and outer ring force position mixed control structure based on an admittance model, an outer ring combines the three indexes of a task tracking error, patient muscle force and a rehabilitation training task period, the exercise ability of a patient is evaluated on the basis of a multi-index energy function, dynamic switching among a passive mode, an auxiliary mode and an anti-resistance mode of the upper limb exoskeleton co-fusion system is achieved, online self-adaptive adjustment of the auxiliary force level and the rehabilitation training track is achieved on the basis of fuzzy logic, and the method can adapt to rehabilitation patients with different exercise abilities. And the inner ring carries out trajectory tracking control on the ideal tracking trajectory position of the upper limb exoskeleton system obtained by the admittance model through a model-barrier-free Lyapunov control method based on quasi-time delay estimation. A simulation result verifies that the method can effectively improve the active participation degree of the patient in the rehabilitation training process, and shows good on-demand auxiliary ability and application prospects.

The invention discloses an upper limb multi-dimensional exercise trainer which is characterized in that a low-position limiter and a position control and resistance adjustment ball table are connected to a stand column in a sleeving manner, the position of the position control and resistance adjustment ball table on the stand column is adjusted through the low-position limiter, a ball shaft is mounted on the position control and resistance adjustment ball table, a sliding rod is arranged on the ball shaft in a penetrating manner, and an adjustable anti-falling device is arranged on the sliding rod; the sliding rod is connected with a damping rotating sleeve and a lock sleeve, and the lock sleeve is detachably connected with a single handle or an adjustable damping bearing seat; a sliding rod, a ball pair, a universal joint mechanism and a resistance adjusting mechanism are connected with a bearing connector, a damping-adjustable bearing seat is connected with the bearing connector, the bearing connector is connected with a Tai Chi ball or a double-shaft resistance adjusting universal joint, and the double-shaft resistance adjusting universal joint is connected with a Tai Chi wheel or a double-handle bar, and the Tai Chi wheel, the Tai Chi ball, the single-handle bar and the double-handle bar are connected through cooperation of the sliding rod, the ball pair, the universal joint mechanism and the resistance adjusting mechanism and a modular interface. Multi-azimuth and multi-angle movement operation is realized, and the user can realize coordinated actions such as front, back, left, right, turning and the like of the upper limbs and rehabilitation and exercise of multiple muscle groups and multiple joints of the whole body during exercise and rehabilitation activities.

The invention relates to the technical field of electrical equipment maintenance, and discloses an upper limb exoskeleton control method, system and equipment for assisting replacement of an insulator. The method comprises the following steps: acquiring image data of an insulator and a field environment, and acquiring motion vector information according to the image data based on a preset optical flow method; analyzing the motion vector information based on a deep learning algorithm to obtain motion state information of the insulator; based on a dynamic fusion algorithm, according to the motion state information of the insulator and the position information of the upper limb exoskeleton, obtaining adjustment motion parameters of the upper limb exoskeleton; and issuing a control instruction to the upper limb exoskeleton according to the adjusted motion parameters. Dynamic changes of the insulator and the surrounding environment are monitored through the optical flow method, the insulator in motion is accurately recognized and analyzed in combination with deep learning analysis, the motion trail of the upper limb exoskeleton can be adjusted in time, it is ensured that the upper limb exoskeleton stably and accurately tracks and operates the insulator, the physical burden of operators is relieved, and the working efficiency is improved. And the operation safety and efficiency are improved.

A mirror image upper limb auxiliary rehabilitation device relates to the technical field of medical equipment, and comprises an uninjured side exoskeleton, an uninjured side control chip and a plurality of uninjured side sensors, the uninjured side sensors are used for collecting motion signals of different parts of an uninjured side upper limb, the uninjured side control chip obtains the posture of the uninjured side upper limb according to the motion signals, and the uninjured side exoskeleton is connected with the uninjured side control chip; transmitting to an external rehabilitation platform and carrying out mirror image copying; the affected side exoskeleton is provided with an affected side control chip, a driving part and a plurality of myoelectricity sensors, the affected side control chip receives the mirror image posture of the uninjured side exoskeleton and controls the driving part to drive the affected side upper limb to follow the uninjured side upper limb in real time to achieve the mirror image posture, and the myoelectricity sensors collect myoelectricity signals of different muscle groups of the affected side upper limb in real time; transmitting to an external rehabilitation platform; and the connecting part can be worn on the patient and is used for connecting the uninjured side exoskeleton and the affected side exoskeleton. The posture can be adjusted in real time according to different conditions of the patient at any time, self perception of the patient is achieved, and the rehabilitation comfort is improved.

The invention discloses a compact mining whole-body power-assisted exoskeleton robot with an anti-explosion shell and a posture monitoring function, and relates to the technical field of operation robots, the compact mining whole-body power-assisted exoskeleton robot comprises a trunk wearing assembly, two driving upper limb assemblies, two driving lower limb assemblies, a flexible connecting frame and a posture detection assembly; the two upper limb driving assemblies are connected with the trunk wearing assembly, and shoulder supporting structures are installed at the positions, close to the trunk wearing assembly, of the two upper limb driving assemblies. The flexible connecting frame can be bent and deformed; the two driving lower limb assemblies are connected with the trunk wearing assembly through a flexible connecting frame; the upper limb driving assembly and the lower limb driving assembly can be quickly connected and matched; the driving upper limb assembly can also be quickly connected and matched with an external execution tool; the posture detection assembly is used for detecting motion postures of the upper limb driving assembly and the lower limb driving assembly. According to the exoskeleton robot, the stooping operation comfort can be improved, various kinds of work assistance can be achieved, and the adaptability is better.

The invention provides a plastic upper limb enhancing and fixing splint, and belongs to the technical field of medical instruments. Comprising a clamping plate body, a manual breaking opening is formed in the bottom of the clamping plate body, the two ends of the clamping plate body are a wrist end and an elbow end respectively, the diameter of the elbow end is larger than that of the wrist end, the elbow end is sleeved with a mounting sleeve frame of an annular structure, and the cross section of the mounting sleeve frame is of a convex structure. By arranging the extrusion massage piece, when an expansion air bag is used for the first time, medical personnel need to manually press a pressurization air bag to inflate the expansion air bag, in the inflation process, one-way valves on two air inlet pipes need to be manually opened, and one-way valves on an air outlet pipe need to be manually closed, and at the moment, the medical personnel need to manually press the pressurization air bag to inflate the expansion air bag; the pressurizing air bag can inflate the expansion air bag when the medical staff manually presses the extrusion elastic piece, and the expansion air bag is inflated to the comfortable expansion degree of the patient.