53 results about "Limb joint" patented technology

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.

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 invention relates to the technical field of sports protection, in particular to an intelligent protection system for lower limb joints in sports. Comprising a mounting bandage, a wearing support plate, a controller, an attitude sensor and a joint angle sensor, a driving device is arranged on the wearable supporting plate; the controller is arranged on the wearable supporting plate and comprises a data calculation module used for calculating and analyzing data of the attitude sensor and the joint angle sensor and recognizing abnormal signs of a wearer; the emergency warning module is used for sending warning information when abnormal signs are recognized; the alarm module is used for carrying out alarm processing when the warning information is sent out and measures cannot be taken within a preset time; the motion recognition module is used for recognizing the motion type of the wearer through the attitude sensor, generating a wearable supporting plate rigidity control signal according to the joint risk of the motion type, and adjusting the rigidity of the wearable supporting plate through the driving device. According to the technical scheme, the injury risk of lower limb joints in movement can be effectively reduced.

The invention provides a control system and method of a flexible shoulder and elbow joint rehabilitation robot, and relates to the technical field of rehabilitation robot control, the control system comprises an upper limb joint driver, an upper limb joint attitude sensor, an air pressure sensor, a pneumatic unit and a control unit, the upper limb joint attitude sensor is used for collecting attitude parameters of upper limb joints of a user; the air pressure sensor is used for collecting a pressure feedback value of the upper limb joint driver; the control unit is used for resolving the attitude parameters to obtain the spatial position and the bending angle of the upper limb joint, inputting the spatial position into a torque calculation model to obtain the power-assisted torque required by the upper limb joint, and inputting the power-assisted torque and the bending angle into a driver mathematical model to convert the power-assisted torque and the bending angle into a target pressure value of the upper limb joint; and controlling the pneumatic unit to execute a preset control strategy according to the target pressure value and the pressure feedback value. Therefore, the auxiliary torque provided by the upper limb joint driver can be accurately adjusted, and the control process is simple and convenient.

The utility model discloses a joint torque measuring device, which comprises a base provided with a slide rail and used for bearing a force measuring unit and abutting against a static limb joint of a joint to be measured; the force measuring unit is mounted on the sliding rail in a sliding manner and is used for receiving and measuring the acting force of a movable limb joint of the joint to be measured; and the displacement measuring unit is arranged on the base and is used for measuring the displacement of the force measuring unit. The device can be used for measuring torques of joints of all positions of a human body, such as joints of upper and lower limbs or fingers, the muscle strength and motion function conditions of the joints can be evaluated only by adjusting the sizes of all parts of the device to be matched with the sizes of the corresponding joints and limbs, and basis is provided for formulation and adjustment of rehabilitation treatment when the device is applied to the rehabilitation treatment; accordingly, a corresponding rehabilitation training scheme is designed, and the patient is helped to recover muscle strength and motion functions.

The invention provides a bionic lower limb robot artificial limb test system and method. The system comprises a humanoid robot test main body, a load module, a support module and a data acquisition module, the humanoid robot testing main body at least comprises human lower limb joints and is used for simulating human lower limb walking; the human body lower limb joint comprises at least one of a knee joint, an ankle joint and a foot modularization, and at least part of the human body lower limb joint can be replaced by an artificial limb to-be-tested unit, so that the humanoid robot test main body can drive the artificial limb to-be-tested unit to carry out a walking test; the load module is arranged on the humanoid robot test main body and is used for providing a target load for the artificial limb to-be-tested unit; the supporting module is used for providing a walking road on which the humanoid robot testing main body can carry out a walking test; the data acquisition module is used for monitoring test parameters when the artificial limb to-be-tested unit is subjected to a walking test. According to the invention, a real use scene can be simulated, and accurate detection of the multi-dimensional performance of the artificial limb can be realized.

The invention relates to a joint angle prediction method and device, wearable lower limb exoskeleton equipment and electronic equipment, and relates to the technical field of exoskeleton equipment control. The method comprises the following steps: acquiring an electromyographic signal when a user walks by wearing the wearable lower limb exoskeleton equipment; classifying the electromyographic signals according to an electromyographic signal classification model, and determining a first electromyographic signal associated with the knee joint and a second electromyographic signal associated with the ankle joint; inputting the first electromyographic signal and the second electromyographic signal into a joint angle prediction model, and determining a joint angle of a knee joint and a joint angle of an ankle joint; wherein the wearable lower limb exoskeleton equipment performs joint control according to the joint angle of the knee joint and the joint angle of the ankle joint. Therefore, the electromyographic signals are disassembled into the signals related to all the lower limb joints, then the joint angles of all the lower limb joints are predicted through the signals related to all the lower limb joints, and therefore the joint angle prediction accuracy is improved.

The utility model discloses a visual interventional therapy operation support for lower limb joints, and belongs to the technical field of adjuvant therapy. The device comprises a support frame; the first telescopic frame is rotationally installed on the supporting frame, the two telescopic frames are rotationally connected, the second telescopic frame is rotationally provided with a sliding block, and the sliding block is installed on the supporting frame in a sliding mode; the foot support is mounted on the second telescopic frame; the first fixing piece is installed on the supporting frame. The lower limbs of a patient are placed above the two telescopic frames, and the angle formed between the two telescopic frames is adjusted, so that the supporting angle between the shanks and the thighs of the patient is adjusted. Through the telescopic function between the telescopic frames, the device can adapt to patients with different lower limb sizes. The lower limbs of a patient can achieve standard treatment body position fixation, the adjusting process is simple and convenient to operate, the patient has good comfort and experience feeling, the requirement for visual guide body position placement and fixation of all joints of the lower limbs is met, and medical humanistic care is embodied.

The invention relates to a self-adaptive limb movement control system which comprises a limb joint active and passive movement device used for driving limb joints to generate angle changes; the motion planning module is used for determining a target angle and a target moment corresponding to limb joint motion based on current angle change, current moment change, maximum angle change and maximum moment change generated when the limb joints are driven to move, and controlling the limb joints to move based on the target angle and the target moment; wherein the step of controlling the limb joint to move on the basis of the target moment comprises the following steps: determining active moment change generated when the limb joint actively exerts force on the basis of the current moment change; in response to the fact that the active torque change is larger than a preset resistance value, operation parameters of the power unit are adjusted on the basis of the torque change so as to control the power unit to drive the limb joints to conduct resistance movement, and the operation parameters comprise the rotating speed and / or the direction.

The invention discloses a lower limb joint flexible traction rehabilitation device, and relates to the technical field of lower limb joint rehabilitation physiotherapy equipment. Comprising a leg traction mechanism and a thigh traction mechanism which are fixedly placed on the ground, the leg traction mechanism is arranged close to the right front of the thigh traction mechanism, and the thigh traction mechanism can conduct stretching and bending action training on the hip joint of a patient and conduct lower limb strength rehabilitation training on the patient at the same time. A rail adjusting assembly and a sliding assembly of the leg traction mechanism are in sliding fit, so that the lower limbs of the patient do reciprocating curvilinear motion along the arc-shaped track of an arc-shaped sliding rail plate, the stretching and bending motion range of the lower limb joints of the patient can be greatly increased, and therefore the lower limb joints of the patient can be effectively exercised; the leg traction mechanism can achieve abduction and adduction action training of the hip joint of the lower limb of the patient, and the thigh traction mechanism can achieve stretching and bending action training of the hip joint of the lower limb of the patient, so that the hip joint of the patient obtains multi-aspect action training.

The utility model provides a limb joint function exercise assist device which comprises a supporting frame, a lying plate fixedly arranged on the supporting frame and a lower limb flexion and extension assembly movably arranged on the supporting frame. The lower limb flexion and extension assembly comprises a connecting rod, an elastic band and two rolling wheels, two pedals are movably arranged on the connecting rod, the elastic band is connected with the connecting rod and the lying plate, and the two rolling wheels are arranged at the two ends of the connecting rod in a sleeving mode respectively and arranged on the supporting frame in a rolling mode. According to the auxiliary device, a patient with mobility difficulty can exercise in a lying mode, multiple joints can be exercised at the same time, the exercise efficiency can be improved, and the applicability of the auxiliary device can be improved.

The invention provides an upper limb joint rehabilitation device, and relates to the technical field of medical instruments, and the upper limb joint rehabilitation device comprises a finger joint rehabilitation device which comprises a finger joint driving mechanism and a finger joint resetting mechanism; the wrist joint rehabilitation device comprises a wrist joint driving mechanism and a wrist joint resetting mechanism; the elbow joint rehabilitation device comprises an elbow joint driving mechanism and an elbow joint resetting mechanism; the shoulder joint rehabilitation device comprises an upper arm transverse swinging mechanism and an upper arm vertical swinging mechanism; the base is fixed to the side, close to the corresponding upper limb, of the body of the patient, the shoulder joint rehabilitation device is arranged on the base, and the shoulder joint rehabilitation device, the elbow joint rehabilitation device, the wrist joint rehabilitation device and the finger joint rehabilitation device are sequentially connected. The invention provides an upper limb joint rehabilitation device which is simple, light and convenient to popularize.

The lower limb joint loosening equipment comprises a trunk plate, one end of the trunk plate is rotationally connected with two thigh plates, the ends, away from the trunk plate, of the thigh plates are rotationally connected with shank plates, and thigh sliding plate units are installed at the tops of the thigh plates in a sliding mode; a shank sliding plate unit and an ankle joint sliding plate unit are slidably mounted at the top of the shank plate, the shank sliding plate unit is located between the thigh sliding plate unit and the ankle joint sliding plate unit, and a second angle adjusting assembly is mounted between the trunk plate and the bottom of the thigh plate; according to the principle of joint loosening, mechanical force acts on joints in multiple directions, the joints are separated through axial force, the traction requirement of three large joints of the two lower limbs can be met, operation is easy, operation is convenient, and operation is convenient. The technical difficulty and physical output of lower limb joint loosening techniques can be reduced, and the practicability is high.

The technical scheme of the present application provides a kind of limbs joint support structure, including upper support part, lower support part and link part, the upper support part and the lower support part can be bent to arc surface shape from both sides, for fitting to the upper limbs and lower limbs at the joint of patient;Two ends of the link part are connected to the upper support part and the lower support part respectively, for fitting to joint position, the width of the link part is less than the upper support part and the lower support part, so that two grooves are formed between the link part and the upper support part and the lower support part.The beneficial effects of the present application form a link part between the upper support part and the lower support part through the groove, the link part is bent and fitted to the joint, avoiding the generation of corner, when bending, it can be simplified, whether the material has enough ductility or not, it can meet the requirements, the structure is simple, the complexity is low, and the production process is simple, the operability is high;Shoulder joint, elbow joint, ankle and other parts are applicable, and the structure design has certain universality.

This invention provides a biomimetic lower limb robot prosthesis testing system and method, comprising: a humanoid robot testing body, a load module, a support module, and a data acquisition module; the humanoid robot testing body includes at least human lower limb joints for simulating human lower limb walking; the human lower limb joints include at least one of a knee joint, an ankle joint, and a foot module, and at least a portion of the human lower limb joints can be replaced with a prosthesis test unit, enabling the humanoid robot testing body to drive the prosthesis test unit for walking tests; the load module is disposed on the humanoid robot testing body for providing a target load to the prosthesis test unit; the support module provides a walking path for the humanoid robot testing body to perform walking tests; and the data acquisition module monitors the test parameters of the prosthesis test unit during walking tests. This invention can simulate real-world usage scenarios and achieve accurate testing of multi-dimensional prostheses.

The invention relates to the technical field of joint passive restorers, in particular to an upper limb joint passive restorer, according to the technical scheme, the upper limb joint passive restorer comprises a base, a rehabilitation assembly, a fixing assembly and a bandage assembly, two supporting pads are mounted on the two sides of the bottom of the base through threaded structures, and an electrical box is fixedly mounted at the position, close to the front face, of the top of the base; a fixing assembly is fixedly installed on one side of the top of the base and comprises a supporting frame. A rehabilitation assembly is fixedly installed on the other side of the top of the base and comprises a bearing plate. The palm rest is installed on one side of the rotating shaft, so that when a user conducts joint passive recovery exercise, the user can conduct rotation exercise of the forearm autonomously, arm muscles are pulled while the forearm is rotated, and compared with a traditional joint recovery device, the exercise effect can be further improved, the exercise range can be expanded, and the user experience is improved. The practicability of the joint passive restorer is improved, and the functionality of the device is increased.

The invention discloses a joint torque measuring device and method, and the device comprises a base which is provided with a sliding rail and is used for bearing a force measuring unit and a static limb joint which abuts against a to-be-measured joint; the force measuring unit is mounted on the sliding rail in a sliding manner and is used for receiving and measuring the acting force of a movable limb joint of the joint to be measured; and the displacement measuring unit is arranged on the base and is used for measuring the displacement of the force measuring unit. The device can be used for measuring torques of joints of all positions of a human body, such as joints of upper and lower limbs or fingers, the muscle strength and motion function conditions of the joints can be evaluated only by adjusting the sizes of all parts of the device to be matched with the sizes of the corresponding joints and limbs, and a basis is provided for formulation and adjustment of rehabilitation treatment when the device is applied to rehabilitation treatment; accordingly, a corresponding rehabilitation training scheme is designed, and the patient is helped to recover muscle strength and motion functions.

This invention discloses a variable stiffness lower limb exoskeleton robot based on a dielectric elastomer. The exoskeleton robot includes a lumbar support beam, two hip joint modules, two knee joint modules, and two ankle joint modules. A hip joint module is located at each end of the lumbar support beam. The lower ends of the hip joint modules are connected to the knee joint modules via hip joint connectors, and the lower ends of the knee joint modules are connected to the ankle joint modules via calf adjustment plates. This invention utilizes a novel driving principle based on dielectric elastomers, which are lightweight, have high energy density, and fast response speed, thus improving the exoskeleton robot's mobility. Based on the motion mechanism of human lower limb joints, the functions of each joint in the lower limb exoskeleton robot are optimized, enhancing its motion assistance performance. This invention can be well applied to lower limb medical rehabilitation, assisting hemiplegic patients in completing walking training, and has significant practical value.

The invention provides an intelligent anti-falling system based on multi-mode perception, and relates to the technical field of medical monitoring, a mattress is firstly divided into a back area, a middle area and a leg area, a pressure monitoring threshold value is set, and the pressure of each area, a user state and an electromyographic signal are obtained; when the pressure of each area is greater than a monitoring threshold value, the pressure of the middle area is maximum and the user is identified to be awake for the first time, entering an on-bed preparation period, analyzing whether the lower limb joint movement is completed or not during the period, ending the period and counting the duration when the pressure of the back and leg areas is less than the threshold value and the pressure of the middle area is greater than the threshold value, and judging to enter a bedside adaptation period; during the period, whether neck rotation, natural drooping of the two feet and stretching of the upper limbs are completed or not is judged, when the pressure of each area is smaller than a threshold value, the period is ended, the duration is counted, then when it is confirmed that the two feet stand front and back through knee coordinates, the standing stable period is started, and the duration of the period, the synchronous broadcasting duration and the corresponding action conditions are counted.

The utility model discloses an artificial limb joint and an artificial limb, the artificial limb joint comprises an upper joint and a lower joint, the upper joint is hinged with the lower joint; an opening is formed in the rear portion of the lower joint in the length direction of the lower joint, a reinforcing plate is arranged in the opening, and the reinforcing plate is connected with the inner walls of the two sides of the lower joint in the width direction. According to the embodiment of the utility model, the two side walls of the lower joint are connected and supported through the reinforcing plate arranged in the opening at the rear part of the artificial limb joint, so that the torsional strength of the artificial limb joint can be obviously enhanced, the artificial limb joint is not easy to deform in the use process, and the service life of the artificial limb joint is further prolonged.

The invention belongs to the technical field of knee joint arbor treatment equipment, and particularly relates to a knee joint force line appliance which comprises a body and a pressure mechanism, the body comprises a main body supporting frame, a thigh binding assembly and a shank binding assembly, and the thigh binding assembly and the shank binding assembly are in sliding connection with the main body supporting frame; after sliding in place, the main body supporting frame is fixed, and then the main body supporting frame is bound to the thigh and the shank respectively; the pressure mechanism is located between the thigh binding assembly and the shank binding assembly, and the pressure mechanism applies adjustable pressure to the key position of a force line to adjust the form of the force line of the lower limb joint, reduce and improve the development speed of gonitis lesion and reduce knee joint pain. Gradient pressure is applied to the outer side, the lower limb force line is guided to be corrected towards the outer side, and joint load redistribution is achieved. The structure of the device adopts an arc-shaped fitting design conforming to ergonomics, and it is ensured that a pressure acting point is accurately located at a key position of a knee joint force line.

A squatting bionic device of a human lower-limb joint is provided. In the squatting bionic device, a vertical support plate is provided on the device with a sliding table, which is driven by a first motor to slide up and down in a height direction of the vertical support plate or to be fixed on the vertical support plate. A horizontal fixed shaft is fixed on the sliding table. The middle of the fixed shaft is connected with a femoral shaft through a first universal joint. A lower end of the femoral shaft is fixedly connected with a lower femur simulation block. A wire rope is wound around a rotation shaft of a second motor fixed on a base. One end of the wire rope is fixed on the rotation shaft of the second motor, and the other end thereof extends upwards.

The utility model relates to the technical field of rehabilitation training and discloses a lower limb rehabilitation training device which comprises a shell and a training support, the training support comprises a thigh supporting frame, a shank supporting frame, a foot supporting frame and a supporting arm, one end of the thigh supporting frame is rotationally installed on one side of the shell, and the other end of the shank supporting frame is rotationally installed on the other side of the shell. The thigh supporting frame is rotationally installed on one side of the shell, the foot supporting frame is rotationally installed on the other side of the shell through a supporting arm, the thigh supporting frame is connected with the foot supporting frame through the shank supporting frame, the two ends of the shank supporting frame are rotationally connected with the thigh supporting frame and the foot supporting frame respectively, a driving mechanism is installed in the shell, and the training support is driven by the driving mechanism to act. The lower limbs of a patient can be automatically bent and stretched under the driving action of the first motor by simulating the movement of the lower limb joints of the human body, the situation that the lower limbs of the patient exert force independently is avoided, inconvenience caused by too small or too large force exertion is prevented, the actual rehabilitation training effect can be improved, and the rehabilitation training device has wide market prospects.

The invention relates to the technical field of rehabilitation equipment, in particular to a limb joint rehabilitation apparatus which comprises a support, a leg frame is hinged to the top of the support, a guide sliding rail with an opening in the bottom is fixedly connected to the top of the leg frame, a guide sliding block is slidably connected into the guide sliding rail, and a follow-up sliding table is fixedly connected to the bottom of the guide sliding block. One end of the follow-up sliding table is symmetrically and rotationally connected with a three-point bracket, rod type sliding seats penetrate through three tail ends of the three-point bracket, massage balls are spherically hinged to the tops of the rod type sliding seats, the bottom of the leg frame is fixedly connected with a foot stand, one end of the foot stand is provided with a foot support, and the middle section of the foot support is hinged to the foot stand; the top of the leg frame is symmetrically and rotationally connected with first leg supports. When the rehabilitation assembly drives the foot support to simulate ankle flexion and extension movement and carry out joint motion range training, the transmission assembly can synchronously drive the follow-up sliding table to move, the follow-up assembly further drives the massage balls to carry out rolling massage on the shanks, and a mode of synchronously carrying out training and nursing is formed.

The lower limb joint direct-drive type load-bearing exoskeleton robot comprises a back assembly, a waist assembly, thigh and shank assemblies and ankle joint and foot assemblies, the waist assembly comprises a waist tripod, hip joint shafts and hip joint connecting rods, and the hip joint connecting rods and the waist tripod are in bearing connection through the hip joint shafts to form rotating pairs; the back component is connected with the waist component; the thigh and shank assembly comprises a hip joint motor module, a thigh rod, a knee joint motor module and a shank rod, the thigh rod is rotationally connected with the hip joint motor module, the shank rod is rotationally connected with the knee joint motor module, and the hip joint motor module is connected with the hip joint connecting rod; the ankle joint and foot assembly comprises a shank ankle joint connecting rod, an ankle joint sole connecting piece and a sole metal connecting piece, the shank ankle joint connecting rod and the ankle joint sole connecting piece are connected to form a rotating pair, and the shank ankle joint connecting piece is connected with the shank rod. And the flexibility and the degree of freedom of the robot are improved.

The invention discloses a temperature-adjustable and temperature-controllable pain relieving device for four-limb joints, and relates to the technical field of medical devices. The temperature-adjustable and temperature-controllable pain relieving device for the four-limb joints comprises an equipment shell, the joint adjusting assemblies are mounted on the left side and the right side of the equipment shell through screws; the binding rope is mounted on the outer side of the joint adjusting assembly through the positioning bulge; the controllable joint relieving structure is arranged in the equipment shell and extends to the outer side; the controllable joint relieving structure comprises a worm driving assembly which is installed on the top of the equipment shell and extends to the inner side; and the gear structure is in meshed connection with the worm driving assembly and is movably arranged in the equipment shell. According to the invention, the painful joint part of the patient can be automatically massaged, which is simple and convenient. Meanwhile, it can be guaranteed that heat is transmitted into the joints of the patient during massage, the capacity and effect of relieving the joints of the patient are improved, and the heat used for relieving joint pain is more easily transmitted into the joints of the patient.

This invention discloses a method and system for predicting lower limb joint angles, comprising the following steps: collecting first original joint angle time series from multiple healthy test subjects continuously performing various typical movements; collecting second original joint angle time series from multiple healthy test subjects performing any type of typical movement; standardizing the first original joint angle time series to obtain standard samples, wherein a portion of the standard samples constitutes the training set, and the remaining standard samples serve as the first samples; standardizing the second original joint angle time series to obtain second samples; using both the first and second samples as test samples, and all test samples constitute the test set. This invention can effectively improve the prediction accuracy and real-time computation efficiency of the prediction model, and enhances the cross-scene adaptability of the prediction model while ensuring prediction accuracy, facilitating practical use.

The paralyzed limb joint rehabilitation treatment equipment comprises an ankle fixing assembly, a stretching assembly is arranged on one side of the ankle fixing assembly, and a stretching belt is arranged at the position, located at one end of the ankle fixing assembly, of the bottom end of the stretching assembly; wherein the stretching assembly is fixed to an external support and is perpendicular to the ankle fixing assembly, the ankle of a patient is placed on the ankle fixing assembly, then the stretching belt is fixed to the ankle of the patient, the stretching assembly operates to drive the stretching belt to move back and forth, and therefore the ankle of the patient is driven to move and exercise. Traditional manual exercise is replaced with the stretching assembly of a mechanical structure, stable and consistent exercise frequency, strength and duration can be provided, the stability and reliability of the rehabilitation effect are guaranteed, the ankle of a patient can be sufficiently and accurately exercised through cooperation of the ankle fixing assembly and the stretching belt, and the rehabilitation effect is improved. The defects of manual exercise are effectively overcome, and the exercise effect is remarkably improved.

The telescopic clamping plate is at least formed by connecting a clamping plate module A, a clamping plate module B, a clamping plate module C and a clamping plate module D in a sliding mode, the clamping plate module A, the clamping plate module B, the clamping plate module C and the clamping plate module D are limited through a ratchet wheel assembly so that the length of the clamping plate module can be matched with an upper limb joint and a lower limb joint, and the clamping plate module A, the clamping plate module B, the clamping plate module C and the clamping plate module D are sequentially arranged in the length direction of the joints. Wherein the splint module A is located at the foremost end of the whole telescopic splint, the splint module A is in an arc shape and used for fixing upper limbs, and the tail end of the splint module A is provided with an arc hook-shaped structure used for being attached to an elbow or an ankle; the clamping plate module B is located between the clamping plate module A and the clamping plate module C. The clamping plate module B and the clamping plate module C are consistent in structure, and the clamping plate module D is located at the tail end of the whole telescopic clamping plate. The splint disclosed by the invention not only can ensure that the limbs of the wounded can be quickly fixed in the first-aid process, but also has better plasticity, stability and operability in use, and the first-aid efficiency can be greatly improved.

This invention relates to the field of orthopedic medical device technology, specifically to a joint protector for orthopedic joint correction and rehabilitation, solving the problem that joint protectors cannot provide comprehensive protection for joints and joint skin. It includes a fixed ring, a rotating ring, a support bar, and a spliced ​​ring. There are two fixed rings, each with a circular array of slots on its outer side. A first limiting hole is provided within each fixed ring. An auxiliary ring is integrally formed at the ends of the two fixed rings that are far apart from each other. There are two rotating rings, each rotating within the ends of the two fixed rings that are close to each other. A second limiting hole is provided within each rotating ring. This invention can be worn over a limb joint, providing comprehensive protection using the support bar and fixed rings without adhering to the limb skin, thus avoiding friction. Furthermore, the deformation of the support bar allows the device to adapt to different bending angles of the limb.