42 results about "Limb joint" patented technology

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 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 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 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.

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.

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.

The invention discloses a skeleton robot based on a pneumatic driver, and belongs to the technical field of robots. The robot is mainly composed of a double-upper-limb joint system, a waist joint system, a double-lower-limb joint system, various driving parts, connecting parts and fixing parts, and simulation of human body joint movement is achieved by adopting a cooperative driving mode of a pneumatic tendon, a rotary lifting module, a swing air cylinder, a motor and a sliding table electric cylinder. Wherein the waist joint is independently driven by a plurality of pneumatic tendon muscle groups or is driven by a combination of the pneumatic tendon muscle groups and a motor; the hip joint and the knee joint are driven by the rotary lifting module; the ankle joint is jointly driven by the rotary lifting module and the oscillating cylinder; the shoulder joint is driven by the combination of a sliding table electric cylinder and a motor; the elbow joint is driven by a combination of a pneumatic tendon and a motor; and the paws are driven by a plurality of pneumatic tendons. The robot has the advantages of being large in motion range, high in bearing capacity, multiple in motion freedom degree and capable of achieving linear motion and rotary motion, and can be widely applied to the fields of teaching, exhibition, industrial carrying and the like.

The utility model relates to the field of rehabilitation exercise equipment, in particular to a lower limb joint ankle pump movement auxiliary rehabilitation exercise device which comprises a bottom plate, a left foot plate and a right foot plate are fixedly installed between the middle of the top face of the bottom plate and the two sides of the top face of the bottom plate respectively, and a micro pump is fixedly installed in the middle of the top face of the bottom plate. A first air pipe led out of the micro pump is connected with the left foot plate, a second air pipe led out of the micro pump is connected with the right foot plate, a switch is fixedly installed on the top face of the micro pump, and a left clamping plate device and a right clamping plate device are fixedly installed on the two sides of the bottom face of the bottom plate respectively and fixedly connected with the bottom face of the bottom plate through screws respectively. When the device is used, the device can be clamped on the two sides of a sickbed through the left clamping plate device and the right clamping plate device, the device is fixed to the bed, when auxiliary rehabilitation training is carried out, the device cannot shake due to operation of the pump, the left foot plate and the right foot plate can move through the micro pump, and rehabilitation training can be carried out on the left foot plate and the right foot plate.

The invention discloses a lower limb joint angle prediction method and system, and the method comprises the following steps: collecting a first original joint angle time sequence in the process that a plurality of health testers continuously complete a plurality of typical motions, and collecting a second original joint angle time sequence in the process that a plurality of health testers complete any typical motion; standardization processing is conducted on the first original joint angle time sequence, standard samples are obtained, part of the standard samples form a training set, and the remaining standard samples serve as first samples; standardizing the second original joint angle time sequence to obtain a second sample; and taking the first sample and the second sample as test samples, and forming a test set by all the test samples. According to the method, the prediction precision and the real-time calculation efficiency of the prediction model can be effectively improved, the cross-scene adaptability of the prediction model is improved on the premise of ensuring the prediction precision, and actual use is facilitated.

The invention provides a length-adjustable aviation lifesaving dummy for a wading test, and relates to the technical field of wading tests, the length-adjustable aviation lifesaving dummy comprises a head cover bone, the top of the head cover bone is fixedly provided with a wireless charging pile; a control box is erected at the bottom of the head cover framework; a connecting rod is fixedly erected on the rear side of the bottom of the head cover bone; a clavicle beam is fixedly arranged at the bottom of the connecting rod; an H-shaped frame is fixedly arranged at the front end of the clavicle beam, and a counterweight barrel is fixedly arranged at the bottom of the H-shaped frame; a row of spine joints connected end to end are fixedly arranged at the bottom of the clavicle beam, and a hipbone beam is hinged to the bottom of the lowest spine joint; parameter adjustment is flexible, the simulation effect is comprehensive, the height is adjusted through the remote control electric cylinder, and the tested skin can be stretched synchronously; the weight can be greatly adjusted by loading and unloading the counterweight through the counterweight barrel; postures are fixed through rotation of parts such as limb joints and a self-locking structure, simulated hands and feet can be assembled, and different human body states can be simulated.

The invention discloses a climbing worker lower limb joint motion prediction method and system based on multi-task learning, terminal equipment and a storage medium, and the method comprises the steps: adding a multi-task learning module between a convolutional neural network and a long-short-term memory network of a joint prediction model, and carrying out the secondary feature extraction of the convolutional features through the multi-task learning module; more accurate data support is provided for subsequent joint motion angle prediction, the joint prediction model can perform joint motion angle prediction on a plurality of joints by using a multi-task learning module, the accuracy of a joint motion angle prediction result is improved, and the joint motion angle prediction accuracy is improved. The problem that in the prior art, a model can only predict the motion angle of a single lower limb joint and cannot comprehensively predict the motion angle of the whole lower limb joint of a human body, mutual influence between the joints is ignored, and then the prediction result of the motion angle of the lower limb joint is low in accuracy is solved.

The invention provides a target dummy with a thermal signal feedback function, which relates to the technical field of target dummies and comprises a dummy main body and a trunk section, the exterior of the trunk section is wrapped with a carbon fiber heating sheet; the inner side of the carbon fiber heating sheet is fixedly connected with a unified connection block; an outer connector is fixedly connected to the outer wall of the unified connection block; heating lines are arranged in the carbon fiber heating sheet; the carbon fiber heating piece wraps the surface of the main position of the dummy body and is matched with the heating line, the heating intensity can be rapidly adjusted according to a control instruction, timely and accurate thermal signal feedback is provided for training, meanwhile, the adjustability of the dummy action is greatly improved through the limb connecting blocks and the elbow connecting blocks, various complex actions can be simulated, and the training efficiency is improved. The training authenticity and diversity are remarkably enhanced, and the problems that a traditional target dummy is limited by inactivity of joints, only can maintain static standing or simple translation actions, and is difficult to present a complex action mode close to an actual combat are solved.

The utility model discloses a multi-purpose body position placing device for lower limb joint surgery, which relates to the technical field of surgical equipment and comprises an operating table, a first lower limb rest stand is movably arranged at one end of the top of the operating table, a second lower limb rest stand is movably connected to one end of the operating table, and a connecting plate is arranged between the first lower limb rest stand and the second lower limb rest stand. Two sets of mounting seats are arranged on the two sides of the outer wall of the operating table, supporting rods are arranged on the outer walls of the mounting seats, a fixing block is arranged between the supporting rods, a rotating rod is arranged at the top of the fixing block, and a foot rest stand is arranged on the outer wall of the rotating rod. The knee joint bending angle of a patient is adjusted by adjusting the first lower limb rest stand and the second lower limb rest stand, then the lower limb rest stands are fixed through the cooperation of the rotary knobs and the lifting rings, and therefore the problem that the lower limb rest stands cannot be fixed in the operation process is solved. The technical problem that the thigh of an affected limb needs to be manually lifted to maintain flexion of the knee joint or fix the knee joint is solved, manpower is saved, and meanwhile operation efficiency is improved.