183 results about "Muscles tension" patented technology

The invention discloses an acupuncture stimulation evaluation method based on multi-physiological signal fusion real-time monitoring, relates to the technical field of acupuncture medical treatment, and aims to accurately judge a phase locking state through correlation analysis of an absolute value of a myoelectricity attenuation slope and a skin temperature phase difference standard deviation, break through the limitation of a single signal dimension and improve the judgment accuracy to 90% or above. A linear prediction model is constructed based on clinical data, and dynamic correction is performed in combination with a compensation coefficient when a beta wave ratio exceeds a standard, so that personalized needle retaining time prediction is realized, and the prediction deviation rate is effectively reduced; when the accumulated phase locking time reaches a predicted value, a needle retaining adjustment instruction is triggered automatically, a'monitoring-prediction-execution 'closed loop is formed, invalid treatment time is shortened by about 15%, and acupuncture operation efficiency is improved; model parameters are corrected in real time through beta wave anomaly monitoring, curative effect deviation caused by muscle tension or nerve imbalance is inhibited, the system false alarm rate is reduced to 3% or below, and robustness is remarkably superior to that of a traditional method.

The invention provides an intelligent control system and method for a massage device, and relates to the technical field of massage devices, and the system comprises an identity authentication module which is used for obtaining the identity authentication information of a target user; the intelligent sensing module is used for sensing the body posture and massage requirements of a target user in real time, including pressure distribution and muscle tension, so as to automatically adjust the massage strength, speed and position parameters of the massage device; and the personalized setting module is used for performing intelligent analysis by using a wolf pack algorithm according to user preferences and historical data, and formulating a massage scheme for a target user, including massage duration, massage intensity upper limit values and massage modes of all parts. By integrating the functions of identity authentication, intelligent induction, personalized setting, execution control, fatigue degree determination, health monitoring and the like, customized, safe and efficient massage service is provided for a user, meanwhile, the health condition is monitored in real time, the user experience is improved, and the user safety is guaranteed.

The invention relates to the technical field of muscle tension non-invasive detection, in particular to a muscle tension detection method, system and device, and the method comprises the steps: obtaining a muscle surface micro-vibration signal through a millimeter wave radar array, generating a time-frequency diagram, extracting characteristic parameters such as a main vibration frequency amplitude, fusing the characteristic values, and outputting a preliminary grade through a pre-training model; the method combines a Hill muscle model to verify deviation, and if the deviation exceeds the limit, reconstructs a muscle three-dimensional model based on a CT image, calculates a radar wave attenuation coefficient for compensation, and outputs a final grade, thereby solving the problems of insufficient traditional detection precision and poor individual difference adaptability, improving the precision and individuation of muscle tension detection, and providing a reliable basis for clinical diagnosis.

The invention relates to the technical field of spine correction, in particular to a spine correction traction force control method and system, and the safety, effectiveness and intelligent level of spine correction treatment are improved. The method comprises the following steps: dividing a spine into at least three sub-regions according to an anatomical structure of the spine; the at least three sub-regions comprise a cervical vertebra region, a thoracic vertebra region and a lumbar vertebra region; performing biomechanical data acquisition on each sub-region to obtain a spine state feature set corresponding to each sub-region; the spine state feature set at least comprises a pressure distribution feature, a bending angle feature and a muscle tension feature; for different sub-regions, inputting the spine state feature set into a corresponding spine correction state evaluation model to obtain a spine correction state score of each sub-region; the anatomical structure and functional importance of the spine are considered, and the comprehensive influence weight of each sub-region is obtained from a preset weight database;

The utility model discloses an adjustable negative pressure vacuum cupping device which comprises a cupping device body, the cupping device body comprises a cupping body, a functional mechanism and a negative pressure meter are arranged, a silica gel ring serves as a carrier of a red light physiotherapy light bar and is tightly attached to the cupping body, warm stimulation of a traditional cupping jar is simulated through red light irradiation, blood circulation is promoted, and muscular tension is relieved. The wiring port is convenient to connect with an external power supply, stable operation of the physical therapy function is ensured, a user can flexibly adjust the therapy mode, the red light physical therapy lamp strips are annularly arranged at equal intervals, uniform and comprehensive irradiation is ensured, and meanwhile, due to the arrangement of the air exhaust head and the negative pressure meter, the therapy effect of the cupping device is improved. A user can quickly extract air in the cup and form required negative pressure, discomfort or safety risks are avoided, the treatment effect and user experience of the cupping device are jointly improved through the settings, and the cupping device is safer, more convenient and more efficient.

The invention relates to the field of neurological rehabilitation medicine teaching instruments, in particular to a device and a system for simulating abnormal muscular tension of a human body, comprising a main body, partitions and a fourth driving device arranged in the main body, the device comprises a main body, a partition arranged in the main body, a first driving device arranged in the partition, a second driving device arranged in the partition and a third driving device arranged in the partition, and the main body and the partition are connected and used for simulating the upper body and arms of a human body. The first driving device, the second driving device, the third driving device and the fourth driving device are sequentially and rotatably connected, so that the problem that an existing human body muscle tension testing device still cannot meet the training requirement of dynamic muscle tension characteristics in the actual use process is solved; and a measured value is higher than a true value due to the fact that the movement of the component is not supported by the auxiliary support during detection.

The invention discloses a multi-modal fusion muscular tension dynamic assessment method and system, relates to the technical field of biological dynamic assessment, and is used for solving the problem that muscle activity grade classification errors are increased due to dependence on single surface myoelectricity or joint angle sensor data. Joint angle variation, resistance variation and force feedback intensity are extracted, an evaluation mechanism is constructed in combination with region division and historical threshold values, and muscle activity evaluation levels are calculated; and comparing a preset threshold value to identify a flexibility level, entering a resistance evaluation mechanism when a condition is met, analyzing a muscular tension change trend in resistance data, completing dynamic refined judgment of a flexible state, realizing staged, regionalized and trended fusion evaluation, and improving muscular tension state identification and flexibility level judgment precision.

The invention discloses a device with a function of relieving pain after hepatobiliary surgery, which comprises a waistband body, two ends of the waistband body are movably sleeved with an adjusting frame, two end faces of the adjusting frame are respectively provided with massage grooves, the front side surface of the adjusting frame is fixedly provided with a massage assembly, and the rear side surface of the adjusting frame is pasted with a disposable auxiliary assembly. A cold compress mesh belt is arranged at the position, between the two adjusting frames, of the waistband body, and a cold compress assembly is fixedly installed on the surface of the cold compress mesh belt; the device can be used for cold compress, massage and traditional Chinese medicine hot compress on the surgical site at the same time, pain and swelling are relieved at the same time, blood circulation is promoted, muscular tension is relieved, and the comfort of a patient is improved.

The invention relates to the technical field of medical instruments, in particular to a limb restraint strap self-adaptive pressure adjusting device and method.The limb restraint strap self-adaptive pressure adjusting device comprises a pressure sensing unit, a multi-stage pressure sensor detects the pressure value between a limb of a patient and a restraint strap and generates a pressure signal, and a pressure signal processing module filters the pressure signal and identifies the activity state of the patient; the pressure data processing module performs multi-window pressure analysis based on the processed pressure data, identifies a pressure change trend, predicts a pressure change and generates a prediction result, and the adaptive threshold adjustment module dynamically adjusts a pressure threshold based on patient activity intensity, constraint duration and muscle tension. And the decision control module generates a pressure adjustment control instruction based on the prediction result and the adjusted pressure threshold value, and the pressure adjustment execution module comprises an air bag, an inflation device and an exhaust device and achieves dynamic adjustment of the tightness of the restraint strap.

The utility model discloses an inflatable lumbago rehabilitation device, and belongs to the technical field of auxiliary rehabilitation equipment. The inflatable lumbago rehabilitation device comprises two inflatable bag cloth belts, a mounting plate is fixedly connected between the two inflatable bag cloth belts, a rear connecting box is fixedly connected to the outer surface of the rear side of the mounting plate, a reciprocating lead screw is rotationally connected between the inner walls of the two sides of the rear connecting box, and a transmission block is in threaded connection with the reciprocating lead screw; the top of the transmission block is fixedly connected with two connecting rods; according to the inflatable lumbago rehabilitation device, the two pressing rollers periodically and repeatedly move close to each other and away from each other and move back and forth relative to the waist of a user, the two pressing rollers massage the waist and the back of the user in all directions and at multiple angles, and a dynamic massage mode can more effectively relieve muscular tension compared with a static massage mode; and the waist massage can be automatically carried out at any time and any place, so that the symptom of lumbago can be greatly relieved.

The invention relates to the field of remote quality control of kinesio, and provides a remote kinesio treatment guidance and quality control system. The image acquisition module is used for acquiring high-definition image data of a to-be-treated area through intelligent terminal equipment and marking anatomical feature points; wherein the high-definition image data comprises a static image and a dynamic muscle movement video stream; the AI analysis engine is used for carrying out feature extraction on the high-definition image data based on a muscle dynamics model of a to-be-treated region constructed by a convolutional neural network, identifying a muscle tension abnormal region and grading a nerve injury degree, and generating an initial sticking path recommendation scheme; the remote auditing interface transmits the recommended scheme generated by the AI to the doctor end interaction interface, obtains a target treatment scheme after the doctor end performs scheme correction based on the medical history data of the patient, and confirms a final treatment instruction through a digital signature; and the block chain quality control module is used for encrypting key operation data in the treatment process and then writing the key operation data into a distributed account book to generate a treatment process traceability chain which cannot be tampered.

The invention discloses an equipment adaptive regulation and control system based on multi-modal neural perception and user feedback, which realizes millisecond-level adaptive regulation of equipment parameters through a multi-modal neural perception feedback and dynamic analysis model, solves the problems of insufficient dynamic evaluation, algorithm lag and the like of traditional equipment, and improves the equipment performance. The user experience (the pressure comfort is improved by 40%, and the temperature stability reaches + / -0.3 DEG C) and the energy efficiency (the energy is saved by 21.3%) are remarkably improved, the response speed is improved by 52.7% compared with a traditional scheme, the method is suitable for scenes such as massage chairs and smart homes, key indexes are improved by more than 40% compared with the prior art through CNAS authentication, and the method has remarkable technical advancement and market value and is worthy of popularization and application. The problems that on one hand, an existing massage equipment regulation and control system lacks dynamic evaluation on real-time states of muscle tension and fatigue degree of a user, and on the other hand, change of nonlinear characteristics of physiological signals is difficult to deal with are solved.

The invention belongs to the technical field of rehabilitation medicine and intelligent education technology, and discloses a muscular tension evaluation-based simulation arm model, which comprises a main body, a motor I, a motor II, a shoulder joint, an elbow joint, a motor III and a motor IV, and further comprises a visualization mechanism arranged on one side of the outer surface of the shoulder joint, the visual mechanism comprises a rotating plate fixedly connected to one side of the elbow joint; according to the device, the elastic piece can be stretched, then the connecting block can push the extrusion plate to slide in the liquid outlet pipe, then the extrusion plate can push liquid in the liquid outlet pipe into the graduated scale, and then the muscular tension grade can be judged according to the flowing distance of the liquid; finally, the rotating plate drives the extrusion plate to push the liquid into the graduated scale through the elbow joint, the muscular tension grade is judged according to the flowing distance of the liquid, students can conveniently and visually observe and feel the evaluation result, the evaluation result is recorded, and the teaching effect is improved.

The invention relates to the technical field of nursing robot control, in particular to a control method and system of a nursing robot. The method comprises the following steps that a 3D camera is used for collecting a posture track when a patient gets up, muscle tension change signals associated with the posture track are obtained through an electromyographic signal sensor, and posture associated muscle tension data are obtained through synchronous association processing. Thirdly, the data are analyzed, the muscle group force line unbalance strength is evaluated, and the gravity center shift trend is obtained in combination with gravity center shift regression analysis; finally, robot auxiliary output parameters are generated based on the gravity center shift regression trend and input into a nursing robot control framework, a control scheme suitable for the nursing robot is designed, a control instruction is sent to a robot terminal, and corresponding nursing operation is executed. According to the invention, the control technology of the nursing robot is optimized, so that the control technology of the nursing robot is more perfect.

The invention relates to a driving performance parameter adjusting method and system, and belongs to the technical field of vehicle control. The method is applied to a vehicle and comprises the steps that electromyographic signals of all passengers in the vehicle are collected; generating a vehicle comfort score based on the electromyographic signals of all passengers; and according to the vehicle comfort level score, the driving performance parameters of the vehicle are adjusted. The electromyographic signals of all passengers serve as an objective input source of comfort, the muscle tension state of the human body caused by jolting, pause or power impact in the vehicle running process is directly reflected, and therefore the actual comfort feeling of the passengers is truly captured in time. On this basis, the system actively adjusts driving performance parameters based on the generated vehicle comfort score to improve ride comfort. According to the mechanism, the problems of driving performance parameter adjustment lag, amplitude failure or direction error and the like caused by lack of human body feedback in a traditional method are effectively solved.

The invention discloses a wearable pain relieving device which comprises a box body, the box body is provided with a massage mechanism used for massaging the wound of a patient, the box body is further provided with a temperature control applying therapy assembly used for hot compress or cold compress of the wound of the patient, and the temperature control applying therapy assembly can move relative to the box body to adjust the distance between the temperature control applying therapy assembly and the wound of the patient. Fixing belts used for fixing the box body on the body surface of a patient are further arranged on the two sides of the box body; by integrating the hot compress function, the cold compress function and the massage function, multiple effects are organically combined, and the diversified requirements of a patient in the aspects of wound nursing and pain relieving can be met. The temperature-control applying therapy assembly is designed in a detachable mode, replacement and maintenance are convenient, meanwhile, the distance between the temperature-control applying therapy assembly and a wound can be adjusted, and comfort and safety in the using process are guaranteed. The massage mechanism can uniformly and rhythmically massage the periphery of the wound through cooperative work of massage balls, an elastic assembly and a driving assembly, and muscle tension and pain are effectively relieved.

The invention relates to the technical field of health-preserving physical therapy, and discloses a vertical moxa-therapy leading-in device which comprises a moxa-moxibustion device, an operation part is installed on the moxa-moxibustion device, a driving part is installed on the operation part, a metal sleeve is installed on the driving part, a moxibustion head part is installed on the metal sleeve, a processing frame is installed on the metal sleeve, and a placement shaft body is arranged in the processing frame. According to the vertical moxa therapy leading-in device, the non-woven fabric which is heated to a proper temperature and is in a wet state is used for covering a moxibustion applying part, on one hand, the acting force of timely sealing an acupuncture point is achieved, and the moxibustion applying part is covered by the non-woven fabric which is heated to a proper temperature and is in a wet state; and on the other hand, the heated non-woven fabric can accelerate the blood flow at the moxibustion applying part and help to disperse residual cold-dampness and pathogenic factors in the body, and meanwhile, the spherical massage head is used for massaging the moxibustion applying part, so that local muscle tension caused by thermal stimulation in the moxibustion process can be relieved, and spasm or stiffness can be prevented.

This utility model belongs to the technical field of bus seat armrests, and particularly relates to an adjustable armrest for a bus seat. The armrest includes: multiple fixing blocks, each fixedly connected to both sides of the armrest; two rotating rods rotatably connected between the fixing blocks; slots on the rotating rods; and multiple first support rods fixedly connected to the bottom surface of the rotating rods; a limiting component located inside the armrest and used to fix the two rotating rods; and multiple second support rods provided on one side of the multiple first support rods, each second support rod having a limiting groove communicating with the outside, and a limiting block slidably connected to the limiting groove and fixed to the first support rod. This invention solves the problem that when passengers are physically strong and have thick arms, the contact point between the forearm and the armrest is concentrated in a localized area, increasing the force per unit area, and causing muscle tension and soreness in the arms after prolonged support.

The utility model discloses a skin muscle tension measurer which comprises a columnar main body, a cavity with a hole formed in the bottom face is formed in the columnar main body, a sliding block and a spring are embedded in the cavity, a measuring disc is arranged on the bottom face of the sliding block, a display window is formed in the side face of the columnar main body, and supporting legs are arranged on the outer edge of the bottom face of the columnar main body. According to the utility model, the columnar main body of the measurer is pressed, so that the measuring disc in contact with the surface of the skin is stressed, then upward pushing force is generated on the sliding block, the tension of the skin muscle can be accurately reflected by measuring the upward pushing force, and then the skin muscle sclerosis degree of the skin muscle caused by lymphadenectasis can be obtained.

The invention discloses a teenager scoliosis eight-section brocade guide massage system and a personalized training method, and relates to the technical field of medical rehabilitation. The system comprises a lateral bending parting evaluation module which measures a Cobb angle and a centrum rotation angle through a 3D spine scanner and detects a muscle tension difference through a surface myoelectricity collector; the eight-section brocade improved action library is used for storing asymmetric improved actions aiming at a right chest bend, a left waist bend and an S-shaped bend, the action angle of the concave side is increased by 5-30 degrees, and the action angle of the convex side is correspondingly reduced; the directional massage auxiliary unit is provided with a pressure silicon controlled rubber massage head, the convex side is released by adopting an 8-10 Newton rolling method, and the concave side is activated by adopting a 3-5 Newton point pressing method; and the intelligent motion correction module monitors spinal motion in real time through five inertial measurement units, and provides voice vibration feedback when the deviation exceeds a threshold value. The training method adopts a progressive scheme, is implemented in stages according to the size of a Cobb angle, and comprehensively intervenes through'massage release-guide correction-acupoint activation '.

The invention relates to a variable impedance control method for a wrist joint rehabilitation training robot, and the method comprises the steps: constructing a self-adaptive reference stiffness correction model, inputting the rehabilitation score of a patient and the real-time muscular tension of each motion dimension of a wrist joint, and outputting the self-adaptive reference stiffness of each motion dimension; constructing a composite cost function which comprises a contact force safety threshold penalty term model and an impedance parameter change rate penalty term model; and constructing an uncertainty weighted correction model, inputting the composite cost value, the state prediction result and the patient rehabilitation score, and outputting the weighted instantaneous cost. Through the composite cost function and the dynamic impedance adjustment strategy, the impedance adjustment characteristic of the human arm is simulated, high-rigidity rapid approaching in the non-contact stage, low-rigidity high-damping buffering in the contact stage and low-rigidity low-damping compliant control in the stable stage are achieved, and the training comfort and safety are improved. According to limb impedance characteristics, rehabilitation stages and training tasks of patients, personalized requirements and dynamic rehabilitation scenes of different patients can be adapted.

The invention relates to the technical field of medical instruments. The sports injury rehabilitation auxiliary equipment comprises a medical bed body, a communicating opening is formed in the position, close to the middle, of the top of the medical bed body, when the waist of a patient lies on a waist protection plate, a plurality of rehabilitation mechanisms are independently and flexibly adjusted to be attached to the waist of the patient, and a power mechanism drives the waist protection plate to continuously swing; the fumigation mechanism sprays hot air to perform hot compress on the waist of the patient, so that the swinging rehabilitation mechanisms can perform massage operation on a plurality of areas of the waist of an athlete, and under the cooperation of the fumigation mechanism, the waist of the athlete can be massaged; by means of the massage mode, the waist can be comprehensively and fully massaged and stimulated, blood circulation of the waist is effectively promoted, muscular tension is relieved, damaged tissue is repaired, and then the rehabilitation effect on waist injuries of athletes is improved to a great extent.

Method (600) for activating at least one personal protection device (115) of a vehicle (100), the method (600) comprising the following steps: - reading (610) at least one occupant signal (125, 215) representing a muscle tension state of at least one muscle of a body part (135) of a vehicle occupant (140) and / or an attention status of the vehicle occupant (140); and - controlling the personal protection means (115) using the occupant signal (125, 215) in order to actuate the personal protection means (115), characterized in that in the controlling step (620) a reaction pattern (Rx1) is determined from a plurality of reaction patterns of the vehicle occupant (140) using the at least one occupant signal (125, 215) and / or a travel parameter (200), wherein the controlling of the personal protection means (115) takes place on the basis of the determined reaction pattern (Rx1).

The invention relates to the technical field of lumbar vertebra supporting, in particular to an intelligent lumbar vertebra supporting control method based on a graphene film and a rehabilitation device.The method comprises the steps that multi-modal data collection is conducted, specifically, multi-modal physiological and motion signals of the waist and abdomen of a user are collected; intelligent state analysis: inputting the multi-mode signal into a pre-trained intelligent control model for analysis and processing, outputting a comprehensive evaluation result of the waist load, muscle tension and thermal comfort of the user, and analyzing the current waist physiological state, specific activity mode and thermal therapy implementation demand of the user; comprehensive self-adaptive regulation and control: generating a cooperative control instruction according to the waist physiological state, the specific activity mode, the spine traction requirement and the thermal therapy implementation requirement which are obtained through analysis; the device comprises a processor and a memory in communication connection with the processor. According to the application, real-time and comprehensive understanding of the waist state of the user is realized, and synchronous and self-adaptive fine regulation and control are performed on two core functions of support and thermal therapy according to the real-time and comprehensive understanding of the waist state of the user.

The utility model relates to the technical field of seats, and discloses a chair with ergonomic armrests, which comprises a support plate, the left side and the right side of the support plate are fixedly connected with connecting plates II, the tops of the connecting plates II are fixedly connected with limiting blocks, the right sides of the tops of the limiting blocks are provided with sliding rails, the inner walls of the sliding rails are slidably connected with sliding blocks, and the sliding blocks are fixedly connected with the connecting plates II. A motor is fixedly connected to the right side of the sliding block, a gear is fixedly connected to the output end of the motor, a connecting ring is fixedly connected to the right side of the limiting block, a toothed plate is fixedly connected to the right side of the connecting ring, a toothed rail is arranged in the middle of the toothed plate, and the top end of the toothed rail is in meshing connection with the outer wall of the gear. According to the utility model, the appropriate positions of the armrests can relieve the pressure of the shoulders and the neck, muscle tension and fatigue caused by long-time poor sitting postures are prevented, and the height of the seat is adjusted according to the height of a person, so that the feet can be in stable contact with the ground, and the fatigue of the legs is reduced.

The invention relates to joint non-surgical treatment, in particular to the technical field of medical apparatuses and instruments, and discloses a leg rehabilitation nursing device which comprises an electric push rod, a massage part is arranged on the electric push rod, an adaptive part is arranged on the massage part, monitoring parts are arranged on the massage part and the adaptive part, a supporting part is mounted on the electric push rod, and the supporting part is connected with the electric push rod. A binding part is installed on the supporting part, the massage part comprises a first connecting arm, the first connecting arm is fixedly arranged on an outer rod of an electric push rod in a sleeving mode, and a frame is fixedly connected to the first connecting arm. The functions of leg stretching or bending training, synchronous kneading massage and targeted blood circulation activating are integrated, equipment does not need to be replaced, operation is simplified, and space is saved; the rehabilitation continuity is improved, training, massaging and blood activating are synchronously carried out, muscle tension is relieved in a targeted mode, blood circulation is promoted, the rehabilitation scheme is optimized in cooperation with electromyographic signal monitoring, function recovery and function integration is accelerated, and the problem of traditional instrument splitting is solved.

The invention discloses an ergonomic chair which comprises a monitoring module, an analysis module and an adjusting module, the monitoring module is used for collecting electromyographic signals of at least one target muscle group on the back of a user and preprocessing the electromyographic signals, and the analysis module is used for adjusting the electromyographic signals according to the preprocessed electromyographic signals. The adjusting module is used for determining the tension state of at least one target muscle group on the back of the user, positioning a main tension area according to the tension state of the at least one target muscle group and generating a corresponding adjusting signal according to the tension state and the main tension area, and the adjusting module is used for determining the tension muscle group and at least one adjusting assembly corresponding to the tension muscle group according to the adjusting signal; the position state and / or the form state of at least one corresponding adjusting assembly are / is adjusted in a sectional mode, so that the tension muscle group is relaxed; the muscle tension is directly monitored through the electromyographic signals, and sectional adjustment is carried out according to the muscle tension, so that force is accurately applied to different muscle groups, the local muscle tension is rapidly reduced, and a user is helped to rapidly relieve fatigue.

The utility model provides a pair of separating forceps for hysteromyoma surgery, which relates to the technical field of medical instruments and comprises two forceps arms, the two forceps arms are rotationally connected through a rotating shaft, one ends of the two forceps arms are respectively provided with a forceps head, the other ends of the two forceps arms are respectively provided with forceps handles, and one ends of the two forceps handles are respectively and fixedly connected with finger rings. The required forceps heads can be replaced according to actual operation requirements through the dismounting and mounting assembly, the preoperative preparation time before an operation is shortened, one set of forceps arms can use various forceps heads, the cost is reduced, and the forceps heads can be independently replaced when a single part is abraded and the like, secondly, the working angles of the forceps handles can be adjusted according to the operation conditions through the bending assembly, and the working efficiency is improved. By means of the technical scheme, the handle can be better attached to an operation area and held in a more comfortable posture, the accuracy of force application and operation is improved, and muscular tension and hand fatigue caused by long-time operation can be reduced.

The utility model discloses a chair back with heating and massaging functions. The chair back comprises a backrest and a waist rest arranged on the backrest. The waist rest is composed of a shell, forming foam, a vibrator, a rechargeable battery and a heating piece, the forming foam is provided with a vibration cavity and a battery cavity, the vibrator and the rechargeable battery are installed in the vibration cavity and the battery cavity respectively, the heating piece is attached to the side, away from the backrest, of the shell, and the rechargeable battery supplies power to the vibrator and the heating piece. The chair backrest improves user experience through heating and massaging functions, and can promote waist blood circulation and relieve muscular tension; the rechargeable battery supplies power to get rid of the constraint of a power line, and the portability is improved.

The invention relates to the technical field of rehabilitation exercise devices, and discloses a rehabilitation exercise device for children with fractured arms, which comprises a fixed support and a first mounting seat mounted on the right side of the fixed support, a second mounting seat is hinged to the first mounting seat through a movable rod, and the left side of the second mounting seat is hinged through an arc-shaped plate. And an arc-shaped pad is arranged on the No.1 placing seat. The massage effect is performed at the same time, so that the rehabilitation effect of the fractured arm of the child is better, the air bag obtains the movement effect of deflating and inhaling, and the fractured arm of the child can be massaged to a certain extent when the fractured arm of the child is subjected to rehabilitation of a bent movable joint; the device not only can provide bending training in the rehabilitation process of the fractured arm of the child, but also can realize massage and relaxation functions through dynamic flowing of gas, and the comprehensive rehabilitation means can effectively promote blood circulation of the fractured arm of the child, relieve muscular tension, improve rehabilitation efficiency and help the arm of the child recover to a healthy state.