93 results about "Muscle strains" patented technology

The invention discloses an in-vitro bionic mechanical testing system and method for spinal skeletal muscles, and particularly relates to the field of mechanical testing, and the system comprises a bionic construction module, a finite element modeling module, a multi-axis mechanical loading module, an iterative calculation module and a correction module; through modular design, the system comprises a vertebral body unit, an intervertebral disc simulation assembly and a skeletal muscle simulation unit, each assembly is customized according to anatomical features of a human body, a finite element modeling module is utilized to generate a three-dimensional model, a multi-directional mechanical load is applied, and response data is collected; experimental data are input into the finite element model for iterative calculation, so that stress distribution, a strain field and kinematic deviation are compared; if the error exceeds a preset threshold value, the model parameters and the physical parameters are corrected until the experiment and simulation results converge; and finally, based on the optimized finite element model, predicting a failure mechanism of the spinal skeletal muscle under a complex load, and evaluating the risks of fracture, hairline fracture, nucleus pulposus protrusion and muscle strain.

The invention relates to the technical field of medical treatment, in particular to a child fracture rehabilitation management system based on virtual reality, which comprises a multi-modal sensing and data acquisition module, an intelligent rehabilitation training module, a multi-dimensional evaluation and feedback module and a data intelligent analysis and prediction module, compared with the defects that an existing rehabilitation training technology mainly depends on subjective experience of doctors to formulate a static scheme and lacks multi-source data dynamic feedback, the method comprises the steps that firstly, a comprehensive and accurate patient ability portrait is constructed; intelligent dynamic adjustment of training parameters is realized by utilizing an LSTM gating mechanism, a forgetting gate filters invalid historical data, an input gate fuses real-time action quality evaluation, an output gate generates a personalized difficulty gradient, and a patient ability threshold is continuously memorized in combination with a cell state, so that a training scheme has an adaptive evolution ability, and the training efficiency is improved. The parameter adjustment period of a traditional rehabilitation scheme is compressed from a week level to a real-time level, the accuracy rate of risk prediction of muscle strain and the like is improved, and the utilization rate of effective training time is increased.

The invention relates to the technical field of lumbar vertebra traction apparatuses, in particular to a lumbar vertebra traction apparatus for traditional Chinese medicine bone fracture treatment, which comprises a lumbar vertebra traction assembly, a dynamic traction unit and a pyretic moxibustion auxiliary module, in order to solve the problems that in the prior art, common lumbar vertebra traction equipment only conducts static traction on the waist of a patient and is poor in curative effect on chronic lumbar muscle degeneration and other diseases, the static traction function is reserved, meanwhile, the dynamic traction function is achieved, periodic reciprocating traction can be conducted, and the traction effect is good. The device has the advantages of being simple in structure, convenient to use and particularly suitable for patients with bone fractures such as lumbar muscle degeneration, the muscle microcirculation can be improved through rhythmic stretching, the function of well improving lumbar muscle degeneration is achieved, auxiliary pyretic moxibustion can be automatically carried out on the lumbar vertebra position of a patient while traction is carried out, the treatment effect is further improved, an additional power source is not needed, and the device is convenient to use and particularly suitable for being used by the patients with the bone fractures such as the lumbar muscle degeneration.

The invention relates to the technical field of rail laying, in particular to a sleeper laying device for rail transit, which comprises a rail and a sleeper body, and further comprises a plurality of ballast poking plates, and the plurality of ballast poking plates are arranged below the sleeper body. A plurality of ballast poking plates are automatically driven to move through the ballast poking assembly, railway ballast below a sleeper body can be rapidly and efficiently poked aside and poked out, an old sleeper is made to be suspended, the speed is much higher than that of pure manual ballast poking through tools such as shovels, the replacement time of a single sleeper is remarkably shortened, the shorter skylight period is provided for line maintenance, and the production efficiency is improved. The whole process is mainly completed by a mechanical device, operators only need to control equipment, physical output of workers is greatly reduced, the workers are prevented from carrying out high-strength repeated excavation and prying operation between the position below heavy sleepers and rails, safety risks such as muscle strain and collision injury are reduced, and operation safety is improved.

The invention discloses an anti-resistance exercise training system for old people based on intelligent wearable equipment, and relates to the technical field. The problems that in the prior art, a dynamic action monitoring error correction mechanism is lacked, exercise intensity adjustment is not personalized and real-time, interaction and data feedback functions do not exist, and equipment portability and wearing adaptability are insufficient are solved. The system collects data in real time through the whole body position intelligent wearable device, corrects non-standard actions through the action recognition feedback module, dynamically regulates the intensity through the exercise intensity evaluation module, reduces the risks of muscle strain, cardiovascular burden and the like, takes standardized action guidance, personalized intensity adaptation and data visualization as the core, ensures target muscle activation, and improves the training efficiency. The training effect is quantified, the operation is simple, the use threshold is reduced through voice guidance, the boring feeling is relieved through personalized plans and summary reports, the training achievement feeling and compliance of the old people are enhanced, the muscle strength can be improved through whole body position training, and the anti-resistance exercise requirement of the old people is met.

The utility model provides a chair seat which comprises a seat frame and an air bag assembly arranged in the seat frame, and mesh cloth tightened at the initial height position is arranged at the open position of the upper end of the seat frame. The air bag assembly comprises a plurality of air bags which are stacked up and down, and the air bags can be inflated to expand and can also be deflated to contract; the multiple air bags stacked up and down are divided into a lifting air bag located at the topmost end and used for acting on the screen cloth and one or more jacking air bags located at the lower end of the lifting air bag. When a seated person has a rest, the net cloth can elastically support the seated person, and when the seated person works, the lifting air bag and the jacking air bag expand and form double lifting force on the net cloth, so that the pelvic angle is changed, the pressure of the spine is greatly reduced, meanwhile, the sitting posture is corrected, the seated person is kept in an upright posture, and the risk of spine dislocation or lumbar muscle strain of the seated person is reduced.

1. Name of the product in this design: Waist support belt. 2. Application of this design: This design is intended for use as a waist support belt to tighten the waist, support the abdomen, and treat lumbar disc herniation, lumbar muscle strain, and lumbar disc strain. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2. 5. This design is a thin product, so the left view is omitted; this design is a thin product, so the right view is omitted; this design is a thin product, so the top view is omitted; this design is a thin product, so the bottom view is omitted.

The invention relates to the technical field of reinforcing steel bar binding robots, and discloses a reinforcing steel bar binding robot capable of autonomously adapting spacing, the core of the reinforcing steel bar binding robot comprises a main body metal frame, an intelligent control assembly, a walking transposition assembly, a binding assembly and an adaptive adjustment assembly, and the main body metal frame is formed by sleeving an upper bracket and a lower bracket; a touch control screen carrying an intelligent control assembly and a control element are controlled, the walking transposition assembly guarantees stable movement and accurate transposition through a motor, a threaded shaft and a roller, and the binding assembly completes full-process automatic operation of wire feeding, winding, knotting and shearing through a mechanical arm and a wire stranding mechanical arm. And the self-adaptive adjusting assembly transversely and automatically adjusts the wheel edge distance through a roller motor, a first roller and an independent bottom plate to adapt to different steel bar specifications, the steel bar positioning assembly and a sensor are combined, track deviation is avoided, the operation precision and continuity are improved, and the binding quality and efficiency are guaranteed.

The invention relates to the technical field of sports bows and arrows, and discloses an archery trainer with a posture feedback structure, which comprises a grip, a bow pushing arm posture feedback adjusting mechanism, a string pulling hand posture feedback adjusting mechanism, a two-foot posture feedback adjusting mechanism and a head posture feedback mechanism, by arranging the bow pushing arm posture feedback adjusting mechanism, the string pulling hand posture feedback adjusting mechanism, the two-foot posture feedback adjusting mechanism and the head posture feedback mechanism, the detection and real-time feedback of the holding state of the grip and the postures of the bow pushing arm, the string pulling hand, the two feet and the head are realized; the problems of feedback lagging and high subjectivity in traditional training are solved, a shooter is helped to rapidly establish standard posture muscle memory, the training efficiency and archery precision are effectively improved, according to the height and body type difference of different shooters, the elastic band, the adjustable elastic rope and other structures in the device have good adaptability, and the device is suitable for popularization and application. And a compensatory posture formed by a shooter due to equipment discomfort can be avoided, and the risk of muscle strain is reduced.

The invention discloses a noctilucent kinesio bandage and a preparation method and application thereof.The noctilucent kinesio bandage comprises a base material, a temperature-sensitive adhesive layer and a noctilucent layer, the temperature-sensitive adhesive layer adheres to one side of the base material, and the noctilucent layer adheres to the other side of the base material.The invention relates to the technical field of kinesio stickers. According to the noctilucent kinesio bandage and the preparation method and application thereof, the porous base material is matched with muscle stretching deformation, the sport injury risk is reduced, the nano-silver fiber is used for inhibiting bacteria, the skin sensitivity problem caused by long-time sticking is solved, reliable support is provided for bandage reuse, and titanium dioxide is combined for shielding ultraviolet rays, so that the noctilucent kinesio bandage has a good application prospect. Under the cooperation of the temperature-sensitive adhesive layer, convenient separation between the bandage and the skin is achieved, reliable adhesion support is provided for reuse of the bandage, light of different intensities can be emitted according to the skin surface temperature through the arrangement of the noctilucent layer, and visual and reliable data support is provided for muscle strain caused by movement.

The present application relates to the technical field of tension test, and discloses a static and dynamic balance tension testing device for fitness equipment, which comprises two weight blocks sliding rails and two swing handle bars located between the two weight blocks sliding rails, and a plurality of weight blocks in a stacked manner are arranged in the weight blocks sliding rails. The present application relies on arm power to drive the weight blocks to ascend and descend, thereby achieving dynamic and static balance. If it is only a wire, dynamic and static balance feedback cannot be achieved. Once the personnel appear fatigue phenomenon when returning to the original position, the arm will be pulled by the weight blocks, and the first pull rope and the second pull rope can effectively feed back the pulling force of the first pull rope driven by the weight blocks to the second pull rope through the connecting part, so that the first pull rope and the second pull rope return to the dynamic and static balance state, thereby avoiding the problem that the weight blocks pull the arm of the personnel when the personnel are in fatigue, and further causing muscle strain.

The invention relates to a leg exercise device for geriatric nursing, and belongs to the technical field of computer exercise equipment. The leg exercising device for nursing in the elderly department comprises an exercising seat, and a fixing seat is fixedly connected to the surface of the exercising seat; the exercise mechanism is mounted on the surface of the fixed seat, and the surface of the exercise mechanism extends to the lower end of the exercise seat; wherein the exercise mechanism comprises a strength assembly installed in the fixing base, and an angle assembly is arranged at the end, away from the fixing base, of the strength assembly; the swing amplitude of a patient is controlled through the angle assembly, the patient is assisted to do exercise operation under cooperation of the electric control assembly, at the moment, auxiliary exercise operation is formed on the patient through the strength assembly, the patient is protected to do leg movement in a relatively slow cooperation mode in the exercise process, and the situation that the patient is unsmooth in force exertion in the exercise process is reduced. The leg muscle strain is reduced, and the exercise safety is improved.

To provide a rational wrist supporter that reduces the burden on the body without relying on muscle strength for the various roles of the hand, such as lifting, carrying, and grasping, although wrist supporters have been commercially available in a wide variety of forms up until now. [Solution] The belt supporter of the present invention fixes the palm and wrist on the palm side with a fixing plate, and further supports the ulnar head of the wrist on the back side of the hand at the ankle opening.By wrapping these together crosswise, the wrist is stabilized and firmly fixed, and by controlling unnecessary movement, a stabilizing function is created, preventing unnecessary muscle strain, allowing for lighter loads to be carried, and reducing the strain on the arms and hands.

1. Name of the product in this design: Waist support belt. 2. Application of this design: This design is intended for use as a waist support belt to tighten the waist, support the abdomen, and treat lumbar disc herniation, lumbar muscle strain, and lumbar intervertebral disc strain. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2. 5. This design is a thin product, so the left view is omitted; this design is a thin product, so the right view is omitted; this design is a thin product, so the top view is omitted; this design is a thin product, so the bottom view is omitted.

The invention relates to the technical field of first-aid stretchers, in particular to a portable multifunctional first-aid stretcher based on a folding framework, which comprises a main stretcher support frame, an adjustable backrest is hinged to one end of the outer side of the main stretcher supporting frame through a hinge, a foldable leg supporting assembly is installed at the end, away from the adjustable backrest, of the outer side of the main stretcher supporting frame, a foot supporting assembly is installed on the outer side of the foldable leg supporting assembly, and telescopic moving assemblies are installed on the two sides of the lower end of the main stretcher supporting frame. The adjustable backrest can meet the sitting posture, semi-lying or flat lying requirements of a patient, for example, a patient with dyspnea needs to be in a semi-sitting lying position, and a patient with coma needs to be in a flat lying position; the foldable leg supporting assembly can support the lower limbs of the patient, muscle strain caused by suspension of the legs is avoided, the device is particularly suitable for patients with fracture or lower limb injury, meanwhile, the foot supporting assembly can adapt to foot postures of different patients and is suitable for patients with lower limb fracture and joint injury, pain is relieved through angle adjustment, and secondary injury is avoided.

The present invention relates to the technical field of sheet cutting equipment, and discloses a cutting and feeding device, which includes a feeding member for grasping a plate body and a moving member for moving the grasping member. The feeding member is arranged on the moving member. The feeding member includes a grasping member for adsorbing the plate body and a dust cleaning member for removing dust on the surface of the plate body. Before the suction cup contacts the plate, the dust cleaning member can blow the dust on the surface of the plate through a composite air flow and form a negative pressure field for guiding the dust. The composite air flow includes a spiral air flow tangential to the surface of the plate and a central air flow perpendicular to the surface of the plate. Through the linkage of the linear module and the lifting equipment, the present invention realizes the full-automatic grasping, transfer and positioning of large-size plates, completely replaces manual handling, effectively improves the feeding efficiency of the plates, and eliminates the risk of lumbar muscle strain caused by bending over and lifting, as well as potential safety hazards such as the falling and scratching of the plates.

The invention discloses an electroscope auxiliary device for transformer substation remote deployment relay protection, and the device comprises a bearing unit which comprises a pedestal assembly, a placement assembly disposed at the top of the pedestal assembly, a limiting assembly disposed at one side of the placement assembly, a limiting assembly disposed in the placement assembly, and a locking assembly disposed in the placement assembly. The locking assembly comprises a first limiting groove formed in the containing assembly, a first inserting plate arranged in the first limiting groove and a first iron block fixedly connected with the outer side of the first inserting plate, first sliding grooves are formed in the two sides of the first limiting groove correspondingly, and the first iron block penetrates through the first sliding grooves and a second limiting groove formed in the containing assembly. And a second insertion plate is arranged in a second limiting groove, so that the angle of the placement assembly can be adjusted, a user can conveniently adjust the angle of the electroscope, the workload of the user is reduced, and meanwhile, the conditions of arm soreness and swelling and muscle strain caused by long-term hand holding of the electroscope by the user can be avoided.

According to the electric hair drier system and the control method thereof, the multiple blowing modules in the electric hair drier system can be sequentially connected end to end and can be electrically connected through the electric connection assembly, so that a user can correspondingly increase or decrease the number of the blowing modules according to actual requirements such as the length of hair, the application range of the product is expanded, and the user experience is improved. And the adaptability of the product to different scenes is improved. Moreover, the control mainboard in the support can serve as a core control unit, control instructions are transmitted to all the air blowing modules in butt joint through electric connection of the air blowing modules and the support, and consistent output parameters can be kept when the air blowing modules are combined. Besides, the seat body in the support can serve as a fixed supporting structure, the blowing modules are separated from the handheld state, the user installs the selected number of blowing modules on the seat body in a butt joint mode, the hand-free hair drying operation can be achieved, wrist ache and muscle strain caused by long-time holding can be effectively avoided, and the use experience of the user is improved.

The utility model discloses a sitting posture chest pushing training device grip angle adjusting mechanism which comprises a shell, an adjusting ring, a rotary disc and a grip assembly, one end of the shell is provided with an opening, one end of the adjusting ring is fixedly connected with the end, provided with the opening, of the shell, a plurality of adjusting holes distributed in a surrounding mode are sequentially formed in the adjusting ring, and the rotary disc is arranged on the rotary disc. Any two adjacent adjusting holes are communicated through a slide way; the turntable is rotationally connected with the other end of the adjusting ring; the grip assembly comprises a grip pipe, a top pressing rod, a clamping head, a pressing head, a limiting ring, a baffle ring and a spring. Therefore, the adaptability and comfort of fitness operation can be effectively enhanced, a body builder can easily adjust the angle of the grip according to the body conditions of the body builder, and therefore muscles can be exercised more accurately and fully in the training process; meanwhile, the problem of uneven stress caused by improper postures can be effectively avoided through the reasonable grip angle, and the sports injury risks such as muscle strain and joint sprain are greatly reduced.

The present application relates to the field of fitness equipment, especially to a sports equipment capable of preventing injury, comprising a rowing machine and a seat connected to the rowing machine, which can move with the rowing machine and is used for enabling an exerciser to sit on; a water tank, one end of the rowing machine being used for adjusting water resistance; a correction assembly arranged on the seat, which is used for correcting the posture of the exerciser and avoiding injury; and a protection system used for preventing the exerciser from falling out of the rowing machine. Through simple structure combination, the present application realizes that the exerciser keeps chest straight and back straight during exercise by the backrest during the use of the rowing machine, prevents the exerciser from suffering from lumbar muscle strain, and guarantees the health of the exerciser; further improves the protection effect of the protection system on the exerciser; during the process of the exerciser leaning left and right, the protection block intercepts the leaning exerciser, avoids the exerciser from directly falling out of the rowing machine and causing injury, and further guarantees the personal safety of the exerciser during exercise.

The utility model provides a kind of electric hair dryer system, multiple blowing modules in electric hair dryer system can be sequentially connected head to tail, and can be realized electric connection by electric connection component, so that user can increase or decrease the number of blowing module according to actual demand, such as hair length, correspondingly, expand the application range of product, improve the adaptability of product to different scenes.And, the control mainboard inside support can be as the core control unit, transmit control instruction to all docking blowing module by the electric connection of multiple blowing module and support, can realize the consistent output parameter when multiple blowing module combination.In addition, the seat body in support can be as fixed support structure, make blowing module separate from hand-held state, user selected number of blowing module is installed on seat body and is docked, can realize hand-free drying operation, can effectively avoid wrist soreness and muscle strain caused by long time holding, improve user's use experience.

The invention discloses a safe lifting and medicine draining device for a traditional Chinese medicine decocting pot, a lifting mechanism comprises a movable support, a lifter, a lifting table and a grabber, the grabber is hooked with a boss of an inner pot to realize mechanical lifting, the lifter provides stable power, and the movable support ensures that a vertical track is accurate; the conveying mechanism comprises a translation support, a translation trolley, a clamp and a positioner, the clamp clamps the medicine decocting pot to translate, the positioner (photoelectric sensing or mechanical limiting) ensures that the inner pot is accurately stopped to the preset position below the lifting table, and the translation support and the translation trolley cooperate to construct the full-automatic process of horizontal conveying, accurate positioning and vertical lifting; and reliable force transmission is achieved through the design of the grabber and the boss. According to the system, through mechanical optimization and track control, the risk of man-machine contact is eliminated, muscle strain caused by manual pot lifting and extrusion and collision accidents caused by misoperation of equipment are avoided, the stability and reliability are improved through a positioner, and the working efficiency is remarkably improved while safety is guaranteed.

The invention relates to the technical field of navel orange picking, in particular to a navel orange fruit picking machine. Comprising a movable cart, a storage battery, a hose, a connecting pipe, a guide pipe, a fixing block, a connecting ring and the like, the storage battery is installed on the side face of the movable cart, the hose is connected to the side face of the movable cart and keeps communicating, the connecting pipe is connected to the end, away from the movable cart, of the hose and keeps communicating, and the guide pipe is connected to the top of the connecting pipe and keeps communicating; the fixing block is connected to the outer wall of the guide pipe, and the connecting ring is connected to the fixing block. Through cooperation of the movable cart, the hose, the connecting pipe, the guide pipe and the shearing assembly, branches connecting navel oranges and the branches can be rapidly cut off, it is ensured that the navel oranges can directly fall into the movable cart after being sheared off, in the process, workers do not need to bend down to place the navel oranges and frequently control scissors, physical output of the workers can be reduced, and working efficiency is improved. The picking speed and efficiency are improved, and meanwhile the muscle strain risk caused by long-term repeated actions is reduced.

The invention relates to the technical field of exercise devices, in particular to an exercise device for obese patients, which comprises a treadmill body, a console is arranged at the upper end of the treadmill body, and an anti-gravity exercise mechanism for reducing the weight of the patients and avoiding bone damage is arranged on the treadmill body. An upward stretching mechanism used for exercising arms of a patient is movably installed on the side face of the treadmill body, the anti-gravity exercising mechanism comprises a high-pressure air bag fixedly installed on the treadmill body, and an inflation pump assembly for continuously supplying air to the high-pressure air bag is arranged on the control table. A standing relaxing mechanism for massaging the shanks of the patient to avoid muscle strain is arranged in the high-pressure air bag. By arranging the standing relaxing mechanism and utilizing mutual cooperation between the rotating support and the hammering rubber block, calf muscles of a patient can be automatically massaged and relaxed when the patient has a rest during exercise, the exercise comfort of the patient can be effectively improved, and meanwhile, the muscles of the patient can be prevented from being strained to a certain extent.

1. The name of the design product: low intermediate frequency comprehensive therapeutic instrument (BDZP-20). 2. The use of the design product: for the auxiliary treatment of pain caused by cervical spondylosis, shoulder periarthritis, lumbar muscle strain, soft tissue injury, etc., and has the effect of improving blood circulation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses heavy steel pipe flame cutting equipment which comprises a base, a frame is fixedly connected to the upper end of the base, the outer wall of a rotating ring makes contact with the inner walls of multiple sets of pulleys in an attached mode, multiple sets of tooth parts are distributed on the peripheries of the outer walls of the pulleys, a gear is rotationally connected to the outer wall of the frame, and the gear is meshed with the multiple sets of tooth parts. And the outer wall of the rotating ring is fixedly connected with a connecting frame, the outer wall of the connecting frame is rotationally connected with a cutting knife, and the outer wall of the connecting frame is provided with a driving mechanism for driving the cutting knife to rotate. A meshing transmission structure of the servo motor driving gear and the pulley tooth portion replaces a traditional manual ratchet wheel driving mode, an operator can achieve circumferential rotation of the rotating ring without continuously applying torque, the labor intensity of the operator is reduced, the muscle strain problem caused by long-time operation is effectively avoided, and the working efficiency is improved. And the equipment is more suitable for long-time cutting operation of heavy steel pipes.

1. Name of the product in this design: Waist support belt. 2. Application of this design: This design is intended for use as a waist support belt to tighten the waist, support the abdomen, and treat lumbar disc herniation, lumbar muscle strain, and lumbar disc strain. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2. 5. This design is a thin product, so the left view is omitted; this design is a thin product, so the right view is omitted; this design is a thin product, so the top view is omitted; this design is a thin product, so the bottom view is omitted.

The utility model provides an office chair backrest structure with an adjustable waist support position, which relates to the technical field of office chairs and comprises a main body mechanism, a plurality of positioning mechanisms, a control mechanism and a waist support mechanism. Before use, people adjust the height of the waist support mechanism through the positioning mechanism, then adjust the sitting posture to make the waist contact with the waist support mechanism, then press a button to start an air feed pump, and air is fed into a control valve shell through an air pipeline, pushes a piston to rise and then enters an air bag, so that the air bag is expanded and accurately fits the waist curve of a user; local compression or suspension of the waist is avoided, fatigue caused by long-time sitting is effectively relieved, the burden of intervertebral discs and muscles is reduced, occupational diseases such as lumbar disc herniation and lumbar muscle strain are prevented, when the air bag is tightly attached to the waist and cannot continue to expand, air accumulated in the control valve shell pushes the piston to further ascend, contacts make contact to form a circuit, and the air bag is prevented from being blocked. The air supply pump is automatically closed, excessive extrusion on the waist is prevented, and errors caused by manual operation are effectively avoided through automatic adjustment.

The invention relates to the technical field of medical instruments, and discloses an orthopedic operating table and an operating table system comprising the operating table, the orthopedic operating table comprises a base and an operating table body, the top of the base is rotatably connected with two transverse telescopic rods and a supporting assembly, the top of each transverse telescopic rod is provided with a shell, and a plurality of guide grooves are uniformly distributed in an inner cavity of each shell; a connecting column is slidably connected into each guide groove, gear teeth are fixed to one side of each connecting column, limiting plates are arranged on the two sides of each connecting column, first reset springs are arranged between the connecting columns and the shell, extrusion slopes are arranged at the tops of the connecting columns, sliding columns are slidably connected to an inner cavity of the shell, and first extrusion blocks matched with the extrusion slopes are fixed to one ends of the sliding columns. According to the scheme, through meshing transmission of the gear teeth and rigid locking of the locking column, the synchronization error is controlled, uneven stress of the lower limbs caused by angle deviation is avoided, clinical risks of muscle strain and fracture dislocation are reduced, and then one-key switching of a synchronous-independent mode is achieved through rotation of the rotary knob.

1. Name of the product in this design: Specific Electromagnetic Wave Therapy Device (HT-TDP-B). 2. Purpose of this design: For physical therapy and health care, such as the adjunctive treatment of soft tissue injuries, rheumatoid arthritis, lumbar muscle strain, and childhood diarrhea. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 2 3D diagram. 5. The bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of Design 1 is omitted; the bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of Design 2 is omitted. 6. Design 2 is designated as the basic design.