64 results about "Calf muscles" patented technology

The invention relates to the technical field of intelligent wearable devices, in particular to an intelligent wearable device data-driven old people falling risk real-time assessment system, which executes the following steps of: acquiring acceleration and angular acceleration signals of an old patient based on a wearable device; inputting the acceleration and angular acceleration signals into the reconstructed gravity center motion state space model to obtain a predicted gravity center position; inputting the predicted center-of-gravity position into a gait analysis model to obtain posture and foot position information; inputting the characteristic parameters into a risk analysis model, and outputting an offline fall risk assessment value; calculating a residual strength index based on calf muscle strength; an entropy index based on the compensation reference point and the plantar pressure compensation gravity center is obtained; the method comprises the following steps of: inputting the current falling risk into a risk analysis model, estimating and correcting the current falling risk, outputting the online falling risk, integrating multi-source data such as acceleration, angular velocity, electromyographic signals and the like, and combining an innovative entropy index, so that the system can comprehensively evaluate the balance state of the old people.

The utility model discloses an inside and outside splayed tendon stretching foot machine mechanism, which comprises a massage seat and a massage assembly arranged on the massage seat, the massage assembly comprises a rotating shaft, a massage wheel arranged on the rotating shaft and a first driving piece for driving the rotating shaft to rotate, and the massage seat comprises a mounting frame, a first torsion swing frame and a second torsion swing frame. The rotating shaft is arranged on the mounting frame and penetrates through the first torsional pendulum frame and the second torsional pendulum frame, a first eccentric part used for driving the first torsional pendulum frame to perform torsional pendulum and a second eccentric part used for driving the second torsional pendulum frame to perform torsional pendulum are arranged on the rotating shaft, and the guiding structure is used for limiting and guiding when the first torsional pendulum frame and the second torsional pendulum frame swing. When the massage assembly works, the whole massage seat can be driven to twist, so that the ankle joint can be subjected to swinging and stretching massage, and meanwhile, the calf muscle can be subjected to stretching massage.

The utility model discloses a lower limb massager which can drive a swing plate to swing up and down around a rotating shaft through a swing driving device, so that feet of a user on the swing plate are driven to move ankle joints and stretch calf muscles, and a new massage mode is provided for foot massage. Besides, the fitness between the foot massage mechanism and the foot sole and the angles of the foot and the shank of the user can be adjusted according to the condition of the user, so that the foot massage device adapts to massage experiences of different requirements of different users, the flexibility is higher, and massage is more comfortable and effective.

The invention discloses an ankle movement device for medical rehabilitation, and relates to the technical field of medical instruments. The ankle movement device for medical rehabilitation comprises a mounting box, fixing devices are arranged on the two sides of the mounting box, the fixing devices are connected with a sickbed, a top plate is arranged on the outer wall of the top of the mounting box, and a driving gear and a first incomplete gear are rotationally connected to the outer wall of the top of the top plate; first incomplete gears are arranged on the two sides of the driving gear correspondingly, and the rotating directions of the first incomplete gears on the two sides of the driving gear are opposite. Through cooperative use of structures such as motor driving and a gear transmission system, front-back angle change and left-right rotating motion of pedals are achieved, toes can be used for grabbing and releasing sanding cloth to exercise the feet, the ankle joint serves as the center, the triceps calf muscle and the tibia anterior muscle extrude blood and lymphatic waves to flow back during contraction, and therefore the function of exercising the feet is achieved. Fresh blood flows in again when the patient relaxes, so that retention of the blood in lower limb veins is effectively reduced.

The utility model provides a massage device, and relates to the technical field of massage health care devices. A massage device comprises a mounting base, a driving assembly and a foot massage assembly, the foot massage assembly is movably arranged on the mounting base, the driving assembly is matched with the foot massage assembly in a driving mode, and the driving assembly drives the foot massage assembly to swing. According to the massage device, one end of the foot massage assembly is in driving fit with the driving assembly, and the driving assembly can drive the foot massage assembly to swing in the horizontal direction. During massage, the feet of the user also swing along with the swing of the foot massage assembly, so that ankle joints are exercised, calf muscles are stretched, the effect of relaxing the ankle joints and the calf muscles is achieved, and the massage effect and massage comfort are improved.

The present invention discloses an auxiliary support device for patients with lower limb thrombosis, which relates to the technical field of medical rehabilitation equipment, including lower limb sleeves and foot sleeves, wherein two lower limb sleeves and two foot sleeves are provided, and a sanitary isolation replacement component for keeping the auxiliary lower limb clean is installed on the lower limb sleeve, and a blowing activity auxiliary component for heat dissipation and auxiliary joint movement is installed on the outer surface of the lower limb sleeve. The auxiliary support device for patients with lower limb thrombosis replaces the isolation cotton roll under the action of the rotation and reeling of the reeling shaft, thereby ensuring that the patient's lower limb sleeve remains in a better clean state when the patient uses it next time, avoiding bacterial infection after the patient wears the unsanitary lower limb sleeve, and exercising the patient's foot joints by reminding the patient's feet to perform an upward lifting action. Lifting the feet upward can exercise the calf muscles, including the gastrocnemius muscle and the tibialis anterior muscle, and can also help promote blood circulation in the lower limbs, which helps to reduce lower limb edema and prevent the risk of thrombosis.

The utility model relates to a sock capable of preventing a foot arch from falling. The sock comprises a sock body, a foot arch lifting piece, a fixing piece and a muscle massage piece. The sock body is a stocking, and the fixing piece is arranged at a cylinder opening of the sock body. The arch lifting piece extends in the length direction of a sock leg of the sock body, one end of the arch lifting piece is connected with the fixing piece, and the other end of the arch lifting piece is arranged at the position, corresponding to the human arch, of the sock body; the muscle massage piece is wound around the sock body and corresponds to the shank of the human body. The foot arch lifting piece has the functions of lifting and supporting the foot arch, the muscle massage piece has the function of massaging calf muscles, muscle fatigue is delayed, the descending height of the inner side longitudinal arch after foot fatigue is reduced, and therefore the exercise performance is improved.

The invention discloses a safety nursing device for preventing lower limb vein embolism after gynecological operation in the technical field of medical nursing, which comprises a fixing plate, the top end of the fixing plate is symmetrically and fixedly connected with first wrapping assemblies used for supporting the two legs of a patient and symmetrically and fixedly connected with second wrapping assemblies used for supporting the feet of the patient, a plurality of air bag layers are arranged on the inner surfaces of the first wrapping assemblies in a circular array mode, and massage assemblies are slidably connected to the interiors of the first wrapping assemblies; pushing assemblies communicating with the air bag layer are symmetrically arranged in the first wrapping assemblies. The pump assembly is communicated with the air bag layer; the pushing assembly is hinged to the massage assembly. Inflation pressurization / deflation decompression is performed through the air bag layer so as to press gastrocnemius muscle groups of the shanks of the patient, foot movement and shank massage of the patient are synchronously helped, the patient is helped to prevent lower limb vein embolism from multiple aspects, and the prevention efficiency is improved.

The invention provides a separating type tendon stretching leg massager and a control system thereof, belongs to the field of leg massage equipment, and solves the problems that an existing massager cannot perform leg separating massage and is poor in massage effect and the like. The massager comprises a seat and a leg massage box, a sliding frame mechanism is arranged in the leg massage box, two stretching massage mechanisms are arranged at the lower end of the front side of the sliding frame mechanism, a sliding rail mechanism is arranged on the front side of the sliding frame mechanism, and two leg side massage mechanisms and a plurality of leg rear massage sets are arranged on the sliding rail mechanism. The system comprises a data input module, a data processing module, a data acquisition module, a driving control module, an action planning module and a safety monitoring module. The massager is adjustable in height, wide in application range and capable of conducting leg separating type tendon stretching, ensuring the tendon stretching comfort level, conducting dynamic massage, improving the massage range and improving the massage comfort level. The system can perform real-time monitoring and dynamic adjustment, ensures the tendon stretching and massaging effects, can perform temperature control, and ensures the massaging and tendon stretching comfort.

The present invention provides a lower limb myotonia detection device, belonging to the technical field of lower limb myotonia detection. It includes a main body, which is fixedly connected to an examination bed, and also includes an upper detection mechanism, which is arranged on a side of the main body close to the examination bed, and the upper detection mechanism includes an additional adjustment frame, which is slidably connected to the inside of the main body, and the outer wall of the additional adjustment frame is fixedly connected to two connecting strips. After the calf of a patient whose calf and thigh cannot be straightened due to conditions such as hip ankylosis and knee osteoarthritis is placed in an approximate position, the present invention automatically adjusts the posture of the patient's calf when the upper detection structure approaches the lower detection structure to cover the calf muscle, so that the patient's calf muscle is placed in parallel between the upper detection structure and the lower detection structure for detection, which reduces the difficulty of adjusting the posture of the patient's body and lower limbs, thereby improving the efficiency of lower limb myotonia detection.

The invention discloses an ankle joint assistance method fusing myoelectricity and motion intention recognition, and relates to the technical field of auxiliary medical treatment, and the method mainly comprises the steps: synchronously collecting a myoelectricity signal and an ankle joint kinematics signal of a calf muscle group of a user; recognizing a motion intention and an expected motion amplitude of the user before the user generates an actual motion based on signal fusion analysis; generating a self-adaptive assistance strategy according to an identification result in combination with the user capability level; the power assisting action is executed through the motor, and output is dynamically adjusted according to the real-time motion amplitude; in the exercise process, the exercise effectiveness is evaluated by analyzing the matching degree of myoelectricity activation and the exercise amplitude, and correction is conducted by adjusting a power assisting strategy or providing feedback when invalid exercise is recognized; and finally storing the motion data and continuously optimizing the evaluation model and the assistance parameters based on historical data. Through deep fusion of electromyographic signal real-time sensing and an intelligent control algorithm, a major breakthrough of ankle pump movement from traditional passive execution to intelligent active cooperation is realized.

The utility model belongs to the technical field of health equipment, and particularly relates to a leg massager. Comprising a supporting frame body, and the middle of the supporting frame body is a supporting part and massage parts at the two ends; a swing mechanism is arranged in the center of the supporting part, and the supporting part can swing left and right through the swing mechanism. And a massage mechanism consisting of a plurality of rollers is arranged on the massage part. Wherein the support frame body provides support and comfort, the swing mechanism enables the support part to swing left and right, rollers of the massage part are designed according to ergonomics, the massage mechanism is composed of rollers, the structural design including the rollers is further optimized, the massage effect is improved, and calf muscles can be effectively massaged. Supporting, swinging and massaging functions are combined in design, comprehensive comfortable experience is provided, blood circulation is promoted, and muscle fatigue is relieved.

The invention relates to the technical field of medical instruments, in particular to a knee joint rehabilitation assisting exoskeleton device which is characterized in that sliding grooves are formed in the side walls of the two sides of a supporting plate, the upper end of the supporting plate is rotationally connected with a rotating rod through a bearing, one side of the rotating rod is fixedly connected with a driving motor, and the driving motor is fixedly connected to the supporting plate through a support; the device has the advantages that the driving motor drives the rotating rod and the bevel gear to transmit, the reciprocating lead screw drives the threaded sleeve to drive the massage roller to reciprocate in the shank muscle direction, the massage angle and strength are adjusted in cooperation with the electric telescopic rod, muscle ligaments around the knee joint can be dynamically massaged, blood circulation is promoted, and fatigue is relieved; the shank clamping ring and the thigh clamping ring are fixed through a hook-and-loop fastener elastic belt, a silica gel liner is arranged on the inner wall, meanwhile, a fixing block rotates in an annular groove through a sliding rod and is inserted into a clamping groove through an electric telescopic rod to be limited, the angle can be adjusted according to the leg shape of a patient, the wearing fitting degree and comfort are enhanced, skin compression is avoided, and loosening and displacement of the device are prevented.

The invention provides a limb trauma auxiliary rehabilitation device, and relates to the technical field of limb rehabilitation equipment.The limb trauma auxiliary rehabilitation device comprises a fixing base, a moving block is installed on the fixing base in a threaded mode, a shank supporting plate is rotatably installed at the top of the right end of the fixing base, and a driving plate is slidably installed at the bottom of the right end of the shank supporting plate; the driving plate is in transmission connection with the driving disc; a driving frame is further rotationally mounted at the right end of the shank supporting plate, two moving plates are mounted on the driving frame in a threaded mode, mounting bases are slidably mounted at the inner ends of the two moving plates, and the bottom of the driving frame is in engaged transmission connection with the top face of the driving plate. The driving plate is matched with the mounting seat to drive the sole to rotate in a reciprocating manner, so that the calf muscle of a patient is driven to be tightened and stretched in a reciprocating manner, the synchronous belt is matched to drive the massage roller to rotate, and auxiliary rehabilitation massage operation is performed on the calf muscle which is tightened and stretched in the reciprocating manner on the patient; and the auxiliary rehabilitation effect of the device is effectively improved.

The utility model belongs to the technical field of medical equipment, and relates to a leg bone fracture bending exercise system. According to the leg bone fracture bending exercise system, a toothed plate is arranged in the box body in a sliding mode, and a supporting roller is rotationally arranged at the upper end of the toothed plate. Motors are symmetrically arranged on the side edges of the box body, output shafts of the motors extend into the box body, first gears are fixedly arranged at the output ends of the motors, the first gears are meshed with the toothed plate, a transmission assembly is movably arranged in the box body, the input end of the transmission assembly is fixedly connected with the toothed plate, and a connecting plate is fixedly arranged on the lower portion of the supporting plate. The output end of the transmission assembly is fixedly connected with the fixing plate. The toothed plate drives the supporting plate to move in the sliding rail through the driving assembly so as to be matched with leg bending, when the shank of the patient is horizontal with the supporting plate, the shank just falls on the massage roller, shank muscles are massaged while bending is conducted, leg blood circulation is accelerated, and rehabilitation of the legs of the bone fracture patient is accelerated.

The present invention provides an electric ankle pump exerciser, which relates to the field of rehabilitation exercise technology. The electric ankle pump exerciser includes a base plate and an air box. Both sides of the top of the base plate are fixedly connected to vertical rails. The interior of the vertical rails is rotatably connected to a first ball screw. The outer side of the first ball screw is threadedly connected to a connecting arm. One end of the connecting arm extends to the outer side of the vertical rail and is fixedly connected to a guide rail. The interior of the guide rail is slidably connected to a first drive block. In the above scheme, the electric ankle pump exerciser can realize plantar flexion, dorsiflexion and circumferential movement of the patient's foot by providing a guide rail, a drive rail and a limit sleeve, so that the calf muscle group contracts and relaxes rhythmically, plays the role of a muscle joint pump, promotes venous blood return in the lower limbs, and does not require medical staff to manually assist patients in exercising, thereby freeing up human resources.

The invention relates to an intelligent ankle joint balance training device, and belongs to the technical field of medical instruments. Comprising a base, a supporting stand column, a bionic ankle joint connecting assembly and an induction type pedal are sequentially arranged above the base, a muscle electric signal collecting module is arranged above the pedal, and a mainframe box is further arranged on the base. The bionic ankle joint connecting assembly comprises a main flexion and extension joint shaft, an inclined joint shaft and a rotary joint shaft and simulates different motions of the ankle joint. The induction type pedal senses the foot state through a pressure sensor and the like, and the muscle electric signal collecting module collects calf muscle electric signals. And a microprocessor in the mainframe box combines the data and controls the joint shaft to move through an algorithm. And meanwhile, remote monitoring is realized by means of the wireless communication module, and interaction is assisted by the voice prompt and feedback function module. The trainer can accurately regulate and control training parameters, customize personalized rehabilitation schemes, improve the rehabilitation training effect and assist ankle joint function recovery and improvement of the life quality of a patient.

The invention provides lower limb muscle stiffness detection equipment, and belongs to the technical field of lower limb muscle stiffness detection. Comprising a main body, the main body is fixedly connected with an examination bed, the upper detection mechanism is arranged on the side, close to the examination bed, of the main body, the upper detection mechanism comprises an adding adjusting frame, the adding adjusting frame is slidably connected into the main body, and the outer wall of the adding adjusting frame is fixedly connected with two connecting strips. After the shank of a patient whose shank and thigh cannot be straightened due to conditions such as hip joint ankylosis and knee osteoarthritis is placed at an approximate position, the posture of the shank of the patient is automatically adjusted when the upper detection structure approaches the lower detection structure to cover the calf muscle; therefore, calf muscles of a patient are placed between the upper detection structure and the lower detection structure in parallel for detection, the difficulty of adjusting postures of the body and the lower limbs of the patient is reduced, and the efficiency of lower limb muscle stiffness detection is improved.

The invention relates to the technical field of sports protectors, in particular to an impact protection ski knee protection protector which comprises a cover-shaped protection plate, an upper support and a lower support, the upper support is hinged to the upper portion of the cover-shaped protection plate and used for bearing thigh muscle groups, and the lower support is hinged to the lower portion of the cover-shaped protection plate and used for bearing calf muscle groups. The radian curvature of the cover-shaped protection plate is matched with the shape of the knee joint of the human body, supporting protection air bags and elastic pressure guiding mechanisms are symmetrically arranged on the two sides of the coronal plane of the cover-shaped protection plate, and the elastic pressure guiding mechanisms are located on the outer sides of the supporting protection air bags. When the knee joint is bent, the upper support and the lower support generate relative angular displacement and synergistically act on the elastic pressure guiding mechanism to axially compress the elastic pressure guiding mechanism, gas in the elastic pressure guiding mechanism is forced to be conveyed to the supporting protection air bag, the supporting protection air bag is triggered to expand and extend, and the inner side and the outer side of the knee joint are dynamically restrained and supported; and air in the supporting and protecting air bag is pumped back so as to relieve compression constraint on the knee joint.

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.

The utility model relates to the technical field of leg rehabilitation, and discloses a leg rehabilitation assisting device which comprises a massage cushion, a fixing belt is fixedly assembled on the outer wall of the massage cushion, a first buckle and a second buckle are fixedly installed on the outer wall of the fixing belt respectively, rehabilitation assisting assemblies are arranged on the outer walls of the two sides of the fixing belt, and the first buckle and the second buckle are fixedly installed on the outer wall of the massage cushion. The outer wall of one side of the rehabilitation assisting assembly is connected with a thigh limiting sleeve in a clamped mode through a mounting nail. According to the rehabilitation training device, the legs of a patient are placed on the inner walls of the thigh limiting sleeves and the inner walls of the linings respectively, and the counterweight belts are arranged, so that balancing weights can be placed in the inner walls of the counterweight belts according to own requirements, the purpose of adjusting the rehabilitation intensity can be achieved, progressive rehabilitation training can be performed on the patient, and the rehabilitation training efficiency is improved. Rehabilitation of the patient is facilitated, rehabilitation training time of the patient can be saved, blood circulation of lower limbs is promoted, the effect of stimulation rehabilitation of calf muscles can be achieved, and the rehabilitation training effect of legs is improved.

The application discloses a leg and foot exercising device, which comprises a first plate, a second plate and a supporting piece. The first plate and the second plate are hingedly arranged. The panel on the side of the first plate away from the second plate is an A-shaped panel. The panel on the side of the second plate away from the first plate is a B-shaped panel. The A-shaped panel is provided with a first protrusion. The B-shaped panel is provided with a second protrusion. The supporting piece is arranged between the first plate and the second plate and is used for supporting the first plate or the second plate so that the first plate or the second plate is arranged in an inclined mode. The leg and foot exercising device has at least a first use state, i.e. the first plate is arranged in a horizontal mode and serves as a bottom plate, and the second plate is arranged in an inclined mode. The leg and foot exercising device also has a second use state, i.e. the second plate is arranged in a horizontal mode and serves as a bottom plate, and the first plate is arranged in an inclined mode. When the calf muscles are exercised, the A-shaped panel or the B-shaped panel can be selected to be in contact with the sole, different use feelings and exercising effects can be realized, and the full utilization and use flexibility of the product are improved.

The utility model relates to the technical field of rhythm instruments, and discloses a calf muscle supporting mechanism of a foot recovery rhythm instrument, which comprises a rhythm instrument and a foot sleeve fixedly connected to the top end of the rhythm instrument, a supporting limiting mechanism is arranged on the rhythm instrument, an angle adjusting mechanism is arranged on one side of the supporting limiting mechanism, and the angle adjusting mechanism is arranged on the other side of the supporting limiting mechanism. Firstly, a pulling plate is pulled to drive a positioning rod to move outwards, so that the positioning rod is separated from positioning, a limiting sleeve is shifted to rotate through rotating connection between a first rotating shaft and a connecting block, and an extension plate is driven to move in the process of rotating the limiting sleeve; the extension plate can be driven to rotate through rotary connection between a second rotary shaft and a limiting sleeve while the extension plate is rotationally attached to the crus skin, so that the extension plate can adapt to the crus of different users, a pull plate can be loosened after adjustment is completed, a positioning rod is pushed to be inserted into the inner wall of a first positioning hole through the springback effect of a first spring, and positioning is formed; therefore, the setting-off and limiting effects on the shank are achieved.

The invention discloses a knee bending assisting device for knee joint rehabilitation, and relates to the technical field of knee joint rehabilitation, the knee bending assisting device comprises a wheelchair, the wheelchair comprises a connecting plate, the rehabilitation assembly is assembled at the top of the connecting plate, and the rehabilitation assembly comprises positioning columns fixedly installed at the top of the connecting plate, the periphery of the positioning column is rotatably connected with a placing plate, the top of the placing plate is connected with a hook-and-loop fastener, the top of the connecting plate is fixedly connected with first fixing blocks, the inner walls of the first fixing blocks are connected through a first fixing column, the periphery of the first fixing column is rotatably connected with a first rotating block, and the bottom of the placing plate is fixedly connected with a second fixing block. A second fixing column is fixedly connected between the inner walls of the second fixing blocks, a second rotating block is rotationally connected to the periphery of the second fixing column, an electric push rod is connected between the second rotating block and the first rotating block, in the lifting process, the air bag tightly wraps calf muscles, deep massage is achieved, the muscles are relaxed, and muscular atrophy is prevented.

The present invention relates to a system for assisting persons who are disabled due to spine, hip and lower limb injuries, which uses a complementary support system that bypasses the damaged element, comprising: A frustoconical tubular strap (4p) which covers part of the thoracic area, a belt-strap (4w), a hip belt-strap (4h), a thigh strap (4m), a frustoconical strap (4rp) which is placed on the narrowing below the knee and rests on the upper area of the gastrocnemius or calf muscles, tibialis anterior and peroneus longus muscles, and a cover-strap of the lower area of the leg and the middle area of the foot (4pp). Some of these elements are joined and integrated together with the adjacent elements or joined by threading or by a tongue-and-groove joint by means of flat strips, corrugated strips, helical springs or springs formed by corrugated circular washers or rings that are stacked on top of one another, where all of them are actuated by pressure.

A monitoring system comprises sensors adapted to be worn by a user, and, a processor linked with the sensor. The processor receives sensor data and processes this data to determine user posture data including data indicative of vertical distance between level of the user's heart and ankle. Based on the posture data together with a value for degree of user chronic venous insufficiency and / or blood density, generate an estimate of user static venous pressure while the user is static, without calf muscle pump activity. The processor also processes the sensor data to determine if there is calf muscle pump activity, and generates an estimate of user active venous pressure according to the static venous pressure estimate, rate of calf muscle activity, and a value for degree of user chronic venous insufficiency. The processor may generate the venous pressure estimate in real time, and may control an NMES device accordingly.

The invention provides a limb movement rehabilitation treatment device, which belongs to the technical field of medical auxiliary equipment, and comprises two groups of limb movement pressure applying assemblies, each limb movement pressure applying assembly comprises a contraction ring, a connecting frame, a gear ring, a rack and a driving gear assembly; the two contraction rings sleeve the outer sides of the thighs and the shanks; the back of the arc-shaped toothed plate is slidably arranged on the outer side face of the other end of the opening of the contraction ring. The driving gear assembly is erected at the other end of the opening of the contraction ring and meshed with the arc-shaped toothed plate; one end of each connecting frame is fixedly connected with the outer side of the contraction ring, and the other ends of the two connecting frames are connected through a connecting spring; the gear ring is slidably embedded in the connecting frame and is in transmission connection with the driving gear assembly through the gear transmission assembly. By means of the device, when a trainee conducts walking training and in the middle and later stages of the supporting phase in the walking period, electrical stimulation and external force pressure applying are conducted on a shank muscle group and a thigh muscle group to simulate the muscle contraction process, and certain supporting is provided.

A full-angle synchronous tendon stretching mechanism for ankles and tibialis muscles, comprising a leg fixing frame and a foot fixing frame, wherein the leg fixing frame is slidably arranged on the foot fixing frame. Said tendon stretching mechanism further comprises a lifting drive assembly, a stretching drive assembly, a rolling drive assembly, and a ball connecting rod mechanism, wherein the lifting drive assembly drives the leg fixing frame to move up and down relative to the foot fixing frame, so as to stretch calf muscles; and the stretching drive assembly, by means of the ball connecting rod mechanism, drives a foot support frame to swing up and down around a rotary shaft, so as to stretch leg tendons. By using the described technical solution, three drive assemblies are separately arranged to separately control the calf stretching and the twisting of feet up and down or left and right, such that these drive assemblies can be operated independently or can be operated in combination simultaneously, thereby achieving the stretching motion of the calf muscle in the up and down directions and the twisting motion around the ankle in all directions, thus realizing the full-angle tendon stretching function for the ankles and tibialis muscles.

The utility model discloses a lower limbs auxiliary function exercise instrument, include: bottom plate, the top fixed connection of bottom plate has the support column, the right side swing joint first rotary column of support column, the circumference fixed surface of first rotary column is connected with fixed ring, the circumference fixed surface of fixed ring is connected with L shape fixed column, one end of L shape fixed column swing joint has second rotary column, one end fixed connection of second rotary column has the positioning column, one end fixed connection of positioning column has the footboard, the left and right sides fixed connection of footboard all have the fender, the front side fixed connection of fender has the shank guard tape. Through the cooperation of positioning column and footboard, the user can carry out effective exercise to leg muscle, especially the quadriceps femoris of the front side of the thigh, the biceps femoris of the back side of the thigh and the calf muscle, the design of shank guard tape and front fixed band can stabilize the foot and shank of user, and correct the foot drop of user.

A monitoring system comprises sensors adapted to be worn by a user, and, a processor linked with the sensor. The processor receives sensor data and processes this data to determine user posture data including data indicative of vertical distance between level of the user's heart and ankle. Based on the posture data together with a value for degree of user chronic venous insufficiency and / or blood density, generate an estimate of user static venous pressure while the user is static, without calf muscle pump activity. The processor also processes the sensor data to determine if there is calf muscle pump activity, and generates an estimate of user active venous pressure according to the static venous pressure estimate, rate of calf muscle activity, and a value for degree of user chronic venous insufficiency. The processor may generate the venous pressure estimate in real time, and may control an NMES device accordingly.