28 results about "Foot movements" patented technology

The invention discloses a pair of children's shoes and a preparation method thereof, and relates to the field of children's shoes, each of the children's shoes comprises an upper, a sole, a toe cap protection structure and a detachable orthotic insole, the upper is formed by sewing a breathable antibacterial composite fabric; scientific foot protection is achieved through multi-dimensional structure optimization, the 1 / 3 bending structure of the shoe sole accurately corresponds to the first-fifth metatarsophalangeal joint position of the foot, the 15-degree upwarp design and the 3-5 mm sunken structure accord with the foot movement track of a child during walking, running and jumping, the space in the shoe is increased, joint stress damage is reduced, the correction shoe pad is provided with supporting pads aiming at the transverse arch of the forefoot and the longitudinal arch of the inner side and the longitudinal arch of the outer side respectively, and therefore the correction effect is achieved. By the aid of pressure sinking convex-concave grooves in metatarsophalangeal joints and toe joints, plantar pressure can be dispersed, a normal physiological curve of an arch can be maintained, foot development deformity such as flatfoot, strephenopodia or valgus can be effectively prevented, and meanwhile, the surrounding heel cup with the height of 12 mm and the inner side heel cup cooperatively fix the heel to guarantee that the foot keeps a correct force line during movement.

The invention relates to medicine, and more particularly to a novel method for the control of stepping movements in patients with traumatic injuries or diseases of the spinal cord and / or the brain using transcutaneous electrical stimulation, which includes continuously stimulating the spinal cord at the level of the C5-C6, T11-T12 and L1-L2 vertebrae and simultaneously creating a synergistic effect to control foot movement by means of spatial-temporal stimulation of the flexor and extensor muscles of the lower leg in the corresponding phases of the gait cycle. This combined spinal and muscular stimulation enables a coordinated, complete gait, in which the patient is able to control the stepping movements, including controlling foot movements.

The application relates to the technical field of robot structure, and discloses a multi-form transformation robot which comprises a fuselage, a wheeled walking structure and a foot walking structure, the fuselage comprises a waist front baffle and a waist rear baffle; the wheeled walking structure comprises left walking wheels, a left side wheel connecting plate, right walking wheels and a right side wheel connecting plate, the left walking wheels and the right walking wheels are arranged below the left side and the right side of the fuselage respectively; the foot walking structure comprises a crotch, a leg, a foot and a thigh joint motor, one end of the crotch is connected with the fuselage, the other end of the crotch is connected with one end of the leg through the thigh joint motor, and the other end of the leg is connected with the foot. The application has the advantages that the robot can be flexibly switched between wheeled movement and foot movement, efficient movement on flat road surfaces can be realized, high adaptability in complex terrains can be realized, and the comprehensive mobility and application range of the robot are significantly improved.

The utility model provides an insole with a damping function. The insole comprises a body, a buffering piece, a front buffering piece and a rear buffering piece. Wherein the buffering piece, the front buffering piece and the rear buffering piece are integrally formed on the bottom surface of the body, the insole is made of a material with shock absorption and wear resistance as a basic material, the body, the buffering piece, the front buffering piece and the rear buffering piece are integrated and formed at the bottom of the insole through an integrally-formed hot-pressing process, and the body, the buffering piece, the front buffering piece and the rear buffering piece can be matched and combined in different colors. And the overall appearance of the insole is more layered. In addition, the buffer part and the balance beam are integrally designed in a 7 shape through the arc-shaped part, and collaborative optimization of foot movement supporting and stability is achieved. The arc-shaped part extends along the longitudinal arch of the foot arch and dynamically fits the shape of the foot sole during walking so as to form support; the balancing beams are arranged in the mode that the forefoot transversely extends to strengthen force exerting core areas on the two sides of the insole, the overall torsional rigidity of the forefoot is enhanced through a continuous supporting interface during steering or sudden stop or pedaling on the ground, and the lateral deviation and sliding tendency is restrained.

The invention discloses a vision-based standing long jump take-off violation detection method, which comprises the following steps of: setting a camera on the side surface of a standing long jump test area to acquire a video image, and calibrating four vertex coordinates of a rectangle in a take-off area and a take-off line edge point coordinate; key point coordinates, including left and right shoulders, elbows, wrists, crotches, knees, feet and tiptoes, of the testers in the take-off process are obtained based on 19 key point recognition models; calculating the coordinates of the key points to judge whether two feet are located in a take-off area, whether the two feet take off, whether footstep movement exists before take-off and whether the two hands contact the ground in front of a take-off line; and after the system is started, calculating a take-off violation score by integrating various judgment results, if the conditions that both feet are in an area, no step moves and no hand touches the ground are met in a set time window, judging that the condition is compliance, otherwise, judging that the condition is violation and outputting an early warning. The method can automatically and accurately detect the taking-off violation behavior of the standing long jump, and improves the fairness and efficiency of a sports test.

The utility model discloses a kind of double foot rehabilitation instruments of kicking ball obstacle surmounting. A kind of double foot rehabilitation instruments of kicking ball obstacle surmounting, including left handrail frame and right handrail frame, left handrail frame and right handrail frame are connected by a connecting rod, a winding drum is rotatably connected on connecting rod, and there is a training ball connected to the bottom of pull rope wound on winding drum;Connecting rod and winding drum are relatively fixed by locking mechanism;Obstacle surmounting assembly is installed on left handrail frame and right handrail frame;Obstacle surmounting assembly includes mounting plate, and mounting hole of matrix arrangement is opened on mounting plate, and mounting hole is used for detachably connected with horizontally arranged foam stick. The utility model realizes the rehabilitation training of two modes of kicking ball and obstacle surmounting. Through kicking ball, the rehabilitation training of foot movement strength is realized. Through obstacle surmounting, the training of foot lifting is realized.

The present application relates to the technical field of nerve monitoring, in particular to an intraoperative real-time feedback system and method for sacral nerve stimulation, the system comprising: a biological motion sensing unit for real-time monitoring of the body surface contraction movement of the perineum and perianal area and foot movement through a sensor and generating corresponding multi-modal sensing signals; a processing unit for receiving the multi-modal sensing signals and performing synchronization and feature extraction, inputting the extracted features into a pre-trained machine learning model to obtain a judgment result representing the effect of sacral nerve electrode implantation target point and the accuracy of the target point position; a feedback unit for receiving the judgment result and converting it into feedback information for unified display. The present application realizes objective quantitative evaluation through multi-modal signal synchronous perception and fusion, as well as integrated machine learning model, provides intelligent and predictive feedback beyond simple threshold judgment, and realizes precise guidance of electrode implantation.

The utility model relates to the technical field of medical rehabilitation instruments, in particular to a joint surgery postoperative limb rehabilitation exercise device which comprises a fixing bottom plate, a fixing transverse rod extending in the length direction of the fixing bottom plate is arranged at the top of the fixing bottom plate and located in the middle, and a forward and reverse motor is installed at the front end of the fixing transverse rod. The output end of the forward and reverse motor penetrates through the interior of the fixed cross rod and is connected with a driving screw rod, the driving screw rod is sleeved with a screw rod sliding sleeve in a threaded mode, and a distance graduated scale is arranged at the position, located on one side of the fixed cross rod, of the top of the fixed bottom plate. And by controlling the moving distance of the foot, the moving angle of the knee joint is controlled, and the rehabilitation device is suitable for different patients or different rehabilitation stages of the patients.

The utility model provides a waterproof shoe with a partial pressure elastic upper surface, which comprises a waterproof sole, a double-layer waterproof upper surface and water blocking curtains, the double-layer waterproof upper surface is fixedly arranged on the waterproof sole in a sealing way, the two water blocking curtains are adhered on the double-layer waterproof upper surface, and the two water blocking curtains are arranged in a mirror image way; according to the waterproof shoe, through the design of the double-layer waterproof upper, the waterproof performance is remarkably improved, and water is effectively prevented from being splashed into the shoe. The ventilation holes are designed to form convection, and the inside of the shoe is kept dry and comfortable. The water blocking curtain prevents water from entering while guaranteeing air permeability, and the double effects of water resistance and air permeability are achieved. The elastic partial pressure support provides support and cushioning for the foot, adapts to foot movement, and improves wearing comfort.

The application relates to a human action recognition and prediction method, which comprises the following steps: collecting foot acceleration data in real time; dividing a step phase based on the foot movement data, and constructing a step phase feature vector according to the foot movement data of each step phase; putting the step phase feature vector into a step phase classification model for classification and recognition to obtain a step phase classification result; and predicting whether the next action is a target action based on the step phase classification result. The application can accurately predict the target action and accelerate the starting speed of a response device.

The invention discloses a resistance type ankle pump exerciser which comprises a sole-shaped bottom plate, a vertical upward supporting pipe is arranged on the right side of the upper end of the bottom plate, the tail end of the supporting pipe is bent leftwards to form a horizontal part, a pull rope capable of being pulled to move is arranged in the supporting pipe, and the pull rope is connected with a soft foot sleeve arranged on the foot in a sleeving mode. The foot sleeves can be similar to dancing shoes and can be arranged into series of different sizes, the pull rope and the foot sleeves can be connected through tying and can be conveniently opened and replaced, a heel groove for containing a heel is formed in the left side of the upper end of the bottom plate, and the other end of the pull rope is connected with a pull block located in the supporting pipe. After the foot of a patient wears the foot sleeve, the pull rope can be pulled to perform ankle pump movement, and the pull rope generates resistance for foot movement.

The invention discloses an ankle pump movement auxiliary training monitor and a using method thereof, and relates to the technical field of medical auxiliary instruments. The device comprises a foot accommodating cavity, a supporting soft cushion, an image acquisition assembly, an image processor, a counter and a controller, wherein the supporting soft cushion is mounted on the inner bottom wall of the foot accommodating cavity; the image acquisition assembly comprises a first image acquisition device and a second image acquisition device, the first image acquisition device is used for acquiring foot image signals during foot stretching and bending movement, and the second image acquisition device is used for acquiring foot image signals during foot surrounding movement. The supporting soft cushion supports the ankle portion to enable the foot to be suspended, contact with the foot is avoided, and friction is reduced. The first image collector is used for collecting the foot position in the foot stretching and bending movement process, the stretching and bending angle can be judged, the second image collector is used for collecting the foot position in the foot surrounding movement process, and therefore the surrounding movement angle is judged, the patient can be helped to standardize the foot movement condition, the training purpose is achieved, and effective movement is achieved.

A motion determination apparatus, a learning apparatus, a motion determination method, a learning method, and a program capable of precisely representing motions of the overall body of a user without attaching trackers to the feet of the user are provided. A speed specification section specifies, on the basis of sensing data output from a tracker attached to a region of the upper body of a user, a direction of a speed of the region. An operative foot specification section specifies, on the basis of the specified direction of the speed, one of the left foot and the right foot of the user as an operative foot and specifies the other as an inoperative foot. A motion determination section determines, for each of the left foot and the right foot, a motion of the foot on the basis of whether the foot is the operative foot or the inoperative foot.

This invention provides an adaptive speed method for a lower limb exoskeleton based on a foot sensor. The lower limb exoskeleton has a hip joint that coordinates with the movement of the human hip and a knee joint that coordinates with the movement of the human leg. The method includes: S1: acquiring foot movement data of the lower limb exoskeleton during walking; S2: acquiring the posture of the hip joint during walking; S3: adjusting the output torque of the hip joint and the extension and flexion of the knee joint based on the foot movement data and the posture of the hip joint. This invention discloses an adaptive speed method for a lower limb exoskeleton based on a foot sensor. This method can ensure normal use on the existing control basis, while improving the responsiveness of human-computer interaction, thereby effectively enabling the lower limb exoskeleton to adapt to human speed.

The present application relates to the technical field of dance training auxiliary machines, and discloses a hip-hop big circle action training device, which comprises a protection mechanism, a base is arranged on the protection mechanism, the top of the base is fixedly connected with a plurality of supporting strips, and the top of the supporting strips is fixedly connected with a top plate; the feet of a trainer are fixed by using the force generated by the feet during training, the fixed feet can help the trainer to maintain a more stable posture, reduce the risk of poor training effect or injury caused by swinging or imbalance, and the feet of the trainer are fixed, the device can fix the legs of the trainer, can replace the trainer to hold the legs of the students, so that the trainer can train by himself, and the fixed feet of the trainer can reduce the error caused by inaccurate foot movement, so that the training is more accurate and effective.

The utility model relates to the technical field of medical instruments, and discloses a split type turning-over pillow which comprises a split pillow body for containing shanks and a slope pillow body for containing thighs, a containing groove matched with the shanks in shape is formed in the split pillow body, a slope groove matched with the thighs is formed in the slope pillow body, and a hip containing groove is formed in the front end of the slope groove. The tail end of the split pillow is connected with a decompression foot plate, the front end of the decompression foot plate is provided with a foot containing groove attached to the heel, and an electronic counter is arranged on the bottom face of the decompression foot plate. The lower legs and the thighs of a patient are placed on the split pillow and the slope pillow respectively, so that the orthopedic lower limb post-operation bed is more suitable for orthopedic lower limb post-operation patients; by arranging the pressure-reducing foot plate, the occurrence of heel pressure injury can be effectively prevented, the living quality of a patient is improved, and the safety of the patient is ensured; under the cooperation of the electronic counter and the composite cushion layer, the foot movement of the patient can be subjected to quantity statistics and force detection, the patient is helped to do rehabilitation movement, and the lower limb function is recovered early.

This invention discloses an exercise device for preventing lower limb thrombosis in heart failure, comprising a support plate, a lower limb fixation part, and a foot movement part. A vibrating part is installed inside the support plate, including a support plate that is raised and lowered within the support plate and a vibration motor that drives the support plate to vibrate. The lower limb fixation part is located on top of the support plate and includes an arc-shaped plate fixed to the top of the support plate. Multiple first airbags are equidistantly fixed inside the arc-shaped plate for segmented independent compression massage. The foot movement part is located at one end of the support plate and includes a foot fixing box for fixing the foot. A driving part is installed at the bottom of the foot fixing box for driving the foot fixing box to swing back and forth and left and right. In summary, this invention has the advantages of deep massage effect, promoting blood circulation, reducing the risk of thrombosis, reliable fixation, diverse exercise methods, and promoting lower limb blood circulation.

The title of the invention is 'Portable Electronic Step Board with the Ability to Recognize the Quality of Various Foot Movements.' The technical field of this invention relates to electrical and electronic engineering, utilizing a circuit with various electronic components. Overall, the application of this system, due to its smartness and ability to count different foot movements, spans universities, schools, sports centers, gyms, homes, and more. The system has been designed based on electronics and the functionality of an electronic circuit, utilizing data from pressure, force, weight applied, and the number of pressures exerted on the step board. Evaluating movement quality, distinguishing between correct and incorrect movements, and counting accurate foot movements in home or gym aerobic exercises, as well as sports competition judging, are challenging tasks requiring high precision. To address this issue, the designed system, based on data from foot impacts on the step board, provides precise output to the user, including the quality of movements, differentiation between correct and incorrect movements, the count of correct single and double foot movements, and time.

This invention discloses a vision-based jumping jack detection method. The technical solution includes: acquiring human body key point coordinate data through a camera; identifying foot opening and closing time frames based on a foot trajectory tracking and recognition algorithm by calculating trend scores, and filtering single-foot movement trajectories through time alignment to determine a set of time frames for simultaneous opening and closing of both feet; evaluating the quality of upper limb movements based on arm extension, arm upward extension, and hand clapping at the foot opening and closing time frames, and calculating a clapping action score; comprehensively judging the standardization of each foot opening and closing movement based on the arm lowering score between adjacent foot opening and closing time frames; and accumulating the number of opening and closing movements that pass the standardization judgment to obtain the final number of jumping jacks. This invention can accurately identify jumping jack movements and evaluate the standardization of movements, and can be widely applied in fields such as motion-sensing games, fitness guidance, and physical education.

The utility model discloses a pair of casual shoes with anti-cracking soles, which belongs to the technical field of shoes, comprises vamps, soles, tongues and buckle assemblies, and is characterized in that the vamps are fixedly connected onto the soles, the tongues are fixedly connected onto the vamps, the buckle assemblies are arranged on the vamps and the tongues, and the buckle assemblies are arranged on the vamps and the tongues. The buckle assembly is used for fixing the position of the shoe tongue on the vamp, so that foreign matters such as sand, pebbles or dust can be effectively prevented from entering the shoe, discomfort and pain of a foot are reduced, friction and discomfort caused by movement are reduced, the position of the foot can be better fixed, movement of the foot in the shoe during walking or running is reduced, and the safety of the shoe is improved. Better stability is provided, it is guaranteed that the shoe tongue cannot be accidentally loosened in the wearing process, the fitting degree and safety of the shoe are kept, the overall appearance and fashion sense of the shoe can be improved, foot movement during sports can be reduced, the sports performance is improved, and the injury risk is reduced.

The invention provides a multi-algorithm fused adaptive foot motion control method for a quadruped robot. The method comprises the following steps: S1, constructing a real-time terrain elevation map through multi-sensor fusion, extracting terrain feature parameters, performing real-time classification on terrain features by using a pulse neural network, and outputting terrain types and confidence coefficients; s2, dynamically adjusting CPG network parameters based on a terrain classification result, generating an adaptive rhythm signal, and solving a foot end force optimization problem according to a fuselage dynamic state and stability constraints; s3, based on terrain elevation information and obstacle distribution, a self-adaptive foot end movement track is planned through a self-adaptive foot end mechanism; s4, solving a joint angle through inverse kinematics, controlling an actuator to complete foot movement, adjusting control parameters in real time according to plantar pressure feedback, and inhibiting foot end slippage; according to the invention, the complex terrain environment adaptability can be improved, the movement stability is enhanced, the energy consumption is reduced, and the obstacle avoidance capability is improved.

This invention relates to the field of virtual 3D model interactive display technology, specifically a virtual try-on and interactive display device for shoes that integrates augmented reality technology. The device includes a data acquisition module; integrating an RGB camera, a depth sensor, and an inertial measurement unit, which synchronously acquire data from these three components through a preset timing synchronization protocol. This data is used to collect the user's three-dimensional foot contour data, foot posture data, and ambient brightness parameters. An AR fusion rendering module integrates the virtual shoe model with the real environment in real time. Employing a lightweight rendering engine based on physically based rendering combined with an ambient lighting compensation algorithm, the device achieves adaptive fusion between the virtual shoe and the real environment. Combined with high-precision foot posture tracking and occlusion compensation functions, even if the foot is obscured by trousers or socks, the contour can be completed by matching posture data with a contour database, ensuring that the virtual shoe deforms synchronously with foot movements and fits precisely.

This invention provides a foot-stepping exercise device that allows an assistant to easily assist the user's foot movements. [Solution] The device consists of a base to be installed on the floor and a main body, the base having a holding part to hold the main body, the main body being rectangular in plan view and consisting of an upper part and a lower part, the lower part having a bulging part that bulges downward and the bulging part being rotatably held by the holding part of the base, the upper part having a footrest consisting of a user's footrest for the user and an assistant's footrest for the assistant, the user's footrest and the assistant's footrest are each arranged in pairs symmetrically with respect to the center of the longitudinal direction of the upper part, the assistant's footrest is positioned outside the user's footrest and the footrest has a means to restrict the slippage of the feet.

The invention discloses a multi-posture stretching device and a seat, the multi-posture stretching device comprises a mounting base, a stretching assembly and a step locking assembly, and the stretching assembly and the step locking assembly are both arranged on the mounting base. The stretching assembly comprises a first linkage assembly and a second linkage assembly which are used for driving the footrest to move and driving the backrest to incline backwards and reset correspondingly, and the device can be driven to achieve adjustment of various postures. The multi-stage locking assembly is in transmission fit with the stretching assembly, multi-stage locking positioning can be achieved for the motion posture of the stretching assembly, the positions of the first linkage assembly and the second linkage assembly are fixed, the device is stably suspended at the needed comfortable angle, and the technical problems that an existing stretching device cannot achieve multi-posture graded locking positioning and is poor in posture keeping stability are solved.

The invention discloses a pair of dual-mode head-raising sports shoes, which comprises soles, and the soles are provided with half sole areas and heel areas; the head warping mechanism is arranged in the half sole area of the shoe sole and used for driving the half sole area to warp upwards relative to the heel area of the shoe sole; the linkage mechanism is arranged in the middle of the sole and is in linkage fit with the upwarp mechanism; and the triggering mechanism is arranged on the sole and is connected with the linkage mechanism. According to the dual-mode head-raising sports shoes, intelligent recognition is achieved through the pressure sensors and the controller, a user does not need to conduct manual operation, mode switching can be achieved only through natural foot actions, operation is convenient and fast, and experience is smooth; the hydraulic system provides powerful and accurately-controllable driving force, and by combining the variable throttling valve, the smoothness of the head warping action and the adjustability of the speed are ensured; the hydraulic system can provide stable and reliable supporting force in a head raising mode by utilizing the incompressibility of liquid so as to bear the weight of a user.

The utility model relates to the field of sandals, and particularly discloses a knitted sandal. The knitted sandal comprises a sole, a front upper fixedly connected to the half sole of the sole and a rear upper fixedly connected to the heel of the sole, an insole is fixedly connected to the upper surface of the sole, the front upper is composed of two shoelaces which intersect with each other, the two ends of each shoelace are fixedly connected with the sole, and the rear upper is fixedly connected with the sole. One end of the rear upper is fixedly connected with a connecting belt connected with the front upper, the other end of the rear upper is fixedly connected with a binding belt, and one side, deviating from the binding belt, of the rear upper is fixedly connected with a positioning piece which is used for limiting the binding belt. The crossed design of the front uppers can be flexibly adjusted along with the movement of the feet, the pressure of the instep is dispersed, the hard friction of the heel is reduced, the friction to the skin can be reduced, and therefore the wearing comfort can be improved.

The application provides a stair climbing and descending assistance phase recognition method, system and computer readable medium based on a random forest, which comprises the following steps: acquiring wearing sensor data of different human bodies in the process of performing stair climbing and descending actions and non-stair climbing and descending actions; determining the foot movement state according to the plantar IMU sensor data, determining the movement gait phase and labeling; constructing a training set by using the IMU sensor data of the thigh and calf positions in the wearing sensor data and the labeled movement state; training a stair climbing and descending assistance phase recognition model based on a random forest classifier; and finally, determining the IMU sensor data of the thigh and calf positions in the actual acquired human body action by using the assistance phase recognition model, and outputting the corresponding movement assistance state. The method of the application can be used for recognizing the assistance phase in the process of stair climbing and descending, has a simple sensor layout, saves the time consumed in the data labeling process, and can improve the recognition accuracy.