53 results about "Human leg" patented technology

This invention belongs to the field of exoskeleton technology, specifically a lower limb exoskeleton, including a drive system for controlling leg bone movement. This drive system comprises a composite drive component, a thigh linkage, and a lower leg linkage. The composite drive component is mounted on a waist assembly via a central axis, and a fifth hinge axis parallel to the central axis is positioned away from the central axis. The ends of both the thigh and lower leg linkages are movably connected to the fifth hinge axis, forming a parallelogram mechanism with the thigh and lower leg. Driven by a drive motor assembly, the composite drive component rotates, at which point the thigh and lower leg linkages respectively pull the thigh and lower leg to simulate human leg movement. By adding two additional connecting rods to construct the leg bone into a parallelogram mechanism, and driving the two additional connecting rods synchronously via a single drive motor assembly, the leg bone is controlled to simulate human leg movement.

This invention discloses a human fixation device suitable for lumbar puncture in children, comprising: a bed with an mounting surface; a thoracic restraint device disposed on the mounting surface, the thoracic restraint device including a first restraint surface and a first restraint strap, the first restraint strap binding the thoracic cavity of the human body to the first restraint surface; a lumbar guide assembly, the lumbar guide assembly being a guide plate for attaching to the lumbar region of the human body, the guide plate having guide perforations; and a leg restraint device rotatably connected to the mounting surface, the leg restraint device including a second restraint surface and a second restraint strap, the second restraint strap binding the human legs to the second restraint surface. The thoracic and leg restraint devices achieve restraint of the upper and lower body of the human body, and the restraint straps can simultaneously fix the patient's upper arm and forearm, thereby significantly reducing patient mobility and improving the restraint effect.

1. Name of the product in this design: Foot Massager (838Y). 2. Purpose of this design: For use in human leg and foot massage. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to an exoskeleton, in particular to a rope-driven auxiliary power-assisted lower limb exoskeleton, which is provided with a joint module for controlling a shank part to simulate the walking of a human leg part, and further comprises a rope-driven energy storage mechanism. The rope-driven energy storage mechanism comprises a pull wire and a spring energy storage part, the spring energy storage part is arranged on the shank part, one end of the pull wire is restrained to the spring energy storage part, the other end of the pull wire is restrained to the thigh part, and in the walking process, when the shank part moves downwards, the pull wire pulls the spring energy storage part to compress and store energy, otherwise, the spring energy storage part releases energy; and the auxiliary joint module drives the shank part to move upwards. The lower limb exoskeleton with the energy storage mechanism provided by the embodiment of the utility model is provided with the driving module of the knee joint, and is additionally provided with the passive power assisting structure for assisting the knee joint by utilizing gravitational potential energy of the leg, so that compared with the lower limb exoskeleton driven by the existing module, the driving module and the passive power assisting structure are combined, and the driving module and the passive power assisting structure are combined; the power requirement for the driving module can be effectively lowered, and meanwhile the battery life can be prolonged.

The utility model discloses a leg supporting device for orthopedic nursing, which relates to the technical field of leg supporting devices and comprises a base plate, a bracket is arranged above the base plate, a plurality of telescopic rods are mounted between the bottom end of the bracket and the top end of the base plate, and a mounting box is fixed on one side of the bracket. And a rotating rod is rotationally mounted on the other side of the interior of the bracket, one end of the rotating rod extends into the mounting box, and two supporting plates are fixed to the portion, in the bracket, of the outer wall of the rotating rod. The angle of the supporting plate can be adjusted by rotating and positioning the rotating rod, and the angle of the supporting plate is parallel to the human leg by matching with lifting of the supporting plate, so that the contact area of the human leg and the supporting plate can be increased, the compression force borne by the human leg is reduced, and the comfort level is improved; the effect of adjusting the height of the bracket or the angle of the supporting plate can be achieved, and the device can be automatically adjusted according to needs.

The utility model discloses a kind of leg plate mechanism applied to hip joint power-assisted exoskeleton, including leg bar, leg band mounting assembly and protection component, one end of leg bar is equipped with leg plate, leg band mounting assembly includes the leg band mounting hole being respectively arranged in the left and right sides of leg plate and the multiple groups of ventilation components being arranged between two leg band mounting holes, protection component includes the arc-shaped flap being respectively arranged in the upside and downside of leg plate, by being set as integrated component with leg plate and leg bar, the rigidity of overall structure can be guaranteed, the arc-shaped flap is respectively arranged in the upside and downside of leg plate, the length of setting arc-shaped flap is less than the length of leg plate, when the leg plate of different thickness of human leg is worn, the upper edge or lower edge of leg plate contacts human leg, stress concentration extrusion human leg occurs, and then improve wearing comfort, the utility model belongs to the field of robot design.

The utility model relates to an abdominal trainer which can assist human body to do the exercise of lifting legs on back, comprising an abdominal trainer main body which is suitable for holding with both hands when human body is on back, hand holding parts on the left and right sides of the abdominal trainer main body for human body to hold with both hands, and a soft pad on the abdominal trainer main body for human leg to touch and hit. With the help of the abdominal trainer, when human body does the exercise of lifting legs on back, since the soft pad on the abdominal trainer main body needs to be touched and hit every time the leg is lifted, the exercise of lifting legs is equivalent to adding a new element of touching and hitting target, so that the exerciser's interest in exercise is more easily aroused and the experience of human body exercise is improved.

The utility model relates to positioner technical field especially relates to a kind of positioner of knee joint puncture, including shank positioning rod, thigh positioning rod, sole connecting plate, the adjusting nut and butterfly bolt of being fixed in shank connecting plate far from the side of thigh connecting plate, first U-shaped elastic sheet, second U-shaped elastic sheet, first binding belt and second binding belt, after thigh and shank are folded, shank positioning rod and thigh positioning rod will follow human leg bending, find puncture point after, butterfly bolt is tightened again, butterfly bolt is locked and fixed by adjusting nut, when puncturing, since the leg of user is fixed on shank connecting plate and thigh connecting plate by binding belt and U-shaped elastic sheet, when butterfly bolt is tightened, it will limit the leg movement of user, solve the problem that part of user is prone to stress leg shaking before or during puncture, leading to puncture position deviation.

1. Name of the design product: calf massager. 2. Use of the design product: for massaging and physiotherapy of human leg. 3. Design points of the design product: in the shape of the product. 4. Picture or photo best indicating the design points: perspective view 1. 5. The bottom surface of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

The invention discloses a traffic accident wounded person safety protection transfer device, and belongs to the technical field of medical instruments. An automatic head locking mechanism is mounted on the left side of the top of the transfer bed body; an anti-twisting leg fixing mechanism is mounted on the right side of the top of the transfer bed body; the anti-twisting leg fixing mechanism comprises a supporting plate, a foot supporting plate, a rotating self-locking mechanism and a multi-stage folding limiting mechanism. Elastic bandages are fixedly mounted on the left sides of the front and rear ends of the transfer bed body; elastic bandages are also fixedly mounted at the front and rear ends of the supporting plate and the foot supporting plate; a magic tape is fixedly mounted on the elastic bandage; and the front and rear elastic bandages are bonded and fixed through magic tapes. By means of the mode, the head of a patient is limited and fixed through the head automatic locking mechanism, the front side and the rear side of the leg of the wounded can be limited and fixed through the multi-stage folding limiting mechanism according to the curve contour of the leg of the human body, the phenomenon that the shank is loosened during binding is avoided, production materials are saved, and the manufacturing cost is reduced.

1. The name of the design product: motor of knee pad. 2. The use of the design product: the overall use is to protect or massage the human leg, and the local use is to provide massage to the leg. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the design is a local design, the part covered by the red translucent layer in the design picture is not the part to be protected, and the part not covered by the red translucent layer is the part to be protected.

The utility model relates to the technical field of medical instruments, and discloses a multifunctional medical nursing pillow. The pillow comprises a pillowcase, a heating film, a supporting air bag, a latex inflation ball, an air valve and an inflating valve. A streamline and double-groove design fitting a human leg structure is adopted in the appearance, supporting of two legs and comfort of a patient can be effectively guaranteed, meanwhile, the shank side is higher than the thigh side, it can be guaranteed that the far-end shank is higher than the heart, and blood backflow is promoted. The height and the supporting part of the nursing pillow can be flexibly adjusted through the three adjustable inflation and deflation supporting air bags. Meanwhile, the supporting air bag replaces a traditional cotton core nursing pillow, is lighter, can be folded and is convenient to store. The multifunctional nursing pillow overcomes the defects that an existing nursing pillow is single in function, poor in comfort and the like, and a stable, comfortable, scientific and flexible supporting nursing platform can be provided for bedridden patients.

The invention provides a breathable casual shoe imitating the shape of a human foot bone and a preparation method of the breathable casual shoe. The breathable casual shoe imitating the shape of the foot bone of the human body comprises a sole; the supporting bottom is arranged at the top of the sole and is used for increasing the supporting force of the sole; the vamp is sewn on the supporting bottom through a sewing line and is used for protecting the instep. According to the breathable casual shoe imitating the human foot bone shape and the preparation method thereof, the breathable holes are formed in the vamp to assist in breathability, air circulation is improved, stuffiness is reduced, the supporting bag is arranged at the top of the insole to be attached to the arch curve, plantar pressure is dispersed, arch fatigue is relieved, and the comfort level of the shoe is improved. The sole and heel support is intensified in a targeted manner by sticking the wear-resistant pad, so that the sole and heel support fits the human leg and foot bone form, pressure can be dispersed, impact force can be absorbed, joint injury can be reduced, and the service life can be prolonged.

The application belongs to the technical field of robot application, and particularly relates to a variable-configuration balance car, which comprises a control unit, a moving wheel, a driver and a wheel-leg structure, wherein the wheel-leg structure comprises a thigh swing assembly, a knee rotation assembly, a first foot rotation assembly and a second foot rotation assembly. The first foot rotation assembly and the second foot rotation assembly are used to simulate the downward pressing and left-right swinging movement of the foot, the thigh swing assembly is used to realize the front-back swinging of the knee rotation assembly and the moving wheel as a whole, and the knee rotation assembly is used to realize the front-back swinging of the moving wheel alone. Thus, the above-mentioned wheel-leg structure is used to realize the simulation of the human leg and foot movement, the moving wheel can be converted into different movement forms, various gait configurations are formed, the flexible switching between the wheeled robot and the foot-type robot is realized, and thus the variable-configuration balance car can adapt to different special geographical environments such as rugged and obstacle steep slopes, uneven and obstacle road surfaces, etc., the application range is expanded, and the movement in complex environments is coped with.

The invention relates to an exoskeleton control method based on a man-machine dynamics model and a lower limb exoskeleton device. The method comprises the following steps: selecting a program mode of an exoskeleton; in the following mode, joint movement data and active torque of a wearer are collected to construct a database; in the power assisting mode, a human leg-trouser body-exoskeleton dynamic model is established based on the database, and online parameter identification is carried out; kinematics parameters of all links are calculated through forward kinematics; establishing a system state space equation by combining dynamics and kinematics parameters; judging the real-time motion state of the wearer by using a deep learning neural network, and generating a corresponding expected control rule; and the exoskeleton is driven and cyclically executed, so that self-adaptive control in continuous motion is realized. The exoskeleton device comprises a thigh supporting part, a shank supporting part and a flexible buffering belt which are combined with the pants body, and dynamic fitting and force transmission between a man and a machine are achieved. High precision of the exoskeleton is achieved, and the naturalness and efficiency of assistance are improved.

The present invention relates to a portable intraosseous access simulator (1) designed to mimic the anatomical features of the proximal tibia region of a human leg for training purposes. The simulator includes a skin-like material (1a), a cavity (1b) housing a multilayered bone module (3) with a subcutaneous tissue layer (3b), a bone layer (3c), and a marrow cavity (3g). The bone module (3) is adjustable via a knob (3h) and provides haptic feedback during needle insertion. A fluid simulation system comprising tubing (5), a multi-valve (14), and a syringe (6) enables realistic marrow aspiration and infusion. Integrated systems include a camera (10), display (11), speaker (12), and artificial intelligence module for analyzing needle placement and trainee performance. Additional features include Hall effect sensors (13) and strain gauge sensors (14a, 14b) for force and position analysis. The simulator supports multiple punctures, data storage, and remote feedback, ensuring effective and ethical training.

1. The name of the design product: leg-holding pillow (heart). 2. The use of the design product: flexible cushion for supporting human legs. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application belongs to the technical field of exoskeletons, and particularly relates to an exoskeleton device for rehabilitation training, which comprises a chassis and a lower limb exoskeleton; a moving assembly is arranged at the rear part of the chassis, and a supporting assembly is arranged at the front part of the chassis; the moving assembly comprises a first orientation telescopic rod capable of stretching and retracting along the Z-axis direction and a horizontal adjusting base plate capable of controlling the first orientation telescopic rod to move along the X-axis and / or the Y-axis; the end part of the rear end of the calf bone is connected to a terminal connecting assembly; the first end of the terminal connecting assembly is coaxially movably connected to the top end of the first orientation telescopic rod, the second end of the terminal connecting assembly is hingedly connected to the end part of the calf bone, and the hinge axis I is perpendicular to the first orientation telescopic rod. The lower limb exoskeleton in the exoskeleton device for rehabilitation training can simulate various conventional movement actions of the human leg and assist the user with lower limb dysfunction to perform leg training. Compared with the existing lower limb rehabilitation training exoskeleton device, the embodiment can assist the leg to make more movement actions, thereby producing a better rehabilitation effect.

The invention provides a massaging shoulder and neck massager with a beating function, a beating mechanism and a massaging mechanism are arranged in the massaging shoulder and neck massager, and a left massaging arm and a right massaging arm are movably arranged at the two ends of a massaging driving assembly; a beating motor driving assembly is mounted at a rear mounting position of a bottom shell of the mechanism; a beating motor drives a double-end eccentric shaft to decelerate through a speed reducing mechanism, beating connecting sleeves are movably mounted at eccentric shaft ends at two ends of the double-end eccentric shaft, and ball heads at the other ends of two connecting ball head rods in the beating connecting sleeves are movably connected in lower semicircular holes formed in the lower ends of a left massage arm and a right massage arm; compared with the prior art, the shaking massage mechanism has the advantages that the beating massage function is added on the basis of kneading massage, and better massage experience and massage rehabilitation curative effect can be achieved; the back sides and the two sides of the legs of a person are massaged, and a better health care effect is achieved.

The invention discloses a panty-hose elasticity detection device and a detection method, relates to the technical field of textile detection equipment, and aims to solve the problem that a detection mode of an existing elasticity detection device cannot truly simulate the stress condition of panty-hoses in a human wearing state. According to the technical scheme, the detection device comprises a machine body, a structure used for supporting and fixing the device, a clamping mechanism arranged on the machine body and used for clamping and fixing the waist of the pantyhose, and an expansion mechanism arranged on the machine body. According to the invention, the air bags which are in the shape of the legs of the human body after being inflated are adopted to radially expand the panty-hose from inside to outside, so that the stress condition of the panty-hose in the wearing state of the human body is truly simulated. The problem that in the prior art, a linear stretching method is not strong in relevance with actual wearing experience is fundamentally solved, detection data can more accurately reflect the wrapping feeling, the pressure uniformity and the comfort degree of the pantyhose, and therefore the accuracy and the guiding significance of a detection result are remarkably improved.

The utility model relates to a leg and knee cold and hot compress device which comprises a square outer sleeve, a containing cavity is formed in the outer sleeve, a condensation rubber piece used for storing temperature is arranged in the containing cavity, a plurality of fixing belts are arranged on one side of the outer sleeve, the fixing belts are detachably connected with the other side of the outer sleeve, and the fixing belts are arranged on the outer sleeve. The heating assembly is laid on the condensation rubber piece, the heating assembly is used for heating the condensation rubber piece, heat is conducted to the outside through the outer sleeve, the installation base is fixedly connected with the outer sleeve, a first electric conductor is arranged on the installation base, and a second electric conductor is arranged on the first electric conductor. And the power supply assembly is detachably connected with the mounting seat in a clamping manner. According to the leg and knee cold and hot compress device disclosed by the utility model, the leg and knee cold and hot compress device is adaptive to leg and knee parts with various outer diameters, and is more fit with the leg and knee parts of a human body by matching with the condensation rubber piece.

This utility model discloses an exoskeleton leg plate structure, including a leg rod, a leg plate, and a leg plate reset assembly. One end of the leg rod is provided with a connecting block that can limit the pitch angle of the leg plate. The leg plate reset assembly includes a slide groove arranged along the vertical direction of the leg plate and push plates respectively arranged at the upper and lower ends of the slide. Each push plate is provided with a reset spring between it and the slide. By providing a pitch degree of freedom between the leg rod and the leg plate, the bottom of the leg plate can be kept in close contact with the human leg. By setting the leg plate reset assembly, a vertical sliding degree of freedom is realized between the leg rod and the leg plate, which can overcome the problem of vertical sliding caused by the exoskeleton drive structure and the human hip joint structure being out of sync and moving asynchronously. By providing a left-right swing degree of freedom between the leg plate and the leg rod, and setting the length of the swing block to be greater than the width of the slide groove to limit the swing amplitude of the leg plate, comfort can be effectively guaranteed while ensuring the assistive effect. This utility model belongs to the field of robot design.

The invention provides a training device for exoskeleton rescue wearable equipment, and belongs to the technical field of exoskeleton training. Comprising a thigh robotic arm and a shank robotic arm, the inner surface of the thigh robotic arm is fixedly connected with a thigh fixing assembly, the thigh fixing assembly is used for fixing the thigh of a user, the inner surface of the shank robotic arm is fixedly connected with a shank fixing assembly, and the outer surface of the shank fixing assembly is fixedly connected with an adjusting assembly. The thigh fixing assembly and the shank fixing assembly are arranged, and the thigh sleeve, the tibia anterior muscle positioning plate, the gastrocnemius muscle positioning plate and the achilles tendon positioning plate are structurally arranged to conform to the shape of the contour of the leg of the human body, so that on one hand, the adaptability of the fixing assembly to the shape of the leg of a user can be improved; on one hand, when the user uses the exoskeleton equipment, the fixing assembly is used for limiting and protecting the legs, and then the safety of the legs of the user is improved.

This utility model belongs to the field of clothing technology, specifically relating to a three-dimensional leg-shaped jeans. This utility model provides jeans comprising a front panel, a back panel, and a waistband. When each back panel is laid flat, the thigh section on the seam side of the back panel has a natural arch, thus making the finished jeans more conform to the three-dimensional shape of the human leg.

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 application provides an adaptive variable instantaneous center artificial knee joint, which comprises a pneumatic muscle driving assembly (10) and a knee joint assembly (20). The knee joint assembly (20) comprises a thigh (21), a shank (22), a first connecting rod mechanism (23), an adjusting rod (24), a second connecting rod mechanism (25) and a rotating rod (26). The two sides of the thigh (21) and the shank (22) are connected through the rotating rod (26), the first connecting rod mechanism (23) is arranged between the thighs (21), the second connecting rod mechanism (25) is arranged between the shanks (22), and the first connecting rod mechanism (23) and the second connecting rod mechanism (25) are connected through a central shaft (200). The artificial knee joint can solve the problem of poor coordination between the existing artificial knee joint and the human leg. Meanwhile, the artificial knee joint can meet the needs of most users and adapt to the instantaneous center rotation track of different human knee joints, and has a wide application range.

The invention discloses a plantar impact force dynamic estimation method based on a mass distribution model, and relates to the technical field of biomechanical measurement, and the plantar impact force dynamic estimation method comprises the following steps: collecting three-axis acceleration of a human leg through an inertial measurement unit; carrying out gait segmentation based on the three-axis acceleration, and recognizing a landing point; a preset number of acceleration sampling points before and after each landing point are extracted, and the average value of acceleration amplitudes is calculated to serve as impact acceleration; based on the current relative gait postures of the two feet, the supporting states of the feet on the side and the opposite side are determined, and the mass distribution proportion is calculated according to the supporting states; estimating the plantar impact force according to a formula F = ma in combination with the impact acceleration and the mass distribution proportion; and outputting the estimated value of the plantar impact force. According to the method, the landing point is obtained through gait segmentation, after the acceleration characteristics are extracted, biomechanical correction is conducted in combination with the leg mass distribution proportion, and higher-precision estimation of the plantar impact force is achieved.

The invention relates to an exoskeleton adaptation mechanism based on flexible and elastic suspension support. The exoskeleton adaptation mechanism is characterized by comprising a thigh structure assembly, an electric appliance driving assembly, a shank structure assembly, a binding connection assembly and a leg adaptation assembly; each of the thigh structure assembly and the shank structure assembly is divided into two parts, when a user wears the device, the part located on the inner side of the leg is marked as an inner side piece, and the part located on the outer side of the leg is marked as an outer side piece; the outer side part of the thigh structural component is connected with the fixed end of the electric appliance driving component, the outer side part of the shank structural component is connected with the output end of the electric appliance driving component, the inner side parts of the thigh structural component and the shank structural component are connected through pins and gaskets, and torque output by the electric appliance driving component is transmitted to the inner side parts from the outer side parts. The binding connecting assemblies are distributed on the front sides and the rear sides of the thigh structure assembly and the shank structure assembly and used for being fixed to the legs of the human body through flexible binding belts and providing stable supporting. The leg adaptation assembly is fixedly connected with the lower end of the inner side piece and the lower end of the outer side piece of the shank structure assembly, the leg adaptation assembly makes close contact with the rear side of the shank when worn, and it is ensured that the exoskeleton is matched with the human leg in different motion states.

1. The name of the design product: leg part open body position pad. 2. The use of the design product: the design product is used as the separate support and fixation of the human leg. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.