227 results about "Lower limb" patented technology

This utility model discloses a rehabilitation device for lower limb dysfunction with adjustable angle, relating to the field of rehabilitation technology. It includes a base frame and a computer operating unit. The computer operating unit is installed on the top of the base frame, which has an adjustable support unit on top and a body support unit on top of the adjustable support unit. The device utilizes four square blocks on both sides inside the foot pedal. Two of the blocks have Velcro fasteners (first type) on top, and the other two have Velcro fasteners (second type) on top. During use, the patient places their foot on the foot pedal, and the Velcro fasteners (first and second types) securely fix the foot to the pedal. This effectively prevents the foot from slipping or becoming unstable on the foot pedal due to weakened muscle strength or poor balance during rehabilitation training, thus ensuring the smooth progress and safety of rehabilitation training.

The application discloses a lower limb venous thrombosis prevention training device and particularly relates to the field of training devices. The device comprises a support frame, both sides of the bottom of the support frame are provided with placing grooves, a sliding block is slidably connected to the support frame, a limiting groove is fixedly connected with the sliding block and slidably connected to the support frame, two driving racks are symmetrically arranged on the two sides of the sliding block and fixedly connected with the sliding block, two first driving gears are respectively engaged with the corresponding driving racks, each first driving gear is rotatably connected to the support frame, two flexible shoes are symmetrically arranged and each flexible shoe can be detachably connected with the limiting groove and the first driving gear, and a driving assembly can be driven by a user to move the sliding block. The application solves the problem that the existing prevention training device is not suitable for the elderly patients with insufficient muscle strength and improves the initiative of patient training.

The utility model discloses a kind of anti-spasm body position laying pad of hemiplegic, it is related to medical instrument technical field, upper limb pad second end is movably connected with lower limb pad first end;Liftable side stop pad is movably equipped on upper limb pad, shoulder groove is equipped on the upper limb pad of one side of side stop pad, arm pad is movably equipped with in cooperation outside shoulder groove, wall groove is opened on arm pad;Two foot supporting members are movably equipped on lower limb pad, leg pad is movably equipped on one side of lower limb pad;By the cooperation of liftable side stop pad and magnetic support plate that can overturn, patient is supported to patient back when side-lying, side stop pad is overturned to first placing groove by 180 degrees, so that side stop pad bottom upper limb pad is flush, after turning out, arm pad can be used for the arm of lateral decubitus to be inserted into the wall groove of arm pad, arm pad is parallelly attached on one side of upper limb pad, can be folded and reduced in size conveniently carried or used for supine position.

This invention discloses a multi-position adjustable rehabilitation treatment bed, belonging to the field of medical device technology, including a support platform; a tray is provided on the support platform; a lifting adjustment mechanism is provided on the support platform to tilt the tray upwards; a head adjustment mechanism is provided on the front side of the tray to adjust the height of the patient's head; and a lower limb adjustment mechanism is provided on the rear side of the tray to adjust the patient's lower limbs in multiple positions. This invention enables rehabilitation movements such as standing up, leg raising, knee flexion, and head movement without requiring medical staff to manually lift and support the patient's limbs. It changes the traditional situation where rehabilitation exercises require multiple medical staff to operate together, effectively reducing the physical exertion of medical staff, saving the human resource cost of clinical rehabilitation, and solving the problems of high human resource input and high operational difficulty in traditional manual rehabilitation.

1. Name of the product in this design: Human lower limb rear-drive assist device. 2. Purpose of this design: To provide additional assistive force to the lower limbs of the human body. 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.

This invention relates to a fall-prevention mechanical lower limb, belonging to the field of mechanical lower limb technology. It includes two hip connectors, each with a mechanical lower limb arm hinged to one side. Supporting foot shells are fixedly installed at the bottom of both mechanical lower limb arms. The two hip connectors are connected by bolts. Deployment components are provided on the upper surface of each hip connector. An acceleration sensor is fixedly installed on the surface of one hip connector, and vortex air pumps are fixedly installed on the surfaces of both hip connectors above the acceleration sensor. This invention utilizes the eccentric state generated before a fall occurs, using the acceleration sensor to activate the deployment components to protect the user. The device first provides wrap-around protection to the user's upper body using an integrated elastic frame airbag, while the lower body uses adsorption fixation and extended support to prevent the entire device from falling over.

1. Name of the product in this design: Lower limb rehabilitation training device. 2. Purpose of this design: This design is used for rehabilitation training of the lower limbs. 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 article relating to the design of this application is a cushion that is worn above and below the knee, containing granular material inside, and is a cushion for correcting abduction of the lower limbs in a supine position.

The application discloses a flexible variable stiffness knee joint rehabilitation exoskeleton and a motion control method thereof. The flexible variable stiffness knee joint rehabilitation exoskeleton comprises a back fixing assembly, a thigh fixing assembly and a shank fixing assembly. The thigh fixing assembly and the shank fixing assembly are hingedly connected through a knee joint shaft group and are provided with a pose detection assembly at the hinge connection. An output wheel and an input wheel are connected through a Bowden cable group. The back fixing assembly is respectively provided with a controller, a driving mechanism, a nonlinear variable stiffness mechanism and an energy recovery mechanism. The device uses magnetic repulsion between a permanent magnet and a power coil to construct a nonlinear stiffness adjusting mechanism. The actuator is fixed on the human back through a bandage. The Bowden cable is used to realize remote transmission of the torque to the knee joint, thereby effectively reducing the load bearing burden of the lower limbs. In the swing phase of the gait cycle, the system uses the principle of permanent magnet cutting magnetic induction lines to realize energy feedback, thereby improving the overall energy efficiency of the assisting process.

The utility model discloses a kind of multi-posture lower limbs exoskeleton rehabilitation training devices, including bed-chair conversion mechanism, double scissor lifting mechanism, hip plate support mechanism, flexible lower limbs exoskeleton mechanism and power device.Bed-chair conversion mechanism is matched with tripod through electric push rod, realizes the conversion of lying, sitting posture and standing posture;Double scissor lifting mechanism adopts scissor structure and electric push rod to realize lifting, bottom is equipped with trundle;Hip plate support mechanism is matched with support rod by spring shaft, provides stable support under different postures;Flexible lower limbs exoskeleton mechanism includes hip joint and knee joint structure, hip joint is driven in parallel by Bowden cable and spring, knee joint is driven by electric push rod.The device is also provided with control handle, integrated rocker, OLED display, voice control and STM32 single-chip microcomputer, to facilitate patient flexible control.The utility model can realize the switching of multiple rehabilitation postures, improve rehabilitation training effect.

The utility model belongs to the field of surgical auxiliary instruments, and particularly provides a surgical triangular fixing frame which comprises a fixing frame body, a lower limb fixing support and an upper limb fixing support, the lower limb fixing support and the upper limb fixing support are used in cooperation with the fixing frame body, and a supporting plate is arranged in the surgical triangular fixing frame to improve the stability of the fixing frame. Through holes are formed in the operation triangular fixing frame, the supporting plate and the fixing support, when the operation triangular fixing frame is used, after the blood expelling and hemostasis lantern ring is well placed, a stretching rope of the blood expelling and hemostasis lantern ring is cut off, the rope is tied to the through holes to assist in fixing, the fixing firmness degree can be improved, and the anti-skid groove in the plate face of the operation triangular fixing frame can achieve the anti-skid and anti-disengagement effects.

The application discloses a physical cooling device for lower limbs in emergency treatment, which comprises a rack, a driving assembly, a motion assembly, a limb bracket and a linkage assembly. The crank disc of the motion assembly is connected with the driving shaft. The connecting rod and the rocker are driven by the pin shaft with adjustable crank radius, so that the limb bracket installed at the free end of the rocker reciprocates and drives the lower limbs of the patient to make passive movement. The protrusion of the linkage assembly is fixed on the crank disc and intermittently opens the micro switch to control the alcohol spray of the alcohol atomization source to be sprayed from the nozzle installed on the limb bracket, and the spraying direction is directed to the popliteal fossa position. The lower legs of the patient are driven by the motion assembly to make periodic reciprocating swing, the muscle pump effect is utilized to promote the venous return and local blood circulation of the limbs, the blood flow of the large blood vessel area at the popliteal fossa is accelerated, and the intermittent alcohol mist spraying of the linkage assembly is matched, so that the heat exchange efficiency between the blood and the cold medium is improved.

The utility model discloses a kind of knee joint walking aid bionic elastic device, thigh support plate, shank support plate, support frame movably set on shank support plate, first spring, the sliding seat movably set on the shank support plate and the second spring, the sliding seat is rotatably connected to the thigh support plate with elastic force exerted to support frame.Excellent knee joint walking aid bionic elastic device of the utility model, using the elastic supporting force of spring by slider technology makes thigh support plate extend upwards, after wearing human lower limbs, thigh is pushed up with elastic force, when user walks, feel that knee joint is in the supporting state of elastic force, can improve the use effect of knee joint walking aid.

This invention discloses a wearable assistive device for sitting and walking, belonging to the field of wearable lower limb assistive walking devices. The main body of the device consists of a segmented rigid support frame, a lower limb movable foot skeleton, elastic assistive components, and wearable fixing components. It integrates core components such as a pressure-distributing multi-functional waist belt for the abdomen, shoulder auxiliary pressure-distributing straps, multi-point detachable buckles, telescopic springs, elastic ropes, spring external protective indwelling hoses, thigh ring fixation brackets, calf ring fixation brackets, knee joint locking devices, and a rubber soft sole for easy removal. This invention abandons the traditional method of directly binding the limbs with elastic components, and adopts a structure that combines segmented rigid support with composite elastic assistance. The elastic tension is transmitted through the frame, avoiding leg compression and blood circulation obstruction. At the same time, the knee joint locking device locks the frame angle to achieve stable support for sitting posture, eliminating the need for a rear rigid carbon steel component. The shoulder, back, and waist pressure-distributing design reduces the load on the waist, the spring external protective hose prevents injury and snagging, and the upper and lower ring brackets provide directional limitation for the elastic components. The invention is a purely mechanical structure with no electronic control components. It is easy to wear and highly adaptable to different body types. It can simultaneously meet the dual needs of sitting rest and standing walking assistance, solving the problems of discomfort from pressure, cumbersome sitting support, disordered assistance, and easy strain on the waist in existing products. It is suitable for the elderly, people undergoing lower limb rehabilitation, and daily long-distance walking assistance scenarios.

The utility model discloses a special patient dress for lower limb operation patient relates to medical instrument technical field, including elastic waistband, the bottom fixed connection of elastic waistband has trousers main part, the bottom of trousers main part is equipped with combination trouser pipe, the inside of combination trouser pipe is equipped with protection mechanism, combination trouser pipe includes two elastic trouser pipe. The utility model adopts above -mentioned structure, and the protection mechanism of this device provides reliable protection for patient postoperative wound, and arc shape cladding shell is fixed in elastic trouser pipe through magic tape, and the wound is covered with the cladding shell by utilizing the articulated member, and buffer spring provides support with arc shape support, avoids the wound to be pressed, and torsional spring, carousel, connecting rod and limit stop etc. Parts cooperate, realize the stable closure of cladding shell, and the rotating adjusting wheel can open the cladding shell and change dress quickly, and the design gives consideration to protection and convenience, and does not influence the operation of changing dress while protecting the wound, and effectively promotes the clinical nursing quality.

The application discloses a lower limb pressurization control method of intelligent pressure socks, and relates to the technical field of medical pressure auxiliary devices and physiological parameter detection control; the method comprises the following steps: collecting body posture sensing data, lower limb volume change data, lower limb hemodynamic data and equipment pressure feedback data in real time, identifying a current posture state and a current activity state, setting a posture switching flag, judging whether the lower limb volume change data and the lower limb hemodynamic data are reliable, generating edema judgment results and venous return judgment results when the data are reliable, determining target pressurization intensity and target pressurization rhythm according to the judgment results, and executing real-time adjustment in combination with the equipment pressure feedback data; the application can improve the pressurization control stability and the venous return auxiliary reliability of the intelligent pressure socks in different postures and posture switching processes.

This invention discloses a roping-driven humanoid robot with centralized drive arrangement and its compliant control method, belonging to the field of humanoid robot technology. The robot includes: an upper limb torso with joint modules centrally arranged in a Y-shape; an upper limb system comprising a series-connected three-degree-of-freedom parallel attitude-adjusting roping-driven humanoid shoulder joint, upper arm, tension-amplified constant-torque constant-stiffness roping-driven humanoid elbow joint, forearm, rotation-decoupling differential roping-driven humanoid wrist joint, and hand; a pelvic-like structure including a 6-RUHU parallel lumbar joint; and a lower limb system comprising a series-connected hip joint, thigh, tension-amplified constant-stiffness roping-driven knee joint, lower leg, differential roping-driven ankle joint, and foot. This invention also discloses a forceless sensing compliant control method based on a motor current and dynamics model. This invention achieves centralized center of gravity, lightweight design, wide-range constant torque output, and safe and flexible interaction, making it suitable for service, collaboration, and other humanoid robot application scenarios.

The application relates to the technical field of behavior feature recognition, and discloses an anti-crosstalk biological rehabilitation electrical signal safety control method and system in a high-density scene. The method comprises the following steps: calculating a bilateral average distance according to an environmental distance; calculating a surface electromyogram signal root mean square value according to an electromyogram original signal; analyzing a pelvis tilt angle standard deviation according to the pelvis tilt angle; calculating a hip joint adduction auxiliary torque according to the surface electromyogram signal root mean square value and a gait phase; calculating a hip joint coronal plane impedance value according to the gait phase and the pelvis tilt angle; calculating an intention state according to the surface electromyogram signal root mean square value, the pelvis tilt angle and a channel state; calculating a hip joint driving torque according to the hip joint adduction auxiliary torque and the hip joint coronal plane impedance value; and calculating a system mode according to the bilateral average distance, the surface electromyogram signal root mean square value and the pelvis tilt angle standard deviation. The application improves the lower limb rehabilitation training efficiency by adaptively adjusting the gait.

1. Name of the product in this design: Prosthesis (H-50A single-bearing weight-bearing self-locking hydraulic knee joint). 2. Purpose of this design: for use in lower limb prostheses. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

Instruments, implants, bone plates, systems and methods for correcting bone deformities and fractures in the lower extremity are disclosed. Specifically, targeting instruments, implants, bone plates, systems and methods used for correcting bone deformities and / or fractures in the foot using compression are disclosed.

The utility model discloses an interventional post lower limb braking auxiliary tool, including main part and foot bottom support board, one end of foot bottom support board with main part articulates, be provided with at least one telescopic link for supporting the foot bottom support board position on the main part, the both ends of telescopic link are articulated with main part foot bottom support board, be provided with the first fixed band for fixing lower limbs on the main part, be provided with the second fixed band for fixing the foot of patient on the foot bottom support board. The utility model has the effect of promoting the blood circulation of patient's affected limb and effectively improving the comfort degree in addition to the braking effect.

This invention relates to an intelligent rehabilitation device and method based on machine vision and thermotherapy technology, belonging to the field of rehabilitation medicine and medical equipment technology. It includes: a multi-angle machine vision monitoring module; an intelligent positioning and temperature control module for the thermotherapy head, including a displacement adjustment mechanism, a thermotherapy head, and a temperature control system; an auxiliary flexion-extension mechanism and linkage control module, including a knee assistive support, a strap, and a drive assembly; and a real-time feedback and remote monitoring module. The multi-angle machine vision monitoring module, the intelligent positioning and temperature control module for the thermotherapy head, and the auxiliary flexion-extension mechanism and linkage control module achieve data fusion and closed-loop linkage control through a main control chip. This invention facilitates real-time and accurate monitoring of rehabilitation movements, intelligent positioning and dynamic temperature control of the thermotherapy head, quantitative evaluation of rehabilitation effects, and closed-loop optimization of training parameters, thereby improving the accuracy, safety, and patient compliance of lower limb joint rehabilitation treatment.

This invention provides a biomimetic lower limb robot prosthesis testing system and method, comprising: a humanoid robot testing body, a load module, a support module, and a data acquisition module; the humanoid robot testing body includes at least human lower limb joints for simulating human lower limb walking; the human lower limb joints include at least one of a knee joint, an ankle joint, and a foot module, and at least a portion of the human lower limb joints can be replaced with a prosthesis test unit, enabling the humanoid robot testing body to drive the prosthesis test unit for walking tests; the load module is disposed on the humanoid robot testing body for providing a target load to the prosthesis test unit; the support module provides a walking path for the humanoid robot testing body to perform walking tests; and the data acquisition module monitors the test parameters of the prosthesis test unit during walking tests. This invention can simulate real-world usage scenarios and achieve accurate testing of multi-dimensional prostheses.

This invention provides a lateral decubitus lower limb embedded positioning device, including a grooved support frame and an air supply tube. The grooved support frame includes a top support plate, a first support side plate, and a second support side plate. The first and second support side plates are connected to the two opposite long sides of the top support plate. The surface of the grooved support frame is covered with memory foam, and the surface of the memory foam is covered with a leather sleeve. The air supply tube is tightly wrapped with the memory foam and the leather sleeve at the corner connection between the inner surface of the top support plate and the first or second support side plate. The wall of the air supply tube has multiple air supply holes, one end of which is a closed end, and the other end is an open end used as an air inlet. The leather sleeve has multiple ventilation holes opposite to the air supply tube. This device can greatly shorten the lateral decubitus positioning time, put the patient in a comfortable and correct surgical position, effectively improve the success rate of surgery, reduce the occurrence of complications, and effectively warm the patient's lower limbs, reducing intraoperative hypothermia and the incidence of deep vein thrombosis.

This application provides an adaptive multi-terrain lower limb exoskeleton assistive control method and device. The device includes a backplate, a drive structure, a lower limb structure, sensors, a hip and knee joint transmission system, and a control system. The backplate provides stable support and reduces the device's weight; the lower limb structure enables a natural gait; sensors provide data for precise assistance through real-time monitoring; the hip and knee joint transmission system achieves dynamic torque distribution through pulleys and cams, improving assistance efficiency; the control system includes an electrically connected structure-adaptive allocation layer and a predictive adjustment layer. The predictive adjustment layer incorporates an offline-trained temporal convolutional network (TCN) torque prediction model, and the structure-adaptive allocation layer is electrically connected to the hip and knee joint transmission system. This application enables the lower limb exoskeleton assistive device to better adapt to the human body's natural gait, achieve dynamic torque distribution at the hip and knee joints, improve assistance efficiency and comfort, and enhance adaptability and practicality in complex sports scenarios.

The application relates to the technical field of orthopedic surgery navigation, and discloses a high-position tibial osteotomy navigation method, a system and a storage medium, and a communication method which comprises the following steps: generating a 3D bone model of a lower limb of a patient based on medical images and performing preoperative osteotomy planning; performing visual positioning system detection and spatial calibration of a surgical instrument; installing an optical marker array, collecting actual bone point cloud data, and realizing alignment of the model and the bone through a registration algorithm; in-surgery real-time calculation and display of deviation of an operation track and planning parameters; post-surgery reconstruction of a lower limb force line, and comparison and evaluation with preoperative planning and in-surgery navigation records. The system comprises a hardware execution unit and preoperative planning, calibration verification, in-surgery registration, real-time navigation and post-surgery evaluation modules. The application realizes full-process integration of preoperative accurate planning, in-surgery real-time closed-loop navigation and post-surgery quantitative evaluation, and significantly improves the precision, repeatability and predictability of clinical effects of surgery.

The application discloses a medical nursing pressure injury prevention device and belongs to the technical field of medical auxiliary devices. The device comprises a bed frame, the inside of the bed frame is fixedly connected with a first lying plate, one side of the first lying plate is provided with a second lying plate, the inside of the second lying plate is provided with a rotating roller, the lower end of the bed frame is provided with an adjusting assembly, and the lower end of the first lying plate is provided with a lower limb massage assembly. The adjusting assembly is arranged to adjust the angle of the second lying plate, so that the risk of exacerbation of the illness of the patient due to forced getting up is reduced. The handle structure is arranged to facilitate the patient to hold, so that the patient is prevented from falling due to the weakness of the upper limbs. The lower limb massage assembly is arranged to massage the lower limbs of the patient, so that the pressure injury of the patient due to long-time prohibition of the lower limbs is avoided. The practicality of the device is improved. The limiting mechanism is arranged to limit the massage block, so that the massage block is prevented from being separated from the inside of the first lying plate due to gravity.