1241 results about "Thigh" patented technology

The invention discloses a knee joint postoperative rehabilitation management system, which comprises the steps of building a hip-knee-ankle multi-joint associated diagnosis AI model, generating an evaluation result based on the hip-knee-ankle multi-joint associated diagnosis AI model, generating a staged rehabilitation scheme through reinforcement learning and a rehabilitation knowledge graph, and performing rehabilitation management on the rehabilitation scheme. Sensor data in the training process of a patient is collected through a detection suite and input into an action judgment model after being preprocessed, and the model outputs an action correctness score and an error type in combination with a shank-thigh axis consistency judgment algorithm and an action standard library; according to the action correctness score and the error type, the patient is guided to adjust the action, and rehabilitation training closed-loop management is achieved. The knee joint compensation relation can be accurately judged, the kinematic chain balance principle of knee rehabilitation training can be met, the correctness of actions during training can be accurately judged, and joint unbalance is avoided.

The invention relates to a chair for accommodating a person. The chair includesan upper body section having an upper body contact surface adapted or adaptable to at least parts of a front of a torso or a rear of a torso of a person placed on the chair, anda lower body section having a lower body contact surface adapted or adaptable to at least parts of at least a front of a thigh of the person, wherein the upper body section and the lower body section are arranged or arrangeable and fixable in a position relative to each other such that the upper body contact surface and the lower body contact surface cause a hyperextension posture of the hip joint of the person with a predetermined hyperextension angle. By forming the hyperextension angle of the hip on the chair, shortening of the anterior thigh and hip muscles can be counteracted. Also disclosed are a pressing device for application to the human body, which is adapted for use on a chair and which includes one or more pressure units each having at least one pressure head adapted to apply local or point pressure at a predetermined pressure location on the body of a person accommodated on the chair, and a chair having such a pressing device.

A method for generating a knitted article having a first, second and third opening, the knitted article adapted to cover at least a groin, a first thigh portion and a second thigh portion of a human body. The method includes using flatbed knitting machine to knit a first portion of the knitted article for covering the first thigh portion, then to knit a second portion of the knitted article for covering the groin and then to knit a third portion of the knitted article for covering the second thigh portion. The first, second and third portions of the knitted article form a one-piece, non-planar knitted article. A pair of edges of the knitted article are affixed to form a first seam, and another pair of edges are affixed to form a second seam facing away from the first seam.

The invention provides a hip joint exoskeleton robot anti-falling detection method, and relates to the technical field of exoskeleton robots, and the method comprises the following steps: setting a hip joint angle threshold value of a robot; collecting a hip joint real-time angle value of the robot; based on the collected hip joint real-time angle value and the hip joint angle threshold value, whether leg binding of the robot fails or not is judged; and in response to failure of leg binding of the robot, stopping applying forward current to a motor of the robot, applying reverse current to the motor of the robot according to the real-time angle value of the hip joint and the angle threshold value of the hip joint, and when it is detected that the leg binding is in a falling state and the rotation angle of the leg rod exceeds the set angle threshold value, stopping applying forward current to the motor of the robot. The motor timely provides reverse current to counteract inertia of upward movement of the leg rod, the leg rod is prevented from hitting the abdomen, the motor stops assisting when the leg rod falls back to the angle threshold value, the leg rod is prevented from hitting the thigh, and the robot can be used simply, efficiently, conveniently and safely.

The invention relates to the technical field of robots, and discloses an electro-hydraulic hybrid driving and driven humanoid robot lower limb and waist assembly which serves as a connection foundation of lower limbs and a robot trunk. The near ends of the thigh assemblies are connected with the waist assembly through hip joints; the near end of the shank assembly is connected with the far end of the thigh assembly through a knee joint; the foot component is connected with the far end of the shank component through an ankle joint; the hip joint is provided with three rotational degrees of freedom, the knee joint is provided with one rotational degree of freedom, and the ankle joint is provided with two rotational degrees of freedom; the rotational degree of freedom of each joint in a sagittal plane is driven by an active hydraulic actuator and a passive hydraulic actuator; the rotational degree of freedom of each joint in a horizontal plane and a coronal plane is driven by a motor joint module; the advantages of electric drive and hydraulic drive are brought into full play, and the problems of high power consumption in the negative work stage, complex traditional hydraulic drive pipelines and the like are solved by adopting an active and passive combined distributed hydraulic drive technology.

The present invention discloses a flapping-wing aircraft capable of catapult takeoff and having a sweep-torsion mechanism, belonging to the field of aircraft technology. The aircraft comprises: a fuselage frame, left and right flapping wings, a passive torsion mechanism, a sweep mechanism, a catapult takeoff mechanism, a transmission flapping mechanism, and a tail rudder, wherein: a passive torsion mechanism and a sweep mechanism are provided at the roots of the left and right flapping wings, the catapult takeoff mechanism is provided in the middle of the fuselage, and a hip joint, thigh, ankle joint, calf, foot, and toe joint are provided from top to bottom, the inner and outer sides of the hip joint are controlled by a servo motor for relative rotation, the ankle joint and toe joint are provided with elastic energy storage torsion springs, a synchronous pulley and its drive mechanism are provided between the outer side of the hip joint and the outer side of the ankle joint to control the relative rotation between the thigh and the calf, and perform energy storage for catapult takeoff. In summary, the aircraft can perform catapult takeoff flight, and can perform passive torsion and sweeping motions during the flapping of the wings, which helps to increase the flapping wing lift and the overall payload of the aircraft.

The invention relates to a humanoid robot leg structure and sole assembly based on rope driving, which comprises a hip assembly, a thigh assembly, a shank assembly and a sole assembly, the joint of the hip assembly and the thigh assembly is a hip joint, the joint of the thigh assembly and the shank assembly is a knee joint, and the joint of the shank assembly and the sole assembly is an ankle joint. A first driving source is arranged on the upper side of a hip joint and used for driving the hip to roll, a second driving source and a third driving source are arranged on the left side and the right side of the hip joint respectively and used for driving the hip to pitch and yaw, and a fourth driving source and a fifth driving source are arranged on the left side and the right side of the upper portion of a thigh assembly respectively and used for driving the hip to roll. The fourth driving source is used for driving the knee joint to move, the fifth driving source is used for driving the ankle to do pitching motion, and the sixth driving source is arranged at the joint of the shank assembly and the sole assembly and used for driving the ankle to do rolling motion. The dynamic performance of the whole robot can be improved.

Pants housing a catheter that drains to a collection bag, said pants having a left and a right panel, wherein each panel is a covering element has a continuous zipper tape that is coextensive with the fabric forming a pant, wherein the panels provide a selectable portlets to the collection bag mounted on a wearer's anterior thigh to activate drainage or to service a connection of the catheter to the collection bag, and a selectable port to inspect, tighten straps and / or replace the collection bag. It is anticipated that the wearer may be in a wheelchair when these actions are performed.

The invention discloses a passive power-assisted exoskeleton, and belongs to the technical field of auxiliary walking appliances, the passive power-assisted exoskeleton comprises a leg assembly, the leg assembly comprises a thigh supporting assembly, a shank supporting assembly, a crossed four-bar linkage assembly and an energy storage power-assisted assembly, the thigh supporting assembly is in power connection with the shank supporting assembly through the crossed four-bar linkage assembly, and the energy storage power-assisted assembly is in power connection with the energy storage power-assisted assembly; the energy storage assisting assembly comprises an elastic energy storage assembly, a brake cable, a guide wheel set and a cable length adjusting device. Passive power assisting is achieved through the energy storage power assisting assembly, the leg load is reduced, the wearing comfort and the feasibility of long-time walking are improved, the crossed four-connecting-rod assembly enables the motion trail of the exoskeleton to better conform to the natural motion trail of the knee joint of the human body, and the motion trail is more stable. Through the elastic energy storage assembly, the cable length adjusting device and the guide wheel set, the adjusting precision of the tensioning degree of the brake cable is improved, the influence of knee joint bending on the length of the brake cable is amplified, the compression degree of an elastic piece and the control precision of stored energy are improved, and the load-bearing auxiliary effect is greatly improved.

The present disclosure provides a leg guard having a toe guard, a shin guard, a knee guard including an extended kneecap wrap, a thigh guard, and an interlocking hinge. The interlocking hinge helps prevent an opening from forming between the thigh guard and the knee guard during play and prevents the leg guard from moving or rotating about the user's leg during movement. The leg guard also includes a slider assembly attached to the thigh guard that allows for the cushion pad to remain fixed against the thigh of the user while only the cover shell slides up and down the leg as the user assumes any one of a plurality of positions.

A shank outer link moves away from a thigh outer link in the longitudinal direction of the shank outer link and the shank outer link is drawn forward in a direction perpendicular to the longitudinal direction of the shank outer link relative to the thigh outer link as a knee joint of a user is extended. A shank inner link moves away from a thigh inner link in the longitudinal direction of the shank inner link and the shank inner link is drawn forward in the direction perpendicular to the longitudinal direction of the shank inner link relative to the thigh inner link as the knee joint of the user is extended.

The invention provides a compact lower limb exoskeleton hip pitching degree-of-freedom joint assembly which comprises a hip motor fixing plate and a hip motor, the hip motor is installed on the hip motor fixing plate through a hip motor fixing piece, the hip motor fixing plate is connected with a hip joint upper connecting plate and a hip joint lower connecting plate, and the hip joint upper connecting plate is connected with the hip joint lower connecting plate. A stable supporting structure is formed; a motor flange plate is mounted at the output end of the hip motor, and a motor output shaft is fixed on the motor flange plate to transmit torque generated by the motor; the other end of the motor output shaft is connected with a knee joint motor, and meanwhile the motor output shaft transmits power to the thigh rod connecting piece through a transmission bolt.

The invention relates to the technical field of medical supplies, in particular to an intelligent medical compression sock which comprises an elastic sock cylinder, a multi-mode sensor array module and a control host, the elastic sock cylinder is constructed to cover at least one part of a foot, a shank and a thigh, and toes are exposed out of the tail end of the elastic sock cylinder; the multi-modal sensor array module is integrated on the inner surface of the side, tightly attached to leg muscles, of the stretch sock leg, the multi-modal sensor array module comprises a plurality of micro pressure sensors, and the micro pressure sensors are non-uniformly arranged according to a lower limb vein anatomy distribution path and are mainly distributed in a great saphenous vein walking area and a gastrocnemius muscle belly area; the control host is externally arranged at the position, close to a sock inlet, of the rear side of the stretch sock leg, and a microprocessor, a communication module and a power supply module are arranged in the control host. The problems that an existing medical stretch sock is non-adjustable in pressure, single in function and lack of monitoring are effectively solved, and treatment individuation, datamation and intelligentization are achieved.

The invention relates to the field of rehabilitation equipment, in particular to elderly knee joint rehabilitation training equipment which comprises a bottom plate, and the top of the bottom plate is rotationally connected with a knee joint amplitude adjusting mechanism; the top of the knee joint amplitude adjusting mechanism is connected with the knee joint detection mechanism, and one end of the knee joint amplitude adjusting mechanism is connected with the pressure rehabilitation mechanism; the knee joint amplitude adjusting mechanism is connected to the side wall of the bottom plate, the driving mechanism is connected to the side wall of the bottom plate, and the output end of the driving mechanism is in transmission connection with one side of the knee joint amplitude adjusting mechanism. The knee joint movement range of a patient can be accurately adjusted, it is ensured that the angle and strength in the training process meet individual requirements, and the training comfort and effect are further improved.

The shin guard with a spring biased knee joint is adapted for use with the leg of an individual. The shin guard with a spring biased knee joint protects the leg of the individual from injury. The shin guard with a spring biased knee joint is a mobility assistance device. The shin guard with a spring biased knee joint assists the individual when the individual moves from a crouching position to a standing position. The shin guard with a spring biased knee joint incorporates a shin guard structure, a thigh guard structure, a knee guard structure, and a torsion spring structure. The shin guard structure attaches to the knee guard structure. The thigh guard structure attaches to the knee guard structure. The torsion spring structure assists in the movement from a crouching position to a standing position.

The leg device comprises a leg structure, a joint assembly, a heat conduction strip and / or a heat dissipation protection sheath wrapping a thigh shell, the joint assembly comprises a knee joint driving mechanism, and the knee joint driving mechanism is provided with a knee joint driving output end arranged in a joint connecting channel; the heat conduction strip is of a sealed cavity structure and is filled with heat conduction liquid, the heat conduction strip comprises a first heat conduction section and a second heat conduction section which are connected with each other, and the first heat conduction section is attached to the side, close to the thigh shell, of the knee joint driving mechanism; the second heat conduction section is attached to the inner side wall of the thigh shell and extends from the first heat conduction section to the shank component. According to the leg device, heat dissipation is achieved through the combination of the heat conduction strips and the leg shell, so that the overall structural arrangement of the leg device is more compact and smaller, the weight is lighter, the energy consumption of the robot can be reduced, and the movement flexibility and the response speed of the robot are ensured.

The utility model relates to the technical field of lifting pads, and discloses a lifting pad with a lifting function, which comprises a component placing mechanism, the component placing mechanism comprises a placing plate, thigh placing mechanisms are rotatably arranged in the middle of two sides of the placing plate close to one end, and each thigh placing mechanism comprises a positioning rod. Thigh telescopic plates are fixedly arranged between the two sides of the positioning rod, a first connecting rod is fixedly arranged at the end, away from the positioning rod, of each thigh telescopic plate, a first connector is rotationally arranged on the inner wall of each first connecting rod, and a knee joint placement mechanism is rotationally arranged at the other end of each first connector. According to the device, the length of each mechanism can be adjusted in time according to the length of the leg of a person, the height can be adjusted, the two legs can be supported at the correct positions, fatigue and pressure of the legs are relieved, blood circulation is promoted, wound healing is accelerated, the requirements of different people are met, and corresponding cost is saved.

The invention discloses a leg structure and a biped robot, and relates to the technical field of robotics.The leg structure comprises a hip lateral extension assembly, a hip pitching assembly, a hip turnover assembly, a thigh skeleton and a shank skeleton which are connected in sequence, and a knee joint assembly connected with the thigh skeleton and the shank skeleton; the output axis of the hip lateral extension assembly, the output axis of the hip turnover assembly and the output axis of the hip pitching assembly are perpendicular to one another, and the output axis of the hip pitching assembly is parallel to the output axis of the knee joint assembly; the hip lateral extension assembly can drive the thigh skeleton to rotate around the output axis of the hip lateral extension assembly, the hip pitching assembly can drive the thigh skeleton to rotate around the output axis of the hip pitching assembly, the hip turnover assembly can drive the thigh skeleton to rotate around the output axis of the hip turnover assembly, and the knee joint assembly can drive the shank skeleton to rotate relative to the thigh skeleton. According to the leg structure, the tail end mass of the leg structure can be reduced, the rotational inertia is reduced, and therefore the flexibility and cruising ability of the biped robot are improved.

The invention discloses a knee joint rehabilitation training device, and relates to the technical field of rehabilitation equipment. The problems that in the prior art, diversified rehabilitation requirements cannot be met according to rehabilitation stages of different patients, pedal training strength is fixed and cannot adapt to individual differences, and the patients are prone to insufficient training are solved. The device specifically comprises a base, and two symmetrical openings are reserved in the top face of the base; the top face of the base is connected with a leg training assembly through a bidirectional driving structure, and the leg training assembly comprises a thigh plate hinged to the edge of the top of the opening, two sliding grooves symmetrically formed in the outer wall of the top of the base and moving blocks slidably connected to the inner walls of the sliding grooves. The joint flexibility can be improved through repeated flexion and extension actions, hip-knee-ankle joint load distribution can be synchronously adjusted, excessive load bearing of a single joint is avoided, and the structure can meet diversified rehabilitation requirements, adapt to individual differences and assist a patient to recover a normal knee flexion angle early.

The invention discloses a kinematics monitoring method for rehabilitation after hip replacement, and relates to the technical field of kinematics monitoring. Comprising the following steps that monitoring elements are arranged, IMU sensor groups are arranged at hip joints and thighs, and a power module, a processor and a Bluetooth communication module are worn on a human body; data acquisition: the IMU sensor group acquires vector data of hip joints and thighs and transmits the vector data to the processor, the processor transmits the data to the PC terminal through the Bluetooth communication module, the PC terminal calculates a quadruple of hip bone angles and a quadruple of leg bone angles at the same time, then subtracts the quadruple of hip bone angles and the quadruple of leg bone angles to obtain a quadruple of relative included angles, and calibrates the quadruple of relative included angles; a plurality of standard poses in rehabilitation evaluation after hip replacement are selected as calibration references. A corresponding monitoring scheme is designed based on the multiple IMU sensors, a software and hardware system is formed, the hip joint angle of the patient is measured and calculated in real time, and a doctor is assisted in evaluating and guiding the postoperative rehabilitation exercise intensity of the patient.

A saphenous vein compression system(s) and methods of use including a wound bolster applied over the saphenous vein, a compression liner or stocking applied over the wound bolster, and a thigh therapeutic compression garment applied over both with the thigh therapeutic compression garment inflated for compression therapy on the thigh and saphenous vein of a user.

The invention discloses a sitting posture detection method, system, equipment and medium in a virtual learning cabin, and belongs to the technical field of man-machine interaction and health monitoring, and the method comprises the steps: collecting pressure values of hip and thigh areas of a user in the learning cabin in real time, constructing a pressure distribution cloud picture of a learning cabin seat, and extracting pressure health parameters; a depth image and an RGB image of a user are collected in real time at multiple angles, and key skeleton points of a human body are recognized through a skeleton recognition algorithm; performing three-dimensional reconstruction on the identified key skeleton points, constructing a three-dimensional skeleton model of the user, and extracting posture health parameters based on the three-dimensional skeleton model; and carrying out data fusion on the pressure distribution cloud picture, the three-dimensional skeleton model, the pressure health parameters and the posture health parameters, constructing a digital twinborn body, and carrying out user sitting posture state evaluation and early warning based on a preset risk level. According to the invention, multi-source sensing data can be realized, and the sitting posture can be accurately evaluated in real time.

The invention relates to a joint angle prediction model construction method and system.The method comprises the steps that seven-channel gait time sequence signals in a multi-terrain walking mode are obtained, and the seven-channel gait time sequence signals comprise thigh four-channel sEMG signals, hip joint angle signals and target joint angle signals; sequentially selecting gait time sequence signals of each channel according to a time sequence by using a sliding window, and carrying out feature vector extraction; generating a feature matrix by using the feature vectors extracted by a preset number of continuous windows, and constructing a model training data set; constructing a joint angle prediction model by using an LSTM network; and taking the time domain feature and the hip joint angle feature in the feature matrix as the input of the model, taking the target joint angle feature as the output of the model, and training and verifying the joint angle prediction model by using a model training data set. The thigh surface electromyogram signals and hip joint angle information are fused, fewer sensor channels are used, and the cost and complexity of the system are reduced.

A bone fixator as disclosed herein includes at least one removable portion, and is particularly suitable for external fixation of the bones of the femur and tibia (knee joint), the tibia to the foot (ankle joint), the lower leg, the lower thigh, or the forearm and hand. Embodiments allow multiaxial, multiplanar movement, as well as procurvatum and recurvatum, on the anatomy to achieve optimal placement. Embodiments of the fixator includes four fixator joints, each of which is articulating with multiple degrees of freedom. Some fixator joint(s) include a linkage bar connectable to a multi-pin clamp having a quick connect mechanism. The multi-pin clamp is configured for fixation to a bone. Other fixator joint(s) may be connected to the multi-pin clamp in a semi-permanent or non-detachable manner. A telescoping rod assembly allows adjustment of the length of the fixator by a single individual.

This invention discloses a lead apron support exoskeleton structure, including an upper body frame, a lower body frame, and a lead apron. The upper body frame includes a back frame and a lead apron frame. The lead apron frame is equipped with shoulder supports, and the lower end of the lead apron frame is connected to the back frame. The shoulder area of ​​the lead apron is equipped with shoulder pads, which are connected to the shoulder supports. The lower body frame includes a lumbar exoskeleton, a thigh exoskeleton, a calf exoskeleton, and an ankle exoskeleton. The back frame is connected to the lumbar exoskeleton. The lumbar exoskeleton and the thigh exoskeleton are connected by a hip joint mechanism. The hip joint mechanism includes a hip joint connector and a hip joint three-degree-of-freedom hinge. The lumbar exoskeleton, hip joint connector, hip joint three-degree-of-freedom hinge, and thigh exoskeleton are connected in sequence, making the lead apron and exoskeleton easy to wear, compatible with any lead apron on the market, easy to assemble and disassemble, and lightweight.

Knee-high and thigh-high compression legwear for right and left legs are disclosed. The legwear, made to be worn by people who have varicose veins, includes elongated pads that are adapted and configured to exert a pressure of about 20-30 mm Hg over the veins.

The invention relates to the technical field of knee joint exoskeleton devices, in particular to a clutch control type knee joint exoskeleton damping device and a control method. Comprising a pair of rotating assemblies which are rotationally connected; the pair of leg connecting assemblies are connected with the pair of rotating assemblies correspondingly, and the pair of leg connecting assemblies are used for being connected with the thighs and the shanks on the same side of the user correspondingly; the rotary damper is controllably coupled with the knee joint assembly; the clutch device is arranged between the rotary damper and the knee joint assembly, and the clutch device is used for switching the coupling state of the knee joint assembly and the rotary damper; and the control unit is used for judging a gait cycle phase and a motion mode according to the signal acquired by the detection unit, and controlling the clutch device to switch the coupling state of the knee joint assembly and the rotary damper according to a preset control rule. And the exoskeleton device can intelligently control the clutch device to dynamically adjust the damping state of the knee joint.

The knee joint linkage control ankle joint prosthesis comprises a base and a joint head, the base is connected with a foot plate piece, a hinge shaft is hinged to the base, the hinge shaft extends in the length direction perpendicular to the foot plate piece, the joint head is connected with a support, the supporting end of the support is connected with the hinge shaft, and a hinge piece is hinged to the support. The hinge piece is arranged close to the joint head and extends in the length direction perpendicular to the foot plate piece, a joint motor is hinged to the base, an output shaft of the joint motor is connected with a threaded rod, the threaded rod extends in the length direction perpendicular to the hinge piece, and the threaded rod is in threaded connection with a through hole in the hinge piece. A driving piece is connected between the shank piece and the thigh connecting piece, the shank piece is driven by the driving piece to rotate, and a controller on the shank piece is connected with the joint motor and the driving piece. The motion performance of the artificial limb is optimized through knee and ankle joint linkage control, proper supporting force and motion resistance are provided, the dynamic response capacity is improved, and therefore the walking stability and comfort of a patient are enhanced.

The invention discloses a rope-driven knee joint exoskeleton based on lead screw transmission, and relates to the technical field of robots. Through coupling of an internal rigid connection mode of the knee joint assembly and a flexible connection mode between the power assembly and the knee joint assembly, the wearing comfort is improved, the weight is reduced, and the device is more suitable for long-term wearing and training use of children. The exoskeleton comprises a power assembly, a knee joint assembly and a leg binding assembly. The knee joint assembly is bound to the leg through the leg binding assembly; the knee joint assembly comprises a thigh curved surface supporting piece and a shank curved surface supporting piece. The thigh curved-surface supporting piece is hinged to the shank curved-surface supporting piece; the power assembly is arranged on the thigh curved surface supporting piece; the power assembly is connected with the shank curved surface supporting piece through a traction rope. The knee joint exoskeleton is used for improving the performance of the knee joint exoskeleton.

The invention relates to a device (1) for treating a fracture, in particular a fracture of a proximal femur such as, for example, a femoral neck fracture, having a plate (3) for attaching to a thigh bone, one or more intraosseous screws (10) by means of which the plate (3), through intraosseous screw openings (14), can be fixed to a thigh shaft (4), a coupling device, in particular a bone screw (5), which is arranged proximally to the at least one intraosseous screw (10) and by means of which the plate (3) can be connected at a coupling device opening (6) through the thigh shaft (4) and a thigh neck (2) to a thigh head (7), wherein the coupling device is connected to the plate (3) with play (21) such that the coupling device can be moved in the lateral direction (8) relative to the plate (3). In order to achieve a particularly precise and simultaneous adjustability of the play (21), according to the invention an adjusting device is provided which is connected to the plate (3), which can be positioned at different positions relative to the plate (3) and by means of which the play (21) can be adjusted.