709 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 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 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 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.

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.

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 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 provides a humanoid robot and a leg structure thereof. The leg structure comprises a hip joint module which comprises a hip joint pitching driving module and a hip joint turnover driving module; the thigh module comprises a thigh body; the knee joint module comprises a knee joint pitching driving module; the shank module comprises a shank body, a first ankle joint driving module, a second ankle joint driving module, a first connecting rod and a second connecting rod; and the ankle-foot module comprises an ankle supporting seat, an ankle cross shaft piece and a sole.

The invention discloses a hip structure, a leg structure and a biped robot, and relates to the technical field of robotics.The hip structure comprises a hip lateral extension assembly fixing base, a hip lateral extension assembly, a hip pitching assembly and a hip turnover assembly, the hip lateral extension assembly comprises a hip lateral extension connecting piece and a hip lateral extension joint, and the hip pitching assembly comprises a hip pitching connecting piece and a hip pitching joint; the hip turnover assembly comprises a hip turnover connecting piece and a hip turnover joint; the hip lateral extension connecting piece is fixedly installed on the hip lateral extension assembly fixing seat, the output end of the hip lateral extension joint is connected with the output end of the hip pitching joint, the hip pitching connecting piece is connected with the output end of the hip turnover joint, and the hip turnover connecting piece is used for being connected with a thigh skeleton. According to the hip 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 multi-angle traction fixing device for a knee joint operation, relates to the technical field of medical instruments, and solves the problem that the bending angle of a knee joint cannot be conveniently adjusted. A multi-angle traction fixing device for a knee joint operation comprises a bed body, a groove is formed in the side, close to a bed tail, of the upper end of the bed body, symmetrical supporting seats are fixedly arranged on the front side and the rear side, close to a bed head, in the groove, and shaft rods are in driving connection between the symmetrical supporting seats on the two sides through driving mechanisms; the two sides of the outer surfaces of the two shaft rods are fixedly connected with thigh supports which are symmetrically arranged, and the ends, away from the supporting base, of the two symmetrical thigh supports are connected with shank supports which are arranged in a U shape. The driving mechanism drives the shaft rod to rotate to drive one end of the thigh support on the outer surface to be lifted upwards, and then the shank support is hinged to the lifted part of the thigh support, so that a proper included angle is formed between the joints of the shank support and the thigh support.

The invention relates to a vehicle having a restraint device (1) for fastening a person (3) located on a lying device (2) of the vehicle, the restraint device (1) having at least one upper body airbag (5) formed in an upper body part (4) of the lying device (2) and a flexible, flat cover element (6), the covering element (6) covers a part of the body surface of the person (3) in the use position (7) of the covering element (6). Furthermore, the restraint device (1) has a pelvic airbag (9) which is arranged in the thigh and / or pelvic part (8) of the lying device (2), by means of which the lying surface (10) of the lying device (2) is shaped so as to project out in regions in the triggered state (11) of the pelvic airbag (9).

Disclosed are prosthetic systems comprising a powered knee upper leg prosthesis and a volitional controller configured to provide control of the prosthesis to the user. The prosthetic system may be configured to enable a user to climb a set of stairs. The prosthetic system may be activated by the activation of an EMG signal source, such as the biceps femoris muscle of the upper leg. The volitional controller of the prosthetic system may be further configured to receive a ground state signal and / or an IMU signal to determine a target knee torque for operating the powered knee of the prosthesis.

The utility model discloses a lower limb of a robot, which belongs to the field of robots and can improve the moving stability of the robot and enable the robot to be easier to fall down by arranging an auxiliary leg component 4 outside a thigh component 2 and a shank component 3, and can overcome the defects in the prior art. The robot lower limb comprises a thigh mounting seat 1, two thigh assemblies 2, two shank assemblies 3 and at least one auxiliary leg assembly 4, the thigh assembly 2 comprises a thigh main body 21 and a thigh driving unit 22; the shank assembly 3 comprises a shank main body 31, a shank driving unit 32 and a shank moving unit 33; the auxiliary leg assembly 4 comprises an auxiliary leg main body 41, an auxiliary leg driving unit 42 and an auxiliary leg moving unit 43, an upper joint of the auxiliary leg main body 41 is installed on the thigh main body 21, the auxiliary leg moving unit 43 is arranged on a lower joint of the auxiliary leg main body 41, and the auxiliary leg driving unit 42 is installed on the thigh main body 21 and used for assisting the leg main body 41 to move around the thigh main body 21.

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.

The utility model discloses an inflatable side-lying knee clamping pad, relates to the technical field of medical instruments, and solves the technical problems that an existing side-lying knee clamping pad can only be in contact with a thigh or a shank independently during use to realize single-side support, a plurality of side-lying knee clamping pads are required to support the thigh and the shank when a user lies on the side, and the use is inconvenient. The rotating block capable of rotating and protruding is arranged in the supporting block, the contact blocks with the elastic layers are arranged on the surfaces of the supporting block and the rotating block, the supporting area with a user can be increased through sliding of the rotating block in the supporting block, then the supporting block can make contact with multiple areas of the thigh and the shank, and the more comfortable experience feeling is provided for the user; and the position of the rotating block can be limited after the rotating block rotates through simple height change between the rotating block and the supporting block, the angle between the rotating block and the supporting block can be rapidly adjusted, then the proper angle can be autonomously adjusted according to the state of the user to support the side lying state of the user, and use is convenient.

[Problem] To lower a support table as much as possible, make the height between a base and the ground as low as possible, and make casters as large as possible. [Solution] In an adjustable bed (1) according to the present application, the base of a thigh support table (21) for supporting the thighs of a lying person is inclinably provided on a support table (3), and the base of a shank support table (22) for supporting the shanks of the lying person is provided at the tip of the thigh support table (21) so as to be bendable up and down. When the support table (3) is lowered to the lowest with respect to the base (2) and the thigh support table (21) is tilted, the base of the thigh support table (22) is bent at the end of the thigh support table (21), and when the support table (3) is lowered to the lowest with respect to the base (2) and the thigh support table (21) is tilted, the end of the thigh support table (22) slides along the thigh support tables (50, 57). In this way, the end of the crus support table (22) is lifted above a protruding member (caster portions (10, 11), etc.) protruding from above the support table (3), so as to avoid a collision between the end of the crus support table (22) and the protruding member.

Therapeutic support device, systems, and methods are directed towards optimizing cerebrospinal fluid dynamics in patients and otherwise healthy individuals. In some embodiments, a therapeutic support device may comprise a base, a thigh rest frame supported by the base and a back frame supported by the base. A back support may be attached to the back frame. A headrest may be movable with respect to the back frame about a headrest access. The back support may define a reference plain. They headrest access may be oriented to a front side of the reference plane and the back frame oriented to a second side of the reference plane.

The utility model discloses a hip buckling limiting structure after transfemoral artery puncture intervention, and relates to the technical field of medical appliances, the hip buckling limiting structure comprises a pressing plate, the front end and the rear end of the bottom end of the pressing plate are connected with limiting belts in a glued mode, and a positioning block is arranged in the middle of the bottom end of the pressing plate in a downward extending mode. According to the hip flexion limiting structure used after the transfemoral artery puncture intervention, the limiting belt is bound to the skin of the proximal end of the thigh of a patient and the skin of the front end of the hip joint of the patient, the clamps help the bearing blocks to be clamped to the two sides or other places of clothes of the patient, and therefore the hip flexion limiting structure used after the transfemoral artery puncture intervention is convenient to use. The bearing block is clamped with the two ends of the limiting belt, so that the hip joint of the patient cannot fluctuate or be folded due to the pressing plate, and meanwhile, a certain pressure is applied to the surface of the hip joint of the patient by the positioning block.

This prevents the drainage portion of the ostomy appliance from coming into contact with the wearer's thigh and causing pain. [Solution] A bag-like device for collecting excrement, including feces and urine, discharged from a stoma, and a tubular discharge section for discharging the accumulated material, the discharge section cover of a stoma appliance is T-shaped, and in order to prevent the discharge section from coming into contact with the thigh of the person wearing the stoma appliance, the T-shaped portion that extends to the left and right is wrapped around the discharge section and is fixed around the discharge section by hook-and-loop fasteners at both ends, and the cover covers only the discharge section.

The invention provides a knee joint straightening auxiliary exerciser which comprises a thigh frame, a connecting base arranged on the thigh frame in a sliding mode, a shank frame hinged to the end of the thigh frame, a sliding block arranged on the shank frame in a sliding mode, a resistance mechanism arranged on the shank frame and connected with the sliding block and applying resistance to sliding of the sliding block through the resistance mechanism and further comprises a driving rope. The two ends of the driving rope are connected with the sliding block and the connecting base respectively, an adjusting mechanism connected with the thigh frame and the driving rope is arranged on the connecting base, and the position of the sliding connecting base is locked through the adjusting mechanism, and the tensioning length of the driving rope is adjusted through the adjusting mechanism. According to the exercise device, the exercise strength can be quickly adjusted, elastic components with different elasticity coefficients do not need to be replaced when the exercise strength is adjusted, the adjusting process is convenient and quick, a patient can adjust the exercise strength by himself / herself conveniently, meanwhile, the exercise device can be used by the patient at home conveniently, and the practical value of the exercise device is effectively improved.

The application discloses a robot leg structure and a control method thereof. The structure comprises a hip joint module, a thigh module, a knee joint module, a shank module and a foot end module. A flat plate stopper is arranged on a structure connecting surface of each of the hip joint module, the thigh module, the knee joint module, the shank module and the foot end module, and the modules are connected based on the flat plate stopper. The hip joint module comprises a first driving unit, a second driving unit and a third driving unit. The first driving unit controls a roll freedom degree, the second driving unit controls a pitch freedom degree, and the third driving unit controls a yaw freedom degree. Driving axes of the first driving unit, the second driving unit and the third driving unit are perpendicular to each other and intersect at the same point. The knee joint module is driven based on a torque motor. A rotor of the torque motor is connected with the thigh module, and a stator of the torque motor is connected with the shank module. The robot leg structure has the advantages of improving motion stability, enhancing joint control precision and optimizing dynamic response capability.

The utility model relates to the technical field of rehabilitation instruments, in particular to an exoskeleton joint movement mechanism which is characterized in that a groove for containing a thigh supporting strip and a shank supporting strip is formed in the surface of a base plate, the thigh supporting strip and the shank supporting strip are rotationally connected through a gear, and the free end of the thigh supporting strip is rotationally connected with the interior of the groove; wherein the end, away from the thigh supporting strip, of the shank supporting strip is connected with a telescopic mechanism, and the thigh supporting strip and the shank supporting strip are both arranged on the rear side of the leg and are bound to the thigh and the shank through binding bands respectively; the thigh supporting strip and the shank supporting strip are plate bodies with adjustable lengths, gears are arranged at the ends of the connecting pieces, the distance between the gears on the same shaft body is larger than the width of the thigh and the width of the shank, the gear on the thigh supporting strip is meshed with the gear on the shank supporting strip, and fixing shaft bodies at the centers of the gears are connected through a limiting belt. Traditional bearing movement is replaced with gear meshing, the movement mode is kept consistent with the movement mode of the human body, manpower mechanics is met, the device is better attached to the human body, and the movement strength of people is relieved.

The adjustable fixing brace comprises a shank, a thigh, a hip joint brace, a knee adjusting part and a hip adjusting part, second sawteeth on the side surface of the knee joint adjusting part are meshed with first sawteeth of the first shank brace connecting part, a groove is formed in the lower first fixing part, third sawteeth are arranged in the upper second fixing part, and the lower end of the third fixing part in the middle third hole extends into the groove to push rotation. A clamping block triangular block at the upper end of a first pushing part of a limiting component in a second opening is meshed with third sawteeth, a middle clamping ring is connected with a second pushing part through a first spring, the lower portion is sleeved with a second spring, and the clamping ring compresses the second spring for adjustment. In the hip joint adjusting part, a thigh brace connecting part is provided with a buckle, a hip brace fourth fixing part is connected with a supporting column, an upper rotating part sleeves the supporting column, fourth sawteeth are arranged at one end of the upper rotating part, fifth sawteeth on the upper surface of a lower rotating part are meshed with the fourth sawteeth and can rotate around the supporting column, and a third spring between the fourth fixing part and the upper rotating part lifts the upper rotating part. The upper portion of the supporting column is sleeved with the adjusting portion and fixed to the first screw hole of the supporting column through a screw.

The utility model discloses an in-vitro sighting device for femoral trochanter fracture, and relates to the technical field of fracture surgical instruments. Comprising a matching frame, an extension structure, a guide cylinder and a developing needle, the matching frame is U-shaped, the corner of the matching frame is of a right-angle structure, the opening of the matching frame is placed towards one of two sides, a matching hole is formed in a middle plate between two side plates of the matching frame, the extension structure is arranged on the upper side of the matching frame, and the guide cylinder is arranged on the extension structure. The extending structure extends in the direction away from the matching frame, a guide cylinder is arranged on the extending structure and is arranged in the opening direction of the matching frame, a sliding hole is formed in the central axis of the guide cylinder, and a developing needle is slidably connected into the sliding hole of the guide cylinder; through cooperation of the matching frame and the sighting device and the height of the extension structure, the developing needle in the guide cylinder is higher than the front side of the thigh and corresponds to the position of the guide needle to be placed through the sighting device, the position of the guide needle is prompted in a perspective mode, and damage to a patient caused by wrong position and repeated placement of the guide needle is avoided.

The invention relates to the technical field of lower limb walking auxiliary exercise equipment, in particular to trackless lower limb walking rehabilitation equipment which comprises a support assembly, the support assembly is composed of a U-shaped frame and four vertical columns fixedly mounted at the bottom of the U-shaped frame, and thigh auxiliary assemblies are arranged on plate bodies on the front side and the rear side of the U-shaped frame; the thigh auxiliary assembly comprises a supporting base fixedly installed on a side edge rod body of the U-shaped frame, an air cylinder is fixedly installed on the bottom face of the supporting base, a bottom plate is arranged on a telescopic shaft of the air cylinder, a fixing rod is fixedly installed on the side face of the bottom plate, an assembling disc is fixedly installed at the bottom end of the fixing rod, and a first servo motor is fixedly installed on the side face of the assembling disc. A thigh limiting plate is fixedly installed at the end of the rectangular square sleeve, a rubber pad is fixedly installed on the side face of the thigh limiting plate, and a restraint strap is fixedly installed on a plate body on the other side of the thigh limiting plate. The lower limb exerciser can assist a patient in exercising the lower limbs and is convenient to use.

This item is a stretching device used for hip joint stretching. It can be placed on the floor or a chair, and can be used by sitting astride the U-shaped recess of the item with your legs spread apart and placing your thighs between the area in front of you as viewed from the front, or by rocking back and forth in this position to stretch your hip joints. The oblong rectangular part on the back of the item (indicated by a dashed line) is the handle used to carry the item.

Provided is a product group of a disposable diaper with which it is hard to catch an inner thigh in a leg opening and the abdomen can be sufficiently covered when wearing the disposable diaper. In a disposable diaper having adjacent sizes among a plurality of types of disposable diapers (1), a length (LLC) of an absorbent body (4) in the longitudinal direction of a crotch region (4a) that does not overlap a ventral part (3) and a dorsal part (2) is larger for a disposable diaper having a large size than a disposable diaper having a small size. The amount of increase in the length (LAx1, LBx1) in the longitudinal direction from a main body non-existing region (AX1, BX1) of the disposable diaper having a small size to the main body non-existing region of the disposable diaper having a large size is set such that the rate of increase represented by the following equation is in the range of 4.1-39.4%. Rate of increase (%) = (amount of increase) (length LLO in the longitudinal direction in the expanded state of the disposable diaper having a large size) × 100.