42 results about "Hip rotation" patented technology

In order to achieve a walking assistance device that can be securely fitted to the user's body while allowing a certain degree of freedom, a walking assistance device is provided comprising a hip joint rotational force generator (hip joint actuator 10) mounted on a side of a hip joint and a knee joint rotational force generator (knee joint actuator 26) mounted on a side of a knee joint to provide an assisting force to a movement of a lower limb, wherein the hip joint rotational force generator is fitted to the body via a first linkage means (link plate 30) having at least two degrees of freedom, and wherein the hip joint rotational force generator and the knee joint rotational force generator are connected to each other via a second linkage means (link bar 25) having an expandable and contractable means. In this way, deformation in lateral and torsional directions of the first linkage means and expansion/contraction of the second linkage means can absorb a deviation in position between the joints of the user's body and the assisting force generators.

The present invention concerns a device for the calibration and standardization of the rotation and movement of a patient's hip. More particularly the present invention relates to a device for the calibration and standardization of the rotation and movement of the hip for use in connection with improving the reproducibility and accuracy of a diagnostic procedure such as, for example, bone density measurement using dual x-ray absorptiometry (DXA).

The invention discloses a hip joint boosting device based on parallel mechanisms. The boosting device comprises a waist support assembly, two constraint assemblies and two execution assemblies; each execution assembly comprises a leg clamping sub assembly, a sensor sub assembly, a fixing plate and two driving branch chain sub assemblies, the driving branch chain sub assemblies are connected with the waist support assembly and the corresponding fixing plates and are UPS branch chains which are symmetrically distributed relative to the front and back of the leg of a person, and each sensor sub assembly is connected with the corresponding leg clamping sub assembly and the corresponding constraint assembly. According to the hip joint boosting device based on the parallel mechanisms, by means of the design of the constraint assemblies and the execution assemblies, three-degree-of-freedom rotation of the device can be achieved, it is guaranteed that the rotation center of the device is overlapped with that of hip joints of different patients, and injuries caused by human-machine interference force is effectively avoided; meanwhile, the structure is simple, and use is convenient.

The invention provides a lower limb exoskeleton robot system based on human-machine terminal interaction, and relates to a lower limb exoskeleton robot. The system solves the problems of poor adhesionbetween the lower limb exoskeleton and the human body, uncomfortable wearing, inaccurate human-computer interaction information, poor man-machine following effect and inconspicuous power assisting effect caused by the prior lower limb exoskeleton. A low part of that back frame is symmetrically provided with two hip joint bracket, one end of the hip joint support is rotatably connected with the back frame 1 through an adduction and abduction shaft, the free end of each hip joint bracket is rotatably connected to the corresponding hip joint through an internal and external hip rotation axis, Each hip joint is connected with a corresponding thigh rod through a hip flexion and extension shaft, an inertia unit is arranged at the upper part of each thigh rod, the lower part of each thigh rod isconnected with the upper end of the corresponding calf rod through a knee joint, one end of a pneumatic spring is connected with a back frame, and the other end of the pneumatic spring is connected with a corresponding hip joint bracket. The invention is used for a lower limb exoskeleton robot.

Hip rotation measuring device with an accelerometer, a micro-controller, a printed circuit board, a memory chip, a power supply such as batteries, an on-off switch, a start-stop recording switch, an acceleration direction switch an audible sound generator, a readout display such as an LCD display, standard support electronics such as resistors capacitors and regulators for operating the electronic components, a case to house the components, and a belt clip or other standard attachment device fixed to the outside of the case so that when the components are combined within the case and when the case is attached by the clip to an article of clothing that is in close proximity to a moving body part such as a hip, the readout display can show magnitude of acceleration or deceleration of hip movement of the user. The device can measure other body part acceleration and deceleration such as hand, foot, shoulders.

A golf training device to help maintain the proper synchronous relationship between the movement of hands and hip rotation during a golf swing. In the event that the movement of the hands and hip rotation of the user are out of synchronization, the training device provides feedback to the user. The training aid device basically comprises a strap that secure a sheet to the rearward leg of the user. A trapezoid shaped panel is mounted to the sheet, which provides the user with a reference as to the proper positioning of a user's hands and the shaft of the golf club during address, and which provides a tactile feedback signal to the user, if the user's backswing is improper or if the user's hip rotation and movement of the user's hands are out of synchronization, by making contact with at least one of the user's hands.

The invention relates to a self-contained lower limb walking aid, which consists of waist support frames, thigh support rods, calf support rods, foot support plates, hip joint rotating pairs, knee joint rotating pairs, ankle joint rotating pairs, hip joint driving mechanisms, knee joint driving mechanisms, thigh fastening belts, and calf fastening belts, which are arranged symmetrically left and right. The invention has the advantages that: the self-contained lower limb walking aid has a scientific and reasonable structural design, can assist crural paralysis patients in standing and walking, is stable in operation, reliable in support, easy to manufacture and low in cost, is a walking aid with higher innovativeness, and has wide market prospect.

The invention relates to a series-parallel two-foot iron-tower climbing robot capable of satisfying the climbing of all power transmission line iron towers. The series-parallel two-foot iron-tower climbing robot comprises a pair of hip platforms, a pair of parallel execution mechanical arms, a hip rotation pair, a pair of wrist platforms, a pair of foot rotation pairs, a pair of electromagnetic foot platforms and a pair of foot mechanical claws. The pair of hip platforms is connected by virtue of the hip rotation pair and driven to rotate, the wrist platforms are connected with the electromagnetic foot platforms by virtue of the foot rotation pair and driven to rotate, and the hip platforms and the wrist platforms are connected by virtue of the parallel execution mechanical arms and driven to move. Under the situation of unmanned control, the series-parallel two-foot iron-tower climbing robot can carry a route inspection device to climb along structural steel of the iron tower and can bypass an obstacles (such as a steel frame connecting plate, a connecting nut and the like) to reach an iron tower crossbar, and finally the robot can step over the crossbar to reach a circuit ground line and can make an inspection tour on the ground line.

A golf training device to help maintain the proper synchronous relationship between the movement of hands and hip rotation during a golf swing. In the event that the movement of the hands and hip rotation of the user are out of synch, the training device provides feedback to the user. Device basically comprises a belt and strap that secure a sheet to the right leg of the user. A pair of panels is mounted to the sheet. Pair of panels contacts a user's hands if the hip rotation and the movement of the user's hands are out of synch.

The present invention relates to a mobile training device having bi-directional, variable resistive forces for training a baseball swing and other sports involving weight transfer and hip rotation.

The invention provides an electrically driven bionic quadruped robot. The robot comprises a body assembly, two front leg assemblies, two rear leg assemblies, two front leg joint assemblies and two rear leg joint assemblies. Each of the front leg assembly and the rear leg assembly comprises a thigh part and a shank part; each of the front leg joint assembly and the rear leg joint assembly comprisesa hip joint swing motor, a swing connecting rod, a hip joint rotating motor and a knee joint motor; the hip joint swing motor is installed on the body assembly and drives the swing connecting rod toswing to drive the hip joint rotating motor to swing left and right. An output shaft of the hip joint rotating motor is connected with the thigh piece and drives the thigh piece to swing back and forth; the knee joint motor drives the shank part to swing back and forth through the knee joint connecting rod. The driving motors of the joints are arranged at the hip joints in a centralized mode, theload of the leg assemblies is reduced, the movement flexibility of the leg assemblies can be enhanced, the robot is light, and movement and balance control is facilitated.

The invention relates to strength training and information feedback monitoring devices, in particular to a plyometric fixed-upper-body hip rotation core training and information feedback monitoring device, and solves the problems presently no special rotation core training and muscular 'plyometric contraction' training device is provided and motion parameters cannot be quantized. A bottom plate is disposed right above a base. A balance block is fixed on the lower end face of the bottom plate. The bottom plate is rotatably connected with the base through the balance block. A footboard is disposed right above the bottom plate. The footboard is connected with the bottom plate through a rotating shaft. A shaft sleeve covers the rotating shaft at the lower end of the footboard. A rotation resisting device is mounted between the rotating shaft and the shaft sleeve. Two range sensors are arranged on two sides of an arc face of the balance block. The signal output ends of the range sensors are connected to first and second range signal input ends of a control circuit respectively. The device is applicable to plyometric fixed-upper-body hip rotation core straining and information feedback monitoring.

The invention relates to an upper fixed hip-rotation core strength training and information feedback monitoring device, which relates to a strength training and quantization monitoring device, and aims at solving the problems that no special upper fixed hip-rotation core strength training device is provided at present, and movement parameters cannot be fed back in an information form. A base plate is arranged right above a base, a balance seat is fixedly arranged on the lower end surface of the base plate, the base plate is rotatably connected with the base through the balance seat, a pedal is arranged right above the base plate, the pedal is connected with the base plate through a vertical rotating shaft, the lower end of the rotating shaft is rotatably connected with the base plate, the rotating shaft at the lower end of the pedal is sleeved with a shaft sleeve, a rotation damper is installed between the rotating shaft and the shaft sleeve, and two ranging sensors are respectively arranged on two sides of the arc surface of the balance seat; the signal output end of each ranging sensor is connected with the first distance signal input end and the second distance signal input end of a control circuit. The upper fixed hip-rotation core strength training and information feedback monitoring device is used for monitoring the upper fixed hip-rotation core strength training and information feedback.

A golf training device includes an elongated pointer shaft having a proximal end and a distal end. A connector is adapted to fasten to a golfer's waist, where the proximal end of the elongated pointer shaft is attached to the connector and the distal end is free to encroach into an inside downward path of the golfer. An elbow swing alignment element upwardly protrudes from the elongated pointer shaft between the proximal end and the distal end. The elongated pointer shaft and elbow swing alignment element are located so that the elbow swing alignment element contacts the golfer's inside elbow when crooked, thus providing a corrective indication.

A sports training aid is provided that includes a base, a support structure and a top portion. The base structure may support the support structure and the top portion in an upright position when placed on a surface. The top portion includes a first side and a second side with extensions extending towards a user. A waist boundary is formed in between the extensions. Therefore, a user may position their waist within the extensions and practice a swing. The extensions of the sports training device may provide proper restriction and thereby train a user to have a proper hip rotation.

The invention discloses a design thought and an application method of a hip joint rotation center locator. The rotation center locator comprises a connecting pile body movably fixed to the edge of acetabulum, wherein the upper end face of an acetabulum body is the edge of the acetabulum, namely the acetabulum edge, fixing feet are connected to the outer surface of the acetabulum edge, and a connecting supporting rod is fixed to the upper end face of each fixing foot; the inner side of the acetabulum edge is an acetabulum center location area, and the position of a hip joint rotation center isdetermined through the arrangement of a center location hole according to an indication guide pin track. The hip joint rotation center locator is composed of the fixing feet, the connecting supportingrods and the connecting pile body; the acetabulum body, the acetabulum edge and the location area are normal anatomical positions; the influence of body position change of a patient on an intraoperative filing angle can be avoided through combination of the locator and the acetabulum; the hip joint rotation center is located in a physical structure mode; and the problems of large differences of located rotation centers among different operators and inaccurate positioning points due to different body types of the different patients are solved.

The invention relates to the technical field of medical prostheses, in particular to an adjustable semi-pelvic prosthesis device. The device comprises a semi-pelvic prosthesis part matched with the pelvic defect in shape, and the semi-pelvic prosthesis part comprises an upper fixing part, a connecting part and a lower fixing part which are sequentially connected, the upper fixing part is used for fixing the uninjured side ilium or the sacrum, and the lower fixing part is used for fixing the uninjured side pubis; the device further comprises an acetabular cup prosthesis. A rotating assembly for adjusting the angle of the acetabular cup prosthesis is arranged on the connecting part; the rotating assembly is further provided with a retainer which is detachably connected with the rotating assembly. The forward inclination angle and the abduction angle of the hip rotation center of the personalized pelvic prosthesis can be finely adjusted twice in an operation. Therefore, postoperative prosthesis dislocation complications are avoided, and the exercise and living abilities of the patient after the personalized pelvic prosthesis is implanted are improved.