33 results about "HIP JOINT FLEXION" patented technology

The invention belongs to the field of rehabilitation medical devices, particularly relating to a rehabilitation training robot for lower limbs. The robot consists of a support mechanism, an incline system, a lower limb training mechanism and a control system. The lower limb training mechanism comprises a hip joint mechanism and an ankle joint mechanism; and the ankle joint mechanism consists of a screw nut structure for realizing linear reciprocating motion and a crank four-bar mechanism for realizing plantar flexion and dorsal flexure. The hip joint mechanism and the ankle joint mechanism are combined to finish different training tasks by fully using the principle of the four-bar mechanism and drive the lower limbs of patients to generate the training method consisting of different training modes, training tracks and exciting ways. The training modes include active training, passive training, resistance training and the like; the exciting ways for training the lower limbs include hip joint flexion and extension exciting, foot reciprocating exciting, ankle joint toe flexion and dorsal flexure exciting and combination exciting; the robot moves flexibly, is stable and reliable, has simple appearance and is easy to be accepted by the patients.

The invention belongs to the field of lower limb assisting exoskeletons, and discloses a hip joint passive exoskeleton device based on energy time-sharing regulation. The hip joint passive exoskeletondevice comprises a waist arc-shaped support assembly, hip joint assemblies, thigh assemblies and elastic component connecting assemblies, wherein the waist arc-shaped support assembly comprises surrounding support devices and flexible bandages; each hip joint assembly comprises a hip joint inwards folding and outward unfolding connector and a hip joint bending and stretching connector; each thighassembly comprises a thigh outer-side connecting rod, a thigh front hoop and a thigh rear hoop; each elastic component connecting assembly comprises an L-shaped cantilever, an force arm, a digging rope clutch, an extension spring and a flexible rope. For the hip joint passive exoskeleton device based on energy time-sharing regulation provided by the invention, through the digging rope clutches triggered along with the joint angle, the extension springs stretch for storing the mechanical energy of the human body when the human hip joint does negative work and contract for releasing the energywhen the human hip joint does positive work, so that the time-sharing regulation on the mechanical energy of the human body is realized finally, the movement of the hip joint is assisted, the metabolic energy consumption generated during walk is reduced, in addition, the hip joint passive exoskeleton device has the advantages that the structure is simple, the cost is low, the weight is small, andthe wearing is comfortable.

The invention discloses a wearable bionic hydraulic mechanical lower limb rehabilitation walking aid and aims to solve problems of high leg weight, poor motor coordination with human bodies and the like of existing motor drive equipment to further improve smoothness and applicability of rehabilitation walking aid equipment. The walking aid comprises a back plate, a waist plate, triaxial hip joints, double-acting hydraulic cylinders, thigh bodies, bionic link knee joints, crus bodies, two-axial ankle joints and sole plates. The triaxial hip joints comprise hip joint adduction/abduction mechanisms, hip joint flexion and extension mechanisms and hip joint pronation/supination mechanisms. Each knee joint flexion and extension mechanism comprises a thigh connector, a front rocking rod, a rear rocking rod, a crus connector, a double-acting hydraulic cylinder and a limiting mechanism. The two-axial ankle joints comprise flexion and extension rotating shafts and adduction/abduction rotating shafts, an elastic steel plate externally presses each flexion and extension rotating shaft, and the other side of each steel plate is provided with a slot connected with the sole plate. Each ankle joint hydraulic cylinder is connected between a corresponding crus supporting plate and the corresponding adduction/abduction rotating shaft to control swing of the corresponding sole plate.

An apparatus suitable for imitating one or more muscle members of a human user during physical therapy, wherein the apparatus is configured to be used in conjunction with the human user having a waist and a leg having a knee. The apparatus includes an adjustable waist belt configured to be secured around the human user's waist and a lower leg support configured to encircle the human user's leg in a vicinity of the knee. The apparatus further includes an elastic member configured to provide an adjustable tensile resistance between the waist belt and the lower leg support.

A wheeled walker for training an individual to walk by enabling hip flexion. The walker is equipped with a pulley located between two anchors points to which the ends of an elastic cord are attached a middle portion of the elastic cord runs over the pulley. A first harness for receiving a foot of the user is slidingly coupled to the segment of the elastic cord located between the first anchor point and the pulley. A similar harness for receiving the other foot of the user is slidingly coupled to the segment of the elastic cord located between the second anchor point and the pulley.

The invention provides a hip joint exercising mechanism with two degrees of freedom and relates to the technical field of rehabilitation equipment. The hip joint exercising mechanism solves the technical problem that the common hip joint exercising mechanism is large in size and poor in mobility and can only perform simple joint exercising. The hip joint exercising mechanism with the two degrees of freedom comprises a left exercising unit and a right exercising unit that are arranged side by side, wherein the left exercising unit and the right exercising unit comprise hip joint adduction and abduction components and hip joint flexion and extension components; the hip joint adduction and abduction components are first degree of freedom (DOF) components; the hip joint flexion and extension components are second DOF components; the hip joint adduction and abduction components comprise bases, adduction and abduction motors and adduction and abduction joints; and the hip joint flexion and extension components comprise flexion and extension motors, belt driving components, motor support seats and extension joints. The hip joint exercising mechanism is used for hip joint rehabilitation exercise, has the characteristics of small size, light weight and good mobility, can also be matched with other exercising devices for use to achieve multi- joint exercising and is strong in practicability.

The invention discloses a hip joint stretch treatment training apparatus and belongs to the technical field of fitness and rehabilitation equipment. The hip joint stretch treatment training apparatus comprises a moving support, a support bar is arranged at the bottom of the moving support, the bottom end of the support bar is releasably arranged on support a of an underframe, one end of the moving support is supported by support b, the other end of the moving support is hinged to a support seat, the bottom of the support seat is fixed to the underframe, and the moving support is connected with an erecting mechanism, a hip joint abduction/adduction training mechanism, a hip joint flexion/stretch training mechanism and a knee joint flexion/stretch training mechanism. The hip joint stretch treatment training apparatus has the advantages that stretch rehabilitation training for hip joint abduction/adduction and stretch rehabilitation training for hip joint flexion/stretch are achieved respectively through the hip joint abduction/adduction training mechanism and the hip joint flexion/stretch training mechanism; supination angle and knee joint moving state are changed through the erecting mechanism and the knee joint flexion/stretch mechanism so as to finish the above training under different weight reductions and different knee joint moving angles, and rehabilitation effect is improved.

The invention discloses a wearable flexible lower limb power-assisted exoskeleton which comprises a flexible garment, an elastic driving device, a Bowden cable driving device, a driving control device, a flexible binding device and a sensing system. The device is used for providing a stable stress anchor point for the device except for the flexible clothes and ensuring the connection stability and the wearing comfort. The elastic driving device is arranged on the front side of a human body and provides buckling assistance for hip joints; the Bowden cable driving device is arranged on the rear side of the thigh and provides assistance for extension of the hip joint; the driving control device is arranged on the back of the flexible garment and used for controlling the whole system and providing driving power. The flexible binding devices are arranged at knee joints of lower limbs of a human body and used for connecting the knee joints; the sensing system is used for recognizing gaits. The hip joint bending and stretching moment is provided for a user in the walking process, the daily walking stability of a person with lower limb dysfunction is improved, and the lower limb walking gait abnormity is corrected and improved.

A device called a step-through ambulation aid which targets deficits encountered due to lower extremity paresis involving poor hip flexion. The device is comprised of a slidable plate that surrounds an inner liner. The plate surrounds a patient's foot and has a means to removably secure the device to the patient's foot. The use of the Step-Through Ambulation aid device on the bottom of a shoe allows reduction in friction forces encountered across most surfaces, including carpet, tile, wood, asphalt, and cement. The thin, smooth surface of the aid allows the foot to glide forward with virtually no resistance or friction from the walking surface. As a result, ambulation without additional physical assistance for leg advancement is made possible.

The invention relates to the field of rehabilitative prosthetics and orthotics, in particular to a dynamic hip joint prosthesis control system. The dynamic hip joint prosthesis control system comprises a gait information collection module, a gait information processing module, a control module, a motor driving module, a communication module, a motor power supply module, a control power supply module, a photo coupler isolation module and a Kalman filtering module; and the control system receives plantar pressure information and knee joint and hip joint flexion and extension information, collected by the gait information collection module, through the communication module, the received information is processed to generate a control signal, and the motor driving device (module) receives the control signal through the communication module to drive a dynamic hip joint prosthesis to run, so as to drive a patient to walk. The provided dynamic hip joint prosthesis control system has the advantage that strength needed by the patient to walk is reduced so that the patient can walk conveniently.

The invention discloses a hip and knee joint passive exoskeleton power assisting device based on energy storage, and belongs to the technical field of lower limb exoskeletons. A fixed mounting platform is provided for the thigh energy storage assembly and the shank energy storage assembly through the waist fixing assembly, the thigh energy storage assembly and the shank energy storage assembly are provided with designed first elastic elements and second elastic elements respectively, when thighs swing backwards in the later period of a supporting phase, the first elastic elements are stretched, negative work generated when the thighs swing backwards is absorbed, and the thighs swing backwards; energy is recovered and released in the early stage of a swinging phase to provide hip joint buckling auxiliary torque; when the shank stretches forwards in the later stage of the swing phase, the second elastic element is stretched to absorb negative work generated when the shank stretches forwards, the negative work generated when the shank stretches forwards is converted into elastic potential energy, and the elastic potential energy is recovered to provide hip joint stretching auxiliary torque when the thigh swings backwards in the early stage of the supporting phase. In other words, in the whole gait cycle, the hip joint is assisted to stretch and bend at the same time, and the exoskeleton assisting efficiency is improved.

The invention relates to a system to assist walking in spinal cord injured people, who preserve hip flexion capacity, comprising a pair of KAFO-type orthoses with: (a) an angular actuator (5) in each knee; (b) an orientation and acceleration sensor (6) on each leg; (c) a power supply and control system (7) to which all the sensors and actuators are connected; (d) a control algorithm deciding when to flex or extend the knee depending on the walking cycle, using information from the sensors.

The invention discloses a multi-degree-of-freedom bionic exoskeleton body structure, which comprises a hip supporting mechanism, a hip joint flexion and extension motor, a thigh mechanism, a shank mechanism, a sole plate and a battery control box, a hip joint abduction motor mounting piece is arranged on one side of the lower end of the hip supporting mechanism, and the hip joint abduction motor mounting piece is connected with a rotary connecting piece through a rotating shaft; a bushing bearing is mounted between the rotating shaft and the hip joint abduction motor mounting piece; through cooperative use of a hip abduction motor, a hip joint flexion and extension motor, a knee joint flexion and extension motor, an ankle side linear motor and an ankle rear linear motor, the effect of multi-degree-of-freedom training is achieved, flexible and diversified rehabilitation actions can be achieved, the rehabilitation efficiency is greatly improved, a user inputs instructions through a user input end in the whole use process, and the user experience is improved. And the master controller issues the instruction of the user to the corresponding motor so as to complete the corresponding action, so that the whole operation process is simple and convenient, and related users can conveniently use.

The invention discloses a non-external-force-driven flexible exoskeleton walking aid. The non-external-force-driven flexible exoskeleton walking aid comprises a flexible binding unit and a power assisting unit connected with the flexible binding unit. The flexible binding unit comprises a waist binding belt fixed to the waist and abdomen of the human body, a first binding belt fixed to the healthy limb and a second binding belt fixed to the affected limb. The power assisting unit comprises a driving power assisting line and a driven power assisting line; the driving assisting line is connected with the waist binding belt, the first binding belt and the second binding belt, and the driven assisting line is connected with the waist binding belt and the second binding belt; the healthy limb provides driving power for the diseased limb through the driving power-assisted line to enable the diseased limb to move relatively, and the diseased limb moves relatively along with the movement of the diseased limb through the driven power-assisted line. Through the structural arrangement, the healthy limbs serve as a power source, and hip joint flexion and knee joint and ankle joint two-way movement assistance of the affected limbs are achieved through potential energy and waist muscle strength generated by movement of the healthy limbs.