43 results about "Elbow flexion" patented technology

The invention discloses an upper limb exoskeleton steering mechanism driven by pneumatic muscles. The upper limb exoskeleton steering mechanism driven by the pneumatic muscles comprises two single arm components and a back support; the two single arm components have the same structure; shoulder joints of the two single arm components are arranged on the bilateral sides of a back support top plate respectively; two elbow joint shafts are connected with the respective pneumatic muscles which are arranged in the back support through respective elbow steel wire traction lines; two shoulder joint shafts are connected with the respective pneumatic muscles which are arranged in the back support through respective shoulder steel wire traction lines; each single arm component has four degrees of freedom; the four degrees of freedom comprise elbow flexion and extension, flexion and extension of the shoulder joints, outreach and adduction of the shoulder joints and internal rotation and external rotation rotating pairs of the shoulder joints. After the upper limb exoskeleton steering mechanism driven by the pneumatic muscles is worn, the lift strength can be greatly improved when a wearer lifts heavy objects with the aid of tension caused by contraction of the pneumatic muscles and accordingly the purpose of improving the function strength of the wearer can be achieved. The upper limb exoskeleton steering mechanism driven by the pneumatic muscles is of great significance when the strength of people is not enough to support required loads in occasions of military operations, disaster relief and rescue and the like.

The invention discloses an upper limb rehabilitation robot with active-passive type two arms, and belongs to the field of rehabilitation training robots. The upper limb rehabilitation robot with the active-passive type two arms comprises an upper limb active training device, an upper limb passive training device, over beam arms and a pedestal. The upper limb active training device and the upper limb passive training device are fixed on the pedestal through the over beam arms; the upper limb active training device comprises an active shoulder joint abduction and adduction assembly, an active shoulder joint flexion and extension assembly, an active upper arm intorsion and extorsion assembly, an active elbow flexion and extension assembly, an active forearm intorsion and extorsion assembly, and an active wrist joint flexion and extension assembly; and the upper limb passive training device comprises a passive shoulder joint abduction and adduction assembly, a passive shoulder joint flexion and extension assembly, a passive upper arm intorsion and extorsion assembly, a passive elbow flexion and extension assembly, a passive forearm intorsion and extorsion assembly, and a passive wrist joint flexion and extension assembly. According to the invention, motions of a plurality of joints in a plurality of dimensions can be achieved, and the upper limb rehabilitation robot can help the patient to exercise according to his own wish.

An orthosis provides a wearer at least one of forearm supination, forearm pronation, shoulder internal rotation, shoulder external rotation, shoulder adduction, shoulder abduction, shoulder flexion, shoulder extension, elbow flexion, and elbow extension. It includes a shoulder assembly adapted to be secured to a wearer's shoulder and an upper arm assembly connected to the shoulder assembly and adapted to be secured around a wearer's upper arm. The upper arm assembly defines an upper arm assembly axis. A wrist assembly is adapted to be secured around a wearer's wrist. The wrist assembly defines a wrist assembly axis. A splint arm assembly includes an upper splint arm, a lower splint arm, and a pivot pivotally connecting the upper splint arm to the lower splint arm. The upper splint arm adjustably connects to the upper arm assembly and the lower split, arm adjustably connects to the wrist assembly.

The invention discloses a rehabilitation robot for upper limbs, which belongs to the field of rehabilitation training robots. The rehabilitation robot for the upper limbs comprises a base, a suspension girder arm and a pair of upper limbs training devices, wherein the upper limbs training devices are fixed on the base by the suspension girder arm; each of the upper limbs training devices comprises a shoulder joint abduction and adduction component, a shoulder joint flexion and extension component, an upper limb inner and outer rotation component, an elbow flexion and extension component, a front limb inner and outer rotation component and a wrist joint flexion and extension component. Compared with the prior art, the rehabilitation robot has the advantages that multi-dimensional movement of multi-joints can be realized, and rehabilitation training can be performed on double arms of a patient simultaneously.

An efficient and economical dressage training device and method that teaches dressage riders proper hip and elbow flexion and extension instinctively establishing muscle memory patterns in the rider.

The invention provides a motor and pneumatic muscle hybrid wearable upper limb rehabilitation robot. The motor and pneumatic muscle hybrid wearable upper limb rehabilitation robot comprises a drivingpart and an executing part; the driving part includes a shoulder rotating motor, elbow flexion and extension pneumatic muscle, wrist flexion and extension pneumatic muscle; the executing part includesa seat, a shoulder part and upper limb mechanical arms; the seat includes an upper seat back, a lower seat back, a seat back height adjustment mechanism, handholding handles, a seat cushion, a seat cushion height adjustment mechanism and a bottom moving support; the shoulder part includes a shoulder part motor fixing mechanism and a motor rotating mechanism; the shoulder part motor fixing mechanism is fixedly connected with the upper end of the seat back of the seat in an adjustable mode, and a rotating mechanism is fixedly connected with the mechanical arms; and the upper limb mechanical arms include upper arms, small arms and hand part fixing mechanisms, and the upper arms include upper arm fixing mechanisms. According to the motor and pneumatic muscle hybrid wearable upper limb rehabilitation robot, the horizontal rotation of a left arm or a right arm around a shoulder joint can be realized, the three-free-degree movement of the flexion and extension of a elbow part and the flexionand extension of a wrist part can be achieved, safety is high, bionic performance is high, weight is light, the cost is low, and the application range is wide.

The invention discloses a rope-driven upper limb rehabilitation training robot system based on virtual reality and a use method thereof. The rope-driven upper limb rehabilitation training robot systemcomprises a 7-DOF upper limb rehabilitation train robot body and a virtual reality rehabilitation training system, can realize shoulder joint abduction/adduction, external/internal rotation and flexion/extension, elbow flexion/extension, forearm internal/external rotation and wrist joint abduction/adduction and flexion/extension rehabilitation training of patients with upper limb motor dysfunction, can ensure the safety of rehabilitation training and improve the control accuracy of rehabilitation training robot through a method of shoulder joint movement center positioning; and the virtual reality rehabilitation training system recognizes the posture of human upper limbs through the posture sensor and Kinect binocular vision sensor installed on the rehabilitation training robot, and, as the input of virtual reality scene, improves the interest and efficiency of rehabilitation through games related to upper limb movement training.

The invention requests protection of a wearable forearm active rehabilitation training exoskeleton device with myoelectric perception and belongs to robot field. The wearable forearm active rehabilitation training exoskeleton device consists of an exoskeleton support, a forearm rotation mechanism, an elbow flexion-extension mechanism, a driving motor and a myoelectric signal acquisition device, and can achieve the active rehabilitation training with two degrees of freedom for elbow flexion-extension and arm rotation. A large forearm support is easier to wear with a semi-open structure, and themyoelectric signal acquisition device is embedded in a key position of lining to collect arm myoelectric signals during the process of the rehabilitation training, and then motor movements of each joint can be adjusted according to the muscle tension, improving the security and efficiency of training. The forearm rotation mechanism adopts two sets of motor-bevel gear transmission, achieving forearm flexion-extension movements through synchronous coordinated movements of two motors. The forearm rotation mechanism adopts the driving mode of wire, and the forearm rotation angle is 180 degrees. The wearable forearm active rehabilitation training exoskeleton device with the myoelectric perception is more convenient, safer and more effective in rehabilitation training and can be widely used inhospitals, communities and families.

The invention provides a linearly-driven upper limb rehabilitation training mechanical arm which comprises a supporting mechanism, a rotary holder mechanism arranged on a supporting frame of the supporting mechanism, an upper arm flexion and extension power transmission mechanism including a U-shaped plate, an upper arm dragging cable tensioning wheel, a mounting plate, an upper arm flexion and extension driving shaft, a driven gear, upper arm driving dragging cable pulley, an upper arm flexion and extension driven shaft, an upper arm torque sensor, an upper arm driven dragging cable pulley and an arc-shaped limiting guide groove; upper arm flexion and extension mechanism including a U-shaped hollow plate, an upper arm flexion and extension pin and an elbow driving dragging cable wheel; bidirectional tensioning mechanism including an upper arm connection rod, a tensioning wheel groove and an elbow dragging cable tensioning wheel; an elbow flexion and extension mechanism including a U-shaped joint, a flexion and extension rotation shaft, an elbow dragging cable pulley, an elbow steering limiting guide groove and a forearm connection rod; a forearm compensation mechanism including alinear guide rail, a slide block and a short connecting plate, and a wrist reversing mechanism connected with a forearm compensation mechanism through a Z-shaped connecting plate.

The invention discloses an auxiliary repositor for distal radius fracture. The auxiliary repositor comprises an L-shaped elbow joint supporting plate, a horizontal supporting plate, a slideable waist joint supporting plate and a hand sliding fixing handle. An arm of a patient is subjected to elbow flexion by 90 degrees and then is put on the L-shaped elbow joint supporting plate, and an upper arm and a front arm are fixed on the L-shaped elbow joint supporting plate through an upper arm bandage and a front arm bandage respectively; the patient holds the hand sliding fixing handle with fingers, and a hand is fixed by a self-adhesion bandage; an adjusting bolt is rotated, and the slideable waist joint supporting plate moves away to achieve the effect of fracture site pull-out; then the hand sliding fixing handle is moved in an arc-shaped sliding groove, so that the arm reaches a palmer flexion or dorsiflexion angle needed for fracture stabilization; a fixed bolt is screwed, so that the hand sliding fixing handle is fixed. The auxiliary repository has a simple structure, is low in manufacturing cost, convenient to operate, stable in traction in the restoration process, and ideal in restoration effect, avoids redisplacement had, and meanwhile, reduces the working intensity and difficulty of medical staff.

The invention discloses an upper limb movement control ability estimation system which comprises a user information module, a system setting module, a joint motion range module, a muscular tension module, a muscle strength module and a viability module, wherein the user information module is used for editing user information and acquiring an estimation report of the upper limb movement control ability of the user; the system setting module is used for setting system functions; the joint motion range module is used for testing and estimating the motion range of upper-limb joints of the user; the muscular tension module is used for testing muscular tension of the user during passive elbow flexion and passive elbow extension; the muscle strength module is used for testing and estimating muscle strength of actions of upper limbs and hands of the user; the viability module is used for testing and estimating the corporality viability and the instrumentality viability of the user. The upper limb movement control ability estimation system is high in estimation item integration degree, extremely convenient to use and low in cost.

The invention discloses auxiliary nursing equipment for orthopedic rehabilitation treatment. When the orthopedic rehabilitation auxiliary nursing equipment is used, a thigh wearing framework arc plate is bound and fixed to the outer side of the thigh of a patient through a wearing binding belt, a rehabilitation shank limiting arc plate is bound and fixed to the shank and the ankle of the patient through a shank limiting binding belt, and a rod body at the top of an auxiliary supporting framework inner rod swings and rotates left and right at the bottom of a supporting framework rod through cooperation of an inner rod rotating shaft rod and a framework rod rotating shaft pipe. In this way, elastic left-right swinging of a rehabilitation auxiliary supporting framework rod assembly relative to a rehabilitation thigh wearing assembly is achieved, a patient can autonomously poke the rehabilitation auxiliary supporting framework rod assembly, passive exercise of lower limbs after knee joint replacement is achieved, in later rehabilitation, the patient can overcome the force of an auxiliary buffer spring to achieve active resistance exercise of the lower limbs after knee joint replacement, and meanwhile the auxiliary nursing equipment can also be used for elbow bending rehabilitation exercise of the upper limbs.

The invention discloses a method for simulating a passive dynamic state of muscles of limbs of a human body by a robot. A method for simulating different levels of elbow flexion or knee flexion tension of the human body and a method for simulating different levels of elbow extension or knee extension tension of the human body are included. The robot is provided with a base, a shoulder joint assembly, a large arm, an elbow joint assembly, a small arm and a palm which are sequentially connected, the shoulder joint assembly can drive the large arm to rotate in all directions, and the shoulder joint assembly can drive the small arm to move in flexion and extension. An operator can observe and feel the motion state of the robot in the simulation process, and through repeated experience, the practical skills of a human body tension inspection method can be quickly mastered.

The invention discloses a four-degree-of-freedom rehabilitation mechanical arm device. The device is composed of the two parts including a base and a rehabilitation mechanical arm, wherein the rehabilitation mechanical arm is installed on the base. The rehabilitation mechanical arm is composed of a shoulder abduction joint, a shoulder flexion joint, an elbow flexion joint and a wrist flexion joint. After being collected, motion imaginary electroencephalograms are subjected to preprocessing, feature extraction and pattern classification, and dichotomous signals are obtained to serve as input signals of a mechanical arm control unit. The control unit outputs PWM waves to control a shoulder abduction motor, a shoulder flexion motor, an elbow flexion motor and a wrist flexion motor to rotate.The motion imaginary electroencephalograms are classified through an algorithm, and the singles are transmitted to the control unit. The control unit emits corresponding control singles. The control singles control the rotation of a servo motor. In the four-degree-of-freedom rehabilitation mechanical arm device, the structural design of the mechanical arm is simplified, and assembly and disassembly are convenient.

The invention provides a tennis elbow recognition method based on electromyographic signals. According to the method, a camera is used for capturing the flexion and extension motion of the elbow a patient; vicon software is used for carrying out modeling on the captured motion; after model establishment, the elbow flexion and extension motion trail of the model is perfected to obtain a motion model; data obtained by Vicon processing is imported into virtual 3D software, and elbow flexion and extension motion is analyzed to obtain a corresponding myoelectricity graph; and the myoelectricity graph is imported into a model learning by using a convolutional neural network (CNN) algorithm to identify tennis elbow.

The invention discloses an adjustable upper limb chuck fixer, which relates to the fields of medical treatment and braces. It is composed of disc, adjustment groove, adjustment hole, fixing belt, triangular ring buckle and fixed connection device. The adjustable upper limb chuck fixer can adjust the width of each part in sections according to needs, and the length can be adjusted to make the product more conformable. The product has good air permeability, high wearing and fixing strength, easy cleaning and good comfort. Elbow joint chuck lock design, can follow the doctor's orders limited activities, can adjust the angle of flexion and extension of the elbow joint.