14 results about "Right lower limb" patented technology

The application provides a contralateral movement direction prediction method for heterolateral lower limb myoelectric signals and a related device, and belongs to the technical field of human biological signal processing and pattern recognition. The application uses the combined features of the surface myoelectric signals of the left and right lower limbs, the left foot plantar pressure and the right foot three-dimensional acceleration to construct a training set and a test set; a three-class gait prediction model is constructed, the three-class gait prediction model is trained based on the constructed training set, the three-class gait prediction model training result is tested based on the constructed test set, and a trained three-class gait prediction model is obtained; the combined features of the surface myoelectric signals of the left and right lower limbs, the left foot plantar pressure and the right foot three-dimensional acceleration are input into the trained three-class gait prediction model for right foot movement direction prediction, and a right foot movement direction prediction result is obtained. The application solves the problem of low accuracy of contralateral movement direction prediction for heterolateral lower limb myoelectric signals.

The invention discloses a physical exercise device for nationwide fitness, comprising: a deformable basic frame comprising columns and a folding stay bar assembly connected between the columns; the three-dimensional motion seat mechanism is movably connected with the stand column through a spherical hinge mechanism; the upper limb training system comprises a left upper limb swing arm and a right upper limb swing arm which are independently hinged to the upper portion of the stand column. The lower limb training system comprises a left lower limb pedal and a right lower limb pedal which are independently hinged to the bottom of the basic frame; the space transmission frame is of a multi-rod linkage structure, the first end of the space transmission frame is connected with rotating shafts of the left upper limb swing arm and the right upper limb swing arm, and the second end of the space transmission frame is connected with rotating shafts of the left lower limb pedal and the right lower limb pedal. The self-adaptive resistance module comprises a hydraulic damping cylinder and a piston rod, a cylinder body of the hydraulic damping cylinder is installed on the foundation frame, and the movable end of the piston rod is connected to the space transmission frame. According to the device, when a user performs push-pull or pedaling actions, the upper limbs and the lower limbs generate a synergistic movement effect, and the energy transmission efficiency is greatly improved.

A flexible exoskeleton assistive system for Kegel exercises. This invention relates to a flexible exoskeleton assistive training device. The system includes a lumbosacral support component, left and right lower limb connection components, a force transmission component, and a foot stabilization structure. The lumbosacral support component has a power connection part, and the lower limb connection component has lateral connecting ears. The force transmission component connects the power connection part and the lateral connecting ears, and in use, at least partially runs through the space between the body and the support surface. When the left and right lower limbs are abducted, the force transmission component is tensioned and applies an upward traction force to the lumbosacral support component via the power connection part, thereby providing lumbosacral support or weight reduction assistance, adaptable to users of different body types and at different training stages.

The application discloses a stroke passive training instrument, which comprises a moving support, first and second leg training connecting rod groups, first and second arm training connecting rod groups and a back adjusting connecting rod group, wherein the first leg training connecting rod group and the first arm training connecting rod group are located on one limb side, the second leg training connecting rod group and the second arm training connecting rod group are located on the other limb side, the leg training connecting rod group is used for simulating the lower limb gait when walking, and the arm training connecting rod group is used for simulating the upper limb swing when walking; the first leg training connecting rod group and the second arm training connecting rod group are drivingly connected through the back adjusting connecting rod group, and the second leg training connecting rod group and the first arm training connecting rod group are drivingly connected, so that the left upper limb and the right lower limb form a linkage relationship, the left lower limb and the right upper limb form a linkage relationship, and then the rehabilitation training task of the diseased side limb driven by the healthy side limb is realized.

A horizontal lower limb rehabilitation robot includes a horizontal rigid chassis, left and right lower limb training mechanisms symmetrically arranged on both sides of the rigid chassis, an electrical control unit, and a multimodal sensing system located at key locations. The left and right lower limb training mechanisms have identical symmetrical structures. The electrical control unit coordinates the movement timing and amplitude of the hip and knee joint drive units, enabling simultaneous flexion training of the hip, knee, and ankle joints, bridging training to activate the lower limb trunk and gluteal muscles, and gait training simulating natural walking. This robot features a rational structure, convenient adjustment, safety, comfort, and intelligence. Through intelligent control and multiple rehabilitation training modes, it can meet the training needs of patients at different rehabilitation stages and with different body types, achieving integrated rehabilitation training and effect evaluation, and providing a more efficient and safer intelligent device for lower limb rehabilitation treatment.

This invention provides a centralized battery structure for the lower limbs of a humanoid robot. The battery modules are completely removed from the torso and centrally located at the ends of the lower limbs, thus freeing up internal torso space and overcoming the drawbacks of existing torso-based battery placement, such as space occupation, thermal interference, power transmission loss, torso vibration, and cumbersome maintenance. This centralized battery structure for the lower limbs includes multiple battery modules and battery compartments corresponding to each module. The battery modules are located only at the ends of the lower limbs, which include the lower thigh, the lower middle section of the calf, and the foot. The battery compartments are integrated with the corresponding skeletal structure at the lower limb ends, forming mounting cavities to accommodate and secure the corresponding battery modules. The battery modules are symmetrically arranged at the ends of the left and right lower limbs.

The invention discloses an orthopedic insole design method based on lower limb IMU dynamic data, and relates to the technical field of insole design, and the method comprises the steps: obtaining IMU data recorded by an IMU during the walking or running period of a subject; wherein the IMU data comprises acceleration, angular velocity and attitude quaternion; dividing the IMU data into gait cycle data; wherein the gait cycle data comprises a plurality of right lower limb gait cycle data, a plurality of left lower limb gait cycle data or a plurality of left and right lower limb gait cycle data; biomechanical parameters of the subject are extracted from the gait cycle data; the biomechanical parameters are converted into insole parameters for designing an orthopedic insole for the subject. The orthopedic insole is designed on the basis of the IMU data when the subject walks or runs, the kinematics and dynamics influences are considered when the orthopedic insole is designed, and the orthopedic insole more suitable for the subject can be designed, so that the orthopedic insole can provide the correction service more comprehensively.

The application provides a mine exoskeleton robot with shoulder-carrying and shoulder-carrying material carrying functions, comprising a back plate, a hip joint assembly, a left lower limb, a right lower limb, a first driving device and a second driving device. The back plate, the first driving device, the second driving device, the left and right lower limbs are transmitted to the ground to complete the function of carrying materials. The hip joint assembly comprises a left hip and a right hip; the left hip and the right hip are mounted on the back plate. The first driving device is additionally arranged between the left lower limb and the left hip, and the second driving device is additionally arranged between the right lower limb and the right hip. The first driving device, the left hip and the left lower limb, and the second driving device, the right hip and the right lower limb form a triangle. The first driving device and the second driving device provide additional power between the hip joint assembly and the lower limb by utilizing the stability of the triangle, so that the exoskeleton can provide sufficient power to support the weight of the material in the mine scene, and meet the mine demand.

The utility model belongs to the technical field of medical instruments, and particularly relates to a right lower limb fixing instrument which is mainly used for restraining the right lower limb of a patient after a temporary pace-making electrode catheter is implanted after the right lower limb of the patient is punctured. The first restraining part is connected with the first connecting edge, and the first restraining part is provided with a restraining opening; the second restraining part is connected with the second connecting edge, and the second restraining part can partially penetrate through the restraining opening so as to form a crossed state with the first restraining part; the problems that after the right lower limb of a patient is restrained clinically at present, the right lower limb of the patient can still bend, a wire between a pulse generator (a temporary pacemaker) and a temporary pace-making electrode catheter is too long, the wire is prone to being pulled in the wearing process, and the temporary pace-making electrode catheter shifts or falls off are solved.

The utility model provides a hand-operated rotating miscellaneous playing toy, and relates to the technical field of toy artware. The hand-operated rotating miscellaneous playing toy comprises an operating rod and an action unit. The action unit comprises a main body part and four limbs, and the main body part and the four limbs jointly form a character image. The four limbs comprise a left upper limb assembly, a right upper limb assembly, a left lower limb and a right lower limb. And the upper end part of the operating rod is connected with the main body part. A first rotating shaft is rotationally arranged at the upper end part of the main body part, and the left upper limb assembly and the right upper limb assembly are fixedly connected with the first rotating shaft. The directions of the hands of the left upper limb assembly and the right upper limb assembly are different. And the left lower limb and the right lower limb are rotationally connected with the main body part respectively. The utility model provides the manual rotating miscellaneous playing toy, which not only meets the requirements of interestingness and sense of participation of the toy, but also is low in operation difficulty and convenient to play, and can meet the playing requirements of children of all ages.

The invention discloses wearable multi-lead Parkinson's disease motion symptom and sleep disorder monitoring equipment and a signal processing method. The equipment comprises a head, a left upper limb, a right upper limb, a left lower limb, a right lower limb, independent waist wireless sensing nodes and a waist base box, the head node collects EOG and chin muscle sEMG signals, the upper and lower limb nodes integrate nine-axis IMU and sEMG electrodes to collect motion and electromyographic signals, the waist node collects trunk position signals, the base box achieves microsecond hardware synchronization, signal preprocessing and fusion and feature extraction of all the nodes, and local caching and self-adaptive transmission are supported when the network is abnormal. The method comprises the steps of self-inspection initialization, synchronous acquisition preprocessing, multi-modal signal matrix construction, single symptom feature vector set extraction, self-adaptive transmission and cloud analysis. The problems that existing equipment is single in monitoring, poor in environment adaptability and low in compliance are solved, and objective continuous data support is provided for clinical diagnosis and treatment adjustment of the Parkinson's disease.

The invention discloses a lower limb exoskeleton robot for hemiplegia rehabilitation and a control method. The robot comprises a supporting framework, a driving device, a signal collecting device and a control unit. The supporting framework comprises left and right lower limb supporting assemblies and a waist support. The driving device comprises independent controllable driving units corresponding to hip joints, knee joints and ankle joints on the two sides respectively. The signal acquisition device comprises a motion signal acquisition module, a mechanical signal acquisition module and a physiological signal acquisition module. The control unit identifies the healthy side limb and the affected side limb of a user based on the multi-mode signal, and carries out differential control: the healthy side corresponding driving device is controlled to operate in a low-impedance mode to comply with an active movement intention; and controlling the driving device corresponding to the affected side to operate in a high-impedance mode, and outputting an auxiliary torque to guide the affected side to move according to the standard gait. Accurate and personalized rehabilitation training of the limbs on the two sides of the hemiplegic patient is achieved, and neural function reconstruction and motion function recovery are effectively promoted.

The application discloses a kind of limbs linkage rehabilitation training system, it is related to the technical field of rehabilitation treatment, including linkage mechanism, left lower limb pivot is connected with left foot connecting rod, and is rotatably connected with second transmission shaft by first driving arm assembly, left upper limb pivot is rotatably connected with left arm connecting rod, and is rotatably connected with first transmission shaft by second transmission shaft connection;Right lower limb pivot is connected with right foot connecting rod, and is rotatably connected with first transmission shaft by second driving arm assembly, right upper limb pivot is rotatably connected with right arm connecting rod, and is rotatably connected with first transmission shaft by first transmission shaft connection;First adjusting part is arranged on left lower limb pivot, to realize the connection of first driving arm assembly with any position on left lower limb pivot left lower limb swing rod;Second adjusting part is arranged on right lower limb pivot, to realize the connection of second driving arm assembly with any position on right lower limb pivot right lower limb swing rod;The flexible adjustment of upper and lower limb rotation angle proportion can be realized, and the use demand of different rehabilitation treatment conditions can be satisfied.

To provide a lower limb restraint device that can be easily installed even when it is difficult to secure mounting space, and that can accurately restrain the lower limbs of an occupant seated in a seat. [Solution] This is a lower limb protection device S1 positioned in front of the left and right lower limbs ML of an occupant MD seated in a vehicle seat. It comprises a lower limb restraint part 20, a holding member 10 that holds the lower limb restraint part, and a moving means 50 that can move the lower limb restraint part from a standby position P0 to a receiving position P1 when activated. The lower limb restraint part is a flat plate divided into at least two sections in the vertical direction, and is positioned flat along the rear surface of the holding member in the standby position. When the moving means is activated, each section 22U, 22C, 22D is moved relative to the holding member so that the adjacent edge areas of each section protrude rearward, so that in the receiving position the upper and lower intermediate portions protrude rearward relative to the rear surface of the holding member.