The present disclosure is relates to an orthosis device. The orthosis device, in one embodiment, includes an actuator housing, and an electric motor coupled to the actuator housing, the electric motor including a motor stator and a motor rotor, and the electric motor further having high output torque. The orthosis device, in this embodiment, further includes a low-ratio transmission coupled to the actuator housing, the transmission including a gear system coupled to the actuator housing, and a drive system coupling the electric motor and the gear system, wherein a combination of the electric motor and transmission provide a user backdrivable orthosis device.

The invention discloses a wearable multifunctional powered exoskeleton for cervical vertebra rehabilitation, and relates to the field of man-machine interaction rehabilitation aids. The wearable multifunctional powered exoskeleton for cervical vertebra rehabilitation comprises an active drive motor module, a fixed supporting module and a movable joint component; the active drive motor module is connected to the fixed supporting module, and comprises a left shoulder push rod motor, a right shoulder push rod motor, a cervico-thoracic vertebra left front side push rod motor, a cervico-thoracic vertebra left rear side push rod motor, a cervico-thoracic vertebra right front side push rod motor, and a cervico-thoracic vertebra right rear side push rod motor; and the active drive motor module and the movable joint component are combined to jointly form a six-connecting rod power-driven structure. Through the implementation of the wearable multifunctional powered exoskeleton for cervical vertebra rehabilitation, the passive traction, antiflexion and retroextension, lateral flexion and horizontal rotation four-degree-of-freedom rehabilitation exercises of a cervical vertebra are realized, the traction training of a neck is performed, and the directional resistance training of neck muscles is realized. The wearable multifunctional powered exoskeleton for cervical vertebra rehabilitation improves the muscle force of the neck, enhances the stability of the cervical vertebra, improves and corrects the biomechanical balance of the cervical vertebra.

An exoskeleton (1) having a plurality of autonomously operable modules (2.sub.RK, 2.sub.LK, 2.sub.RH, 2.sub.LH) each having a dedicated controller (23.sub.RK, 23.sub.LK, 23.sub.RH, 23.sub.LH) connected to an actuated joint. The exoskeleton (1) further having a multimaster electrical communicator (3) between the controllers (23.sub.RK, 23.sub.LK, 23.sub.RH, 23.sub.LH) of the modules (2.sub.RK, 2.sub.LK, 2.sub.RH, 2.sub.LH). The controller (23.sub.RK, 23.sub.LK, 23.sub.RH, 23.sub.LH) of each module (2.sub.RK, 2.sub.LK, 2.sub.RH, 2.sub.LH) is configured for: collecting information from sensors; sharing information with the remaining modules through the multimaster electrical communicator (3); determining which other modules (2.sub.RK, 2.sub.LK, 2.sub.RH, 2.sub.LH) are present; and autonomously calculating and commanding a desired trajectory of the actuated joint of the module (2.sub.RK, 2.sub.LK, 2.sub.RH, 2.sub.LH) for assisting the movement of the corresponding biological joint in coordination with the kinematic condition of other biological joints.

A method of measuring muscular fitness of a user using a wearable device includes determining a target resistance profile for a target movement to be performed by the user wearing the wearable device to measure muscular fitness, controlling a motor driver circuit of the wearable device based on the target resistance profile to control a resistance force to be provided to the user, measuring state information of an actual movement performed by the user under the resistance force, and measuring the muscular fitness of the user based on the state information.

A rehabilitation training apparatus and a rehabilitation training system are disclosed. The rehabilitation training apparatus includes a powertrain, a pneumatic flexible actuator and a receiving portion. The powertrain is coupled to the pneumatic flexible actuator and configured to rotate upon drive of the pneumatic flexible actuator. The receiving portion is coupled to the powertrain and configured to receive a training portion and be interlocked with rotation of the powertrain.

Artificial limbs and joints that behave like biological limbs and joints employ a synthetic actuator which consumes negligible power when exerting zero force, consumes negligible power when outputting force at constant length (isometric) and while performing dissipative, nonconservative work, is capable of independently engaging flexion and extension tendon-like, series springs, is capable of independently varying joint position and stiffness, and exploits series elasticity for mechanical power amplification.

The present disclosure relates to an assisted exoskeleton rehabilitation device, comprising: a back structure comprising a back crossbeam, a back supporting panel with an adjustable length, and a shoulder pneumatic muscle element mounted on the back supporting panel; an arm structure; a shoulder joint assembly, by which the arm structure is connected to an upper end of the back structure; and a waist structure. An upper end of the back supporting panel is fixedly connected to the back crossbeam, and a lower end thereof is fixedly connected to the waist structure. The shoulder joint assembly comprises a curved shoulder joint connecting panel, a shoulder traction wheel, a shoulder traction line, a first hinge mechanism and a second hinge mechanism. One end of the shoulder joint connecting panel is connected to the upper end of the arm structure by the first hinge mechanism to form a bend-stretch revolute pair of the shoulder joint, and the other end of the shoulder joint connecting panel is connected to the back crossbeam by the second hinge mechanism to form an abduction-adduction revolute pair and a medial rotation-lateral rotation revolute pair of the shoulder joint assembly, and the shoulder traction wheel is fixed to the upper end of the arm structure. The shoulder traction line is connected at one end to the shoulder traction wheel, and connected to the shoulder pneumatic muscle element at the other end.

This disclosure relates to a portable medical device comprising:

a medical equipment for the acquisition of data and a carrier system, wherein the medical equipment comprises:
a processing unit configured to process the data acquired using a probe linked to a processing unit,
and wherein the carrier system is configured to equip the body of the user of the device with the medical equipment.

A robotic assembly comprises a first joint comprising first and second support members rotatably coupled together, and a joint position restoration assembly coupled to at least one of the first or second support members. The joint position restoration assembly can comprise a first spring and a mechanical linkage, wherein the joint position restoration assembly is operable to apply a restoring torque to the first joint. The joint position restoration assembly can be configured to provide a restoring torque versus joint position profile relative to the first joint that corresponds to known mass properties of at least a portion of the robotic assembly acting on or otherwise associated with the first joint, such that, when the first joint is not undergoing powered actuation, the joint position restoration assembly operates to apply, based on the profile, the restoring torque to position and to support the first joint in a stable support position.

A robotic system comprising an upper robotic assembly and a base platform rotatable relative to one another in at least one degree of freedom via one or more joints. The robotic system further comprises a joint position restoration assembly coupled to at least one of the upper robotic assembly or the base platform, and having a first spring coupled between the upper robotic assembly and the base platform, the joint position restoration assembly being operable to apply a restoring torque to the first joint, wherein the joint position restoration assembly is configured to provide a restoring torque versus joint position profile relative to the first joint that corresponds to mass properties of at least a portion of the robotic assembly associated with the first joint, such that the joint position restoration assembly operates to apply the restoring torque to position and to support the first joint in a stable support position.