A mobility augmentation system monitors data representative of a user's motor intent and augments the user's mobility based on the monitored motor intent data. A machine-learned model is trained to identify an intended movement based on the monitored motor intent data. The machine-learned model may be trained based on generalized or specific motor intent data (e.g., user-specific motor intent data). A machine-learned model initially trained on generalized motor intent data may be re-trained on user-specific motor intent data such that the machine-learned model is optimized to the movements of the user. The system uses the machine-learned model to identify a difference between the user's monitored movement and target movement signals. Based on the identified difference, the system determines actuation signals to augment the user's movement. The actuation signals determined can be an adjustment to a currently applied actuation such that the system optimizes the actuation strategy during application.

The invention relates to an automated hand, such as a prosthetic hand. In one form, the automated hand may be fluid compatible. In one form, the automated hand may comprise features to reduce the risk of harm to motors and/or other sensitive components of the hand when subject to an impact. In one form, the hand may comprise a wrist joint configured to allow the hand to curl and flex and/or to rotate. In one form, one or more digits of the hand may be individually controlled. In one form the hand may include a thumb rotation locking mechanism. In one form the hand may be provided with removable grip plates. In one form, the hand may be configured for use as a training hand.

Features for prosthetic digits are described. The digits mimic natural fingers by having multiple articulating segments, for example three, that can rotate varying amounts. Rotatable and/or linearly expandable mechanical links are configured to provide the digit segments with multiple degrees of rotational freedom. The digit may have an actuator that outputs linear actuation to cause rotation of the digit segments. The digit may have an expandable proximal link to allow for variable relative rotational positions of the segments. Middle and/or distal digit segments may fully rotate independent of rotation of a proximal digit segment. The rotated digit may thus fully surround and grasp small or large objects, objects with irregular outer contours, etc.

Systems and methods for a wearable sensor system including a compressible material, a two-dimensional array of distance sensors, a support structure, and a controller. The compressible material is positionable relative to a tissue surface and the two-dimensional array of distance sensors is configured relative to the compressible material to detect compressive deformations of the compressible material. The support structure is configured to hold the compressible material in place relative to the tissue surface such that muscle movements at the tissue surface cause the compressive deformations of the compressible material and is also configured to restrict movement of the two-dimensional array during the muscle movements. The controller is configured to receive a signal from the two-dimensional array indicative of the compressive deformation of the compressive material at a location of each distance sensor

Features for a prosthetic wrist and associated methods are described. The wrist couples with a prosthetic socket and a prosthetic hand. The wrist may rotate the hand. The wrist includes features to prevent or mitigate undesirable separation of the wrist from the socket. The wrist may have an expanding coupling, such as an expanding ring, to better secure the wrist with the socket. An actuator may cause the coupling to expand outward to prevent or mitigate undesirable separation of the wrist from the socket. Alternatively or in addition, the wrist may include torque control features to prevent undesirable or premature separation of the hand from the wrist, for example when using a “quick wrist disconnect” (QWD) apparatus. A torque control method may tailor or limit multiple torques to be applied by the wrist to the hand based on operational requirements and phases, such as anticipated torque loads and operational timing.

The disclosure provides apparatus and methods of use pertaining to a biomechanical finger brace assembly. In one embodiment, the assembly includes a coupling tip, a proximal ring configured to concentrically receive a user's finger, a distal ring configured to concentrically receive the finger, and a rocker formed in an H-shape. The distal ring and the rocker are pivotally suspended between a proximal coordinated pivot point anchored on the proximal ring and a distal coordinated pivot point anchored on the coupling tip, such that movements of the finger within the proximal ring articulate the distal ring together with the rocker to articulate the coupling tip. The coupling tip may include an open end or an enclosed recess to accept a minimally-amputated or non-amputated finger. Other embodiments are also disclosed.

A wearer is made to judge, based on a detection result by a signal detection unit, either one of an opposition movement, an adduction movement, a flexion movement, and an extension movement of a thumb; and a linear member drive unit is controlled to pull or relax each linear member corresponding to the judged movement in order to cause the thumb's intrinsic muscles and/or extrinsic muscles, which are required for the judged movement, to generate an assist force.

A prosthetic adaptor includes a post plate, a grip plate coupled to the post plate, and an equipment interface coupled to the post plate. The equipment interface can be coupled to the post plate at an end of the post plate distal from the grip plate. The post plate can include a concave surface. The concave surface can be configured to receive a Hosmer-like prosthetic hook.

The invention relates to a hand prosthesis that can be adapted at the forearm or wrist. The prosthesis including a mechanical design with a smaller number of parts than the prior art, thus facilitating the assembly, maintenance and production thereof. Likewise, the prosthesis includes a plurality of motion transmission systems in a housing similar to the volume of a biological hand and provides sufficient grip strength to reincorporate the user into everyday activities. The invention includes an adult hand prosthesis, a child hand prosthesis and a wrist that allows the user to hold heavy loads while moving around.

The invention relates to a hand prosthesis that can be adapted at the forearm or wrist. The prosthesis including a mechanical design with a smaller number of parts than the prior art, thus facilitating the assembly, maintenance and production thereof. Likewise, the prosthesis includes a plurality of motion transmission systems in a housing similar to the volume of a biological hand and provides sufficient grip strength to reincorporate the user into everyday activities. The invention includes an adult hand prosthesis, a child hand prosthesis and a wrist that allows the user to hold heavy loads while moving around.