An upper extremity prosthesis for placement on a residual limb of a person that includes an elongated member having a first end and an opposite second end and also includes an outer prosthetic shell having a first end and an opposite second end. The prosthesis also includes at least a first support and a second support, wherein the first support and the second support surround and are fixedly coupled to the elongated member at first and second attachment points, respectively. The outer prosthetic shell thus surrounds and is coupled to the first support and the second support. The first support and the second support can be a disk-shaped structure through which the elongated member passes.

An outer frame for a prosthetic limb is provided. The outer frame is formed from one or more parts and has a plurality of air flow openings.

Disclosed are a body channel communication method and an apparatus performing the same. An operating method of a transmitter includes obtaining an input signal including biometric information, generating an encoded signal and a control signal by encoding the input signal, generating a return-to-zero (RZ) signal of a biphasic waveform based on the encoded signal, and transmitting the RZ signal through a body channel.

A neurostimulator incorporating a novel chip design that uses the principle of redundant signal crossfiring to overcome electronic component mismatch error in general and transistor mismatch error in particular, to yield superior quality neurostimulation signal generation, useful in enhancing the bidirectional human-machine interface in prosthesis operation for the restoration of somatosensation for an amputee.

A prosthetic limb in amputation rehabilitation, having a forearm and a hand with four fingers and a thumb, with the wrist and the fingers & thumb thereof being fully independently controlled by nerve signals originating in the amputee's brain and not being controlled by the actions of nearby muscles in the amputee's upper arm or shoulder. Control of the prosthesis is achieved by a fully contained electronic unit in the forearm of the prosthesis that receives neural signals from the brain, converts the analog neural signals to digital signals that are fed into an artificial intelligence engine circuit that utilizes a library of algorithms to learn from the brain what the signals are that will produce a desired hand and finger movement, then convert its computed digital output to analog electrical signals that are fed to the prosthetic hand and finger to produce actual motion as instructed by the brain.

A prosthetic arm apparatus comprising a plurality of segments that provide a user of the prosthetic arm apparatus with substantially the same movement capability and function as a human arm. The segments are connectable to one another and connectable to a harness mount that may be adorned by the user. Each segment of the plurality of segments provides a portion of the movement capability, enabling the plurality of connected segments connected to the harness mount to provide substantially the same movement capability as that lacking in the user.

Prosthetic devices and, more particularly, modular myoelectric prosthesis components and related methods, are described. In one embodiment, a hand for a prosthetic limb may comprise a rotor-motor; a transmission, comprising a differential roller screw; a linkage coupled to the transmission; and at least one finger coupled to the linkage. In one embodiment, a component part of a wrist of a prosthetic limb may comprise an exterior-rotor motor, a planetary gear transmission, a clutch, and a cycloid transmission. In one embodiment, an elbow for a prosthetic limb may comprise an exterior-rotor motor, and a transmission comprising a planetary gear transmission, a non-backdrivable clutch, and a screw.

Prostheses include a terminal device, a back-lock mechanism, a wrist, a limb-socket, and a harness system. The terminal device can be a five-fingered mechanical hand that provides a releasable adaptive grasp, and has independently flexible fingers. The limb socket can be 3D printed using a molded model of a remnant limb. The harness strap can encircle an unaffected limb and is coupled to the terminal device with a cable so that a user can control the terminal device. The harness system can include a 3D printed harness ring that couples to the cable.

Valve for a prosthesis socket, the socket delineating an open cavity to receive a stump of an amputated limb and delineating a pass-through hole opening into the cavity and designed to receive the valve, the valve including a support in which a pass-through channel is formed and an element movable between an outlet position in which the element allow an air flow out of the channel in an outlet direction and a sealing position in which the element prevent any air flow inside the channel in an opposite direction to the outlet direction, the support including a thread configured to mount the support in removable manner inside the pass-through hole, and to enable disassembly of the support in an opposite direction to the outlet direction.

Various examples are provided for modular prosthetic devices and their use. In one example, a device includes a chassis assembly including a joint portion; and an interchangeable module that can be removably attached to the chassis assembly. The interchangeable modules can be configured for use in a wide variety of applications. The interchangeable modules can be quickly exchanged for different activities.