A liner for a prosthesis, wherein the liner is made of a liner material and comprises a proximal opening for accommodating an amputation stump, a distal end, a longitudinal direction, which extends from the proximal opening to the distal end, and an auxetic material The auxetic material is a two-dimensional-auxetic material, which is arranged in such a way that an extension of the liner in the longitudinal direction leads to an expansion of a diameter of the liner.

A prosthetic foot (200) that does not require metallic connectors to attach carbon fiber leaf springs (201) and (202) is provided. The carbon fiber leaf springs (201) and (202) are attached together by three-dimensionally stitching prepreg preforms of the carbon fiber leaf springs (201) and (202) at the junction (203) of the carbon fiber leaf springs (201) and (202), and then further curing the stitch attached prepreg preforms. In another embodiment, a woven interlayer attached the two carbon fiber leaf springs (201) and (202).

A prosthetic foot comprises a hollow triangular lightweight top section that is an integral part of a first leafspring that originates from a top portion to the toe of the prosthetic foot. The prosthetic foot further comprises a second leaf spring. The second leaf spring originates from the heel to the toe.

Breathable residual-limb system that admits air and allows sweat to evaporate from the surface of the residual limb. In an embodiment, the system comprises a liner sock to be worn on the residual limb, and comprising air-permeable textile forming a substantially cylindrical portion that is closed on a distal end and open on a proximal end and comprising an internal surface and an external surface. The liner sock further comprises a friction-interface material that covers only a portion of the internal surface of the air-permeable textile, such that, when worn on the residual limb, the friction-interface material contacts a surface of the residual limb, and an uncovered portion of the air-permeable textile which the friction-interface material does not cover allows air to pass between an external environment of the liner sock and the surface of the residual limb.

A prosthetic foot and method of fabricating the same is disclosed which includes a socket assembly configured to connect to a natural limb of a patient, a sideway cylindrical ankle joint having a maze-like internal structure laterally affixed to the socket assembly; a foot assembly, laterally affixed to the sideway cylindrical ankle joint, having a dorsal portion, a phalange portion, a sole portion, and a heel portion; the phalange portion having a first end connected to the dorsal portion and a second end connected to the sole portion, the sole portion having a curve shape and connected to the heel portion; and the heel portion having a spring assembly connected to said cylindrical ankle joint.

A system and method for creation and function of an advanced prosthetic hand includes: a base palm, comprising the primary body of the prosthetic hand; a set of actuating digits, wherein each actuating digit is connected to the palm; a sleeve, connected to the palm, providing an interface; a sensor system, comprising sensors integrated on a subset of the set of actuating digits; and a feedback system, connected to the sensor system enabling sensory feedback from the sensor system. In preferred variations, the base palm comprises, at least partially, a carbon-fiber shell. The system may further include a set of water sealing elements integrated into the prosthetic hand. The system functions as a hand prosthesis with actuating digit and hand components.

A method for producing orthosis or prosthesis components for receiving or for fastening to a body part, the method including: applying a base layer to a support corresponding in form to the form of the body part, arranging multiple fastening elements having a base and an interlocking element protruding from the base, on the base layer in defined positions relative to one another, the base of the fastening element resting on the base layer or facing towards the base layer, placing at least one layer of a fiber composite material on the base layer and embedding the base, the interlocking element remaining accessible from the side facing away from the base layer, and curing the at least one fiber composite material layer.

A prosthetic socket includes a conical cup, an outer layer on the outer surface of the conical cup, and a reinforcement layer on the inner surface of the conical cup. The prosthetic socket is shapeable after being heated to a shaping temperature. The outer layer is less malleable than the conical cup at the shaping temperature, but has a higher rigidity than the conical cup at the shaping temperature and has smoother outer surface than an outer surface of the conical cup. The reinforcement layer has a higher resistance against circumferential stress than the conical cup. A residual limb or a model of a residual limb can be inserted into the preformed prosthetic socket. The prosthetic socket is then heated to the shaping temperature and molded to conform to the contour of the residual limb or the model to form a prosthetic socket.

A prosthesis socket casting device having a housing and a flexible membrane for receiving a residual limb, the housing and the membrane defining a cavity for containing a fluid. Within the housing are means that are a function of the patient's weight for altering the distribution of the reactive fluid pressure applied when the residual limb is received within the membrane. In a preferred embodiment, the altering means comprise a movable piston that is provided at a lower end of the housing.

The present disclosure is directed to prosthetic limb sockets that couple prosthetic limbs to residual limbs. The sockets include a conical cup sized to engage and couple to the residual limb, and a base to secure the socket to the prosthetic limb. The sockets are direct heat-formable onto the residual limb, such that they can be heated and formed as they are secured to the residual limb.