Abstract: The artificial wrist serves to connect an arm prosthesis shaft to an implement and comprises distal retaining means, a proximal retaining member adapted to extend into said prosthesis shaft and formed with first and second engaging surfaces, locking means interlocking with said distal retaining means and said first engaging surface to hold said distal retaining means and said proximal retaining member axially together, a sliding surface bearing adapted to rotatably connect an implement to said distal retaining means, and rotatable coupling means which engage said second engaging surface and are adapted to engage said prothesis shaft.

Abstract: A connection means between a part of a skeletal prosthesis such as a foot or hand and a cosmetic cover. A connecting link is fastened to the open front end of the cover with the surface of the connecting link extending transversely across the front end of the cover. The connecting link has at least two pin sockets running perpendicular and contiguous to its surface with a catch abutting one side of each socket. The link is preferably plate-shaped having a central portion projecting outwardly on one surface and recessed on the other with a central opening to permit passage of a skeletal member. A connecting plate is mounted on the foot or other working part of the prosthesis and has connecting pins for connection with the pin sockets.

Abstract: An artificial foot and ankle joint including a foot part having a plastic impregnated upper surface portion, an ankle part having a lower plastic impregnated articulation surface and a bifurcated joint connecting the two. The bifurcated joint has a lower part which contains an articulation axis and is connected into the foot part through the plastic impregnated surface portion of the foot part. The bifurcated joint also has an upper part generally U-shaped in cross-section which contacts the articulation axis from below. The upper part of the bifurcated joint is connected to the ankle part through the plastic impregnated recessed articulation surface of the ankle part. An elastic articulator is provided between the ankle part and the foot part and has a central opening for receiving the lower part of the bifurcated joint. The articulator has only a front dorsal projection and side rotation surfaces for cooperation with the plastic impregnated articulation surface of the ankle part.