Patent ID: 9138323
Filing Date: 2015-09-22
Classification: A61F

Abstract:
1. A finger joint prosthesis comprising a joint body having: a first joint element pivotally connected to a second joint element about a rotary axis, the first joint element having an external hollow cylindrical body with an insertion opening at one side and the second joint element having an internal hollow cylindrical body, the external hollow cylindrical body and the internal hollow cylindrical body being of a rotationally symmetrical configuration, and each of the external and internal hollow cylindrical bodies having an internal peripheral surface and an external peripheral surface, the external peripheral surface of the internal hollow cylindrical body being slightly smaller than the internal peripheral surface of the external hollow cylindrical body; and first and second areal anchoring bars extending distally outwardly from each of the first and second joint elements, respectively, the first and second areal anchoring bars being configured to be fixed to a proximal and a distal phalanx, respectively,