Emerge of articulation for small bones, in particular emerge trapezo - metacarpal or inter - phalangeal and assembly formed by said emerge and by the instruments of the extraction of said emerge

摘要

The prosthesis (1) comprises at least a bone implant elongate formed by the assembly of a medullary element (2) having a proximal portion (2a) of bent shape of a joint element (3); according to the invention, said element marrow depression (2) has a groove of the acquired (5) provided at its proximal portion (2a). The present invention also relates to an assembly formed by said prosthesis and by extraction instruments of the prosthesis.