Joint endoprosthesis

Abstract

Abstract 1. A joint endoprosthesis with a joint portion (13) and a shaft portion (15) of which the mutual spacing can be altered by means of an adaptor wherein the adaptor comprising two sleeves (1, 2) which are non-rotatable relative to one another and to the joint portion (13), of which the one (1) receives an axially immovable head (4) rotatable from the outside by means of a tool (21), which head can be screwed with a screw-threaded shaft (3) into the other sleeve (2) provided with an internal screw-thread, characterized in that on the side facing away from its screw-threaded shaft (3), the head (4) of the adaptor is provided with tool mating surfaces (20) with which the end (21a) of a tool (21) which is to be inserted through an axial bore (22) of the joint portion (13) can be brought into force-locking engagement.

Inventors

• 👤 Hans Grundei
• 👤 Thomas Dr. Biehl

Bibliographic Details