Metallic extracting rod for orthopedic operations, particularly for prosthesis change, is provided with threaded portion with conical threaded portion changing in cylindrical form temporarily

摘要

The metallic extracting rod is provided with a threaded portion with a conical threaded portion changing in a cylindrical form temporarily, self-cutting screw threads hexagonal in the end for ring spanners, a screw thread for a stop and a sliding hammer.