Bone chisel for removing bone column from bone e.g. lower leg bone of human knee, has elongated polygonal structured hollow case with guide in which guide wire is arranged

摘要

The bone chisel (12) has an elongated polygonal structured hollow case (16) with a distal cutting edge (34) and a proximal recess for connecting a driver. The hollow case is provided with a guide (52) in which a guide wire is arranged. The tip (50) of wall (22) of hollow case is projected out, such that the tip prjects centrally from the wall.