Patent ID: 6758842
Filing Date: 2004-07-06
Classification: A61B,A61M

Abstract:
A medical instrument for removing tissue, bone cement or organic or synthetic materials from a human or animal body, comprising:a hand piece having a distal end; an application part arranged at said distal end of said hand piece, said application part being axially movable to-and-fro relative to said hand piece, said application part having at least in a region of a distal end of said application part a conduit, which has, in a distal region of said conduit, at least one of a suction and an irrigation aperture; a drive mechanism for said application part, said drive mechanism being provided in said hand piece, said drive mechanism transferring a pressure being continuously present in said hand piece into said to-and-fro movement of said application part; and a sleeve operable to control the configuration of an air outlet opening so as to adjust at least one of a length of stroke and a frequency of said to-and-fro movement of said application part.