Patent ID: 7244263

Claim:
A surgical instrument of the kind having a hand piece engagable proximal part and a tissue working distal part, said surgical instrument comprising: an outer member; an inner member movable in said outer member; at least one said member comprising: a proximal member having a generally tubular distal portion; and a tissue working tip having a generally tubular proximal portion, said tip proximal portion and proximal member distal portion being at least partly telescoped and therewith having radially opposed surfaces, said tip proximal portion having a plurality of circumferentially-spaced projections generally protruding from said surface of said tip, a circumferential space defined between adjacent ones of said projections being circumferentially wider than an adjacent said projection, said radially opposed surface of said proximal member having portions disposed in locations corresponding with said projections, a substantial part of each said portion being disposed in superimposed relation with the corresponding said projection and thereby relatively fixing said proximal member and said tip.