Patent ID: 7033359

Claim:
A bone grafter attachment unit for removing and collecting bone fragments from a bone, using a surgical rotational handpiece, the bone grafter attachment unit comprising: a rotatable drill having a shank engageable with the handpiece, and a cutting member; and a container for receiving bone fragments and having an opening at a bottom through which said cutting member passes, said container being held against rotation during rotation of said drill and said drill being movable relative to said container, said container comprising an inner sleeve unit having at least one peripheral opening along a side and an outer sleeve surrounding at least a part of said inner sleeve unit, said outer sleeve being selectively fixed to said inner sleeve unit such that when said outer sleeve is fixed to said inner sleeve unit, said at least one peripheral ooenino is covered by said outer sleeve, whereby when said drill is rotated by the handpiece and said cutting member engages bone, bone fragments are created and pass over said cutting member and through said opening in the bottom of said container into said container.