Patent ID: 7621915
Filing Date: 2009-11-24
Classification: A61B

Abstract:
1. A reamer for reaming a bone or a cartilage, or a combination thereof, during surgery, wherein the reamer includes a hollow body comprising an exterior surface and a rim, the exterior surface of the hollow body comprising a first portion and at least one second portion, the first portion of the exterior surface of the hollow body dimensioned substantially as a surface of rotation about a rotational axis, and comprising a plurality of raised edges for cutting the bone or the cartilage or the combination thereof, and a plurality of openings for passing of fragments of the bone or the cartilage or the combination thereof into an interior of the hollow body, and the at least one second portion forming at least one generally planar exterior surface of the hollow body that extends substantially close to the rim of the reamer so as to capture fragments of the bone or the cartilage or the combination thereof into the interior of the hollow body, wherein the raised edges are confined to the first portion of the exterior surface of the hollow body, and wherein the first portion of the exterior surface of the hollow body includes a peripheral edge that forms at least a portion of a first arc, and wherein an intersection of the first portion and the at least one second portion forms a second arc that extends continuously from one point on the peripheral edge of the first portion to another point on the peripheral edge of the first portion.