Patent ID: 8052689

Claim:
A reamer suitable for cutting bone, the reamer comprising: a) an interface for connection to a reamer spindle in order to be driven in rotation about a cutter axis; and b) a reamer body connected to the interface, the reamer body having multiple cutting sites and comprising a dome portion of a hemisphere extending from a lower edge defining a lower perimeter to an intermediate edge defining an intermediate perimeter located on an imaginary intermediate plane that is spaced from and positioned between an imaginary apex of the dome portion and the lower edge, wherein the lower perimeter of the lower edge is greater than the intermediate perimeter of the intermediate edge, and c) wherein the interface is at least one reinforcement bar connected to spaced apart locations of the dome portion, and d) wherein the dome portion is rotatable about the cutter axis, which passes through the imaginary apex and is perpendicular to an imaginary equatorial plane of the hemisphere.