Patent ID: 7896881

Claim:
An acetabular reamer comprising: a body including a peripheral surface, the peripheral surface defined by a radius extending from an origin, said body defining an axis of rotation thereof, said body defining two end surfaces operably connected to peripheral surface and, said body defining first and second relief surfaces spaced from one another and the axis of rotation and operably connected to the peripheral surface, wherein the peripheral surface is a truncated hemisphere, the truncated hemisphere being defined by the two end surfaces and the first and second relief surfaces; a cutter operably associated with said body for reaming a portion of the acetabulum; a driver connector directly coupled to the end surface; and first and second support structures which are secured to and extend along the first and second relief surface respectively between opposite ends thereof at the intersections of the relief surfaces and the end surface, the support structures extending inwardly from the relief surfaces towards the origin.