Acetabulum sizer and drill guide

Details Acetabulum sizer and drill guide Acetabulum sizer and drill guide

A - Human Necessities

61

B

128/111

A61B 17/00 (2006.01) A61B 17/17 (2006.01) A61F 2/34 (2006.01)

Patent

CA 1235348

ACETABULUM SIZER AND DRILL GUIDE Abstract An acetabulum sizer and drill guide for use in implanting an acetabular cup prosthesis comprises a substantially hemispherical shell having an outside surface that generally conforms to the outside surface of the prosthesis to be fitted into a prepared acetabulum. Viewing ports in the shell enable visual inspection of the acetabulum during sizing thereof. A circular peripheral rim on the shell is generally flush with the peripheral boundary of a properly sized acetablum when the shell is seated therein. Drill guide structure on the shell functions to guide a drill bit into the pelvis bone adjacent the acetabulum in preparing the acetabulum for the acetabular cup prosthesis. A handle is releasably connected to the drill guide structure for manipulating the shell during sizing and drilling.

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