Prosthetic implant collar

Details Prosthetic implant collar Prosthetic implant collar

A - Human Necessities

61

F

A61F 2/36 (2006.01) A61B 17/16 (2006.01) A61B 17/17 (2006.01) A61F 2/46 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2149916

A prosehetic device for the human hip having elongated fins (22,30,34,36) or other like protrusions which are provided on the underside of a collar (18) and which extend into previously formed slots or grooves (24) in the bone (16). Either a plurality of fins, or a single fin having a non-rectilinear shape is provided. Apparatus for formation of the grooves in the bone includes a mill guide (48) which can be mounted onto the proximal cad of a rasp (40) embedded in a cavity formed in the bone. A milling bit (70) is used in conjunction with the mill guide to form precisely located and shaped grooves into which the fins can scat. A clamp (92) is provided for securing the prosthetic device to the femur while the cement is hardening.

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