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Bone broaches and methods of manufacturing thereof

  • US 5,006,121 A
  • Filed: 04/23/1990
  • Issued: 04/09/1991
  • Est. Priority Date: 04/23/1990
  • Status: Expired due to Fees
First Claim
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1. A bone broach for removing tissue and shaping the surface of a bone for receiving an implant comprising:

  • a support mandrel defining a mandrel axis and having first and second mandrel ends;

    a plurality of broach plates stacked on said mandrel between said first and second ends thereof, each broach plate having an opening therethrough through which said mandrel passes, and first and second substantially flat and parallel surfaces substantially perpendicular to said mandrel axis circumscribed by a peripheral surface shaped at least in part to form a cutting edge defining at least part of the desired bone opening for the respective axial position of the respective said broach plate on said mandrel;

    alignment means for maintaining each of said broach plates at a fixed angular alignment on and with respect to said mandrel; and

    ,clamping means for maintaining said broach plates tightly stacked on said mandrel.

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