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System and method for cavity generation for surgical planning and initial placement of a bone prosthesis

  • US 5,824,085 A
  • Filed: 09/30/1996
  • Issued: 10/20/1998
  • Est. Priority Date: 09/30/1996
  • Status: Expired due to Term
First Claim
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1. A method for planning the position of a prosthesis within a bone, said prosthesis having a proximal and a distal portion, said method comprising:

  • providing a model of the prosthesis and a model of the bone; and

    generating based on the prosthesis model a first cavity model intended to accommodate the prosthesis within the bone,said cavity model comprising an access region, a proximal cavity region, a distal cavity region, and a distal extension region,said distal cavity region dimensioned to provide an interference fit between said prosthesis model and said bone, andsaid distal extension region extending beyond the distal end of the prosthesis to provide room for subsidence of the prosthesis within the bone.

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