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Patient-specific acetabular alignment guides

  • US 8,603,180 B2
  • Filed: 05/19/2011
  • Issued: 12/10/2013
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
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1. An acetabular system comprising:

  • a patient-specific acetabular alignment guide including a bone engagement surface having first and second portions, the first portion configured and shaped to be conforming and complementary only to a portion of a rim surface around an acetabulum of a specific patient without extending into the acetabulum, and the second portion configured and shaped to be conforming and complementary to a periacetabular area outside the acetabulum of the specific patient in accordance with a three-dimensional model of the acetabulum of the specific patient reconstructed pre-operatively from an image scan of the patient, the acetabular alignment guide including a plurality of guiding formations extending through the second portion for guiding a plurality of alignment pins therethrough, wherein the plurality of guiding formations are arranged and configured based on a pre-operative plan for the patient.

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