Tangential fit of patient-specific guides

  • US 9,826,981 B2
  • Filed: 03/10/2014
  • Issued: 11/28/2017
  • Est. Priority Date: 03/13/2013
  • Status: Active Grant
First Claim
Patent Images

1. A bone preparation guide comprising:

  • a first patient-specific portion based on image data of a specific patient'"'"'s bone and configured to match the patient'"'"'s specific bone surface;

    a second patient-specific portion based on image data of the specific patient'"'"'s bone and configured to match the patient'"'"'s specific bone surface; and

    a patient-generic portion configured to be a bone-facing portion supported by the first patient-specific portion and the second patient-specific portion at a portion of the patient'"'"'s bone surface not imaged during preparation of a preoperative plan;

    wherein the first patient-specific portion and the second patient-specific portion both include bone contacting members including pointed tips.

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