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Alignment guides with patient-specific anchoring elements

  • US 8,864,769 B2
  • Filed: 03/07/2011
  • Issued: 10/21/2014
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
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1. An orthopedic device for joint arthroplasty comprising:

  • an alignment guide mountable on a bone of a patient during joint arthroplasty; and

    a plurality of patient-specific anchoring elements extending from an inner surface of the alignment guide and having a patient-specific length relative to an outer bone surface of the bone of the patient, the patient-specific length is a custom length based on a multi-dimensional image of the patient'"'"'s bone surface and soft tissue covering the bone surface;

    wherein the inner surface is a three-dimensional patient-specific surface including a customized shape based on a multi-dimensional image of an outer cartilage surface of the bone of the patient and configured to nestingly mate to and be mounted on the outer cartilage surface of the bone of the patient in only one position.

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