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Coordinate mapping system for joint treatment

  • US 9,351,746 B2
  • Filed: 10/07/2014
  • Issued: 05/31/2016
  • Est. Priority Date: 11/20/2009
  • Status: Active Grant
First Claim
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1. A positioning instrument, comprising:

  • a main body including a first hub portion and a first elongate portion extending from the first hub portion;

    a rail body including a second hub portion and a second elongate portion extending from the second hub portion, the rail body positioned along the main body such that a first hub portion center is aligned with a second hub portion center;

    an alignment guide being detachable and movable along a length of the rail body, the alignment guide including at least one device portal configured to guide a device into a bone; and

    a reference body including a third don ate ion having a first end and a second end and a base portion, wherein the base portion extends from the first end and the second end includes an open-ended slot configured to receive a portion of the main body such that the main body is detachable and moveable with respect to the reference body.

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