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REAMING GUIDE ALIGNMENT INSTRUMENT

  • US 20090270865A1
  • Filed: 04/28/2008
  • Published: 10/29/2009
  • Est. Priority Date: 04/28/2008
  • Status: Active Grant
First Claim
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1. An alignment system for aligning a reaming guide during insertion into a cavity of a bone, the bone having a resected surface, the cavity defining a cavity axis, the system comprising:

  • a reaming guide comprising an elongate stem portion having a stem axis and a neck portion extending from the stem portion at an incline with respect to the stem axis; and

    an alignment instrument comprising;

    a handle defining a handle axis, the handle releasably couplable to the reaming guide such that the axis of the handle is in a predetermined relationship with the stem axis; and

    a plane finder slidably coupled to the handle, the plane finder comprising a surface defined by a plane that intersects the axis of the handle at an angle having a predetermined relationship with the angle at which a resection surface of the bone intersects the cavity axis;

    wherein the plane finder is slidable relative to the axis of the handle when the stem portion is partially inserted into the cavity from a first position to a second position whereat the plane finder engages the resection surface.

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