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Sacroiliac joint implant system

  • US 9,788,961 B2
  • Filed: 06/15/2012
  • Issued: 10/17/2017
  • Est. Priority Date: 01/13/2010
  • Status: Active Grant
First Claim
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1. A method of treating a sacroiliac joint via implantation of an implant into a sacroiliac joint space defining a plane between a sacrum and an ilium and comprising a cranial portion and a caudal portion, the method comprising:

  • delivering an iliac member into the sacroiliac joint space, the iliac member including a first arcuate body including a distal end, a proximal end opposite the distal end, a concave superior surface, a convex inferior surface opposite the concave superior surface, an interface surface and a fixation surface generally opposite the interface surface, the iliac member delivered into the sacroiliac joint space such that;

    the concave superior surface faces an extra-articular region and the convex inferior surface faces away from the extra-articular region;

    the fixation surface of the iliac member engages the ilium; and

    the interface surface of the iliac member faces in a direction of the sacrum; and

    delivering a sacrum member into the sacroiliac joint space, the sacrum member including a second arcuate body including a distal end, a proximal end opposite the distal end, a concave superior surface, a convex inferior surface opposite the concave superior surface, an interface surface and a fixation surface generally opposite the interface surface, the sacrum member delivered into the sacroiliac joint space such that;

    the concave superior surface faces the extra-articular region and the convex inferior surface faces away from the extra-articular region;

    the fixation surface of the sacrum member engages the sacrum and the interface surface of the sacrum member faces in a direction of the ilium,wherein the interface surface of the iliac member engages the interface surface of the sacrum member such that movement relative to one another is restricted when both the iliac member and the sacrum member are implanted in the plane of the sacroiliac joint space.

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