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Bone plate system for proximal tibial osteotomy

  • US 5,749,875 A
  • Filed: 01/14/1997
  • Issued: 05/12/1998
  • Est. Priority Date: 03/24/1995
  • Status: Expired due to Term
First Claim
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1. A system for performing opening wedge osteotomies in which a bone is resected so as to have an opening on one side governed by a bony hinge on the other side, the system comprising:

  • a plurality of bone plates, each bone plate having two ends, a width, a proximal side, and a distal side, the distal side having at least one projection with a length and a depth for insertion into the opening to prevent closure of the opening, the projection having opposed edges for engaging and propping open the bone, the plate extending toward the ends on either side of the projection for engaging an outer surface of the bone; and

    a tool having a distal end and a proximal end, the distal end of the tool including a wedge having two prongs, the two prongs being separated from each other by a distance greater than the width of the bone plates, the prongs of the wedge having a substantially linearly tapered thickness beginning at the distal end for wedging and holding open the resected bone and receiving between the prongs a selected bone plate for propping open the wedged open resected bone.

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