Patent Number: 6,685,709

Title: Apparatus and method for reconstructing ligaments

Abstract: Apparatus for removing bone from a femoral notch, or the like, whichincludes a guidewire and a router assembly. The router assembly comprisesa cutting head fixed to a shaft rotatably disposed in a hole through abody portion of a shield assembly. A hood portion of the shield assemblyextends from the body portion of the shield assembly and covers a firstportion of the cutting head while leaving exposed a second portion of thecutting head. The guidewire extends through a hole in the shaft, a hole inthe cutting head, and a hole in the shield assembly hood portion, suchthat the router assembly is movable along the guidewire. The shaft isrotatable in the shield assembly body portion such that the second portionof the cutting head is engageable with the bone and operative to removeportions of the bone. The guidewire is installed in the knee so that itextends along the length to be occupied by a graft ligament. The guidewireand router assembly are flexible so that the bone-trimming operation maybe conducted dynamically as the knee is moved through a range of naturalmotions.

Inventors: Sklar; Joseph H. (Longmeadow, MA)


International Classification: A61B 17/17 (20060101); A61B 17/16 (20060101); A61B 17/22 (20060101); A61B 17/00 (20060101); A61B 017/00 ()

Expiration Date: 02/02016