Patent ID: 8894661

Claim:
A helicoil interference fixation system comprising: an open helicoil comprising a plurality of turns defining an internal volume communicating with a region exterior to the open helicoil through a spacing between the plurality of turns of the open helicoil, the open helicoil terminating in a proximal end and a distal end, and at least one internal strut extending along an entire length of the open helicoil between the proximal end and the distal end of the open helicoil; and an inserter for turning the open helicoil, the inserter comprising a shaft having a proximal end and a grooved distal end having at least one groove located thereon for receiving an entire length of the at least one strut, the inserter further comprising a tapered threaded portion extending distal from the grooved distal end; the open helicoil being mounted on the inserter such that the at least one strut of the open helicoil is captured by the at least one groove of the inserter, such that rotation of the inserter causes rotation of the open helicoil; wherein the open helicoil comprises a tapered interior surface, and the inserter comprises a tapered exterior surface so that when the open helicoil is mounted on the inserter, the open helicoil and the inserter form a positive seat such that the tapered interior surface of the open helicoil is in direct contact with the tapered exterior surface of the inserter.