PERCUTANEOUS EXPANDING HAMMERTOE IMPLANT

摘要

A method and device to correct hammertoes. The device includes a bone implant having a screw with a threaded end and an annular sleeve with a first threaded portion to accept the threaded end of the screw and an expanding feature along a portion of the sleeve. When the implant is implanted into a joint through a percutaneous incision and the screw is rotated about its longitudinal axis when mated with the first threaded portion of the sleeve, the expanding feature may be expanded to anchor the implant in the respective bone and/or compress the joint.

主权项

1. A bone implant comprising:
a screw with a threaded end; and an annular sleeve accepting the screw, the sleeve comprising: a first threaded portion to accept the threaded end of the screw, and an expanding feature along a portion of the sleeve, wherein the implant is implanted into a joint through a percutaneous incision, and wherein the screw is rotated about its longitudinal axis when mated with the first threaded portion of the sleeve to radially expand the expanding feature and anchor the implant in a respective bone.