Patent ID: 6699251
Filing Date: 2004-03-02
Classification: A61B

Abstract:
A bone screw for use with external fixation devices in the reduction of bone fractures comprising a screw body having a substantially cylindrical shank (2) with a longitudinal axis (X-X), a head (3) formed at a free end (4) of said shank (2) and having substantially the same thickness as the shank (2), and a single threaded portion (5) terminating with a tip (6) at an end opposite said free end (4) and having a diameter no greater than the diameter of said shank (2); said head (3) including a first flat (7) extending parallel to said longitudinal axis (X-X) from said free end (4); a second flat (8) in said screw body aligned with said first flat (7) at a predetermined spacing therefrom; and an annular non-threaded spacer portion extending between said flats (7,8) having a longitudinal length sized to receive the fixation device and for enabling said screw body to be cut off at a location within said spacer portion for reducing the overall longitudinal length of the screw body.