Patent ID: 7037309
Filing Date: 2006-05-02
Classification: A61B

Abstract:
1. Self-tapping screw for small-bone surgery, particularly of the Barouk screw type, comprising: a threaded proximal head ( a threaded distal shank ( the pitch of the screw thread on the proximal head being shorter than the pitch of the screw thread of the distal shank; and an internal passage ( the distal shank ( the distal end of the distal shank having milled portions forming angularly equidistant self-tapping faces ( apart from the milled portions, at least two milled portions forming angularly equidistant faces ( at least two self-boring cutting edges ( the distal end of the screw thread of the head having first milled portions forming angularly equidistant self-tapping faces ( aside the first milled portions, second milled portions forming angularly equidistant chamfered faces ( a short groove (