A surgical screwdriver for inserting bone screws in bone tunnels in ligament reconstruction has, in a preferred embodiment, a flexible cannulated operating shaft. The shaft is formed by concentric coils including at least one clockwise helical coil and at least one counterclockwise helical coil. The...http://www.google.fr/patents/US5464407?utm_source=gb-gplus-shareBrevet US5464407 - Flexible surgical screwdriver and methods of arthroscopic ligament reconstruction
Flexible surgical screwdriver and methods of arthroscopic ligament ...