An instrument for insertion, implanting, and removing a cylindrical intervertebral spacer member having a deep circumferential groove, including: a shaft having a proximal end and a distal end, said proximal end forming a handle and the distal end forming a spacer member engaging subassembly; said spacer...http://www.google.fr/patents/US6976988?utm_source=gb-gplus-shareBrevet US6976988 - Insertion tool for use with tapered trial intervertebral distraction spacers
Insertion tool for use with tapered trial intervertebral distraction spacers
