A plurality of differently configured bone spinal implants for insertion in a spine have a cylindrical bore for receiving an insertion head stud. A plurality of instruments are disclosed each of which have a first connection element which is either a male or female member such as e.g., a ball and socket,...http://www.google.com/patents/US7988699?utm_source=gb-gplus-sharePatent US7988699 - Adjustable instrumentation for spinal implant insertion
Adjustable instrumentation for spinal implant insertion
