Patent ID: 9532815
Date: 2017-01-03
CPC Classifications: A61B,Y10T

Claim:
1. A spinal rod implantation tool assembly comprising: a) an elongate guide tool having an upper end and a lower end configured for releaseable attachment to a spinal implant bone anchor and having a central axis; said tool including an elongate central bore relative to the central axis and a radially outwardly opening rod-receiving channel extending along a length of the tool; said channel being adapted to receive a rod implant within the channel such that the rod implant extends generally radially relative to the central axis and so as to guide the rod implant along at least a portion of the channel; b) a driver having a fastener, a stem, and a lower spinal implant engagement structure, the fastener cooperating to releaseably hold the driver to the guide tool, the stem being removably receivable in the guide tool central bore during installation of the bone anchor, and the spinal implant engagement structure configured for operable engagement with the bone anchor to attach the bone anchor to a bone and thereafter be removed from the guide tool, so as to make the guide tool channel ready to receive the rod; wherein the fastener is a nut coaxial and freely rotatable with respect to the stem, the nut having an inner guide and advancement structure, the guide tool upper end having an outer guide and advancement structure mateable with the inner guide and advancement structure.