Patent ID: 9603718
Date: 2017-03-28
CPC Classifications: A61B,A61F

Claim:
1. A system for spinal fusion, comprising: a spacer including a first coupling aperture generally centered on the spacer, the first coupling aperture traversing from a proximal surface to a distal surface of the spacer a predetermined depth, the first coupling aperture having a first thread with a thread pitch that is greater than or equal to one third of the predetermined depth of the first coupling aperture, wherein the first thread is a long lead trapezoidal form thread, the long lead trapezoidal form thread tapering in width from a proximal end to a distal end of screw, which allows the screw to be fully inserted to secure the end plate to the spacer with less than a full turn; a plate including a first attachment aperture for receiving a fixation screw and a second coupling aperture configured to align with the first coupling aperture of the spacer when the plate is attached thereto; a screw including a mating thread that mates with the first thread, the screw configured to couple the spacer and the plate when inserted through the second coupling aperture and rotated to engage the first thread of the first coupling aperture; and a first temporary fixation screw configured to attach the plate to a first vertebra when inserted through the first attachment aperture and driven into the first vertebra.