Patent ID: 9730737
Date: 2017-08-15
CPC Classifications: A61B

Claim:
1. A facet fixation system comprising: an anchor having a first end, a second end, and a main body having a length, said main body being hollow along at least a portion of said length and having a slotted aperture along said length, said slotted aperture positioned between said first end and said second end, a set screw having threads for moving a polyaxial capture cup formed in said set screw along the length of said slotted aperture; a facet screw having a polyaxial shaped first end constructed and arranged for securement in said slotted aperture by said set screw and a second end having a floating washer defined by an inner surface and an outer surface, said inner surface forming a pocket to receive a threaded retention nut allowing angular engagement of said floating washer to said facet screw, said outer surface including anchoring teeth for frictional securement to bone, said facet screw is cannulated for receipt of a guide wire wherein said facet screw is slidably positioned along a length of said guide wire for placement with said anchor; wherein said anchor is configured to be mounted to vertebrae bone and said facet screw is configured to be placed in adjacent vertebrae bone to capture a flexible wedge shaped facet spacer therebetween.