Posterior stabilization systems and methods

摘要

An implantable body for a posterior stabilization system includes a lateral end, a medial end, an inwardly facing surface configured to abut against a lamina when the body is implanted along a vertebra. A lateral bone outrigger extends from the inwardly facing surface and may include a bone-abutting surface along a medial portion disposed to abut against a lateral mass of the vertebra when the body is implanted along a vertebra. The lateral bone outrigger may have a first height. A penetrating feature extends from the inwardly facing surface between the bone-engaging portion of the inwardly facing surface and the lateral bone outrigger. The penetrating feature may have a second height less than the first height. A fastener bore extends through the body at an angle toward the lateral bone outrigger.

主权项

1. An implantable body for a posterior stabilization system comprising:
a lateral end, a medial end, an inwardly facing surface, and an outwardly facing surface, the inwardly facing surface having a bone-abutting portion disposed proximate the medial end and configured to abut against a lamina when the body is implanted along a vertebra; a lateral bone outrigger extending from the inwardly facing surface adjacent the lateral end, the lateral bone outrigger having a bone-abutting surface along a medial portion disposed to abut against a lateral mass of the vertebra when the body is implanted along a vertebra, the lateral bone outrigger having a first height; a penetrating feature extending from the inwardly facing surface between the bone-engaging portion of the inwardly facing surface and the lateral bone outrigger, the penetrating feature having a second height less than the first height; and a fastener bore extending through the body from the inwardly facing surface to the outwardly facing surface, the fastener bore being angled toward the lateral bone outrigger.