Intervertebral implants and related systems and methods

Abstract

Disclosed are intervertebral devices for insertion between and/or adjacent to vertebrae of a patient, incorporating apertures for fastening devices which include fastener locking and/or retaining elements.

1 . An intervertebral device, comprising:
 a body configured for insertion between adjacent vertebrae of a patient, the body including a wall having a first surface, a second surface, and a thickness extending between the first and second surfaces, wherein the wall includes a through aperture extending between a first opening on the first surface and a second opening on the second surface, the through aperture configured to receive a fastening element;   a recess disposed in a side wall of the aperture and extending into the thickness of the body in a direction substantially transverse to an axis of the aperture; and   at least one offsetting element positioned adjacent the through aperture, wherein the at least one offsetting element is configured to apply a force to the fastening element.   
     
     
         2 . The device of  claim 1 , wherein application of a force on the fastening element by the at least one offsetting element is configured to laterally urge the fastening element relative to the recess.