Anchoring device for a spinal implant, spinal implant and implantation instrumentation

Abstract

Anchoring devices for rachidian implants, implants, surgical instruments, and surgical systems and methods are disclosed. In some embodiments, an anchor comprises a stiff plate with a longitudinal axis, configured for penetration of its anterior end into a vertebral surface while its posterior end remains engaged with the implant. An implant may include a locking mechanism for the anchor. An anchor may include an abutment configured to abut a complementary abutment of an implant. In some configurations, inserting an anchor in a passage of an implant may displace a locking mechanism, which may resile and lock the anchor in the implant with complementary abutments of the anchor and implant abutting.

1 . A combination for treating a spine, the combination comprising:
 an anchor comprising
 an anterior end configured for penetration of a vertebral surface, 
 a posterior end configured for impacting the anchor into a vertebra, 
 a longitudinal axis extending between the anterior end and the posterior end, and 
 a lock abutment surface disposed proximal to the posterior end; and 
   a spinal implant comprising
 an access surface configured to be accessible with the implant implanted in a spine, 
 a vertebral contact surface, 
 an anchor passage extending from the access surface to the vertebral contact surface defining an insertion axis for the anchor, and 
 a conduit extending into the spinal implant from a point in the anchor passage proximal to the access surface; and 
   a lock comprising a body, a retainer disposed at one end of the body, and an anchor abutment surface disposed at another end of the body, the lock having an installed configuration in which the retainer is disposed in the conduit and the anchor abutment surface extends into the anchor passage.