×

Intervertebral disc having translation

  • US 7,517,363 B2
  • Filed: 06/19/2003
  • Issued: 04/14/2009
  • Est. Priority Date: 06/27/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. An intervertebral motion disc comprising a) a prosthetic vertebral endplate comprising:

  • i) an outer surface adapted to mate with a vertebral body,ii) an inner surface having a first opening thereon,iii) a body portion connecting the inner and outer surfaces and defining a first sidewall comprising a second opening thereon, andiv) an articulation surface suitable for supporting articulation motion,wherein the first and second openings communicate to form a channel having a first open end, andb) a tab shaped for insertion into the channel, wherein the tab is disposed within the channel and comprises a body portion and deformable arms extending from the body portion,wherein each deformable arm comprises a wing extending therefrom,wherein the body portion of the endplate further comprises second and third sidewalls defining a first width and the wings define a wingspan, and wherein the wingspan exceeds the first width of the channel, andwherein each of the second and third sidewall of the endplate further comprises a socket extending therein, thereby defining opposing sockets, andwherein the wings are shaped to be received within the opposing sockets.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×