IP Library Granted Patent US 8,945,221
Granted Patent B2
US 8,945,221 · App. 12/329,086 · Granted Feb 3, 2015

Anterior lumbar interbody graft

Inventor: Pat Barrett (Jackson, MS)
A61F2/4465A61F2/28A61F2/4611A61F2002/30062A61F2002/302A61F2002/30772A61F2002/3082A61F2002/3083A61F2210/0004A61F2230/0065A61F2310/00017A61F2310/00023A61F2310/00359
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Quick Facts
Patent No.
US 8,945,221
App. No.
12/329,086
Granted
Feb 3, 2015
Kind
B2
Abstract

An anterior lumbar interbody graft includes a wedge-shaped body including a hole and recesses formed in the top and bottom surfaces, radiating away from the hole.

Claims (3)

1. An anterior lumbar interbody graft comprising: a cylindrical, wedge-shaped, single-piece, unitary graft body having a top surface, a bottom surface, side surfaces extending between the top and bottom surfaces, first and second thicknesses of the graft body between the top and bottom surfaces at respective, opposite side surfaces of the graft body, the second thickness being less than the first thickness; a hole through the graft body between the top and bottom surfaces, the hole having a diameter; and two recesses formed in both the top surface and in the bottom surface, the two top surface recesses extending in opposite directions from the hole to corresponding opposite side surfaces of the side surfaces extending between the top and bottom surfaces, and the two bottom surface recesses extending in opposite directions from the hole to corresponding opposite side surfaces of the side surfaces extending between the top and bottom surfaces; wherein each recess of the two top surface recesses and the two bottom surface recesses comprises a first width adjacent to the hole having the same size as the hole diameter, and a second width at the corresponding side surface remote from the hole being larger than the first width.

2. The anterior lumbar interbody graft according to claim 1 , further comprising:

teeth formed in at least one of the top surface and the bottom surface, configured and arranged to assist fixing the body in place when inserted between two vertebral bodies.

Assignments (3)
ASSIGNMENT OF INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded May 29, 2018
From: MC ADMIN CO LLC
To: LOAN ADMIN CO LLC
Reel/Frame 047055/0686 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Jan 22, 2015
From: PRECISION SPINE, INC.; SPINAL USA, INC.; PRECISION MEDICAL, INC.
To: MC ADMIN CO LLC
Reel/Frame 034804/0675 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 19, 2010
From: BARRETT, PAT
To: SPINAL U.S.A.
Reel/Frame 024406/0448 →
Continuity (2)
Provisional Application 60992428 · Dec 5, 2007
Related Publication 20090210058A1 · Aug 20, 2009