Interbody spinal implant

Description

FIG. 1 is a perspective view of the an interbody threaded spinal implant showing my new design;

FIG. 2 is a left side elevational view of the design of FIG. 1, with the right side being a mirror image thereof;

FIG. 3 is a front side elevational view of the design of FIG. 1, with the rear side being a mirror image thereof;

FIG. 4 is a cross sectional view along lines 4--4 of the design of FIG. 3;

FIG. 5 is a cross sectional view along lines 5--5 of the design of FIG. 3;

FIG. 6 is a top plan view of the design of FIG. 1;

FIG. 7 is a bottom plan view of the design of FIG. 1;

FIG. 8 is a perspective view of a first alternative embodiment of the design of FIG. 1;

FIG. 9 is a left side elevational view of the design of FIG. 8, with the right side being a mirror image thereof;

FIG. 10 is a front side elevational view of the design of FIG. 8, with the rear side being a mirror image thereof;

FIG. 11 is a cross sectional view along lines 11--11 of the design of FIG. 9;

FIG. 12 is a top plan view of the design of FIG. 8;

FIG. 13 is a bottom plan view of the design of FIG. 8;

FIG. 14 is a perspective view of a second alternative embodiment of the design of FIG. 1;

FIG. 15 is a left side elevational view of the design of FIG. 14, with the right side being a mirror image thereof;

FIG. 16 is a front side elevational view of design of FIG. 14 with the rear side being a mirror image thereof;

FIG. 17 is a cross sectional view along lines 17--7 of the design of FIG. 16;

FIG. 18 is a cross sectional view along lines 18--18 of the design of FIG. 16;

FIG. 19 is a top plan view of the design of FIG. 14;

FIG. 20 is a bottom plan view of the design of FIG. 14;

FIG. 21 is a perspective view of a fourth alternative embodiment of the design of FIG. 1;

FIG. 22 is a left side elevational view of the design of FIG. 21, with the right side being a mirror image thereof;

FIG. 23 is a top plan view of the design of FIG. 21;

FIG. 24 is a bottom plan view of the design of FIG. 21;

FIG. 25 is a front side elevational view of the design of FIG. 21 with the rear side being a mirror image thereof; and,

FIG. 26 is a cross sectional view along lines 26--26 of the design of FIG. 25.

Referenced Cited
U.S. Patent Documents
4501269 February 26, 1985 Bagby
5015247 May 14, 1991 Michelson
5246458 September 21, 1993 Graham
5397364 March 14, 1995 Kozak et al.
5458638 October 17, 1995 Kushlich et al.
Patent History
Patent number: D377096
Type: Grant
Filed: Jun 3, 1994
Date of Patent: Dec 31, 1996
Assignee: Sofamor Danek Properties, Inc. (Memphis, TN)
Inventor: Gary K. Michelson (Venice, CA)
Primary Examiner: Stella Reid
Law Firm: Woodard, Emhardt, Naughton Moriarty & McNett
Application Number: 0/23,926
Classifications
Current U.S. Class: Prosthesis Or Implant (D24/155)