Bone anchor

- American Cyanamid Company
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Description

FIG. 1 is a perspective view of a bone anchor, showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being a mirror image thereto;

FIG. 3 is a front elevational view thereof, the opposite side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4898156 February 6, 1990 Gatturna et al.
4899743 February 13, 1990 Nicholson et al.
5037422 August 6, 1991 Hayhurst et al.
5064426 November 12, 1991 Br.ang.nemark et al.
Patent History
Patent number: D331626
Type: Grant
Filed: Jul 13, 1990
Date of Patent: Dec 8, 1992
Assignee: American Cyanamid Company (Stamford, CT)
Inventors: John O. Hayhurst (Milwaukie, OR), Alan A. Small (Needham, MA), Jeffrey C. Cerier (Franklin, MA)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Attorney: Douglas E. Denninger
Application Number: 7/552,598