Patella trap retractor for knee arthroplasty

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Description

FIG. 1 is a left front perspective view of a patella trap retractor for knee arthroplasty.

FIG. 2 is a front elevation view thereof. A rear elevation view is identical with the front elevation view.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view.

Claims

The ornamental design for a patella trap retractor for knee arthroplasty, as shown and described.

Referenced Cited
U.S. Patent Documents
D214475 June 1969 Forster
3651800 March 1972 Wilbanks
4686972 August 18, 1987 Kurland
5308349 May 3, 1994 Mikhail
D522140 May 30, 2006 Stalcup et al.
D523142 June 13, 2006 Stalcup et al.
20050228233 October 13, 2005 Ritland
Patent History
Patent number: D549331
Type: Grant
Filed: Nov 14, 2006
Date of Patent: Aug 21, 2007
Assignee: Senko Medical Instrument Mfg., Co. (Tokyo)
Inventors: Taisuke Tomatsu (Tokyo), Daisuke Sato (Tokyo)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Wood, Herron & Evans, L.L.P.
Application Number: 29/250,418