Retractor for heart valve surgery

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Description

FIG. 1 is a front isometric view of a retractor for heart valve surgery showing our new design, with the blades in an open position.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front isometric view thereof, with the blades in closed position.

Claims

The ornamental design for a retractor for heart valve surgery, substantially as shown and described.

Referenced Cited
U.S. Patent Documents
D422705 April 11, 2000 Koros et al.
D430294 August 29, 2000 Nathanson et al.
D443359 June 5, 2001 Nathanson et al.
2374863 May 1945 Guttmann
5339801 August 23, 1994 Poloyko et al.
6074343 June 13, 2000 Nathanson et al.
Patent History
Patent number: D448081
Type: Grant
Filed: May 4, 2001
Date of Patent: Sep 18, 2001
Inventors: Tibor B. Koros (Moorpark, CA), Gabriel J. Koros (Moorpark, CA)
Primary Examiner: Ian Simmons
Application Number: 29/141,326
Classifications
Current U.S. Class: Speculum, Dilator Or Retractor (25) (D24/135)
International Classification: 2402;