Retractor blade for heart valve surgery

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Description

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

FIG. 2 is a front elevational view thereof.

FIG. 3 is a right 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 closed position.

The broken line showing in FIGS. 1 through 7 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D421803 March 21, 2000 Koros et al.
5339801 August 23, 1994 Poloyko et al.
5980455 November 9, 1999 Daniel et al.
Patent History
Patent number: D430294
Type: Grant
Filed: Jun 18, 1999
Date of Patent: Aug 29, 2000
Inventors: Michael Nathanson (San Jose, CA), Tibor B. Koros (Moorpark, CA), Gabriel J. Koros (Moorpark, CA)
Primary Examiner: Ian Simmons
Attorney: David O'Reilly
Application Number: 0/106,712
Classifications
Current U.S. Class: Speculum, Dilator Or Retractor (25) (D24/135)
International Classification: 2402;