Retrograde cardioplegia stylet

- Research Medical, Inc.
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Description

FIG. 1 is a perspective view of a retrograde cardioplegia stylet showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

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

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
2541402 February 1951 Caine
4813930 March 21, 1989 Elliott
4925445 May 15, 1990 Sakamoto et al.
5013296 May 7, 1991 Beckberg et al.
5021045 June 4, 1991 Beckberg et al.
Patent History
Patent number: D335705
Type: Grant
Filed: Jun 4, 1991
Date of Patent: May 18, 1993
Assignee: Research Medical, Inc. (Salt Lake City, UT)
Inventors: Gerald D. Buckberg (Los Angeles, CA), Robert J. Todd (Salt Lake City, UT)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Law Firm: Workman, Nydegger & Jensen
Application Number: 7/713,448