Locking cannula

- Baxter International Inc.
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Description

FIG. 1 is a bottom perspective view of a locking cannula showing our new design;

FIG. 2 is a left side elevational view, the right side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view, the rear elevational view being a mirror image thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D239020 March 1976 Manschot et al.
D262863 February 2, 1982 Barnsdale
D264133 April 27, 1982 Genese
D298605 November 22, 1988 Golgan et al.
D302729 August 8, 1989 Stephens et al.
D303710 September 26, 1989 Neill
D321251 October 29, 1991 Jepson et al.
3729031 April 1973 Baldwin
4296949 October 27, 1981 Muehcrties et al.
4326519 April 27, 1982 D'Alo et al.
4360024 November 23, 1982 Wallace
4601703 July 22, 1986 Herlitze
4682714 July 28, 1987 Wood
4752291 June 21, 1988 Magrath
5053015 October 1, 1991 Gross
Patent History
Patent number: D327318
Type: Grant
Filed: Oct 10, 1989
Date of Patent: Jun 23, 1992
Assignee: Baxter International Inc. (Deerfield, IL)
Inventors: Thomas E. Dudar (Palatine, IL), Michael J. Finley (Park City, IL), Peter L. Graham (Gurnee, IL)
Primary Examiner: A. Hugo Word
Assistant Examiner: M. N. Pandozzi
Attorneys: Paul C. Flattery, Amy L. H. Rockwell, Paul E. Schaafsma
Application Number: 7/419,851