Three-way T-shaped respiratory valve with dual balloon

- Hans Rudolph, Inc.
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Description

FIG. 1 is a perspective view of a three way T-shaped respiratory valve with dual balloon showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right side elevational view of a second embodiment of the three way T-shaped respiratory valve with dual balloon, wherein the body of the valve is clear thereby showing the interior thereof, the outside of the valve being otherwise the same as the valve of FIGS. 1 through 7; and,

FIG. 9 is a front elevational view of FIG. 8.

Referenced Cited
U.S. Patent Documents
D233372 October 1974 Haustad
3643686 February 1972 Koegel
4098290 July 4, 1978 Glenn
4180066 December 25, 1979 Milliken et al.
4436090 March 13, 1984 Darling
4489721 December 25, 1984 Ozaki et al.
4493339 January 15, 1985 Porter, Jr.
Foreign Patent Documents
2162070 January 1986 GBX
Patent History
Patent number: D300272
Type: Grant
Filed: May 18, 1987
Date of Patent: Mar 14, 1989
Assignee: Hans Rudolph, Inc. (Kansas City, MO)
Inventors: Hans Rudolph (Shawnee Mission, KS), Kevin A. Rudolph (Leawood, KS)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Law Firm: Litman McMahon & Brown
Application Number: 7/25,924
Classifications
Current U.S. Class: D29/7