Replacement valve for endotracheal tube inflation cuff

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Description

FIG. 1 is a perspective view of a replacement valve for endotracheal tube inflation cuff showing my new design;

FIG. 2 is an elevational view thereof, with all other elevational views being identical to that shown;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D243412 February 15, 1977 Krueger
3388705 June 1968 Grosshandler
3720199 March 1973 Rishton
3901246 August 1975 Wallace
4018231 April 19, 1977 Wallace
4501273 February 26, 1985 McGinnis
4653539 March 31, 1987 Bell
4856510 August 15, 1989 Kowalewski
Foreign Patent Documents
971457 February 1975 CAX
810517 January 1957 GBX
Patent History
Patent number: D337157
Type: Grant
Filed: May 20, 1991
Date of Patent: Jul 6, 1993
Inventor: German L. Ortiz (Dillonvale, OH)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Attorney: Terry M. Gernstein
Application Number: 7/702,720