Manometer for measuring intrathoracic pressure of an infant

Description

FIG. 1 is a perspective view of a manometer for measuring intrathoracic pressure of an infant embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4312361 January 26, 1982 Nicholson et al.
4335729 June 22, 1982 Reynolds et al.
4398542 August 16, 1983 Cunningham et al.
4784151 November 15, 1988 Frank
4790193 December 13, 1988 Moriuchi
4793362 December 27, 1988 Tedner
4809710 March 7, 1989 Williamson
4966161 October 30, 1990 Wallace et al.
Foreign Patent Documents
976919 July 1948 FRX
7707275 April 1979 NLX
Patent History
Patent number: D333519
Type: Grant
Filed: Dec 10, 1990
Date of Patent: Feb 23, 1993
Inventor: Todd Scheer (Orlando, FL)
Primary Examiner: Stella Reid
Attorney: Terry M. Gernstein
Application Number: 7/624,675