Pressure responsive chamber for monitoring pressure in an infusion set

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Description

FIG. 1 is a perspective view of a pressure responsive chamber for monitoring pressure in an infusion set, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a cross-sectional view thereof, taken on line VI--VI of FIG. 2;

FIG. 7 is a cross-sectional view thereof, taken on line VII--VII of FIG. 2;

FIG. 8 is a cross-sectional view thereof, taken on line VIII--VIII of FIG. 2; and

FIG. 9 is a cross-sectional view thereof, taken on line IX--IX of FIG. 2.

Referenced Cited
U.S. Patent Documents
D199488 November 1964 Beall
D283442 April 15, 1986 Richmond
4184491 January 22, 1980 McGannon
4277227 July 7, 1981 Jenkins
Patent History
Patent number: D299538
Type: Grant
Filed: Oct 29, 1985
Date of Patent: Jan 24, 1989
Assignee: Vi-Tal Hospital Products, Ltd. (Reading)
Inventors: Alan S. Balding (Abington), Nigel F. Carter (Grove, Wantage), Paul F. Frampton (Virginia Water), Vincent A. Rosso (Didcot)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Jeffers, Hoffman & Niewyk
Application Number: 6/792,366
Classifications
Current U.S. Class: D24/53; D24/51