Combined venting valve and coupling for medical drainage tubes

- Hollister Incorporated
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Description

FIG. 1 is a front elevational view of a combined venting valve and coupling for medical drainage tubes, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, the opposite being identical thereto;

FIG. 5 is a perspective view thereof; and

FIG. 6 is an enlarged fragmentary perspective view showing details of the vent portion.

Referenced Cited
U.S. Patent Documents
3529599 September 1970 Folkman et al.
3830241 August 1974 Dye et al.
4160383 July 10, 1979 Rauschenberger
4328828 May 11, 1982 Cianci
4583983 April 22, 1986 Einhorn et al.
Patent History
Patent number: D300361
Type: Grant
Filed: Aug 4, 1986
Date of Patent: Mar 21, 1989
Assignee: Hollister Incorporated (Libertyville, IL)
Inventor: Joseph S. Tokarz (Palatine, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Tilton, Fallon, Lungmus
Application Number: 6/892,797
Classifications
Current U.S. Class: D24/53