Breathing tube for conveying oxygen or anesthesia gas to lungs and conveying exhaled gas away from lungs of patient

- Vital Signs Inc.
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Description

FIG. 1 is a top plan view of a breathing tube for conveying oxygen or anesthesia gas to lungs and conveying exhaled gas away from lungs of patient, showing our new design, the bottom plan view being identical;

FIG. 2 is a side elevational view thereof, with all other sides being identical to that shown;

FIG. 3 is an end elevational view thereof, the opposite end elevational view being identical;

FIG. 4 is an end elevational view of a second embodiment of FIG. 1, with all sides being identical to that shown in FIGS. 1 and 2;

FIG. 5 is an end elevational view of a third embodiment of FIG. 1, with all sides being identical to that shown in FIGS. 1 and 2; and,

FIG. 6 is an end elevational view of a fourth embodiment of FIG. 2, with all sides being identical to that shown in FIGS. 1 and 2.

FIG. 1 and 2 have been fragmentarily shown for ease of illustration.

Referenced Cited
U.S. Patent Documents
4463755 August 7, 1984 Suzuki
4637384 January 20, 1987 Schroeder
5109838 May 5, 1992 Elam
5121746 June 16, 1992 Sikora
5623922 April 29, 1997 Smith
5735266 April 7, 1998 Smith
Patent History
Patent number: D424687
Type: Grant
Filed: Apr 18, 1997
Date of Patent: May 9, 2000
Assignee: Vital Signs Inc. (Totowa, NJ)
Inventors: Richard Hoenig (Weare, NH), Alan Furler (Sparta, NJ)
Primary Examiner: Stella Reid
Attorney: R. Gale Rhodes, Jr.
Application Number: 0/69,748
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)
International Classification: 2401;