Low flow nasal cannula

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Description

FIG. 1 is a left side, front and top perspective view of a low flow nasal cannula showing my new design, portions of the tube shown broken away to indicate indeterminate length;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side view being a mirror image of that shown;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a left side, front and top perspective view of a second embodiment of the low flow nasal cannula.

Referenced Cited
U.S. Patent Documents
4106505 August 15, 1978 Salter et al.
4648398 March 10, 1987 Agdanowski et al.
4685456 August 11, 1987 Smart
4774946 October 4, 1988 Ackerman et al.
4818320 April 4, 1989 Wetchselbaum
Patent History
Patent number: D309960
Type: Grant
Filed: Jul 17, 1987
Date of Patent: Aug 14, 1990
Inventor: Gregory R. Applebaugh (Reno, NV)
Primary Examiner: Kay H. Chin
Law Firm: Lothrop & West
Application Number: 7/75,028
Classifications
Current U.S. Class: D29/7; D24/17