Drip chamber spike

Description

FIG. 1 is a perspective view of a drip chamber spike in accordance with the new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view thereof, as seen upon rotating the view of FIG. 2 45.degree. about its longitudinal axis;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a top plan view of an alternative embodiment of my new design, illustrating modified openings at the top of the drip chamber spike;

FIG. 7 is a fragmentary side elevational view taken from the left side of FIG. 6;

FIG. 8 is a fragmentary side elevational view taken from the top of FIG. 6;

FIG. 9 is a fragmentary side elevated view taken from the bottom of FIG. 6; and

FIG. 10 is a side elevational view of a second alternative embodiment of my design, illustrating a modified fin structure.

Referenced Cited
U.S. Patent Documents
D228969 October 1973 Burke et al.
D229518 December 1973 Bujan
D257886 January 13, 1981 Kersten
2746455 May 1956 Abel
3868965 March 1975 Noiles et al.
3938520 February 17, 1976 Scislowciz
4037597 July 26, 1977 Forberg
4055176 October 25, 1977 Lundquist
Foreign Patent Documents
1399868 July 1975 GBX
Patent History
Patent number: D272850
Type: Grant
Filed: Aug 3, 1981
Date of Patent: Feb 28, 1984
Assignee: Baxter Travenol Laboratories, Inc. (Deerfield, IL)
Inventor: Lee K. Kulle (Mundelein, IL)
Primary Examiner: Bernard Ansher
Attorneys: Paul C. Flattery, John P. Kirby, Jr., Bradford R. L. Price
Application Number: 6/289,684
Classifications
Current U.S. Class: D24/24; D24/25; D/9437; D/267,270
International Classification: D2404; D2402;