Two-chamber injector

- Astra Meditec AB
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Description

FIG. 1 is a top perspective view of a two-chamber injector, showing our new design;

FIG. 2 is a bottom perspective view thereof; and

FIG. 3 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D304616 November 14, 1989 Dunlap et al.
3636950 January 1972 Gomez et al.
3688765 September 1972 Gasaway
3946732 March 30, 1976 Hurseham
Patent History
Patent number: D316899
Type: Grant
Filed: Feb 18, 1988
Date of Patent: May 14, 1991
Assignee: Astra Meditec AB (Molndal)
Inventors: Ake B. Andersson (Onsala), Kjell I. Wellenstam (Gothenburg)
Primary Examiner: Stella Reid
Law Firm: White & Case
Application Number: 7/158,988
Classifications
Current U.S. Class: D24/24