Cannula

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Description

FIG. 1 is a front elevation of a cannula, showing our new design, the side of the cannula opposite from that of FIG. 1 being identical with what is shown in FIG. 1;

FIG. 2 illustrates the cannula of FIG. 1 as seen from the right of FIG. 1, the cannula as viewed from the left of FIG. 1 being identical with what is shown in FIG. 2;

FIG. 3 is a top plan view of the cannula of FIG. 1; and

FIG. 4 is a bottom plan view of the cannula of FIG. 1.

Referenced Cited
U.S. Patent Documents
D32276 February 1900 Jones
D232488 August 1974 Winter et al.
D235686 July 1975 Schoenfeld et al.
3486503 December 1969 Porter et al.
3802434 April 1974 Brooks
3968797 July 13, 1976 Packer et al.
Patent History
Patent number: D250600
Type: Grant
Filed: Sep 8, 1977
Date of Patent: Dec 19, 1978
Assignee: The Purdue Frederick Company (New York, NY)
Inventors: Ernest W. Pick (Cos Cob, CT), Joseph M. Denaro (Stamford, CT), Henry R. Goerke (Norwalk, CT)
Primary Examiner: Bernard Ansher
Attorney: Harold D. Steinberg
Application Number: 5/831,597
Classifications
Current U.S. Class: D24/61; D24/99
International Classification: D2404;