Asymmetric single portal cannula

- American Cyanamid Company
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Description

FIG. 1 is a right side elevational view thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2691370 October 1954 Wallace
3858577 January 1975 Bass et al.
4369768 January 25, 1983 Vukovic
4461280 July 24, 1984 Baumgartner
4535773 August 20, 1985 Yoon
4573448 March 4, 1986 Kambin
5021044 June 4, 1991 Sharkawag
5106376 April 21, 1992 Mononen et al.
5167220 December 1, 1992 Brown
5383876 January 24, 1995 Nardella
Foreign Patent Documents
4201337 July 1993 DEX
Other references
  • The Weck-Baggish Hysteroscopy System, Weck, A Squibb Company.
Patent History
Patent number: D367324
Type: Grant
Filed: Aug 12, 1994
Date of Patent: Feb 20, 1996
Assignee: American Cyanamid Company (Wayne, NJ)
Inventors: Gary R. McCarthy (East Bridgewater, MA), Jose E. Lizardi (Medfield, MA), Gerard S. Carlozzi (Weymouth, MA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Application Number: 0/81,294