Trocar

Description

FIG. 1 is a perspective view of a trocar showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a front view thereof.

Claims

The ornamental design for a trocar, as shown and described.

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Inventors:	Metcalf; Gerald L. (Burnsville, MN), Plyley; Alan K. (Santa Barbara, CA), Barker; John M. (Ventura, CA)
Assignee:	Minnesota Mining and Manufacturing Company (St. Paul, MN)
Appl. No.:	D/000,350
Filed:	October 9, 1992

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Current U.S. Class:	D24/146; D24/147
Field of Search:	;604/164,264,166,168,165,159 ;D24/146,147

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References Cited [Referenced By]

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U.S. Patent Documents

1527291	February 1925	Zorraquin
2001638	May 1935	Tornsjo
2623521	December 1952	Shaw
2630803	March 1953	Baran
3713447	January 1973	Adair
3774604	November 1973	Danielsson
3789852	February 1974	Kim et al.
4168699	September 1979	Hauser
4177814	December 1979	Knepshield et al.
4190048	February 1980	Sampson
4403617	September 1983	Tretinyak
4431426	February 1984	Groshong et al.
4535773	August 1985	Yoon
4601710	July 1986	Moll
4617929	October 1986	Gill
4617933	October 1986	Hasson
4654030	March 1987	Moll et al.
4747831	May 1988	Kulli
4808168	February 1989	Warring
4813426	March 1989	Haber et al.
4902280	February 1990	Lander
4906236	March 1990	Alberts et al.
4922602	May 1990	Mehl
4931042	June 1990	Holmes et al.
4952207	August 1990	Lemieux
4955870	September 1990	Ridderheim et al.
5030206	July 1991	Lander
5057082	October 1991	Burchette, Jr.
5066288	November 1991	Deniega et al.
5104382	April 1992	Bringerhoff et al.
5114407	May 1992	Burbank
5116353	May 1992	Green
5152754	October 1992	Plyley et al.
5158552	October 1992	Borgia et al.
5226891	July 1993	Bushatz et al.
5246425	September 1993	Hunsberger et al.
5256149	October 1993	Banik et al.
5290243	March 1994	Chodorow et al.
5290304	March 1994	Storace
5295993	March 1994	Green

Foreign Patent Documents

	0135364		Mar 1985		EP
	0265193		Apr 1988		EP
	0479130		Apr 1992		EP
	0494520		Jul 1992		EP
	921554		Apr 1982		SU

Other References

"The Source of Laparoscopic Innovation", by Origin Medsystems, Inc., four (4) pages, 1992..

Primary Examiner: Word; A. Hugo
Assistant Examiner: Simmons; I.
Attorney, Agent or Firm: Griswold; Gary L. Kirn; Walter N. Hohenshell; Jeffrey J.