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D349574 Trocar
Patent Drawings:Drawing: D349574-2    Drawing: D349574-3    Drawing: D349574-4    
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(3 images)

Inventor: Metcalf, et al.
Date Issued: August 9, 1994
Application: D/000,350
Filed: October 9, 1992
Inventors: Barker; John M. (Ventura, CA)
Metcalf; Gerald L. (Burnsville, MN)
Plyley; Alan K. (Santa Barbara, CA)
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Primary Examiner: Word; A. Hugo
Assistant Examiner: Simmons; I.
Attorney Or Agent: Griswold; Gary L.Kirn; Walter N.Hohenshell; Jeffrey J.
U.S. Class: D24/146; D24/147
Field Of Search: 604/164; 604/264; 604/166; 604/168; 604/165; 604/159; D24/146; D24/147
International Class:
U.S Patent Documents: 1527291; 2001638; 2623521; 2630803; 3713447; 3774604; 3789852; 4168699; 4177814; 4190048; 4403617; 4431426; 4535773; 4601710; 4617929; 4617933; 4654030; 4747831; 4808168; 4813426; 4902280; 4906236; 4922602; 4931042; 4952207; 4955870; 5030206; 5057082; 5066288; 5104382; 5114407; 5116353; 5152754; 5158552; 5226891; 5246425; 5256149; 5290243; 5290304; 5295993
Foreign Patent Documents: 0135364; 0265193; 0479130; 0494520; 921554
Other References: "The Source of Laparoscopic Innovation", by Origin Medsystems, Inc., four (4) pages, 1992..

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

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