Disposable surgical trocar

Description

FIG. 1 is a perspective view of a disposable surgical trocar, showing our new design, shown from below and to the left thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being substantially identical thereto;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
4177814 December 11, 1979 Knepshield et al.
4931042 June 5, 1990 Holmes et al.
5112321 May 12, 1992 Hiltebrandt
5127909 July 7, 1992 Shichman
5129885 July 14, 1992 Green et al.
5147316 September 15, 1992 Castillenti
5152754 October 6, 1992 Plyley et al.
5158545 October 27, 1992 Trudell et al.
5158552 October 27, 1992 Borgia et al.
5176697 January 5, 1993 Hasson et al.
5226891 July 13, 1993 Bushatz et al.
5290243 March 1, 1994 Cholorow et al.
5338305 August 16, 1994 Plyley et al.
Other references
  • Auto Suture Company, USSC.TM. advertisement .COPYRGT.1991. Storz Endoscopy, Nezhat-Dorsey Pump System catalog .COPYRGT.1991. Bard, Leventhal.TM. Gyne-Flo.TM. Cannula, catalog .COPYRGT.1991. WISAP/USA Trocar Product literature .COPYRGT.1991. Core Dynamics, Inc., Entrec.TM. Product literature .COPYRGT.1991. Origin Medsystems, Inc., Origin Product literature .COPYRGT.1992. United States Surgical Corp., Auto Suture Product literature .COPYRGT.1992. Ethicon, Endo-Surgury Product literature .COPYRGT.1991. Origin Medsystems, Inc. Origin.TM. Product literature .COPYRGT.1992. Auto Suture Products, Price list .COPYRGT.1992. Cabot Medical "Trocar" the first disposable Trocar .COPYRGT.1991.
Patent History
Patent number: D358209
Type: Grant
Filed: Nov 30, 1992
Date of Patent: May 9, 1995
Assignee: Marlow Surgical Technologies, Inc. (Willoughby, OH)
Inventors: Haans K. Petruschke (Kirtland, OH), Scott C. Marlow (Chesterland, OH)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Law Firm: Thompson, Hine & Flory
Application Number: 0/2,133
Classifications