Double blade valvulotome

- Olympus
Description

FIG. 1 is a bottom right side perspective view of a double blade valvulotome showing my new design, the shaft is shown broken in the center to indicate indeterminate length;

FIG. 2 is a front, top and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a rear bottom right side perspective view thereof, with the blades shown in extended position; and,

FIG. 10 is a front top side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D103976 April 1937 Lermer
4177814 December 11, 1979 Knepshield et al.
5049154 September 17, 1991 Quadi
5133725 July 28, 1992 Quadi
5139506 August 18, 1992 Bush
5222973 June 29, 1993 Sharpe et al.
5258005 November 2, 1993 Christian
Patent History
Patent number: D351022
Type: Grant
Filed: Jan 27, 1993
Date of Patent: Sep 27, 1994
Assignee: Olympus Optical Co., Ltd. (Tokyo)
Inventor: Tatsuya Saito (Tokyo)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Law Firm: Armstrong, Westerman, Hattori, McLeland & Naughton
Application Number: 0/4,088
Classifications