Smoke evacuator for an electrocautery scalpel

- Donaldson Company, Inc.
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Description

FIG. 1 is a perspective view of a smoke evacuator for an electrocautery scalpel showing my new design, the broken line showing of the electrocautery scalpel is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side view thereof, the opposite side of that shown being a mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a back view thereof.

Referenced Cited
U.S. Patent Documents
D330253 October 13, 1992 Burek
4719914 January 19, 1988 Johnson
4919129 April 24, 1990 Weber, Jr. et al.
4960419 October 2, 1990 Rosenberg
5055100 October 8, 1991 Olsen
5061268 October 29, 1991 Fleenor
5071418 December 10, 1991 Rosenbaum
5085657 February 4, 1992 Ben-Simhon
5088997 February 18, 1992 Delahuerya et al.
5154709 October 13, 1992 Johnson
5192267 March 9, 1993 Shapira et al.
5234428 August 10, 1993 Kaufman
5242442 September 7, 1993 Hirschfield
5269781 December 14, 1993 Hewell, III
5318565 June 7, 1994 Kuriloff et al.
5413575 May 9, 1995 Haenggi
Other references
  • J. S. Calder et al., Annals of the Royal College of Surgeons of England, "Smoke Evacuation During Surgery," pp. 854-855 (1992) vol. 74,370.
Patent History
Patent number: D373190
Type: Grant
Filed: Oct 6, 1994
Date of Patent: Aug 27, 1996
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventor: Donald R. Monson (West St. Paul, MN)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 0/29,445