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 Olsen
5055100 October 8, 1991 Fleenor
5071418 December 10, 1991 Rosenbaum
5085657 February 4, 1992 Ben-Simhon
5088997 February 18, 1992 Delahuerga et al.
5154709 October 13, 1992 Johnson
5192267 March 9, 1993 Shapira et al.
5234428 August 10, 1993 Kaufman
5242442 September 7, 1993 Hirschfield
5244462 September 14, 1993 Delahuerga et al.
5269781 December 14, 1993 Hewell, III
5318565 June 7, 1994 Kuriloff et al.
5413575 May 9, 1995 Haenggi
5431650 July 11, 1995 Cusmescu
5451222 September 19, 1995 De Maagd et al.
5460602 October 24, 1995 Shapira
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: D384148
Type: Grant
Filed: Mar 18, 1996
Date of Patent: Sep 23, 1997
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, P.A.
Application Number: 0/51,750