Needle head for a biopsy cannula
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Description
FIG. 1 is a perspective view of a needle head for a biopsy cannula showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an end elevational view thereof; and,
FIG. 6 is an end elevational view thereof, opposite that shown in FIG. 5.
The broken line showing of the cannula in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D306070 | February 13, 1990 | Akerfeldt |
D309014 | July 3, 1990 | Akerfeldt |
2850007 | May 1956 | Lingley |
3454006 | January 1966 | Langdon |
4609370 | September 2, 1986 | Morrison |
4699154 | October 13, 1987 | Lindgren |
4721506 | January 26, 1988 | Teves |
5121751 | June 16, 1992 | Panalletta |
1175889 | November 1958 | FRX |
Patent History
Patent number: D333003
Type: Grant
Filed: Jul 31, 1990
Date of Patent: Feb 2, 1993
Assignee: DLP, Inc. (Grand Rapids, MI)
Inventor: Kenneth E. Chettleburgh (Sparta, MI)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Law Firm: Barnes, Kisselle, Raisch, Choate, Whittemore & Hulbert
Application Number: 7/560,327
Type: Grant
Filed: Jul 31, 1990
Date of Patent: Feb 2, 1993
Assignee: DLP, Inc. (Grand Rapids, MI)
Inventor: Kenneth E. Chettleburgh (Sparta, MI)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Law Firm: Barnes, Kisselle, Raisch, Choate, Whittemore & Hulbert
Application Number: 7/560,327