Disposable biopsy needle unit

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Description

FIG. 1 is a perspective view of a disposable biopsy needle unit showing my new design;

FIG. 2 is a side elevational view thereof, the other side being identical except for opposite orientation of the bevelled ends of the needle and stylet;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a back elevational view thereof.

Referenced Cited
U.S. Patent Documents
D289198 April 7, 1987 Karten
3598108 August 1971 Jamshidi et al.
3628524 December 1971 Jamshidi
4163446 August 7, 1979 Jamshidi
4258722 March 31, 1981 Sessions et al.
4262676 April 21, 1981 Jamshidi
4266555 May 12, 1981 Jamshidi
4314565 February 9, 1982 Lee
4356828 November 2, 1982 Jamshidi
4366822 January 4, 1983 Altshuler
4469109 September 4, 1984 Mehl
4487209 December 11, 1984 Mehl
4513754 April 30, 1985 Lee
4543966 October 1, 1985 Islam et al.
Patent History
Patent number: D300243
Type: Grant
Filed: Jul 21, 1986
Date of Patent: Mar 14, 1989
Assignee: Southland Instruments, Inc. (Minneapolis, MN)
Inventor: Peter F. Lee (Edina, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 6/887,878
Classifications
Current U.S. Class: D24/24