Combined biopsy stylet and biopsy cannula

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Description

FIG. 1 is a side elevational view of a combined biopsy stylet and biopsy cannula showing our new design, the center of the needle is shown broken to indicate indeterminate length;

FIG. 2 is an enlarged side elevational view thereof, the opposite side elevational view being identical thereto. The tip of the needle is shown removed for ease of illustration;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof;

FIG. 6 is a cross-sectional view thereof, taken along the line 6--6 of FIG. 2;

FIG. 7 is a cross-sectional view thereof, taken along the line 7--7 of FIG. 2;

FIG. 8 is a cross-sectional view thereof, taken along the line 8--8 of FIG. 2; and,

FIG. 9 is a cross-sectional view thereof, taken along the line 9--9 of FIG. 2.

Referenced Cited
U.S. Patent Documents
4609370 September 2, 1986 Morrison
5106376 April 21, 1992 Mononen et al.
5249582 October 5, 1993 Taylor
5250035 October 5, 1993 Smith et al.
5316013 May 31, 1994 Striebell, II et al.
5368045 November 29, 1994 Clement et al.
5388589 February 14, 1995 Davis
Patent History
Patent number: D369858
Type: Grant
Filed: Jun 14, 1994
Date of Patent: May 14, 1996
Assignee: Medical Device Technologies, Inc. (Gainesville, FL)
Inventors: Paul A. Baker (Gainesville, FL), Thomas J. Jansen (Gainesville, FL)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Emrich & Dithmar
Application Number: 0/24,405