[54] ASPIRATION NEEDLE AND SYRINGE FOR USE THEREWITH, APPARATUS INCORPORATING THE SAME AND KIT FOR USE JN FINE NEEDLE ASPIRATION CYTOLOGY, AND METHOD
[75] Inventors: Trevor J. Powles, Chipstead Surrey, United Kingdom; Mir A. Imran, Palo Alto, Calif.
[73] Assignee: Advanced Cytometrix, Inc.,
Sunnyvale, Calif.
[21] Appl. No.: 228,551
[22] Filed: Apr. 15,1994
Related U.S. Application Data
[63] Continuation-in-part of Ser. No. 49,998, Apr. 20,1993, Pat No. 5,330,443.
[51] Int CI.6 A61M 5/00; A61M 5/31
[52] U.S. CI 604/240; 604/35; 604/272;
128/752
[58] Field of Search 604/140, 141,
604/149, 151, 156, 28, 35, 240, 272. 119;
128/749, 752-755, 763
[56] References Cited
U.S. PATENT DOCUMENTS
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4,391,274 7/1983 Kagan 604/190
4,401,124 8/1983 Guess et al. .
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4,838,281 6/1989 Rogers et al 128/752
4,989,614 2/1991 Dejter, Jr. et al 128/752
5,017,919 5/1991 Yamada et al 604/243
5,018,530 5/1991 Rank et al 128/749
5,045,053 9/1991 Kothe 604/21
5,217,438 6/1993 Davis et al 604/198
5,254,085 10/1993 Cleveland, Jr. 604/35
5,282,476 2/1994 Terwilliger 128/753
5,318,014 6/1994 Carter 601/2
5,330,443 7/1994 Powles et al 604/240
5,492,130 2/1996 Chiou 128/753
FOREIGN PATENT DOCUMENTS
2632190 12/1989 France 604/110
0706150 3/1954 United Kingdom.
2018231 2/1982 United Kingdom.
OTHER PUBLICATIONS
INRAD OmniKit package insert for "Quad Pass General Site Aspiration Biopsy Kit" Copyright 1991, DLP, Inc.
Primary Examiner—Corrine M. McDermott
Assistant Examiner—V. Alexander
Attorney, Agent, or Firm—Flehr, Hohbch, Test, Albritton &
Herbert
[57] ABSTRACT
An aspiration needle for use with a syringe for fine needle aspiration cytology comprising a rigid elongate tubular member having distal and proximal extremities. The distal extremity is formed to provide a sharp point. The tubular member has a bore extending therethrough from the distal extremity to the proximal extremity. A body is secured to the proximal extremity of the tubular member and forms a chamber therein in communication with the bore of the tubular member. The chamber is formed by a sloping uninterrupted side wall leading to the bore of the tubular member. The body includes a fitting for receiving the syringe and for establishing communication between the syringe and the chamber.
4 Claims, 4 Drawing Sheets
