Aspiration needle, syringe for use therewith, apparatus incorpor

Details Aspiration needle, syringe for use therewith, apparatus incorpor Aspiration needle, syringe for use therewith, apparatus incorpor

1993-04-20

1994-07-19

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604272, 128763, 128770, A61M 500, A61M 531

Patent

active

053304438

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.

REFERENCES:
patent: 4391274 (1983-07-01), Kagan
patent: 4581024 (1986-04-01), Swenson
patent: 4834722 (1989-05-01), Zenz
patent: 5017191 (1991-05-01), Yamada et al.
"Technology Report: The Importance of Interior Surface Finish"; National Needle News, vol. 1, No. 2, Apr. 1993, p. 2.

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