Method for obtaining tissue and cells by fine needle aspiration

Details Method for obtaining tissue and cells by fine needle aspiration Method for obtaining tissue and cells by fine needle aspiration

1986-06-04

1987-10-06

Coven, Edward M.

Surgery

Truss

Pad

A61B 1000

Patent

active

046976000

ABSTRACT:
The method involves obtaining tissue and cells for biopsy by fine needle aspiration comprising the steps of: (a) inserting one end of a fine, hollow needle into an area of body tissue; (b) inserting the protruding end of the fine, hollow needle into an evacuated container with a pre-established vacuum; (c) continuously suctioning tissue and cell samples through the fine, hollow needle into the container; (d) withdrawing the fine, hollow needle from the body tissue; and (e) preserving the tissue and cell samples in the container. A tissue needle aspiration biopsy kit is also disclosed having component parts capable of being assembled to provide means for aspiration biopsy of soft body tissue and cells, kit comprising a combination of (a) at least one fine, hollow needle having one end adapted for insertion into a vacuum container and the other end adapted for introduction into an area of the body; (b) at least one evacuated container adapted to be affixed to the hollow needle with a pre-established vacuum sufficient so as to cause a suction of the tissue and cells through the fine, hollow needle into the container; and (c) a physiological solution to preserve the tissue and cell samples collected in the container.

REFERENCES:
patent: 2822808 (1958-02-01), Boone
patent: 3200813 (1965-08-01), Christalois
patent: 4112925 (1978-09-01), Sullivan
patent: 4249541 (1981-02-01), Pratt
patent: 4436098 (1984-03-01), Kaufman
patent: 4441951 (1984-04-01), Christinger

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