Fine needle cytology aspiration device

Details Fine needle cytology aspiration device Fine needle cytology aspiration device

1994-12-29

1997-08-12

Hindenburg, Max

Surgery

Truss

Pad

604197, A61B 1000

Patent

active

056555415

ABSTRACT:
The present invention is a fine needle cytology aspiration device having a sliding valve which allows the vacuum in the needle to be released and also the sample to be withdrawn without contamination while allowing the surgeon to use only one hand for carrying out these operations. Further, a protective sheath is described which reduces the risk of needle-stick injuries.

REFERENCES:
patent: 3774604 (1973-11-01), Danielsson
patent: 3834372 (1974-09-01), Turney
patent: 4543094 (1985-09-01), Barnwell
patent: 4549554 (1985-10-01), Markham
patent: 4619272 (1986-10-01), Zambelli
patent: 4857061 (1989-08-01), Miller
patent: 4967762 (1990-11-01), DeVries
patent: 4972843 (1990-11-01), Broden
patent: 5097842 (1992-03-01), Bonn
patent: 5104381 (1992-04-01), Gresl et al.
patent: 5127904 (1992-07-01), Loo et al.

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