Blood sampling syringe

Details Blood sampling syringe Blood sampling syringe

1976-06-21

1978-02-14

Howell, Kyle L.

Surgery

Truss

Perineal

128DIG5, A61B 514

Patent

active

040732886

ABSTRACT:
This blood sampling syringe consists primarily of a cylinder, which removably receives an expandable encasement, that will receive a specimen by needle means. The upper structure of this syringe includes rotatable cylinder means for creating a vacuum, which will be controlled by an adjustable control valve. The control valve enables the user to utilize as much of the vacuum needed to collect a specimen within the disposable and expandable encasement.

REFERENCES:
patent: 2102785 (1937-12-01), Brooks
patent: 2250467 (1941-07-01), Cole
patent: 2594621 (1952-04-01), Derrick
patent: 2744527 (1956-05-01), Barrett et al.
patent: 2832344 (1958-04-01), Davidson
patent: 3143109 (1964-08-01), Gewertz
patent: 3161194 (1964-12-01), Chapman

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