Arterial blood sampling unit

Details Arterial blood sampling unit Arterial blood sampling unit

1976-02-02

1977-08-16

Yasko, John D.

Surgery

Truss

Perineal

128DIG5, A61B 514

Patent

active

040419347

ABSTRACT:
An arterial blood sampling unit which is preassembled in a unitary device and which contains a sealing and stopper piercing element which is movable in a barrel member under the influence of arterial blood pressure so as to permit blood to be automatically collected in the syringe barrel. Preferably the unit is preloaded with an anticoagulant material so that upon the depression of a plunger member, the blood collecting chamber and the needle will be pretreated with an anticoagulant. After discarding the excess anticoagulant and upon injection of a hypodermic needle into an artery, the vial will automatically fill with blood without manipulation on the part of the operator.

REFERENCES:
patent: 3304934 (1967-02-01), Bautista
patent: 3378008 (1968-04-01), Ogle
patent: 3645252 (1972-02-01), Gilford
patent: 3753432 (1973-08-01), Guerra
patent: 3886930 (1975-06-01), Ryan
patent: 3890956 (1975-06-01), Moorehead
patent: 3930492 (1976-01-01), Hatsuno et al.

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