Arterial blood sampling unit

Details Arterial blood sampling unit Arterial blood sampling unit

A - Human Necessities

61

M

128/83

A61M 1/00 (2006.01) A61B 5/15 (2006.01)

Patent

CA 1079597

ARTERIAL BLOOD SAMPLING UNIT Abstract of the Disclosure 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 automat- ically fill with blood without manipulation on the part of the operator. -1-

268978

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