Blood sampler

Details Blood sampler Blood sampler

1979-04-02

1981-05-12

Howell, Kyle L.

Surgery

Truss

Pad

128767, 734254P, A61B 514

Patent

active

042665590

ABSTRACT:
A device particularly suited for collecting and dispensing an arterial blood sample. A needle is connected to a flexible transparent tube that includes an air exit vent with a nonwet filter so air, but not blood, can exit the vent under arterial blood pressure. A special needle adapter prevents formation of air bubbles, and a baffle system in the needle minimizes blood and air mixing. A clamp on the reservoir pinches off an air contaminated blood segment and can longitudinally strip a different blood segment which is not air contaminated. The tubular reservoir has an oxygen blocking coating, and its internal surface includes a dry anticoagulant coating.

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Scott, et al, Brit. Med. Journ., 28 Aug. 1971, vol. 3, pp. 512-516.
Hansen, et al, Amer. Review of Resp. Disease, vol. 115, 1977, pp. 1061-1063.
Hamilton, et al, Anesthesia & Intensive Care, vol. VI, No. 3, Aug. 1978, pp. 251-255.

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