Blood gas sampler

Details Blood gas sampler Blood gas sampler

1978-09-28

1980-07-15

Howell, Kyle L.

Surgery

Truss

Pad

128765, 128218P, 128218PA, A61B 514

Patent

active

042123097

ABSTRACT:
A blood-gas sampler in the nature of a syringe comprising a hollow internally stepped cylindrical barrel and a coaxial stepped plunger having one or more nesting stepped seals at the leading end thereof, the assembly accommodating arterial blood aspiration causing retraction of the plunger within the barrel and discharge of blood from the hollow of the barrel caused by advancement of the plunger. A clip prevents inadvertent excessive retraction of the plunger during the blood aspiration and blood discharge phases.

REFERENCES:
patent: 772114 (1904-10-01), Pappenheim
patent: 1649022 (1927-11-01), Eisele
patent: 3016896 (1962-01-01), Van Sickle
patent: 3354882 (1967-11-01), Coanda
patent: 3661152 (1972-05-01), Beich et al.
patent: 3890956 (1975-06-01), Moorehead

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