A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/84
A61B 5/14 (1990.01)
Patent
CA 2011677
ABSTRACT OF THE DISCLOSURE Apparatus and methods for simultaneously obtaining clinical laboratory and arterial blood gas samples are disclosed. The apparatus includes a flow-through plunger configured for being detachably secured to the tip of a standard arterial blood gas syringe. The flow-through plunger has a conduit through the center thereof which permits blood to flow through the plunger into the arterial blood gas syringe. The flow-through plunger preferably has a diameter larger than the diameter of the arterial blood gas syringe. In this way, the combination of flow-through plunger and arterial blood gas syringe function as a plunger assembly for a larger syringe, preferably a clinical laboratory blood sample syringe. Both a clinical laboratory blood sample and an arterial blood gas sample may be obtained by introducing arterial blood into the clinical laboratory syringe barrel and passing the blood through the flow-through plunger into the arterial blood gas syringe. Arterial blood may be introduced into the clinical laboratory syringe through either a direct hypodermic needle puncture into an artery or by coupling the laboratory syringe barrel to an ex-vivo arterial blood source. PAT/108561-01
Cassan Maclean
Lineback Paul I.
LandOfFree
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