Blood collection and separation system

Details Blood collection and separation system Blood collection and separation system

1997-04-09

1999-12-28

Weiss, John G.

Surgery

Blood drawn and replaced or treated and returned to body

A61M 3700

Patent

active

060075090

ABSTRACT:
A system compact enough to be located entirely beside the donor's chair, and able to process the blood while the donor is still resting in the chair after having donated the blood. The separated blood components (plasma and red blood cells) may be stored in their individual optimum environments immediately after the whole blood is drawn, and the blood does not need to be transported back to a separation laboratory for processing. The system includes a needle (72) (or other cannula-like device) for insertion into a vein of the donor and drawing whole blood therethrough, a rotor (2a) for holding the blood after it is drawn, and a motor (50) for spinning the rotor so as to cause the blood to separate into components, for example, plasma and red blood cells. In a preferred embodiment two containers are used: the first container (92) for containing an anticoagulant, which is preferably added to the whole blood as it is drawn from the donor, and then for storing the plasma after it has been separated from the red blood cells, and the second container (91) for storing the separated red blood cells. The system further includes tubing (73), which may have valving (81) built into it and which may be acted on externally, so as to direct the blood components in the desired manner.

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