Blood container having lay-flat sample reservoir

Details Blood container having lay-flat sample reservoir Blood container having lay-flat sample reservoir

1991-01-22

1992-12-01

Rosenbaum, C. Fred

Surgery

Container for blood or body treating material, or means used...

Bag type

128767, 7386371, 7386386, 137255, A61B 1900

Patent

active

051676567

ABSTRACT:
The method is provided of collecting blood with a donor needle inserted into the vein, which comprises an improvement of: after drawing a desired amount of blood into the blood storage container connected to one end of flexible tubing, occluding flow through said flexible tubing at a point adjacent a flexible, transversely enlarged tubing portion positioned at a location on the tubing spaced from the ends. The flow occluding point is located between the enlarged tubing portion and the container, and the tubing portion is initially of lay-flat type, prior to passing blood through it. One then draws more blood through the needle to enter and fill the enlarged tubing portion. One then occludes flexible tubing between the enlarged tubing portion and the needle prior to withdrawing the needle from the vein of the blood donor.

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