Method and apparatus for purging tubing network of blood process

Details Method and apparatus for purging tubing network of blood process Method and apparatus for purging tubing network of blood process

1987-05-13

1989-12-19

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604151, 604280, A61M 300

Patent

active

048880043

ABSTRACT:
Method and apparatus for purging air from a tubing network finds particular utility as a component part of a blood constituent processing system. Collection and return needles of a disposable tubing network are initially contained within a common antiseptic enclosure. A purge fluid (e.g., saline solution) may then be introduced into the interior chamber of the enclosure via one of the needles and withdrawn from the interior chamber via the other of the needles. Air entrained in the tubing network may thus be trapped within the common enclosure itself and/or vented therefrom via a one-way valve and hydrophobic microbe filter and/or the entrained air pockets may be encouraged to flow to a separate suitable air trap location of the tubing network whereby the network is purged of air.

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