Gas elimination device

Details Gas elimination device Gas elimination device

1988-08-23

1990-02-13

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604406, A61M 514

Patent

active

049003089

ABSTRACT:
An air elimination device includes a plenum arranged to cause a reduction in flow velocity of a physiological fluid whereby air bubbles form and rise to the top of the plenum. A hydrophobic membrane covers the top of the plenum, and the pressure in the fluid is greater than that which is required to drive the released air through the membrane and into the atmosphere. The air which collects at the top of the plenum forms a protective surface on the bottom of the hydrophobic membrane to prevent its being clogged by cellular materials. A support stand engages the air eliminator to hold it in the desired orientation whereby the air bubbles form at the top of the plenum.

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patent: 4650458 (1987-03-01), Dahlberg et al.
patent: 4664800 (1987-05-01), Raines et al.

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