Device for removal of gas bubbles and dissolved gasses in...

A - Human Necessities – 61 – M

Patent

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Details

A61M 31/00 (2006.01) A61M 1/18 (2006.01) A61M 1/36 (2006.01) B01D 19/00 (2006.01) B01D 61/00 (2006.01) B01D 63/02 (2006.01) A61M 1/16 (2006.01) A61M 5/38 (2006.01)

Patent

CA 2311935

This invention is a device (10) for removal of gas bubbles, and dissolved gasses from fluids delivered into a patient during medical procedures. A housing (20) having a number of gas permeable hollow fibers (50) passing therethrough is provided. The infused fluid is introduced through the interior lumens of the hollow fibers (50), and entrained or dissolved gasses are drawn through the fiber walls to the outer or shell side of the fibers. A vacuum may be drawn on the housing through a vent (32) to enhance gas removal. A passage (70) is optionally provided through the device to allow a tool or other device to be passed therethrough.

La présente invention décrit un dispositif (10) d'élimination de bulles de gaz et de gaz dissous dans des fluides administrés à un patient lors de traitements médicaux. On a prévu un logement (20) à travers lequel passe un certain nombre de fibres creuses (50) perméables au gaz. Le liquide perfusé est introduit dans les lumières intérieures des fibres creuses et les gaz, entraînés ou dissous, sont extraits à travers les parois de fibres pour parvenir à l'extérieur ou du côté de l'enveloppe des fibres. Un vide peut être appliqué dans le logement par un évent (32) pour améliorer l'élimination des gaz. Le dispositif peut comprendre une ouverture (70) pour permettre le passage d'un outil ou d'un autre dispositif.

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