Device and method for controlled expression of gases from...

A - Human Necessities – 61 – M

Patent

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A61M 5/31 (2006.01) A61M 5/36 (2006.01) A61M 5/38 (2006.01)

Patent

CA 2503156

Disclosed herein is a syringe assembly for discharging gaseous materials from a syringe, comprising an elongate container (14) with a plunger (16) slidably and sealingly engaged therein to form a fluid material receiving cavity (20), the container further comprising an outlet (22) for dispensing fluid materials from the cavity; the plunger including transfer means for transferring gas constituents from the cavity to a region outside the cavity, or a gaseous material collection housing (36) being provided for emitting gaseous materials and retaining non-gaseous materials.

L'invention concerne un assemblage de seringue permettant d'en décharger des matériaux gazeux, comprenant un contenant oblong doté d'un piston glissant et engagé de manière étanche avec le contenant afin de former une cavité recevant un matériau liquide, le contenant comprenant, en outre, une sortie d'administration de matériaux liquides à partir de la cavité, le piston comprenant un moyen de transfert de constituants gazeux depuis la cavité jusqu'à une région située en dehors de la cavité.

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