Aspiration flow resistor

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/00 (2006.01) A61F 9/007 (2006.01) A61M 27/00 (2006.01) G01F 1/00 (2006.01) G01N 15/14 (2006.01)

Patent

CA 2500541

An aspiration flow resistor (10) includes an inlet (12) and an outlet (14). A housing (16) is connected to the inlet (12) and outlet (14). A series of spaced walls (18) are disposed between the inlet (12) and the outlet (14). The walls (18) and the inlet (12) and the outlet (14) together with the housing (16) define a plurality of aspiration flow chambers (22). As aspirant flows from the inlet (12) to the outlet (14), a pressure decrease in the aspirant flow occurs at each wall (18) to provide resistance to aspirant flow.

L'invention concerne une résistance (10) de flux d'aspiration, comprenant une entrée (12) et une sortie (14). Un logement (16) est connecté à l'entrée (12) et à la sortie (14). Une série de parois espacées (18) sont disposées entre l'entrée (12) et la sortie (14). Les parois (18) et l'entrée (12) et la sortie (14), ainsi que le logement (16), définissent une pluralité de chambres (22) de flux d'aspiration. A mesure que le flux d'aspiration s'écoule de l'entrée (12) vers la sortie (14), une augmentation de pression du flux d'aspiration se produit au niveau de chaque paroi (18) afin de générer une résistance au flux d'aspiration.

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