Pressure-activated proximal valves

Details Pressure-activated proximal valves Pressure-activated proximal valves

A - Human Necessities

61

M

A61M 39/00 (2006.01) A61M 25/00 (2006.01) A61M 39/22 (2006.01) F16K 15/14 (2006.01)

Patent

CA 2626335

A medical device is disclosed comprising a diaphragm having at least one slit valve disposed therein, and a valve housing configured to secure the diaphragm at a peripheral portion of the diaphragm, wherein a central portion of the diaphragm is positioned relative to the peripheral portion of the diaphragm such that compressive forces acting on the peripheral portion of the diaphragm create moment forces which bias the slit valve in a closed position. A method is disclosed for using the device in connection with a catheter for regulation of fluids to and from a patient.

L~invention a pour objet un dispositif médical comprenant un diaphragme dans lequel se trouve au moins une valve à fente et un logement de valve conçu pour fixer le diaphragme sur une partie périphérique, l~une de ses parties centrales étant positionnée par rapport à la partie périphérique de manière à ce que des forces de compression agissant sur la partie périphérique créent des forces de moment qui poussent la valve à fente en position fermée. L~invention divulgue également un procédé d~utilisation du dispositif associé à un cathéter pour réguler les liquides entrant et sortant de l~organisme.

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