Hemostasis valve, system and assembly

Details Hemostasis valve, system and assembly Hemostasis valve, system and assembly

A - Human Necessities

61

M

A61M 39/06 (2006.01)

Patent

CA 2266959

A hemostasis valve including a collapsible membrane in a portion of a through- lumen. Fluid pressure in a chamber surrounding the collapsible membrane assists in sealing the collapsible membrane around an operating device inserted through the hemostasis valve. Different mechanisms for mechanically deforming the collapsible membrane to assist in sealing are disclosed. Also, a system for continuously flushing a vascular catheter connected to a hemostasis valve at a rate of 0.10 to 10.0 cubic centimeters per minute, and a hemostasis valve assembly including an expandable reservoir which stores liquid volume under pressure.

La présente invention concerne une valve pour hémostase comprenant une membrane démontable se trouvant dans une partie d'un canal intérieur traversant. La pression exercée par fluide dans une chambre entourant la membrane démontable aide à souder ladite membrane autour d'un dispositif de manoeuvre passant à travers la valve d'hémostase. La présente invention concerne également divers mécanismes visant à déformer mécaniquement la membrane démontable afin d'en faciliter la soudure, un système servant à purger en permanence un cathéter vasculaire relié à une valve d'hémostase, et ce, à un débit de 0,10 à 10 centimètres cubes par minute et un ensemble valve pour hémostase comprenant un réservoir à volume variable qui stocke le volume de liquide sous pression.

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