Apparatus for distributing liquid in a patient's body

Details Apparatus for distributing liquid in a patient's body Apparatus for distributing liquid in a patient's body

A - Human Necessities

61

M

A61M 39/22 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2494387

An apparatus for distributing a liquid in a patient's body comprises an implantable pump adapted to pump the liquid and an implantable valve device adapted to direct the liquid pumped by the pump. A first ceramic valve member of the valve device includes a first plane surface and a second ceramic valve member of the valve device includes a second plane surface facing and touching the first plane surface. The second valve member is displaceable relative to the first valve member between different positions, wherein the valve members include different liquid channels. The valve device is operable to displace the second valve member to hydraulically connect the pump to at least one of the liquid channels in at least one of the positions.

L'invention concerne un appareil conçu pour diffuser un liquide dans le corps du patient, qui comprend une pompe implantable destinée à pomper le liquide et un dispositif de valve implantable destiné à diriger le liquide ainsi pompé. Un premier élément de valve en céramique du dispositif de valve comporte une première surface plane et un second élément de valve en céramique dudit dispositif de valve comporte une seconde surface plane en regard et touchant la première surface plane. Le second élément de valve peut être déplacé par rapport au premier élément de valve entre différentes positions, lesdits éléments de valve comportant différents canaux de liquides. Le dispositif de valve peut déplacer le second élément de valve de façon à assurer une liaison hydraulique entre la pompe et au moins un des canaux de liquides dans au moins une des positions.

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