Dialysis system having disposable cassette and interface therefore
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United States of America Patent
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Mar 22, 2011
Grant Date -
Jan 8, 2009
app pub date -
Jul 5, 2007
filing date -
Jul 5, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medical fluid flow control system includes an interface including a first pump area, the first pump area of the interface including a pneumatic actuator port and a gasket seal port; and a membrane gasket including a second pump area for mating with the first pump area, the second pump area including a blind section which covers the pneumatic actuator port when the gasket is mated with the interface, the second pump area further including an aperture, the aperture sized and positioned to seal around the gasket seal port, allowing a negative pressure to be applied through the gasket seal port to a flexible sheet of a pumping cassette.
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