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US 8,409,445 B2Granted
Method for removing gases from a container having a powdered concentrate for use in hemodialysis
AssigneeFresenius Medical Care Holdings, Inc.
InventorsRoland Levin, Wayne Raiford
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Abstract
An apparatus and a method for filling a container containing a dry powdered salt concentrate for use in dialysis with purified fluid and removing the trapped air or gases generated during the filling of the container, while maintaining the required fluid level in the container and without the need for evacuating gases from the container prior to filling.
Claims12
In a system for use with a dialysis apparatus, a method for removing gases from a container having an inlet and an outlet, and containing a powdered salt concentrate, the method comprising the steps of:
- advancing fluid into the container through the inlet until a first pressure is reached to create a solution of fluid and salt concentrate;
- adding fluid into the container and flushing the solution through the outlet while maintaining the first pressure for a period of time to force gases trapped in the container through the outlet with the solution;
- and
- reducing the pressure in the container to a second pressure.
1 more element
Dependencies are inferred from the claim text.