Patent ID: 9700663
Date: 2017-07-11
CPC Classifications: A61M,C02F

Claim:
1. A medical fluid treatment device in combination with a renal replacement therapy device, the medical fluid treatment device comprising: a housing having water supply and drain connections and an electrical supply connection; a treatment fluid preparation device configured to purify water and to dilute a solute or concentrate with the purified water so as to prepare a batch of treatment fluid; said batch of treatment fluid being contained in a disposable bag supported by a support enclosed in said housing; said batch containing enough treatment fluid to perform multiple renal replacement therapy treatments each being at least a day apart; a heater arranged on the support and configured to heat the batch of treatment fluid so as to maintain a temperature of said batch of treatment fluid in the disposable bag at a temperature for immediate use in renal replacement therapy; a controller configured to indicate at least one of: an indication that said batch has expired, an indication that said batch is about to expire, and an amount of time before said batch will expire; said controller having an output connected to the heater and an input connected to a temperature sensor, which monitors the temperature of said batch of treatment fluid in said bag, the controller being configured to maintain the batch of treatment fluid in the disposable bag at said temperature for immediate use in renal replacement therapy while allowing consumption of said batch over multiple treatments by controlling the heater to heat the batch of treatment fluid in response to a signal from the temperature sensor; and connections connecting the renal replacement therapy device to receive contents of said disposable bag.