×

DIALYSIS SYSTEM WITH EFFICIENT BATTERY BACK-UP

  • US 20080200869A1
  • Filed: 02/15/2007
  • Published: 08/21/2008
  • Est. Priority Date: 02/15/2007
  • Status: Active Grant
First Claim
Patent Images

1. A medical fluid machine comprising:

  • an enclosure; and

    electronics located within the enclosure and operable to control delivery of the medical fluid, the electronics configured to be powered by an external electrical power source or a back-up battery, the electronics including a transistor in electrical communication with the battery, and a voltage regulator configured to vary a gate voltage at the transistor due to varying battery voltage and/or load current so as to maintain an at least substantially steady supply voltage to the load.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×