US Patent Issued to NxStage Medical on Feb. 17 for "Electrical isolation devices, methods and systems" (Massachusetts Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,604, issued on Feb. 17, was assigned to NxStage Medical Inc. (Lawrence, Mass.).

"Electrical isolation devices, methods and systems" was invented by Goetz Friederichs (Beverly, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of reducing leakage current from a patient to a ground potential through an applied part of a medical device includes defining a maximum permissible leakage current Amax from the patient to the ground potential when the patient is energized to an electric potential V and supplying the medical device with water having a resistivity value Rho through a fluid line having a length L and an inner diameter ID. The value o...