Conductivity control systems

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United States of America Patent

PATENT NO 12201759
APP PUB NO 20220265910A1
SERIAL NO

17625124

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A dialysis system has a module with a dialyzer configured to remove one or more substances from a dialysis solution as it passes through a dialyzer. The module has a fluid line, a sorbent cartridge, and a sodium control system adapted to actively alter a sodium concentration of dialysis solution passing through the fluid line as the dialysis solution exits the sorbent cartridge. The sodium control system has a conductivity sensor that sends a signal indicating the conductivity of the dialysis solution as the dialysis solution exits the sorbent cartridge, the conductivity meter being in communication with the sodium control system, a processor configured to receive the signal from the conductivity sensor, compare the conductivity signal to a threshold value lower than a prescription value, and cause the sodium control system to stop actively altering the sodium concentration if the signal is greater than the threshold value.

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Patent Owner(s)

Patent OwnerAddress
FRESENIUS MEDICAL CARE HOLDINGS INC920 WINTER STREET WALTHAM MA 02451-1457

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adams, Kerissa Norman, US 6 75
Hoover, Mary Waltham, US 7 38
Merchant, Stephen A Waltham, US 16 248
Rebacz, Natalie Waltham, US 5 0

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