Systems and methods for monitoring and controlling fluid balance during a biological fluid procedure

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United States of America Patent

PATENT NO 11857714
APP PUB NO 20230149615A1
SERIAL NO

18100023

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Described is a method for controlling fluid volume balance. A controller is configured with a first set of inputs comprising a hematocrit, a total blood volume, and an ACD ratio. A maximum extracorporeal RBC amount during the procedure is estimated based on the first set of inputs. A fluid circuit is primed with a priming fluid. Whole blood is drawn from a blood source and separated into a RBC component, a target cell component, and a plasma component. The target cell component is directed to a product container. The product container comprising the target cell component is treated. A treated target cell component, a portion of the RBC component remaining in the fluid circuit, and/or a portion of the plasma component remaining in the fluid circuit are returned to the blood source. A first response action is provided if the maximum extracorporeal RBC amount estimated is above a programmed limit.

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Patent Owner(s)

Patent OwnerAddress
FENWAL INCTHREE CORPORATE DRIVE LAKE ZURICH IL 60047

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ali, Zahra R Chicago, US 18 5
Nguyen, Lan T Vernon Hills, US 43 182

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