Sterile fluid filtration cartridge and method for using same
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United States of America Patent
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Oct 21, 2003
Grant Date -
N/A
app pub date -
Dec 30, 1999
filing date -
Dec 30, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filtration assembly is presented which removes bacteria and endotoxin from a solution so that a sterile fluid is produced. The sterile fluid is suitable for direct on-line infusion to a patient from a device, such as a dialysis machine. The filtration assembly is constructed so that two separate filtration compartments exist, resulting in redundant filtration of the fluid prior to infusion. Each compartment holds a filter which preferably consists of a longitudinal bundle of semipermeable hollow fibers. The filter is sized so that it creates a separate area within the compartment for filtrate and infusate flow. This redundant filtration produces a lower risk of creating a pyrogenic or septic condition in the patient due to filter failure.
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