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Synchronized volumetric fluid balancing systems and methods

  • US 6,638,478 B1
  • Filed: 02/25/2000
  • Issued: 10/28/2003
  • Est. Priority Date: 02/14/1997
  • Status: Expired due to Term
First Claim
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1. A fluid balancing system for use in a fluid processing procedure during which an outgoing fluid is removed from an individual and an ingoing fluid is supplied to the individual, the system comprising a volumetric chamber assembly, a first flow assembly communicating with the volumetric chamber assembly for supplying a volume of the outgoing fluid and a volume of the ingoing fluid into the volumetric chamber assembly, a second flow assembly communicating with the volumetric chamber assembly for discharging a volume of the outgoing fluid and a volume of the ingoing fluid from the volumetric chamber assembly, and a synchronization unit configured to mechanically couple and thereby drive the first and second flow assemblies to effect a concurrent discharge of the outgoing fluid and ingoing fluid from the volumetric chamber assembly in volumetric balance with a concurrent supply of outgoing fluid and ingoing fluid into the volumetric chamber assembly.

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