Surgery – Blood drawn and replaced or treated and returned to body – Body inserted tubular conduit structure
Reexamination Certificate
2005-12-27
2005-12-27
Bianco, Patricia (Department: 3761)
Surgery
Blood drawn and replaced or treated and returned to body
Body inserted tubular conduit structure
C604S004010, C210S258000, C210S645000
Reexamination Certificate
active
06979309
ABSTRACT:
A flow management system for extracorporeal blood treatment application helps to ensure proper balance of incoming and outgoing fluids by precise balancing of relatively small balance chambers. The invention employs combinations of features that help to ensure accuracy including underfilling of the waste flow side of a fixed volume chamber and mechanical connections to synchronize valves and pumps.
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Brugger James M.
Burbank Jeffrey H.
Finch, Jr. C. David
Fulkerson Barry N.
Treu Dennis M.
Bianco Patricia
NxStage Medical Inc.
Proskauer Rose LLP
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