Surgery – Blood drawn and replaced or treated and returned to body – Constituent removed from blood and remainder returned to body
Reexamination Certificate
2011-08-23
2011-08-23
Deak, Leslie R (Department: 3761)
Surgery
Blood drawn and replaced or treated and returned to body
Constituent removed from blood and remainder returned to body
C604S006160, C137S625420
Reexamination Certificate
active
08002727
ABSTRACT:
A blood processing system includes a flow reversing device with at least an air sensor in the venous line located near the patient. During treatment, blood flow is reversed to cause air to infiltrate the blood lines if any disconnections or breaks in the blood line are present. One means for placing the sensor close to the patient is to provide the flow switching device aid sensors in a small lightweight module that can be located close the treatment machine. Another is to provide a module with just the sensors near the access.
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Brugger James M.
McDowell Christopher
Catan, Esq. Mark A.
Deak Leslie R
Miles & Stockbridge P.C.
Minter, Esq. Michael A.
NxStage Medical Inc.
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