Surgery – Blood drawn and replaced or treated and returned to body – Constituent removed from blood and remainder returned to body
Reexamination Certificate
2007-03-01
2010-10-19
Zalukaeva, Tatyana (Department: 3761)
Surgery
Blood drawn and replaced or treated and returned to body
Constituent removed from blood and remainder returned to body
C251S004000, C251S231000
Reexamination Certificate
active
07815588
ABSTRACT:
A device and method for selectively controlling the direction of blood flow to and from the patient during hemodialysis is provided. Specifically, the device and method reverse flow between four fluid lines without changing connections between a patient and a hemodialysis machine. Advantageously, the blood is subjected to minimal stresses as it passes through the switching device.
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Hanrahan Benedict L
Sheridan & Ross P.C.
Zalukaeva Tatyana
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