Surgery – Blood drawn and replaced or treated and returned to body – Constituent removed from blood and remainder returned to body
Reexamination Certificate
2007-12-25
2007-12-25
Zalukaeva, Tatyana (Department: 3761)
Surgery
Blood drawn and replaced or treated and returned to body
Constituent removed from blood and remainder returned to body
C422S044000, C210S645000, C210S650000, C210S321710, C210S433100, C210S500230
Reexamination Certificate
active
10642638
ABSTRACT:
A method and apparatus for ultrafiltration of blood operating by removing blood from a peripheral blood vessel at a rate of less than two percent of total cardiac output of a patient, extracting fluid at a rate of 0.1 liter to 1.0 liters per hour while retaining cells and proteins in the blood, and returning the concentrated blood to a secondary blood vessel is disclosed. Blood is removed and returned using small gage needles. As a pump circulates blood from the patient, a filter removes ultrafiltrate from the blood using duty cycle or pump control, and a transparent container collects the removed fluid.
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Gelfand Mark
Levin Howard R.
O'Mahony John
Polaschegg Hans-Dietrich
CHF Solutions Inc.
Deak Leslie R.
Nixon & Vanderhye P.C.
Zalukaeva Tatyana
LandOfFree
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