Surgery – Blood drawn and replaced or treated and returned to body – Constituent removed from blood and remainder returned to body
Reexamination Certificate
2004-07-27
2009-06-02
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
C604S006100, C604S006110, C604S005040, C604S005010, C210S645000, C210S741000, C422S044000
Reexamination Certificate
active
07540851
ABSTRACT:
A method and apparatus are disclosed for controlling blood flow through an extracorporeal blood circuit having a controller comprising the steps of: withdrawing the blood from a withdrawal blood vessel in a patient into the extracorporeal circuit, treating the blood in the circuit and infusing the treated blood into the patient; detecting an occlusion which at least partially blocks the withdrawal or infusion of the blood; reducing the blood flow rate and the rate of filtration in response to the occlusion, and further prompting the patient to move his arm in an effort to alleviate the occlusion.
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Gelfand Mark
Halpert Andrew
O'Mahony John J.
Rychlick Edward G.
CHF Solutions Inc.
Deak Leslie R
Nixon & Vanderhye P.C.
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