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Method and apparatus for an extracorporeal treatment device to control blood withdrawal and infusion

  • US 20030152482A1
  • Filed: 02/14/2002
  • Published: 08/14/2003
  • Est. Priority Date: 02/14/2002
  • Status: Active Grant
First Claim
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1. A method for controlling blood flow through an extracorporeal blood circuit having a controller comprising the steps of:

  • a. 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;

    b. detecting an occlusion which at least partially blocks the withdrawal or infusion of the blood;

    c. in response to the detection of the occlusion, the controller automatically prompts the patient to move to alleviate the occlusion, and d. in response to a prolonged occlusion, the controller issues an alarm.

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