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Method and apparatus for blood withdrawal and infusion using a pressure controller

  • US 20040030277A1
  • Filed: 06/24/2003
  • Published: 02/12/2004
  • Est. Priority Date: 11/02/2000
  • Status: Active Grant
First Claim
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1. A method for controlling blood flow through an extracorporeal blood circuit comprising the steps of:

  • a. withdrawing the blood from a withdrawal blood vessel in a patient into the extracorporeal circuit;

    b. detecting an occlusion which at least partially blocks the withdrawal of blood from the patient, and c. temporarily reversing a flow of the blood to infuse blood from the circuit into the withdrawal blood vessel after step b.

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