×

Access disconnection systems and methods

  • US 7,959,594 B2
  • Filed: 01/25/2006
  • Issued: 06/14/2011
  • Est. Priority Date: 04/10/2002
  • Status: Active Grant
First Claim
Patent Images

1. An extracorporeal blood system comprising:

  • an extracorporeal blood machine including an extracorporeal blood circuit;

    an access device enabling the extracorporeal blood circuit to be connected to a patient;

    a pair of electrical contacts configured to contact blood as the blood flows through the extracorporeal blood circuit; and

    a controller configured to model a total impedance Z according to at least two lumped impedances including (i) a lumped impedance ZD due to components of the extracorporeal blood machine and (ii) a lumped impedance ZP due to access of the extracorporeal blood circuit to the patient.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×