×

Method and aparatus for leak detection in a fluid line

  • US 20030009123A1
  • Filed: 07/07/2001
  • Published: 01/09/2003
  • Est. Priority Date: 07/07/2001
  • Status: Active Grant
First Claim
Patent Images

1. A method of detecting a loss of integrity in a blood circuit supplying blood to a patient, comprising the steps of:

  • delivering blood to a patient through a circuit during first times;

    said step of delivering including applying a positive gauge pressure to said circuit;

    applying a negative pressure to said blood circuit during second times;

    detecting a presence of air in said blood circuit during at least a portion of said second times, or after said second times, such that air infiltrating said blood circuit during said second times as a result of said negative pressure and a presence of a leak is detected.

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