×

Ultrasound access disconnection systems and methods

  • US 8,603,020 B2
  • Filed: 02/20/2012
  • Issued: 12/10/2013
  • Est. Priority Date: 02/09/2007
  • Status: Active Grant
First Claim
Patent Images

1. An access disconnection system comprising:

  • a blood treatment machine including a housing;

    an access site detection housing separate from the blood treatment machine housing;

    a transmitter positioned in the access site detection housing and configured to transmit an ultrasound wave into a blood stream of a patient;

    a receiver positioned in the access site detection housing and configured to receive a reflection of the ultrasound wave from the blood stream of the patient; and

    electronic circuitry in communication with the transmitter and the receiver, the electronic circuitry supported by the access site detection housing, the transmitter configured to send a wireless disconnection output to the blood treatment machine, the disconnection output indicative of a change in the reflected ultrasound wave received by the receiver sufficient to expect that an access disconnection of one of the arterial line and the venous line has occurred.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×