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System and method for synchronized persistence with contrast agent imaging

  • US 6,612,989 B1
  • Filed: 06/18/2002
  • Issued: 09/02/2003
  • Est. Priority Date: 06/18/2002
  • Status: Expired due to Term
First Claim
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1. A method for observing an ultrasonic response of a contrast agent comprising:

  • introducing at least one contrast agent into tissue targeted for imaging;

    insonifying tissue with a transducer excited by a first ultrasound-transmit signal suited to peimit real-time observation of contrast agent perfused tissue;

    modifying at least one ultrasonic-transmit signal parameter to generate a second ultrasound-transmit signal wherein a substantial portion of the contrast agent present within the insonified tissue is destroyed; and

    actuating a persistence filter in response to the second ultrasonic-tranismit signal wherein successive image frames acquired after the second ultrasonic-transmit signal is applied are not compromised by persistence filtered results.

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