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Method for monitoring of medical treatment using pulse-echo ultrasound

  • US 7,846,096 B2
  • Filed: 11/24/2003
  • Issued: 12/07/2010
  • Est. Priority Date: 05/29/2001
  • Status: Expired due to Fees
First Claim
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1. A method for ultrasound imaging of anatomical tissue using an ultrasound transducer, comprising the steps of:

  • a) positioning the ultrasound transducer relative to the anatomical tissue;

    b) receiving a time-varying first signal of a first imaging ultrasound wave which has been reflected from a location in the anatomical tissue during a first time period, the first imaging ultrasound wave being generated by the ultrasound transducer;

    c) receiving a time-varying second signal of a second imaging ultrasound wave which has been reflected from the location in the anatomical tissue at a later second time period following a discrete ultrasound medical treatment, the second imaging ultrasound wave being generated by the ultrasound transducer;

    d) subtracting the second signal from the first signal to derive a time-varying difference signal; and

    e) generating an indication from the difference signal, the indication showing the effect of the discrete ultrasound medical treatment in the location in the anatomical tissue.

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