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Medical diagnostic ultrasound imaging method and system using simultaneously transmitted ultrasound beams

  • US 6,277,073 B1
  • Filed: 09/23/1999
  • Issued: 08/21/2001
  • Est. Priority Date: 09/23/1999
  • Status: Expired due to Term
First Claim
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1. An ultrasound transmit method for a medical diagnostic ultrasound imaging system, said method comprising:

  • (a) transmitting first ultrasonic energy into a body in a first transmit event, said first ultrasonic energy steered substantially along a first scan direction;

    (b) transmitting second ultrasonic energy into the body in a second transmit event, said second ultrasonic energy steered substantially along the first scan direction;

    said first ultrasonic energy focused in at least two spatially distinct first focal zones spaced in range along the first scan direction, and said second ultrasonic energy focused in a set of second focal zones spaced in range along the first scan direction;

    at least one of the second focal zones being spatially distinct from all of the first focal zones.

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