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Ultrasound imaging with variable line density

  • US 10,166,003 B2
  • Filed: 12/16/2013
  • Issued: 01/01/2019
  • Est. Priority Date: 12/21/2012
  • Status: Active Grant
First Claim
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1. A method for intravascular imaging, the method comprising:

  • introducing an ultrasonic transducer into a vessel, the transducer being disposed at a distal portion of a catheter;

    using a module operably coupled to a proximal portion of the catheter to provide a number of trigger signals per rotation of the ultrasonic transducer, the module comprising a rotary encoder comprising hardware steps configured to define the number of trigger signals;

    rotating the ultrasonic transducer at least one rotation; and

    triggering a first sequencer operation and a second sequencer operation with each trigger signal,wherein the first sequencer operation and the second sequencer operation each comprise stimulating the ultrasonic transducer to transmit an ultrasonic signal into the vessel;

    wherein at least the second sequencer operation comprises receiving a backscattered ultrasound signal from the vessel with the ultrasonic transducer.

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