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System and method for lung visualization using ultrasound

  • US 10,098,566 B2
  • Filed: 08/27/2014
  • Issued: 10/16/2018
  • Est. Priority Date: 09/06/2013
  • Status: Active Grant
First Claim
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1. A method for ultrasound (US) interrogation comprising:

  • importing a three dimensional (3D) model of a luminal network and a pathway plan illustrating a pathway toward a target in the luminal network of the 3D model into a navigation system, wherein the 3D model is made of a plurality of two dimensional (2D) images, which are from computed tomography scanning, magnetic resonance imaging (MRI), fluoroscopic imaging, or X-ray imaging;

    generating an electromagnetic (EM) field about a luminal network;

    inserting, by following the pathway plan, a first catheter, through which a second catheter is extended, to navigate the luminal network, wherein an EM sensor is positioned at a distal portion of one of the first catheter and the second catheter, and a US transducer is positioned at a distal portion of the other one of the first catheter and the second catheter;

    sensing, at the EM sensor, the EM field;

    synchronizing a location of the EM sensor in the EM field with the 3D model;

    transmitting, at the US transducer, US waves;

    receiving, at the US transducer, reflected US waves;

    processing the reflected US waves to generate US images;

    integrating the generated US images with the 3D model by replacing at least one of the plurality 2D images of the 3D model at a location of the US transducer, which corresponds to a location of the EM sensor, with the generated US images to create an intra-procedural 3D model; and

    predicting based on the US images a type, density, disease state, or sufficiency of treatment of tissue reflecting the US waves.

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