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Ablation probe with fluid-based acoustic coupling for ultrasonic tissue imaging and treatment

  • US 8,945,015 B2
  • Filed: 01/07/2013
  • Issued: 02/03/2015
  • Est. Priority Date: 01/31/2012
  • Status: Active Grant
First Claim
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1. An ablation probe for treating and imaging body tissue, the ablation probe comprising:

  • an elongate probe body having a proximal section and a distal section;

    an ablation electrode tip coupled to the distal section of the elongate probe body, the ablation electrode tip configured for delivering ablation energy to body tissue;

    a plurality of acoustic openings disposed through the ablation electrode tip;

    a plurality of ultrasonic imaging sensors disposed within an interior lumen of the ablation electrode tip;

    an acoustically transparent member disposed between the ultrasonic imaging sensors and the acoustic openings, the acoustically transparent member comprising a tubular shell that circumferentially surrounds at least one of the plurality of ultrasonic imaging sensors; and

    a fluid channel interposed between the ultrasonic imaging sensors and the acoustically transparent member.

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