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Microwave surface ablation using conical probe

  • US 8,343,145 B2
  • Filed: 09/28/2009
  • Issued: 01/01/2013
  • Est. Priority Date: 09/28/2009
  • Status: Active Grant
First Claim
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1. An electromagnetic surgical ablation probe, comprising:

  • a coaxial feedline having an inner conductor, an outer conductor disposed coaxially thereabout, and a dielectric disposed therebetween;

    a tubular catheter coaxially disposed around the coaxial feedline configured to circulate a coolant to a coolant chamber;

    a hypotube coaxially disposed around the tubular catheter having a flared opening at a distal end thereof;

    a radiating section disposed within the flared opening and operably coupled to the inner conductor;

    a membrane enclosing the flared opening to define the coolant chamber; and

    a conformable mesh disposed on a periphery of the flared opening.

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