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Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods

  • US 9,138,292 B2
  • Filed: 10/09/2014
  • Issued: 09/22/2015
  • Est. Priority Date: 05/11/2012
  • Status: Active Grant
First Claim
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1. A renal neuromodulation system for treatment of a human patient, the system comprising:

  • an energy source including a radio-frequency identification (RFID) evaluation module;

    a catheter, including—

    a handle assembly configured to operably couple to the energy source;

    a radio-frequency identification (RFID) tag configured to communicate with the RFID evaluation module;

    an elongate tubular shaft having a proximal portion coupled to the handle assembly and a distal portion;

    a therapeutic assembly disposed at the distal portion of the elongated shaft and adapted to be located at a target location within a renal artery of a human patient, the therapeutic assembly including a support structure comprising—

    a control member comprising a pre-formed helical shape; and

    a plurality of energy delivery elements carried by the support structure,wherein the elongated tubular shaft and the therapeutic assembly together define therethrough a guide wire lumen configured to slidably receive a medical guide wire, andwherein axial movement of the guide wire relative to the therapeutic assembly transforms the support structure between (a) a low-profile delivery configuration and (b) a deployed configuration tending to assume the pre-formed helical shape of the control member; and

    a cable configured to operably couple the energy source and the catheter, wherein the RFID tag is positioned along the cable.

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