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Method for sensing temperature profile of a hollow body organ

  • US 20030013985A1
  • Filed: 07/12/2001
  • Published: 01/16/2003
  • Est. Priority Date: 07/12/2001
  • Status: Abandoned Application
First Claim
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1. A method for sensing the temperature profile of a hollow body organ, comprising the steps of:

  • providing a catheter;

    providing a hollow, self-expanding guidewire that expands when unconstrained into a configuration including a plurality of helical loops of greater diameter than the catheter;

    providing a temperature sensor disposable within the lumen of the guidewire and moveable longitudinally therein;

    contracting the guidewire elastically and constraining the guidewire within the lumen of the catheter;

    advancing the catheter and guidewire to a region of interest in a hollow body organ;

    withdrawing the catheter while securing the guidewire against substantial longitudinal movement relative to the hollow body organ, whereby the guidewire self-expands into loops in contact with the hollow body organ;

    moving the temperature probe through the lumen of the guidewire; and

    sensing the temperature of the hollow body organ at multiple locations.

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