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Intravascular method and system for treating arrhythmia

  • US 5,881,732 A
  • Filed: 06/21/1996
  • Issued: 03/16/1999
  • Est. Priority Date: 01/29/1993
  • Status: Expired due to Fees
First Claim
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1. A method for locating and treating an arrhythmogenic site in a patient'"'"'s heart to terminate arrhythmia, comprising:

  • a) providing an elongated intravascular device havingan elongated shaft with a proximal section and a distal section which is much shorter than the proximal section and which is configured to be advanced though a patient'"'"'s coronary artery,a plurality of sensing electrodes longitudinally disposed along the distal section of the intravascular device,a plurality of electrical conductors which are connected to the sensing electrodes and which extend from said electrodes to which they are connected to a proximal section of the intravascular device,a releasable occluding member secured to the distal section;

    b) advancing the elongated intravascular device through the patient'"'"'s vasculature until the distal section of the intravascular device is disposed at a desired location within the patient'"'"'s coronary arterial system;

    c) locating the arrythmogenic site by detecting electrical activity of the patient'"'"'s heart by means of the electrodes on the distal section of the intravascular device; and

    d) releasing the occluding member within an arterial passageway of the patient'"'"'s coronary arterial system so as to form thrombus and thereby occlude the coronary artery leading to the arrhythmogenic site to thereby terminate the arrhythmia.

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