METHODS AND APPARATUS EMPLOYING IONIZING RADIATION FOR TREATMENT OF CARDIAC ARRHYTHMIA

Title:

METHODS AND APPARATUS EMPLOYING IONIZING RADIATION FOR TREATMENT OF CARDIAC ARRHYTHMIA

Document Type and Number:

WIPO Patent Application WO2003026480

Kind Code:

A3

Abstract:

Method and apparatus (20) employing ionizing radiation for forming lines of ablation or lesions in cardiac tissue to treat atrial fibrillation or other electrophysiological problems with the heart. The apparatus (20) may include a catheter (20) in which a radiation source (42) is advanced hydraulically after the catheter (20) is in place within the heart. Various fixation devices (72) are also disclosed for fixing the location of the catheter (20) within the heart.

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Inventors:

BONAN RAOUL
LARSEN CHARLES E
TRIP ROELOF
SCHUMER DOUGLAS B
GRIFFIS JACK C III
LEROHL ANDREW L

Application Number:

PCT/US2002/030159

Publication Date:

May 22, 2003

Filing Date:

September 23, 2002

Export Citation:

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Assignee:

NOVOSTE CORP (US)

International Classes:

A61M25/01; A61M36/04; A61N5/10; A61M25/00; (IPC1-7): A61N5/00; A61M37/00

Foreign References:

US5683345A	1997-11-04
US6413204B1	2002-07-02
US5484384A	1996-01-16
US6120476A	2000-09-19

Other References: