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Title:
CATHETER PERFORMING PHOTODYNAMIC ABLATION OF CARDIAC MUSCLE TISSUE BY PHOTOCHEMICAL REACTION
Document Type and Number:
WIPO Patent Application WO/2011/105631
Kind Code:
A1
Abstract:
Disclosed are a catheter and a method for blocking abnormal conduction in cardiac muscle or treating arrhythmia by means of photodynamic therapy, of which therapeutic effects can be evaluated and determined. Specifically disclosed is a catheter for performing photodynamic ablation of cardiac muscle tissue by photochemical reaction having a bendable end used in blood vessels or in the heart lumen, which comprises a light emitting window for emitting a light beam transmitted through an optical fiber onto a target region of cardiac muscle tissue and at least two electrodes for potential measurement disposed at the periphery of the light emitting window.

Inventors:
ARAI TSUNENORI (JP)
ITO ARISA (JP)
Application Number:
PCT/JP2011/055004
Publication Date:
September 01, 2011
Filing Date:
February 25, 2011
Export Citation:
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Assignee:
UNIV KEIO (JP)
ARAI TSUNENORI (JP)
ITO ARISA (JP)
International Classes:
A61B18/20; A61N5/06
Domestic Patent References:
WO2008066206A12008-06-05
WO2008066206A12008-06-05
Foreign References:
JP2009537024A2009-10-22
JPH11332876A1999-12-07
JP4348338B22009-10-21
JP2009018176A2009-01-29
JP2008148951A2008-07-03
JP3675482B22005-07-27
JP2003518395A2003-06-10
JP2004130095A2004-04-30
JP2961074B21999-10-12
JPH0753733B21995-06-07
US20020095197A12002-07-18
JPH0680671A1994-03-22
Other References:
CARLO PAPPONE ET AL., CIRCULATION, vol. 102, 2000, pages 2619 - 2628
MATHANIEL M. FRIED ET AL., LASERS IN SURGERY AND MEDICINE, vol. 28, 2001, pages 197 - 203
KAZUSHI TANAKA ET AL., JOURNAL OF AMERICAN COLLEGE OF CARDIOLOGY, vol. 38, no. 7, December 2001 (2001-12-01), pages 2079 - 2086
WALID SALIBA ET AL., JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, vol. 13, no. 10, October 2002 (2002-10-01), pages 957 - 961
"Guidelines for Diagnosis and Treatment of Cardiovascular Diseases, Guidelines for Non-Pharmacotherapy of Cardiac Arrhythmias", JPN. CIRCULATION J, vol. 65, no. V, 2001, pages 1127
J. M. VANDERKOOI ET AL., JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 262, no. 12, 25 April 1987 (1987-04-25), pages 5476 - 5482
"Experimental Chemistry Course (Spectroscopy II", 1998, pages: 275 - 194
LICHINI, M. ET AL., CHEM. COMMUN., vol. 19, 1999, pages 1943 - 1944
See also references of EP 2540247A4
Attorney, Agent or Firm:
HIRAKI, Yusuke et al. (JP)
Yusuke Hiraki (JP)
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Claims: