WO2007024785A3 - Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation - Google Patents

Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation Download PDF

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Publication number
WO2007024785A3
WO2007024785A3 PCT/US2006/032615 US2006032615W WO2007024785A3 WO 2007024785 A3 WO2007024785 A3 WO 2007024785A3 US 2006032615 W US2006032615 W US 2006032615W WO 2007024785 A3 WO2007024785 A3 WO 2007024785A3
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WO
WIPO (PCT)
Prior art keywords
internal
treatment
catheters
electrode
lumen
Prior art date
Application number
PCT/US2006/032615
Other languages
French (fr)
Other versions
WO2007024785A2 (en
Inventor
Saurav Paul
Kedar Ravindra Belhe
Original Assignee
St Jude Medical Atrial Fibrill
Saurav Paul
Kedar Ravindra Belhe
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Jude Medical Atrial Fibrill, Saurav Paul, Kedar Ravindra Belhe filed Critical St Jude Medical Atrial Fibrill
Priority to CA2618538A priority Critical patent/CA2618538C/en
Priority to EP06789901A priority patent/EP1916956A4/en
Priority to JP2008528041A priority patent/JP4928551B2/en
Priority to AU2006283507A priority patent/AU2006283507B2/en
Priority to BRPI0615484-0A priority patent/BRPI0615484A2/en
Publication of WO2007024785A2 publication Critical patent/WO2007024785A2/en
Priority to IL189066A priority patent/IL189066A/en
Publication of WO2007024785A3 publication Critical patent/WO2007024785A3/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1467Probes or electrodes therefor using more than two electrodes on a single probe
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1472Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002Irrigation

Abstract

Multipolar, multi lumen, virtual-electrode catheters (10I) and methods for treatment (e.g., treatment of cardiac arrhythmias) with such catheters (10I) are disclosed. The catheters (10I) have at least two internal lumens (14, 16), and at least one internal, flexible electrode (18) rides in each internal lumen. The flexible electrodes (18) carry treatment energy (e.g., radiofrequency energy). The energy exits the catheters (10I) via at least one exit feature (e.g., slots, portholes (26), or micro pores). The methods for treatment include operating the catheters (10I) in different modes depending upon location and type of treatment to be performed. The treatment energy delivered by one of the internal, flexible electrodes (18) may be directed to the other internal, flexible electrode (20); or the energy delivered by one or both of the internal, flexible electrodes (18, 20) may be directed to one or more surface electrodes (22).
PCT/US2006/032615 2005-08-22 2006-08-21 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation WO2007024785A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2618538A CA2618538C (en) 2005-08-22 2006-08-21 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation
EP06789901A EP1916956A4 (en) 2005-08-22 2006-08-21 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation
JP2008528041A JP4928551B2 (en) 2005-08-22 2006-08-21 Multipolar multi-lumen virtual electrode catheter having at least one surface electrode and ablation method
AU2006283507A AU2006283507B2 (en) 2005-08-22 2006-08-21 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation
BRPI0615484-0A BRPI0615484A2 (en) 2005-08-22 2006-08-21 multipolar multi-lumen virtual electrode catheter with at least one surface electrode and method for ablation
IL189066A IL189066A (en) 2005-08-22 2008-01-28 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/209,024 2005-08-22
US11/209,024 US7416552B2 (en) 2005-08-22 2005-08-22 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation

Publications (2)

Publication Number Publication Date
WO2007024785A2 WO2007024785A2 (en) 2007-03-01
WO2007024785A3 true WO2007024785A3 (en) 2009-04-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/032615 WO2007024785A2 (en) 2005-08-22 2006-08-21 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation

Country Status (8)

Country Link
US (1) US7416552B2 (en)
EP (1) EP1916956A4 (en)
JP (1) JP4928551B2 (en)
AU (1) AU2006283507B2 (en)
BR (1) BRPI0615484A2 (en)
CA (1) CA2618538C (en)
IL (1) IL189066A (en)
WO (1) WO2007024785A2 (en)

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AU2006283507A1 (en) 2007-03-01
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IL189066A (en) 2011-04-28
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US7416552B2 (en) 2008-08-26
JP4928551B2 (en) 2012-05-09
AU2006283507B2 (en) 2009-03-26
EP1916956A2 (en) 2008-05-07
WO2007024785A2 (en) 2007-03-01
CA2618538C (en) 2011-02-22
US20070078457A1 (en) 2007-04-05
EP1916956A4 (en) 2010-12-01

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