AU2006283507B2 - 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 PDFInfo
- Publication number
- AU2006283507B2 AU2006283507B2 AU2006283507A AU2006283507A AU2006283507B2 AU 2006283507 B2 AU2006283507 B2 AU 2006283507B2 AU 2006283507 A AU2006283507 A AU 2006283507A AU 2006283507 A AU2006283507 A AU 2006283507A AU 2006283507 B2 AU2006283507 B2 AU 2006283507B2
- Authority
- AU
- Australia
- Prior art keywords
- electrode
- internal
- lumen
- catheter
- virtual
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
- 238000002679 ablation Methods 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 27
- 239000012530 fluid Substances 0.000 claims description 101
- 210000001519 tissue Anatomy 0.000 claims description 85
- 230000005684 electric field Effects 0.000 claims description 54
- 230000003902 lesion Effects 0.000 claims description 34
- 239000004020 conductor Substances 0.000 claims description 27
- 239000012809 cooling fluid Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 210000005003 heart tissue Anatomy 0.000 claims description 8
- 238000007674 radiofrequency ablation Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 206010003658 Atrial Fibrillation Diseases 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 206010003119 arrhythmia Diseases 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910001000 nickel titanium Inorganic materials 0.000 description 3
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- 239000000725 suspension Substances 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
- 210000003492 pulmonary vein Anatomy 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details 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
- A61B2218/002—Irrigation
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Applications Claiming Priority (3)
| 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 |
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2006283507A1 AU2006283507A1 (en) | 2007-03-01 |
| AU2006283507B2 true AU2006283507B2 (en) | 2009-03-26 |
Family
ID=37772258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2006283507A Ceased AU2006283507B2 (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 (enExample) |
| EP (1) | EP1916956A4 (enExample) |
| JP (1) | JP4928551B2 (enExample) |
| AU (1) | AU2006283507B2 (enExample) |
| BR (1) | BRPI0615484A2 (enExample) |
| CA (1) | CA2618538C (enExample) |
| IL (1) | IL189066A (enExample) |
| WO (1) | WO2007024785A2 (enExample) |
Families Citing this family (117)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US20080015569A1 (en) | 2005-02-02 | 2008-01-17 | Voyage Medical, Inc. | Methods and apparatus for treatment of atrial fibrillation |
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- 2006-08-21 CA CA2618538A patent/CA2618538C/en not_active Expired - Fee Related
- 2006-08-21 EP EP06789901A patent/EP1916956A4/en not_active Withdrawn
- 2006-08-21 WO PCT/US2006/032615 patent/WO2007024785A2/en not_active Ceased
- 2006-08-21 BR BRPI0615484-0A patent/BRPI0615484A2/pt not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0615484A2 (pt) | 2011-05-17 |
| CA2618538C (en) | 2011-02-22 |
| US7416552B2 (en) | 2008-08-26 |
| IL189066A (en) | 2011-04-28 |
| CA2618538A1 (en) | 2007-03-01 |
| US20070078457A1 (en) | 2007-04-05 |
| IL189066A0 (en) | 2008-08-07 |
| AU2006283507A1 (en) | 2007-03-01 |
| EP1916956A4 (en) | 2010-12-01 |
| JP2009504364A (ja) | 2009-02-05 |
| WO2007024785A2 (en) | 2007-03-01 |
| JP4928551B2 (ja) | 2012-05-09 |
| WO2007024785A3 (en) | 2009-04-23 |
| EP1916956A2 (en) | 2008-05-07 |
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