JP6342159B2 - 非アブレーション要素上での冷却を伴うカテーテル - Google Patents
非アブレーション要素上での冷却を伴うカテーテル Download PDFInfo
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- JP6342159B2 JP6342159B2 JP2013272018A JP2013272018A JP6342159B2 JP 6342159 B2 JP6342159 B2 JP 6342159B2 JP 2013272018 A JP2013272018 A JP 2013272018A JP 2013272018 A JP2013272018 A JP 2013272018A JP 6342159 B2 JP6342159 B2 JP 6342159B2
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
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- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
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Images
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
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- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
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- A—HUMAN NECESSITIES
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- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
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- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00029—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/00357—Endocardium
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- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
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- 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
- A61B2018/00636—Sensing and controlling the application of energy
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- A61B2018/00791—Temperature
- A61B2018/00821—Temperature measured by a thermocouple
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- 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
- A61B2018/147—Electrodes transferring energy by capacitive coupling, i.e. with a dielectricum between electrode and target tissue
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
- A61M2025/015—Details of the distal fixation of the movable mechanical means
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Cardiology (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)
- Media Introduction/Drainage Providing Device (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
(1) カテーテルであって、
細長いカテーテル本体と、
前記カテーテル本体から遠位の先端電極であって、前記先端電極が、
近位首部分及び遠位チャンバを有するシェルと、
近位部分及び遠位部分を有する支持部材であって、前記近位部分が、前記シェルの前記首部分に挿入され、前記遠位部分が、前記シェルの前記チャンバ内に延在し、前記近位部分が、流体貫通孔を有する、支持部材と、
前記シェルの前記首部分と前記支持部材の前記近位部分との間に設けられて、前記流体貫通孔と前記チャンバとの間に流体通路を画定する、流体チャネルと、を含む、先端電極と、を含む、カテーテル。
(2) 前記支持部材の前記遠位部分に少なくとも部分的に収容される位置センサを更に含む、実施態様1に記載のカテーテル。
(3) 前記流体チャネルが、前記支持部材の前記遠位部分の外側表面上に形成される、実施態様1に記載のカテーテル。
(4) 前記流体チャネルが、前記外側表面上に螺旋パターンを有する、実施態様3に記載のカテーテル。
(5) 前記流体チャネルが、軸方向枝部及び半径方向枝部(axial and radial branches)を有する、実施態様3に記載のカテーテル。
(7) 前記螺旋パターンが、前記支持部材の前記遠位部分の長さに沿って少なくとも約720度延在する、実施態様4に記載のカテーテル。
(8) 前記螺旋パターンが、前記支持部材の前記遠位部分の長さに沿って少なくとも約1080度延在する、実施態様4に記載のカテーテル。
(9) 前記支持部材の前記近位部分が貫通孔を含み、前記チャネルが、前記貫通孔と連通している近位開口部、及び前記チャンバと連通している遠位開口部を有する、実施態様1に記載のカテーテル。
(10) 前記シェルが、前記チャンバ内の流体が前記チャンバの外側に流れるのを可能にするための流体ポートを有して形成されたシェル壁を有する、実施態様1に記載のカテーテル。
細長いカテーテル本体と、
前記カテーテル本体から遠位の先端電極であって、前記先端電極が、
遠位チャンバ及び近位首部分を有するシェルと、
近位部分及び遠位部分を有する支持部材であって、前記近位部分が前記首部分に挿入され、前記遠位部分が前記チャンバ内に延在し、前記近位部分が流体貫通孔を有し、前記遠位部分が、前記シェルの前記首部分の内側表面に面する外側表面、及び前記流体貫通孔と前記チャンバとの間に流体通路を提供する、前記外側表面上に形成されたチャネル、を有する、支持部材と、を含む、先端電極と、を含み、
前記首部分の前記内側表面が、前記流体通路を通る流体に曝露されるように適合されている、カテーテル。
(12) 前記支持部材の前記遠位部分に少なくとも部分的に収容される位置センサを更に含む、実施態様11に記載のカテーテル。
(13) 前記流体チャネルが、前記外側表面上に螺旋パターンを有する、実施態様11に記載のカテーテル。
(14) 前記流体チャネルが、軸方向枝部及び半径方向枝部を有する、実施態様11に記載のカテーテル。
(15) 前記螺旋パターンが、前記支持部材の前記遠位部分の長さに沿って少なくとも約360度延在する、実施態様13に記載のカテーテル。
(17) 前記螺旋パターンが、前記支持部材の前記遠位部分の長さに沿って少なくとも約1080度延在する、実施態様13に記載のカテーテル。
(18) 前記支持部材の前記近位部分が貫通孔を含み、前記チャネルが、前記貫通孔と連通している近位開口部、及び前記チャンバと連通している遠位開口部を有する、実施態様11に記載のカテーテル。
(19) 前記カテーテルが、コネクタ管を更に有し、その遠位部分が前記首部分を覆い、前記首部分及び前記コネクタ管の前記遠位部分が、整列された潅注ポートを有し、前記整列された潅注ポートが、潅注流体が前記チャネルから前記先端電極の外に通過することを可能にして前記コネクタ管の外側表面を冷却するように構成される、実施態様11に記載のカテーテル。
Claims (10)
- カテーテルであって、
細長いカテーテル本体と、
前記カテーテル本体から遠位の先端電極であって、前記先端電極が、
近位首部分及び遠位チャンバを有するシェルと、
近位部分及び遠位部分を有する支持部材であって、前記近位部分が、前記シェルの前記首部分に挿入され、前記遠位部分が、前記シェルの前記チャンバ内に延在し、前記近位部分が、流体貫通孔を有する、支持部材と、
前記シェルの前記首部分と前記支持部材の前記近位部分との間に設けられて、前記流体貫通孔と前記チャンバとの間に流体通路を画定する、流体チャネルと、を含み、
前記流体チャネルが、軸方向枝部、近位半径方向枝部、及び、遠位半径方向枝部を有し、前記軸方向枝部は、前記近位半径方向枝部および前記遠位半径方向枝部と連通している、先端電極と、を含む、カテーテル。 - 前記支持部材の前記遠位部分に少なくとも部分的に収容される位置センサを更に含む、請求項1に記載のカテーテル。
- 前記流体チャネルが、前記支持部材の前記遠位部分の外側表面上に形成される、請求項1に記載のカテーテル。
- 前記流体チャネルが、前記近位半径方向枝部と連通しており、前記遠位半径方向枝部と連通していない、第2の軸方向枝部を有する、請求項1に記載のカテーテル。
- 前記支持部材の前記近位部分が貫通孔を含み、前記チャネルが、前記貫通孔と連通している近位開口部、及び前記チャンバと連通している遠位開口部を有する、請求項1に記載のカテーテル。
- 前記シェルが、前記チャンバ内の流体が前記チャンバの外側に流れるのを可能にするための流体ポートを有して形成されたシェル壁を有する、請求項1に記載のカテーテル。
- 前記支持部材の前記遠位部分が、前記シェルの前記首部分の内側表面に面する外側表面を有し、
前記首部分の前記内側表面が、前記流体通路を通る流体に曝露されるように適合されている、請求項1に記載のカテーテル。 - 前記支持部材の前記遠位部分に少なくとも部分的に収容される位置センサを更に含む、請求項7に記載のカテーテル。
- 前記支持部材の前記近位部分が貫通孔を含み、前記チャネルが、前記貫通孔と連通している近位開口部、及び前記チャンバと連通している遠位開口部を有する、請求項7に記載のカテーテル。
- 前記カテーテルが、コネクタ管を更に有し、その遠位部分が前記首部分を覆い、前記首部分及び前記コネクタ管の前記遠位部分が、整列された潅注ポートを有し、前記整列された潅注ポートが、潅注流体が前記チャネルから前記先端電極の外に通過することを可能にして前記コネクタ管の外側表面を冷却するように構成される、請求項7に記載のカテーテル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/732,297 | 2012-12-31 | ||
US13/732,297 US9144460B2 (en) | 2012-12-31 | 2012-12-31 | Catheter with direct cooling on nonablating element |
Publications (2)
Publication Number | Publication Date |
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JP2014128679A JP2014128679A (ja) | 2014-07-10 |
JP6342159B2 true JP6342159B2 (ja) | 2018-06-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2013272018A Active JP6342159B2 (ja) | 2012-12-31 | 2013-12-27 | 非アブレーション要素上での冷却を伴うカテーテル |
Country Status (9)
Country | Link |
---|---|
US (3) | US9144460B2 (ja) |
EP (2) | EP2749242B1 (ja) |
JP (1) | JP6342159B2 (ja) |
CN (1) | CN103908335B (ja) |
AU (1) | AU2013273698B2 (ja) |
CA (1) | CA2838169A1 (ja) |
ES (1) | ES2745698T3 (ja) |
IL (1) | IL230130A (ja) |
RU (1) | RU2674887C2 (ja) |
Families Citing this family (9)
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---|---|---|---|---|
US9144460B2 (en) * | 2012-12-31 | 2015-09-29 | Biosense Webster (Israel) Ltd. | Catheter with direct cooling on nonablating element |
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CN103908335B (zh) | 2018-08-10 |
CA2838169A1 (en) | 2014-06-30 |
US9144460B2 (en) | 2015-09-29 |
EP3539496A1 (en) | 2019-09-18 |
US20170296267A1 (en) | 2017-10-19 |
US20160008064A1 (en) | 2016-01-14 |
EP3539496B1 (en) | 2021-12-15 |
JP2014128679A (ja) | 2014-07-10 |
EP2749242A1 (en) | 2014-07-02 |
ES2745698T3 (es) | 2020-03-03 |
RU2674887C2 (ru) | 2018-12-13 |
RU2013158383A (ru) | 2015-07-10 |
US10709498B2 (en) | 2020-07-14 |
IL230130A0 (en) | 2014-03-31 |
CN103908335A (zh) | 2014-07-09 |
US9693822B2 (en) | 2017-07-04 |
EP2749242B1 (en) | 2019-07-03 |
AU2013273698B2 (en) | 2018-07-19 |
IL230130A (en) | 2017-05-29 |
US20140188104A1 (en) | 2014-07-03 |
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