JP2014526284A - ショック用コイルに対して逆巻の内側コイルを含む移植可能な医療機器リード線 - Google Patents
ショック用コイルに対して逆巻の内側コイルを含む移植可能な医療機器リード線 Download PDFInfo
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- JP2014526284A JP2014526284A JP2014528709A JP2014528709A JP2014526284A JP 2014526284 A JP2014526284 A JP 2014526284A JP 2014528709 A JP2014528709 A JP 2014528709A JP 2014528709 A JP2014528709 A JP 2014528709A JP 2014526284 A JP2014526284 A JP 2014526284A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
- A61N1/0563—Transvascular endocardial electrode systems specially adapted for defibrillation or cardioversion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
- A61N1/086—Magnetic resonance imaging [MRI] compatible leads
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Radiology & Medical Imaging (AREA)
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- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
Description
例3において、例1または例2に記載の医療機器リード線は、内側導体が内側導体の遠位端で1つ以上のペーシング/検知電極に連結される。
例5において、例1乃至4のいずれかに記載の医療機器リードは、1つ以上のコイルのうちの少なくとも1つが単一ファイラーである。
例8において、例6または例7に記載の医療機器リード線は、第1の内側伝導コイルが単一ファイラーである。
例10において、例6乃至9のいずれかに記載の医療機器リード線は、MRI環境における第1の電極の温度上昇が約3.0℃未満である。
例13において、例6乃至12のいずれかに記載の医療機器リード線は、第2の遠位側電極が環状電極である。
例16において、例14または例15に記載の医療機器は、内側伝導コイルアセンブリが内側伝導コイルアセンブリの遠位端で1つ以上のペーシング/検知電極に連結される。
例18において、例14乃至17のいずれかに記載の医療機器は、MRI環境における1つ以上のペーシング/検知電極のそれぞれの温度上昇が約3.0℃未満である。
例20において、例14乃至19のいずれかに記載の医療機器は、1つ以上のコイルのうちの少なくとも1つが単一ファイラーである。
Claims (20)
- パルス発生器にリード線を連結するように構成された近位側コネクタと、
同近位側コネクタから遠位側に延びる絶縁リード体と、
近位端で前記近位側コネクタに連結されるとともに前記リード体を通って延びる内側導体と、
近位端で前記近位側コネクタに連結されるとともに前記リード体を通って延びる1本以上のケーブル導線と、
各々が前記1本以上のケーブル導線のうちの対応する1本の遠位端に連結される1つ以上の除細動コイル電極と、を備え、同1つ以上の除細動コイル電極は、各々が前記内側導体の周囲に配置されるとともに前記内側導体から電気的に絶縁され、前記1つ以上の除細動コイル電極は各々が第1の巻回方向を有し、前記内側導体は該第1の巻回方向とは反対の第2の巻回方向を有することを特徴とする医療機器リード線。 - 1つ以上の除細動コイルは絶縁層によって前記内側導体から絶縁されることを特徴とする請求項1に記載の医療機器リード線。
- 前記内側導体は同内側導体の遠位端で1つ以上のペース/検知電極に連結されることを特徴とする請求項1に記載の医療機器リード線。
- 前記内側導体は1つ以上のコイルからなることを特徴とする請求項1に記載の医療機器リード線。
- 前記1つ以上のコイルのうちの少なくとも1つは単一ファイラーであることを特徴とする請求項4に記載の医療機器リード線。
- 第1の遠位側電極と、
同第1の遠位側電極に電気的に連結される遠位端を有する第1の内側伝導コイルと、
ケーブル導線と、
同ケーブル導線の遠位端に連結された除細動コイル電極と、を備え、同除細動コイルは前記第1の内側伝導コイルに対して平行であるとともに前記第1の内側伝導コイルから電気的に絶縁され、前記除細動コイルは第1の巻回方向を有し、前記第1の内側伝導コイルは前記第1の巻回方向とは反対の第2の巻回方向を有することを特徴とする医療機器リード線。 - 前記除細動コイル電極は絶縁層によって前記第1の内側伝導コイルから絶縁されることを特徴とする請求項6に記載の医療機器リード線。
- 前記第1の内側伝導コイルは単一ファイラーであることを特徴とする請求項6に記載の医療機器リード線。
- 前記第1の遠位側電極はチップ電極であることを特徴とする請求項6に記載の医療機器リード線。
- MRI環境における前記第1の電極の温度上昇は約3.0℃未満であることを特徴とする請求項6に記載の医療機器リード線。
- 第2の遠位側電極と、
同第2の遠位側電極に電気的に連結される遠位端を有する第2の内側伝導コイルと、をさらに備え、同第2の内側伝導コイルは第2の巻回方向を有することを特徴とする請求項6に記載の医療機器リード線。 - 前記第2の内側伝導コイルは単一ファイラーであることを特徴とする請求項11に記載の医療機器リード線。
- 前記第2の遠位側電極は環状電極であることを特徴とする請求項11に記載の医療機器リード線。
- パルス発生器と、
リード線と、を備え、同リード線は、
前記パルス発生器に該リード線を連結するように構成された近位側コネクタと、
同近位側コネクタから遠位側に延びる絶縁リード体と、
近位端で前記近位側コネクタに連結されるとともに前記リード体を通って延びる内側伝導コイルアセンブリと、
近位端で前記近位側コネクタに連結されるとともに前記リード体を通って延びる1本以上のケーブル導線と、
前記1本以上のケーブル導線の遠位端に連結される1つ以上の除細動コイル電極と、を含み、同1つ以上の除細動コイル電極は、前記内側伝導コイルと平行であるとともに前記内側伝導コイルから電気的に絶縁され、前記1つ以上の除細動コイル電極は第1の巻回方向を有し、前記内側伝導コイルは該第1の巻回方向とは反対の第2の巻回方向を有することを特徴とする医療機器。 - 前記1つ以上の除細動コイルが絶縁層によって前記内側伝導コイルアセンブリから絶縁されることを特徴とする請求項14に記載の医療機器。
- 前記内側伝導コイルアセンブリは同内側伝導コイルアセンブリの遠位端で1つ以上のペーシング/検知電極に連結されることを特徴とする請求項14に記載の医療機器。
- 前記1つ以上のペーシング/検知電極はチップ電極からなることを特徴とする請求項16に記載の医療機器。
- MRI環境における前記1つ以上のペーシング/検知電極のそれぞれの温度上昇は約3.0℃未満であることを特徴とする請求項16に記載の医療機器。
- 前記内側伝導コイルアセンブリは1つ以上のコイルからなることを特徴とする請求項14に記載の医療機器。
- 前記1つ以上のコイルのうちの少なくとも1つは単一ファイラーであることを特徴とする請求項19に記載の医療機器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201161555701P | 2011-11-04 | 2011-11-04 | |
US61/555,701 | 2011-11-04 | ||
PCT/US2012/055673 WO2013066505A1 (en) | 2011-11-04 | 2012-09-15 | Implantable medical device lead including inner coil reverse-wound relative to shocking coil |
Publications (2)
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JP2014526284A true JP2014526284A (ja) | 2014-10-06 |
JP5844467B2 JP5844467B2 (ja) | 2016-01-20 |
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JP2014528709A Expired - Fee Related JP5844467B2 (ja) | 2011-11-04 | 2012-09-15 | ショック用コイルに対して逆巻の内側コイルを含む移植可能な医療機器リード線 |
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US (1) | US8666512B2 (ja) |
EP (1) | EP2773422B1 (ja) |
JP (1) | JP5844467B2 (ja) |
AU (1) | AU2012333113B2 (ja) |
WO (1) | WO2013066505A1 (ja) |
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AU2012333113B2 (en) | 2014-11-20 |
WO2013066505A1 (en) | 2013-05-10 |
EP2773422B1 (en) | 2015-11-04 |
US8666512B2 (en) | 2014-03-04 |
US20130116764A1 (en) | 2013-05-09 |
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