JP7080949B2 - 面内の線形電極部分を有する閉じたループアレイを有するカテーテル - Google Patents
面内の線形電極部分を有する閉じたループアレイを有するカテーテル Download PDFInfo
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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- A61B2018/00577—Ablation
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- 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
- A61B2018/1405—Electrodes having a specific shape
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Description
(1) カテーテルであって、
細長いカテーテル本体と、
複数のオフセットしたスパインループを備える遠位電極アレイとを備え、それぞれのスパインループが、少なくとも一対の電極保持部分と、前記一対の電極保持部分を接続する遠位部分とを有し、前記複数のオフセットしたスパインループの前記電極保持部分が、1つの共通の面の面内に並び、前記複数のオフセットしたスパインループの前記遠位部分は、前記1つの共通の面から面外に並ぶ、カテーテル。
(2) 前記複数のオフセットしたスパインループの前記電極保持部分が線形である、実施態様1に記載のカテーテル。
(3) 前記複数のオフセットしたスパインループの前記電極保持部分は、互いに平行である、実施態様2に記載のカテーテル。
(4) 前記遠位部分が非線形である、実施態様1に記載のカテーテル。
(5) それぞれのスパインループの少なくとも1つの電極保持部分は、1つ又は2つ以上の異なるスパインループの電極保持部分の間に配置されている、実施態様1に記載のカテーテル。
(7) 隣接するスパインループの遠位部分は、互いに反対側に面外に角度がつけられている、実施態様1に記載のカテーテル。
(8) それぞれの電極保持部分は、1つ又は2つ以上の環状電極を有する、実施態様1に記載のカテーテル。
(9) 前記環状電極は、灌注された環状電極を含む、実施態様8に記載のカテーテル。
(10) カテーテルであって、
細長いカテーテル本体と、
複数のオフセットしたスパインループを備える遠位電極アレイであって、それぞれのスパインループが、少なくとも一対の線形部分と、この一対の線形部分を接続する遠位部分とを有する、遠位電極アレイと、
それぞれの線形部分の上にある1つ又は2つ以上の電極とを備え、
前記複数のオフセットしたスパインループの前記線形部分は、1つの共通の面の面内に並び、前記複数のオフセットしたスパインループの前記遠位部分が、前記1つの共通の面から面外に並ぶ、カテーテル。
(12) 前記遠位部分が非線形である、実施態様10に記載のカテーテル。
(13) それぞれのスパインループの少なくとも1つの線形部分は、1つ又は2つ以上の異なるスパインループの線形部分の間に配置されている、実施態様10に記載のカテーテル。
(14) それぞれのスパインループの前記一対の線形部分は、異なるスパインループの少なくとも線形部分によって隔てられている、実施態様10に記載のカテーテル。
(15) 隣接するスパインループの遠位部分は、互いに反対側に面外に角度がつけられている、実施態様10に記載のカテーテル。
(17) 少なくとも2つの隣接する線形部分の間に延びる1つ又は2つ以上の空間部材をさらに含む、実施態様10に記載のカテーテル。
(18) 前記複数のオフセットしたスパインループが、約2~4個の範囲である、実施態様10に記載のカテーテル。
(19) それぞれのスパインループは、細長い形状記憶部材を含む、実施態様10に記載のカテーテル。
(20) カテーテルであって、
細長いカテーテル本体と、
複数のオフセットしたスパインループを含む遠位電極アレイであって、それぞれのスパインループが少なくとも一対の線形部分を有する、遠位電極アレイと、
それぞれの線形部分の上にある1つ又は2つ以上の電極と、
少なくとも2つの隣接する線形部分の間に延びる1つ又は2つ以上の空間部材とを備え、
前記複数のオフセットしたスパインループの前記線形部分は、1つの共通の面の面内に並び、前記複数のオフセットしたスパインループの遠位部分が、前記1つの共通の面から面外に並ぶ、カテーテル。
Claims (4)
- マッピングシステムであって、
カテーテルと、制御ハンドルと、を備え、
前記カテーテルは、遠位端を有する細長いカテーテル本体と、前記カテーテル本体の前記遠位端における遠位電極アレイと、を備え、
前記遠位電極アレイは、第1のスパインループと、前記第1のスパインループ上の複数の電極と、第2のスパインループと、前記第2のスパインループ上の複数の電極と、を備え、
前記第1のスパインループは、前記遠位端から延在し、前記第1のスパインループは、遠位非線形接続部分と、一対の線形の主要な電極保持部分と、一対の線形近位支持部分と、を備え、前記一対の線形の主要な電極保持部分は、互いに平行であり、1つの共通の面内に配置され、前記一対の線形の主要な電極保持部分の各々は、長さを有し、
前記第1のスパインループ上の前記複数の電極は、前記第1のスパインループの前記一対の線形の主要な電極保持部分上に置かれており、
前記一対の線形の主要な電極保持部分は、互いに、1mm~20mmの空間をおいて配置されており、前記複数の電極は、互いに、前記一対の線形の主要な電極保持部分の各々の前記長さに沿って、0.5mm~12mmの間隔をおいて配置されており、
前記第2のスパインループは、前記遠位端から延在し、前記第2のスパインループは、遠位非線形接続部分と、一対の線形の主要な電極保持部分と、一対の線形近位支持部分と、を備え、前記一対の線形の主要な電極保持部分は、互いに平行であり、前記1つの共通の面内に配置され、前記一対の線形の主要な電極保持部分の各々は、長さを有し、
前記第2のスパインループ上の前記複数の電極は、前記第2のスパインループの前記一対の線形の主要な電極保持部分上に置かれており、
前記制御ハンドルは、前記第1のスパインループおよび前記第2のスパインループ上の前記複数の電極と電気的に接続されており、
前記マッピングシステムは、前記遠位電極アレイを視覚化することができ、
前記第1のスパインループの前記一対の線形の主要な電極保持部分の間に、前記第2のスパインループの前記一対の線形の主要な電極保持部分のうちの1つが位置づけられ、隣接する前記第1のスパインループの前記一対の線形の主要な電極保持部分のうちの1つと、前記第2のスパインループの前記一対の線形の主要な電極保持部分のうちの1つとの間の距離が均一である、マッピングシステム。 - 前記第1のスパインループおよび前記第2のスパインループの各々の上の前記複数の電極は、前記第1のスパインループおよび前記第2のスパインループの前記一対の線形の主要な電極保持部分の各々の前記長さに沿って、前記第1のスパインループおよび前記第2のスパインループの前記一対の線形の主要な電極保持部分の各々に渡って、均一な間隔を置いて配置されている、請求項1に記載のマッピングシステム。
- 前記第1のスパインループの前記一対の線形の主要な電極保持部分は、前記第2のスパインループの前記一対の線形の主要な電極保持部分と平行である、請求項1に記載のマッピングシステム。
- 前記第1のスパインループにおける遠位非線形接続部分と、前記第2のスパインループにおける遠位非線形接続部分とが前記共通の面外に互いに反対方向に角度がついている、請求項1に記載のマッピングシステム。
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US14/754,553 US10537259B2 (en) | 2015-06-29 | 2015-06-29 | Catheter having closed loop array with in-plane linear electrode portion |
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EP (3) | EP3111872B1 (ja) |
JP (3) | JP6776021B2 (ja) |
CN (1) | CN106264715B (ja) |
AU (1) | AU2016204351A1 (ja) |
CA (1) | CA2934214A1 (ja) |
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IL246414B (en) | 2019-12-31 |
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