JP6704989B2 - 空洞組織アブレーション - Google Patents
空洞組織アブレーション Download PDFInfo
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Description
本願は、2015年4月29日に出願された米国仮出願第62/154,377号の利益およびそれに対する優先権を主張するものであり、該米国仮出願の内容は、その全体が参照により本明細書中に援用される。
本開示は、概して、医療デバイスに関し、より具体的には、組織空洞に送達され、組織空洞を包囲する周縁組織をアブレーションするように構成される、展開可能アプリケータヘッドを有する、組織アブレーションデバイスに関する。
本発明は、例えば、以下を提供する。
(項目1)
組織アブレーションデバイスであって、
近位端および遠位端を有する非伝導性伸長シャフトならびにそれを通して延在する少なくとも1つの管腔を備える、プローブと、
上記プローブの遠位端に結合される、拡張可能バルーンアセンブリであって、上記拡張可能バルーンアセンブリは、
内部表面と、その中に画定され、上記プローブの少なくとも1つの管腔と流体接続する、管腔とを有する内側バルーン壁を備える、拡張可能内側バルーンであって、上記内側バルーン壁はさらに、その上に画定された不均整表面を有する外部表面を有し、上記内側バルーンは、上記プローブの少なくとも1つの管腔から上記内側バルーンの管腔の中への第1の流体の送達に応答して、拡張構成に膨張するように構成される、拡張可能内側バルーンと、
上記内側バルーンを包囲し、上記内側バルーンの拡張に応答して、拡張構成に遷移するように構成される、拡張可能外側バルーンであって、上記外側バルーンは、内部表面、外部表面、および上記外側バルーンの内部表面と上記内側バルーンの外部表面との間に画定されたチャンバを有する、外側バルーン壁を備え、上記チャンバは、上記プローブの少なくとも1つの管腔と流体接続し、上記外側バルーン壁はさらに、上記プローブの少なくとも1つの管腔から上記チャンバの中への上記第2の流体の送達に応じて、上記チャンバから上記外側バルーンの外部表面への第2の流体の通過を可能にするように構成される、複数の穿孔を備える、拡張可能外側バルーンと、
を備える、拡張可能バルーンアセンブリと、
上記内側バルーン壁の外部表面と上記外側バルーン壁の内部表面との間の上記チャンバ内に位置付けられる複数の伝導性ワイヤを備える、電極アレイであって、上記複数の伝導性ワイヤはそれぞれ、標的組織のアブレーションのために、上記外側バルーン壁の内部表面から外部表面に上記チャンバ内の流体によって搬送されるエネルギーを伝導するように構成される、電極アレイと、
を備える、組織アブレーションデバイス。
(項目2)
上記複数の伝導性ワイヤはそれぞれ、相互から独立する、項目1に記載の組織アブレーションデバイス。
(項目3)
上記複数の伝導性ワイヤのそれぞれまたは伝導性ワイヤの組み合わせの1つまたはそれを上回るセットは、独立して、電流をエネルギー源から受け取り、独立して、エネルギーを伝導するように構成される、項目2に記載の組織アブレーションデバイス。
(項目4)
上記複数の伝導性ワイヤはそれぞれ、上記電流の受け取りに応じて、エネルギーを伝導するように構成され、上記エネルギーは、RFエネルギーを含む、項目1に記載の組織アブレーションデバイス。
(項目5)
上記複数の伝導性ワイヤはそれぞれ、上記外側バルーン壁の1つまたはそれを上回る関連付けられた穿孔と実質的に整合される、項目1に記載の組織アブレーションデバイス。
(項目6)
上記内側バルーン壁の外部表面上に画定された不均整表面は、複数の隆起を備える、項目1に記載の組織アブレーションデバイス。
(項目7)
上記複数の隆起は、上記内側バルーン壁の外部表面に沿って縦方向に延在する、項目6に記載の組織アブレーションデバイス。
(項目8)
上記複数の隆起は、上記外側バルーン壁の内側表面と接触し、上記内側バルーン壁の残りの外側表面と上記外側バルーン壁の内側表面との間の分離を維持するように構成される、項目7に記載の組織アブレーションデバイス。
(項目9)
上記複数の伝導性ワイヤはそれぞれ、2つの隣接する隆起間に位置付けられる、項目7に記載の組織アブレーションデバイス。
(項目10)
上記外側バルーン壁の複数の穿孔のうちの1つまたはそれを上回るものは、上記複数の伝導性ワイヤのうちの関連付けられた1つと実質的に整合される、項目9に記載の組織アブレーションデバイス。
(項目11)
上記内側バルーン壁の外部表面上に画定された不均整表面は、複数の突出部を備える、項目6に記載の組織アブレーションデバイス。
(項目12)
上記内側バルーンは、上記第1の流体を上記プローブの第1の管腔から受け取るように構成され、上記外側バルーンは、上記第2の流体を上記プローブの第2の管腔から受け取るように構成される、項目1に記載の組織アブレーションデバイス。
(項目13)
上記内側バルーンおよび上記外側バルーンへの上記第1の流体および上記第2の流体の送達は、それぞれ、コントローラを介して、独立して制御可能である、項目12に記載の組織アブレーションデバイス。
(項目14)
上記第1の流体および上記第2の流体は、異なる、項目1に記載の組織アブレーションデバイス。
(項目15)
上記第1の流体および上記第2の流体は、同一である、項目1に記載の組織アブレーションデバイス。
(項目16)
少なくとも上記第2の流体は、伝導性流体である、項目1に記載の組織アブレーションデバイス。
(項目17)
上記内側バルーン壁および上記外側バルーン壁は、非伝導性材料から成る、項目1に記載の組織アブレーションデバイス。
Claims (11)
- 医療デバイスであって、
ハンドルと、
前記ハンドルから延在する拡張可能なバルーンアセンブリであって、前記拡張可能なバルーンアセンブリは、
圧潰構成から拡張構成に遷移するように構成されている拡張可能な内側バルーンであって、外部表面は、複数の隆起を含み、前記複数の隆起は、前記外部表面の上に画定されており、かつ、前記内側バルーンおよび前記ハンドルの長手方向軸に沿って配向されている、拡張可能な内側バルーンと、
前記内側バルーンの拡張に応答して、圧潰構成から拡張構成に対応して遷移するように構成されている拡張可能な外側バルーンと、
複数のチャンバであって、各チャンバは、前記外側バルーンの内部表面と前記内側バルーンの外部表面と一対の隣接する隆起との間に画定されており、前記外側バルーンは、前記複数のチャンバから前記外側バルーンの外部表面への第2の流体の通過を可能にするように構成されている複数の穿孔をさらに含む、複数のチャンバと
を含む、拡張可能なバルーンアセンブリと、
複数の伝導性ワイヤであって、前記複数の伝導性ワイヤのそれぞれは、前記複数のチャンバの個別のそれぞれ1つ内に位置付けられている、複数の伝導性ワイヤと
を備える、医療デバイス。 - 前記複数の伝導性ワイヤのそれぞれまたは伝導性ワイヤの組み合わせの1つ以上のセットは、エネルギー源から電流を受け取り、エネルギーを伝導するように構成されている、請求項1に記載の医療デバイス。
- 前記複数の伝導性ワイヤのそれぞれは、電流を受け取ると、エネルギーを伝導するように構成されており、前記エネルギーは、RFエネルギーを含む、請求項1に記載の医療デバイス。
- 前記複数の伝導性ワイヤのそれぞれは、前記外側バルーンの1つ以上の関連付けられた穿孔と実質的に整合されている、請求項1に記載の医療デバイス。
- 前記外側バルーンは、前記内側バルーンを包囲し、前記外側バルーンの前記内部表面は、前記内側バルーンの前記外部表面の前記複数の隆起のそれぞれと接触している、請求項1に記載の医療デバイス。
- 前記ハンドルを通って延在する第1の流体ラインおよび第2の流体ラインをさらに備え、前記内側バルーンは、前記第1の流体ラインと流体接続し、かつ、前記第1の流体ラインからの第1の流体の送達に応答して、前記圧潰構成から前記拡張構成に遷移するように構成されており、各チャンバは、前記第2の流体ラインと流体接続し、かつ、前記第2の流体を前記第2の流体ラインから受け取るように構成されている、請求項1に記載の医療デバイス。
- 前記内側バルーンおよび前記外側バルーンへの前記第1の流体および前記第2の流体の送達は、それぞれ、コントローラを介して、独立して制御可能である、請求項6に記載の医療デバイス。
- 前記第1の流体および前記第2の流体は、異なる、請求項6に記載の医療デバイス。
- 前記第1の流体および前記第2の流体は、同一である、請求項6に記載の医療デバイス。
- 少なくとも前記第2の流体は、伝導性流体である、請求項1に記載の医療デバイス。
- 前記内側バルーンおよび前記外側バルーンは、非伝導性材料を含む、請求項1に記載の医療デバイス。
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JP2018514361A (ja) | 2018-06-07 |
WO2016176567A1 (en) | 2016-11-03 |
US20160317221A1 (en) | 2016-11-03 |
EP3685782A1 (en) | 2020-07-29 |
EP3685782B1 (en) | 2021-11-03 |
US9855098B2 (en) | 2018-01-02 |
US10342611B2 (en) | 2019-07-09 |
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ES2768107T3 (es) | 2020-06-19 |
EP3288478A4 (en) | 2018-12-26 |
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US20190314084A1 (en) | 2019-10-17 |
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