JP2022517779A - 組織石灰化の処理のための装置および方法 - Google Patents
組織石灰化の処理のための装置および方法 Download PDFInfo
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Abstract
Description
Claims (16)
- 組織石灰化処理装置であって、MHzの周波数の超音波を提供するように構成された第1超音波放射源(4)と、前記処理に用いられるMHz及びkHzの周波数の超音波を提供するように構成された第2超音波放射源(5)とを備えることを特徴とする組織石灰化処理装置。
- 大動脈小葉(8)の石灰化の処理に適合した請求項1に記載の装置。
- 前記MHz周波数が2~4MHzであり、前記kHz周波数が100kHzのオーダーである、請求項2に記載の装置。
- 前記放射源が、大動脈小葉(8)の大動脈側と心室側を同時に処理するように、反対方向に超音波を生成するように構成される、請求項2または3に記載の装置。
- 前記処理中に生成される可能性のある破片を収集するためのバスケット形状のフィルタ(7)を備える、請求項2~4のいずれか一項に記載の装置。
- 前記第1超音波放射源および第2超音波放射源が、同一要素内、たとえば、単一の圧電変換器内に配置される、請求項2~5のいずれか一項に記載の装置。
- 石灰化小葉(5)の大動脈側を処理するための、複数の圧電変換器(4)を備えた、バルサルバ洞に位置することができる第1構造体(1)と、生来の弁座に挿入可能な第2構造体(2)であって、一連の圧電変換器(5)が装着された一部のピラーによって弁を開いた状態に維持するように適合される、第2構造体(2)との2つの構造体(1,2)を備える、請求項2~5のいずれか一項に記載の装置。
- 前記第1構造体(1)は、大動脈弁尖(8)を処理するための3つのアーム(3)を備える、請求項7に記載の装置。
- 前記第1構造体は、大動脈弁尖(8)及び交連を同時に処理するための6つのアーム(3)を備える、請求項8に記載の装置。
- 前記第1構造体(1)が、前記弁尖(8)の変動に適応するためのベル部を備える、請求項8または9に記載の装置。
- 処理中に一時的に作用する統合人工弁(6)を含む、請求項6~10のいずれか一項に記載の装置。
- 前記人工弁(6)が前記第2構造体(2)に固定されている、請求項11に記載の装置。
- 請求項6~11のいずれか一項に記載の装置と、前記第1構造体(1)に一体化された冠状動脈保護デフレクタとを含むアセンブリ。
- MHz周波数の超音波とkHz周波数の超音波とを同時に使用することを特徴とする、組織石灰化の処理方法。
- 大動脈小葉(8)石灰化の処理のための請求項14に記載の方法。
- 前記MHz周波数が2~4MHzであり、前記kHz周波数が100kHzのオーダーである、請求項14または15に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP19153513.7A EP3685772A1 (en) | 2019-01-24 | 2019-01-24 | Device for the treatment of tissue calcification |
EP19153513.7 | 2019-01-24 | ||
PCT/EP2020/050778 WO2020151995A1 (en) | 2019-01-24 | 2020-01-14 | Device for the treatment of tissue calcification |
Publications (1)
Publication Number | Publication Date |
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JP2022517779A true JP2022517779A (ja) | 2022-03-10 |
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JP2021539975A Pending JP2022517779A (ja) | 2019-01-24 | 2020-01-14 | 組織石灰化の処理のための装置および方法 |
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US (1) | US20220061869A1 (ja) |
EP (2) | EP3685772A1 (ja) |
JP (1) | JP2022517779A (ja) |
CN (1) | CN113490459B (ja) |
CA (1) | CA3125936A1 (ja) |
WO (1) | WO2020151995A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CA3075678A1 (en) | 2017-09-12 | 2019-03-21 | Enrico Pasquino | Transcatheter device for the treatment of calcified heart valve leaflets |
EP4385428A1 (en) | 2022-12-12 | 2024-06-19 | Aorticlab Srl | Transfemoral system for the localized treatment of aortic valve stenosis |
Family Cites Families (28)
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FR2620294B1 (fr) * | 1987-09-07 | 1990-01-19 | Technomed Int Sa | Dispositif piezoelectrique a ondes negatives reduites, et utilisation de ce dispositif pour la lithotritie extra-corporelle ou pour la destruction de tissus particuliers |
US4957099A (en) * | 1988-02-10 | 1990-09-18 | Siemens Aktiengesellschaft | Shock wave source for extracorporeal lithotripsy |
US5295958A (en) * | 1991-04-04 | 1994-03-22 | Shturman Cardiology Systems, Inc. | Method and apparatus for in vivo heart valve decalcification |
FR2717942B1 (fr) * | 1994-03-01 | 1996-05-31 | Technomed Int Sa | Procédé et appareil de thérapie générant des ultrasons de haute intensité à effet de cavitation contrôlé. |
US6235024B1 (en) * | 1999-06-21 | 2001-05-22 | Hosheng Tu | Catheters system having dual ablation capability |
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US8083707B2 (en) | 2003-04-17 | 2011-12-27 | Tosaya Carol A | Non-contact damage-free ultrasonic cleaning of implanted or natural structures having moving parts and located in a living body |
US10219899B2 (en) * | 2004-04-23 | 2019-03-05 | Medtronic 3F Therapeutics, Inc. | Cardiac valve replacement systems |
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-
2019
- 2019-01-24 EP EP19153513.7A patent/EP3685772A1/en not_active Withdrawn
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2020
- 2020-01-14 WO PCT/EP2020/050778 patent/WO2020151995A1/en unknown
- 2020-01-14 CN CN202080010845.2A patent/CN113490459B/zh active Active
- 2020-01-14 US US17/418,874 patent/US20220061869A1/en active Pending
- 2020-01-14 EP EP20703145.1A patent/EP3914168A1/en active Pending
- 2020-01-14 CA CA3125936A patent/CA3125936A1/en active Pending
- 2020-01-14 JP JP2021539975A patent/JP2022517779A/ja active Pending
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EP3685772A1 (en) | 2020-07-29 |
WO2020151995A1 (en) | 2020-07-30 |
CA3125936A1 (en) | 2020-07-30 |
US20220061869A1 (en) | 2022-03-03 |
CN113490459B (zh) | 2024-05-10 |
CN113490459A (zh) | 2021-10-08 |
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