JP2015524315A - 超音波カテーテルシステム - Google Patents
超音波カテーテルシステム Download PDFInfo
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- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
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Abstract
Description
119…アクチュエータ
120…超音波デバイス
121…遠位部分
122…近位部分
124…デバイスノブ
125…摺動カラー
126…超音波トランスデューサ
127…信号発生器
128…オンオフスイッチ
129…ポール
130…注入ポンプ
131…注入管
132…サイドアーム
204…カテーテル本体
208…近位ハウジング
208…ハウジング
212…表面構造
214…遠位部分
223…管腔
230…超音波伝達部材
232…管腔
244…空洞
250…振動吸収部材
252…音波コネクタ
300…遠位端
500…遠位ヘッド
505…入力波
510…反射波
520…伝達波
Claims (42)
- 治療用超音波振動移送システムであって、
遠位端および近位端を有する細長い超音波伝達デバイスと、
前記伝達デバイスの前記近位端に結合され、前記伝達デバイスをパルスモードで駆動するように構成された超音波ドライバと
を備えるシステム。 - 請求項1に記載のシステムであって、
前記パルスモードは、約50%のデューティサイクルを有する、システム。 - 請求項1に記載のシステムであって、
前記パルスモードは、約60ないし70%のデューティサイクルを有する、システム。 - 請求項1に記載のシステムであって、
前記パルスモードは、約30ないし40%のデューティサイクルを有する、システム。 - 請求項1に記載のシステムであって、
前記パルスモードは、特定の閉塞基質に対して最適化されたデューティサイクルを有する、システム。 - 請求項1に記載のシステムであって、
前記パルスモードは、第1の期間に少なくとも第1の周波数を適用することと、第2の期間に第2の周波数を適用すること、を備える、システム。 - 請求項6に記載のシステムであって、
前記第1の周波数は、少なくとも18kHzである、システム。 - 請求項6に記載のシステムであって、
前記第2の周波数は、約0kHzである、システム。 - 請求項6に記載のシステムであって、
前記第1の期間および第2の期間は、約5ミリ秒ないし30ミリ秒の間にある、システム。 - 請求項1に記載のシステムであって、
前記超音波伝達デバイスは、カテーテル本体の内腔内に配置される超音波伝達部材を備える、システム。 - 請求項1に記載のシステムであって、
前記超音波ドライバは、超音波トランスデューサに接続される信号発生器を備える、システム。 - 血管の管腔を再開通させる方法であって、
遠位端を有する超音波デバイスを前記血管の前記管腔内の第1の位置に位置決めする工程と、
前記超音波デバイスを通じてパルス超音波振動を前記遠位端に伝達する工程と、
前記管腔を通って前記遠位端を前進させて前記血管を再開通させる工程と
を備える方法。 - 請求項12に記載の方法であって、
前記パルス超音波振動は、特定の閉塞基質に対して最適化されたデューティサイクルを有する、方法。 - 請求項12に記載の方法であって、
前記パルス超音波振動は、前記超音波デバイスの前記遠位端の変位を増大させる、方法。 - 請求項12に記載のシステムであって、
前記パルス超音波振動を伝達する工程は、第1の期間に第1の周波数を伝達する工程と、第2の期間に第2の周波数を伝達する工程と、を備える、システム。 - 請求項15に記載のシステムであって、
前記第1の周波数は、少なくとも18kHzである、システム。 - 請求項15に記載のシステムであって、
前記第2の周波数は、約0kHzである、システム。 - 請求項15に記載のシステムであって、
前記第1の期間および第2の期間は、約5ミリ秒ないし30ミリ秒である、システム。 - 治療用超音波振動移送システムであって、
遠位端および近位端を有する細長い超音波伝達デバイスと、
前記伝達デバイスの前記近位端に結合され、所定範囲の超音波周波数で前記伝達デバイスを駆動するように構成された超音波ドライバと
を備える、システム。 - 請求項19に記載のシステムであって、
前記超音波ドライバは、所定範囲の超音波周波数で連続的に掃引することによって前記伝達デバイスを駆動するように構成される、システム。 - 請求項19に記載のシステムであって、
前記超音波周波数の前記所定範囲は、約1kHzないし10MHzの間にある、システム。 - 請求項19に記載のシステムであって、
前記超音波周波数の前記所定範囲は、約10kHzないし50kHzの間にある、システム。 - 請求項19に記載のシステムであって、
前記超音波周波数の前記所定範囲は、約18kHzないし22kHzの間にある、システム。 - 請求項19に記載のシステムであって、
前記超音波周波数の前記所定範囲は、前記伝達デバイスの少なくとも1つの共振周波数を含む、システム。 - 請求項24に記載のシステムであって、
前記超音波周波数の前記所定範囲は、前記伝達デバイスの共振周波数の約±10%の間にある、システム。 - 請求項19に記載のシステムであって、
前記超音波ドライバは、さらに、パルスモードで動作するように構成される、システム。 - 血管の管腔を再開通させる方法であって、
遠位端を有する超音波デバイスを前記血管の前記管腔内の第1の位置に位置決めする工程と、
前記超音波デバイスを通じて所定範囲の超音波振動を前記遠位端に伝達する工程と、
前記管腔を通って前記遠位端を前進させて前記血管を再開通させる工程と
を備える方法。 - 請求項27に記載のシステムであって、
前記超音波周波数の前記所定範囲は、約1kHzと10MHzの間にある、システム。 - 請求項27に記載のシステムであって、
前記超音波周波数の前記所定範囲は、約10kHzと50kHzの間にある、システム。 - 請求項27に記載の方法であって、
前記超音波周波数の前記所定範囲は、約18kHzと22kHzの間にある、方法。 - 請求項27に記載の方法であって、
前記超音波周波数の前記所定範囲は、前記伝達デバイスの少なくとも1つの共振周波数を含む、方法。 - 請求項31に記載の方法であって、
前記超音波周波数の前記所定範囲は、前記伝達デバイスの共振周波数の約±10%の間にある、方法。 - 治療用超音波振動移送システムであって、
遠位端および近位端を有する細長い超音波伝達デバイスと、
前記超音波伝達デバイスの共振周波数を決定するように構成された検出器と、
前記伝達デバイスの前記近位端に結合され、前記超音波伝達デバイスを前記共振周波数で駆動するように構成された超音波ドライバと
を備える、システム。 - 請求項33に記載のシステムであって、
前記検出器は、前記超音波ドライバ内に配置される、システム。 - 請求項33に記載のシステムであって、
前記共振周波数は、前記伝達デバイスを通じて伝達される測定パルスによって決定される、システム。 - 請求項33に記載のシステムであって、
前記超音波ドライバは、前記測定パルスが送信および受信される間、前記デバイスを駆動することを停止するように構成される、システム。 - 治療用超音波振動移送システムであって、
遠位端および近位端を有する細長い超音波伝達デバイスと、
前記伝達デバイスの前記近位端に結合され、前記伝達デバイスを通じて超音波振動を伝達するように構成された超音波ドライバと、
前記伝達デバイスに結合され、前記伝達デバイスの前記遠位端の変位を決定するように構成された検出器と
を備える、システム。 - 請求項37に記載のシステムであって、
前記検出器は、少なくとも部分的に反射振動を検出することによって前記変位を決定するように構成される、システム。 - 超音波デバイスに加えられる振動の周波数を修正する方法であって、
超音波周波数を有する振動を前記超音波デバイスに加える工程と、
反射振動を検出する工程と、
前記検出された振動に少なくとも部分的に基づいて、前記加えられる振動を修正する工程と
を備える方法。 - 請求項39に記載の方法であって、
前記加えられる振動を修正する工程は、共振振動を加える工程を備える、方法。 - 血管の管腔を再開通させる方法であって、
遠位端を有する超音波伝達デバイスを前記血管の前記管腔内の第1の位置に位置決めする工程と、
前記超音波伝達デバイスの共振周波数を決定する工程と、
前記共振周波数で前記超音波伝達デバイスを振動させる工程と、
前記管腔を通って前記遠位端を前進させて前記血管を再開通する工程と
を含む方法。 - 請求項41に記載の方法であって、
前記決定する工程は、前記遠位端が前記閉塞血管の管腔内の前記第1の位置にあるときに行われる、方法。
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- 2013-08-01 EP EP21178212.3A patent/EP3895632A1/en active Pending
- 2013-08-01 JP JP2015525611A patent/JP6293145B2/ja active Active
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020531077A (ja) * | 2017-08-15 | 2020-11-05 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 画像診断及び治療のための腔内超音波デバイス |
JP7069294B2 (ja) | 2017-08-15 | 2022-05-17 | コーニンクレッカ フィリップス エヌ ヴェ | 画像診断及び治療のための腔内超音波デバイス |
JP2022507033A (ja) * | 2018-11-06 | 2022-01-18 | ヴァーソノ・メディカル・リミテッド | 虚血の治療 |
JP7497889B2 (ja) | 2018-11-06 | 2024-06-11 | ヴァーソノ・メディカル・リミテッド | 虚血の治療 |
JP7503645B2 (ja) | 2020-03-31 | 2024-06-20 | バード・ペリフェラル・バスキュラー・インコーポレーテッド | 血管デバイス挿入システムおよび装置 |
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US20150190660A1 (en) | 2015-07-09 |
WO2014022716A2 (en) | 2014-02-06 |
US20190151684A1 (en) | 2019-05-23 |
JP6293145B2 (ja) | 2018-03-14 |
US11344750B2 (en) | 2022-05-31 |
EP2879596A2 (en) | 2015-06-10 |
RU2015106608A (ru) | 2016-09-27 |
RU2640564C2 (ru) | 2018-01-09 |
EP3895632A1 (en) | 2021-10-20 |
US10238895B2 (en) | 2019-03-26 |
WO2014022716A3 (en) | 2014-04-03 |
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