JP2022526787A - 脊椎内に埋め込まれる埋め込み型超音波発生装置 - Google Patents
脊椎内に埋め込まれる埋め込み型超音波発生装置 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0092—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin using ultrasonic, sonic or infrasonic vibrations, e.g. phonophoresis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1003—Spinal column
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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Abstract
Description
本発明の内容において、「BSCBを破壊する」、「BSCBを開く」、「BSCBの透過性を高める」という用語は、脊髄や背骨の検出可能な損傷を伴わずに起こる、BSCBの分子の通過に対する影響の受けやすさの増加を意味する。
本発明の目的は、脊椎動物の脊椎内に移植するための埋め込み型超音波(US)発生装置であって、この埋め込み可能なUS発生装置は、脊椎の長手方向の軸に対して斜めの方向にUSビームを照射するのに適した少なくとも1つのUS発生トランスデューサを備えている。
本発明の目的は、BRSCを破壊するために、それを必要とする被験者の脊髄にUSビームを照射するのに適した埋め込み型装置を提供することである。また、本発明の埋め込み型装置は、局所的な免疫を刺激するための微弱なハイパーサーミアの発生、および/または、神経細胞の再生を刺激するために使用することも可能である。
Lは超音波の開口部の寸法(すなわち直径)、λは波長(音速/周波数)である。例として、直径10mmの非集束平面トランスデューサが1MHzで出射されている場合、自然焦点のホットスポットはトランスデューサから15mmの位置にある。脊髄内での超音波照射の安全性を確保し、定在波を避けるためには、ホットスポットが骨反射の場所(骨の表面)で起こることを避ける必要がある。理想的には、ホットスポットは脊髄の中央部に選ばれるべきである。そして、トランスデューサの脊髄からの距離をこの要件に合わせる必要がある。
本発明の埋め込み型装置は、脊椎動物、特にヒトの血液脊髄関門(BSCB)を一過性に破壊することにより、脊髄障害を治療する際に使用することが特に好ましい。
Claims (13)
- 脊柱の長手方向の軸に対して斜めの方向に超音波(US)ビームを照射する少なくとも1つのUS発生トランスデューサを備える、脊椎動物の脊椎内に埋め込まれる埋め込み型超音波発生装置。
- 前記US発生トランスデューサは、脊椎の前記長手方向の軸に対して45°から65°の角度でUSビームを出射する、請求項1に記載の埋め込み型装置。
- 椎骨の後方部分の一般的な形状である、請求項1又は2に記載の埋め込み型装置。
- 前記US発生トランスデューサは、前記埋め込み型装置内で斜めに配置された平面USトランスデューサである、請求項1から3のいずれか1項に記載の埋め込み型装置。
- 前記US発生トランスデューサは、前記埋め込み型装置内で長手方向に配置された平面USトランスデューサであり、前記埋め込み型装置は、前記USビームを前記脊椎の長手方向の軸に対して斜め方向に偏向させる少なくとも1つのレンズをさらに備える、請求項1から3のいずれか1項に記載の埋め込み型装置。
- 前記US発生トランスデューサは、0.3~3MHz、好ましくは0.5~2MHz、より好ましくは1~1.5MHz、さらに好ましくは約0.75MHzの共振周波数でUSビームを発生させるように構成されている、請求項1から5のいずれか1項に記載の埋め込み型装置。
- 前記US発生トランスデューサは、0.3~2MPaの圧力レベルでUSビームを発生するように構成されている、請求項1から6のいずれか1項に記載の埋め込み型装置。
- 前記US発生トランスデューサは、非集束USビームを発生するように構成されている、請求項1から7のいずれか1項に記載の埋め込み型装置。
- 前記埋め込み型装置は、脊椎の長手方向に対して斜めの向きでUSビームを出射する2つ以上のUS発生トランスデューサを備えている、請求項1から8のいずれか1項に記載の埋め込み型装置。
- 第1のUS発生トランスデューサは、USビームを上向きに出射し、第2のUS発生トランスデューサは、USビームを下向きに出射する、請求項9に記載の埋め込み型装置。
- 前記US発生トランスデューサは順次起動させることができる、請求項9又は10に記載の埋め込み型装置。
- 少なくとも1つのUS発生トランスデューサは、複数のトランスデューサのアレイを備えている、請求項1から11のいずれか1項に記載の埋め込み型装置。
- 前記埋め込み型装置は、電気供給器に接続される経皮接続手段を備えている、請求項1から12のいずれか1項に記載の埋め込み型装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19305406.1 | 2019-03-28 | ||
EP19305406 | 2019-03-28 | ||
PCT/EP2020/058833 WO2020193782A1 (en) | 2019-03-28 | 2020-03-27 | Implantable ultrasound generating device for implantation within a vertebral column |
Publications (1)
Publication Number | Publication Date |
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JP2022526787A true JP2022526787A (ja) | 2022-05-26 |
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JP2021557520A Pending JP2022526787A (ja) | 2019-03-28 | 2020-03-27 | 脊椎内に埋め込まれる埋め込み型超音波発生装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220183661A1 (ja) |
EP (1) | EP3946588A1 (ja) |
JP (1) | JP2022526787A (ja) |
CN (1) | CN113613716A (ja) |
CA (1) | CA3134445A1 (ja) |
WO (1) | WO2020193782A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009533090A (ja) * | 2006-04-07 | 2009-09-17 | スミス アンド ネフュー インコーポレーテッド | 組織治癒用途における音波モードの制御 |
JP2019507661A (ja) * | 2016-03-11 | 2019-03-22 | ソルボンヌ・ユニヴェルシテSorbonne Universite | 脊髄の治療および/または脊髄神経の治療のための埋め込み型超音波発生治療デバイス、該デバイスを備える装置、および方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1503685B1 (en) * | 2002-01-23 | 2012-10-31 | The Regents of The University of California | Implantable thermal treatment apparatus |
US11224635B2 (en) * | 2007-03-27 | 2022-01-18 | Venturis Thereuptics, Inc. | Therapeutic angiogenesis for treatment of the spine and other tissues |
US8460269B2 (en) * | 2009-09-14 | 2013-06-11 | University of Pittsburgh—of the Commonwealth System of Higher Education | Directed cell-based therapy using microbubble tagged cells |
US20130324892A1 (en) * | 2012-05-29 | 2013-12-05 | Boston Scientific Neuromodulation Corporation | Ultrasonic means and methods for dorsal root ganglion neuromodulation |
US10322178B2 (en) * | 2013-08-09 | 2019-06-18 | The Trustees Of Columbia University In The City Of New York | Systems and methods for targeted drug delivery |
US9205258B2 (en) * | 2013-11-04 | 2015-12-08 | ElectroCore, LLC | Nerve stimulator system |
WO2016097867A2 (en) * | 2014-12-19 | 2016-06-23 | Université Pierre Et Marie Curie (Paris 6) | Implantable ultrasound generating treating device for brain treatment, apparatus comprising such device and method implementing such device |
-
2020
- 2020-03-27 CA CA3134445A patent/CA3134445A1/en active Pending
- 2020-03-27 US US17/598,327 patent/US20220183661A1/en not_active Abandoned
- 2020-03-27 JP JP2021557520A patent/JP2022526787A/ja active Pending
- 2020-03-27 EP EP20713319.0A patent/EP3946588A1/en active Pending
- 2020-03-27 WO PCT/EP2020/058833 patent/WO2020193782A1/en unknown
- 2020-03-27 CN CN202080024191.9A patent/CN113613716A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009533090A (ja) * | 2006-04-07 | 2009-09-17 | スミス アンド ネフュー インコーポレーテッド | 組織治癒用途における音波モードの制御 |
JP2019507661A (ja) * | 2016-03-11 | 2019-03-22 | ソルボンヌ・ユニヴェルシテSorbonne Universite | 脊髄の治療および/または脊髄神経の治療のための埋め込み型超音波発生治療デバイス、該デバイスを備える装置、および方法 |
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Publication number | Publication date |
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CA3134445A1 (en) | 2020-10-01 |
US20220183661A1 (en) | 2022-06-16 |
CN113613716A (zh) | 2021-11-05 |
EP3946588A1 (en) | 2022-02-09 |
WO2020193782A1 (en) | 2020-10-01 |
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