JP6898305B2 - 機械パルスを生成する方法およびシステム - Google Patents
機械パルスを生成する方法およびシステム Download PDFInfo
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- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
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- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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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- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
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- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
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- G—PHYSICS
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- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B2017/22005—Effects, e.g. on tissue
- A61B2017/22007—Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing
- A61B2017/22008—Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing used or promoted
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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
- A61B2017/22014—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire
- A61B2017/22015—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire with details of the transmission member
- A61B2017/22018—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire with details of the transmission member segmented along its length
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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
- A61B2017/22024—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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 with a part reflecting mechanical vibrations, e.g. for focusing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B2017/22027—Features of transducers
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- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B2017/22027—Features of transducers
- A61B2017/22028—Features of transducers arrays, e.g. phased arrays
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Description
その中の第1機械導波路を受領する第1開口部を規定するオス型コネクタであって、上記オス型コネクタの内側表面は、そこから突出する複数の歯を含む、オス型コネクタと、
その中の第2機械導波路を受領する第2開口部を規定するメス型コネクタであって、上記第2機械導波路は、その端に隣接するフランジを含み、上記メス型コネクタの内側面は、上記第2機械導波路の上記フランジに対して隣接するための突出部を含み、上記第2開口部は、上記オス型コネクタの少なくとも一部分を受領するように適合されている、メス型コネクタと、を含む。
近位端と遠位端との間の縦軸に沿って延びる細長い本体であって、上記近位端は、機械波を受領するように適合されており、上記細長い本体は、受領された上記機械波を上記近位端から上記遠位端まで伝搬させるように適合されており、上記遠位端は、伝搬した上記機械波の少なくとも一部分を、上記遠位端を囲む媒質に伝達するように適合されている、細長い本体を含む。
100×Δf/fc
ここで、fcは、中心/ピーク周波数(すなわち、周波数スペクトルが最大である周波数)であり、Δfは−3dB帯域幅である。「−3dB帯域幅」との表現は、振動の大きさが中心/ピーク周波数fcでの大きさの半分より大きいような周波数帯域幅と理解されるべきである。
Claims (12)
- 血管の閉塞を治療するための、機械波を生成するシステムであって、
少なくとも1つの高振幅かつ広帯域の機械パルスを生成するためのパルス発生器と、
近位端と遠位端との間に延びる非分散性の伝達部材であって、上記近位端が、少なくとも1つの高振幅かつ広帯域の上記機械パルスをそこから受領するための上記パルス発生器に連結されており、非分散性の上記伝達部材の少なくとも一部は上記血管に挿入されるものであり、非分散性の上記伝達部材の上記遠位端は、上記血管における上記閉塞に隣接するように配置されるものであり、非分散性の上記伝達部材は、少なくとも1つの高振幅かつ広帯域の上記機械パルスを上記近位端から上記遠位端へ伝搬させて、少なくとも1つの高振幅かつ広帯域の上記機械パルスを上記遠位端にて伝達することによって、上記閉塞を治療するためのものであるような伝達部材と、
を含むことを特徴とするシステム。 - 上記パルス発生器は、
第1振幅を有する各機械波をそれぞれ放出するための複数の広帯域源と、
上記第1振幅より大きい第2振幅を有する上記機械パルスを取得するために、上記機械波を結合するための波集中装置と、を含むことを特徴とする請求項1に記載のシステム。 - 上記波集中装置が空間集中装置であることを特徴とする請求項2に記載のシステム。
- 上記波集中装置が時間集中装置であることを特徴とする請求項2に記載のシステム。
- 上記波集中装置が、上記機械波を、非分散性の上記伝達部材の近位端に隣接する焦点域に集束させるように適合されていることを特徴とする請求項2に記載のシステム。
- 上記波集中装置が、上記広帯域源により生成された広帯域の上記機械波のうちの少なくともいくつかを上記焦点域に向かって反射させる、放物線状の反射面を含むことを特徴とする請求項5に記載のシステム。
- 上記波集中装置が、テーパーであることを特徴とする請求項2に記載のシステム。
- 上記波集中装置が、空間集中ステージと時間集中ステージとを含むことを特徴とする請求項2に記載のシステム。
- 少なくとも1つの高振幅かつ広帯域の上記機械パルスは、約20kHzと約10MHzの間に含まれる中心周波数fcと、約1/fcの持続期間とをそれぞれ有することを特徴とする請求項1ないし8のいずれか1項に記載のシステム。
- 少なくとも1つの高振幅かつ広帯域の上記機械パルスの振幅は、非分散性の上記伝達部材の上記遠位端に到達したときには、約10MPaと約1000MPaの間に含まれることを特徴とする請求項1ないし9のいずれか1項に記載のシステム。
- 血管の閉塞を治療するための、広帯域の機械波源によって放出された広帯域の機械波を集束する集中装置であって、
上に焦点域を含む伝達面と上記伝達面とは反対側の反射面との間に延びる本体であって、上記伝達面は、少なくとも1つの広帯域の機械波源を受領して、上記本体の内部で少なくとも1つの広帯域の上記機械波源によって放出された少なくとも1つの広帯域の機械波を伝達し、上記反射面は、少なくとも1つの広帯域の上記機械波を集束させるために、および、少なくとも1つの集束された広帯域の上記機械波を、上記焦点域に位置する非分散性の伝達部材に伝搬させるために、上記機械波源によって放出された少なくとも1つの上記機械波を上記伝達面の上記焦点域に向かって反射するように、上記伝達面とは非平行であり、非分散性の上記伝達部材の少なくとも一部は上記血管に挿入されるものであり、非分散性の上記伝達部材の遠位端は、上記血管における上記閉塞に隣接するように配置されるものであり、少なくとも1つの広帯域の上記機械波の集束の結果、少なくとも1つの広帯域の上記機械波源によって放出された少なくとも1つの広帯域の上記機械波の振幅より大きい振幅を有する、より大きい振幅かつ広帯域の機械波が得られる、本体を含むことを特徴とする集中装置。 - 血管の閉塞を治療するための、非分散性の機械導波路であって、
近位端と遠位端との間の縦軸に沿って延びる細長い非分散性の本体であって、非分散性の上記本体の少なくとも一部は上記血管に挿入される寸法及び形状であり、上記近位端は、高振幅かつ広帯域の機械パルスを受領するように適合されており、上記細長い非分散性の本体は、受領された高振幅かつ広帯域の上記機械パルスを上記近位端から上記遠位端まで伝搬させるように適合されており、上記遠位端は、上記血管における上記閉塞に隣接するように配置され、伝搬した高振幅かつ広帯域の上記機械パルスの少なくとも一部分を、上記遠位端を囲む媒質に伝達することによって、上記閉塞を治療するように適合されている、細長い非分散性の本体を含むことを特徴とする機械導波路。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562152332P | 2015-04-24 | 2015-04-24 | |
| US62/152,332 | 2015-04-24 | ||
| PCT/IB2016/052339 WO2016170520A1 (en) | 2015-04-24 | 2016-04-25 | Method and system for generating mechanical pulses |
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| Publication Number | Publication Date |
|---|---|
| JP2018514355A JP2018514355A (ja) | 2018-06-07 |
| JP6898305B2 true JP6898305B2 (ja) | 2021-07-07 |
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| JP2018506493A Active JP6898305B2 (ja) | 2015-04-24 | 2016-04-25 | 機械パルスを生成する方法およびシステム |
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|---|---|
| US (2) | US11065645B2 (ja) |
| EP (1) | EP3285938B1 (ja) |
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| CA2983655C (en) | 2022-01-25 |
| CN113102207B (zh) | 2022-10-11 |
| CA3141016C (en) | 2023-12-19 |
| CN107530736B (zh) | 2021-04-30 |
| BR112017022647A2 (pt) | 2018-07-17 |
| BR112017022647B1 (pt) | 2022-10-25 |
| JP2018514355A (ja) | 2018-06-07 |
| WO2016170520A1 (en) | 2016-10-27 |
| RU2017137332A (ru) | 2019-05-24 |
| US11065645B2 (en) | 2021-07-20 |
| EP3285938C0 (en) | 2024-04-03 |
| EP3285938A4 (en) | 2018-05-16 |
| CA2983655A1 (en) | 2016-10-27 |
| MA41958A (fr) | 2018-02-28 |
| US20180147606A1 (en) | 2018-05-31 |
| EP3285938B1 (en) | 2024-04-03 |
| CN113102207A (zh) | 2021-07-13 |
| CN107530736A (zh) | 2018-01-02 |
| EP3285938A1 (en) | 2018-02-28 |
| US20210316334A1 (en) | 2021-10-14 |
| RU2017137332A3 (ja) | 2019-08-14 |
| CA3218014A1 (en) | 2016-10-27 |
| RU2738737C2 (ru) | 2020-12-16 |
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