JPWO2019069739A1 - 医療デバイス、医療デバイスの回転制御方法および回転制御装置 - Google Patents
医療デバイス、医療デバイスの回転制御方法および回転制御装置 Download PDFInfo
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
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- A—HUMAN NECESSITIES
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- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
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- A61B2017/22082—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 after introduction of a substance
- A61B2017/22084—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 after introduction of a substance stone- or thrombus-dissolving
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- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Vascular Medicine (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
Description
20 シャフト部、
60 破砕部、
61 線材、
63 凸部、
71 駆動部、
100 制御部、
101 回転制御装置、
B 血栓(物体)。
Claims (14)
- 生体管腔に挿入されて当該生体管腔の物体を破壊するための医療デバイスであって、
回転駆動される長尺なシャフト部と、
前記シャフト部を回転させる駆動部と、
前記シャフト部の遠位部に設けられて回転可能である破砕部と、
前記駆動部の回転を制御する制御部と、を有し、
前記制御部は、前記駆動部を、回転の停止を挟みつつ回転を繰り返すように制御する医療デバイス。 - 前記制御部は、前記駆動部を停止させて再び回転させる際に、停止させる前の回転方向と反対方向へ前記駆動部を回転させる請求項1に記載の医療デバイス。
- 前記制御部は、前記駆動部を反対方向へ回転させる際に、前の回転の回転角と同じ回転角で回転させる請求項2に記載の医療デバイス。
- 前記制御部は、前記駆動部の回転を停止させた後、前記駆動部の回転を所定時間停止させる請求項1〜3のいずれか1項に記載の医療デバイス。
- 前記制御部は、前記駆動部の回転を720度以上同方向へ継続させる請求項1〜4のいずれか1項に記載の医療デバイス。
- 前記制御部は、前記駆動部の回転を停止させる際に、当該駆動部に回転方向と逆方向への回転力を生じさせる電流を作用させる請求項1〜5のいずれか1項に記載の医療デバイス。
- 前記破砕部は、径方向外側および回転方向へ向かって凸状に曲がる凸部を有する請求項1〜6のいずれか1項に記載の医療デバイス。
- 駆動部により回転駆動される長尺なシャフト部と、前記シャフト部の遠位部に設けられて生体管腔の物体を破壊する破砕部と、が設けられた医療デバイスの回転制御方法であって、
前記駆動部により前記シャフト部を回転させるステップと、
前記駆動部の回転を停止させるステップと、
前記駆動部を再び回転させるステップと、を有する医療デバイスの回転制御方法。 - 前記駆動部を再び回転させるステップにおいて、停止させる前の前記駆動部の回転方向と反対方向へ前記駆動部を回転させる請求項8に記載の医療デバイスの回転制御方法。
- 前記駆動部を再び回転させるステップにおいて、前の回転の回転角と同じ回転角で前記駆動部を回転させる請求項9に記載の医療デバイスの回転制御方法。
- 前記駆動部の回転を停止させた後、前記駆動部の回転を所定時間停止させる請求項8〜10のいずれか1項に記載の医療デバイスの回転制御方法。
- 前記駆動部の回転を720度以上同方向へ継続させる請求項8〜11のいずれか1項に記載の医療デバイスの回転制御方法。
- 前記駆動部の回転を停止させる際に、当該駆動部に回転方向と逆方向への回転力を生じさせる電流を作用させる請求項8〜12のいずれか1項に記載の医療デバイスの回転制御方法。
- 回転駆動される長尺なシャフト部が設けられた医療デバイスの回転制御装置であって、
前記シャフト部を回転させる駆動部と、
前記駆動部の回転を制御する制御部と、を有し、
前記制御部は、前記駆動部を、回転の停止を挟みつつ回転を繰り返すように制御する回転制御装置。
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JP2017194059 | 2017-10-04 | ||
JP2017194059 | 2017-10-04 | ||
PCT/JP2018/035315 WO2019069739A1 (ja) | 2017-10-04 | 2018-09-25 | 医療デバイス、医療デバイスの回転制御方法および回転制御装置 |
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JPWO2019069739A1 true JPWO2019069739A1 (ja) | 2020-11-05 |
JP7280831B2 JP7280831B2 (ja) | 2023-05-24 |
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US (2) | US11826072B2 (ja) |
EP (1) | EP3649970B1 (ja) |
JP (1) | JP7280831B2 (ja) |
CN (1) | CN111050673B (ja) |
WO (1) | WO2019069739A1 (ja) |
Citations (6)
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WO2015190575A1 (ja) * | 2014-06-13 | 2015-12-17 | テルモ株式会社 | 医療デバイスおよび処置方法 |
US11096715B2 (en) * | 2014-11-04 | 2021-08-24 | Terumo Kabushiki Kaisha | Medical device and treatment method |
WO2016152548A1 (ja) * | 2015-03-20 | 2016-09-29 | テルモ株式会社 | カテーテルシステム及び処置方法 |
CN105310745B (zh) * | 2015-03-25 | 2017-07-21 | 周军 | 一种医用盾构刀及其使用方法 |
JP2017140230A (ja) * | 2016-02-10 | 2017-08-17 | テルモ株式会社 | 医療デバイスおよび処置方法 |
DE102016206491A1 (de) | 2016-04-18 | 2017-10-19 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben eines Verbrennungsmotors mit einem VCR-Steller und zum Überprüfen einer Funktion eines VCR-Stellers |
-
2018
- 2018-09-25 WO PCT/JP2018/035315 patent/WO2019069739A1/ja unknown
- 2018-09-25 JP JP2019546638A patent/JP7280831B2/ja active Active
- 2018-09-25 EP EP18864930.5A patent/EP3649970B1/en active Active
- 2018-09-25 CN CN201880055689.4A patent/CN111050673B/zh active Active
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2020
- 2020-03-26 US US16/831,029 patent/US11826072B2/en active Active
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2023
- 2023-11-02 US US18/500,578 patent/US20240058030A1/en active Pending
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EP3649970B1 (en) | 2022-03-16 |
CN111050673A (zh) | 2020-04-21 |
US11826072B2 (en) | 2023-11-28 |
WO2019069739A1 (ja) | 2019-04-11 |
US20200222076A1 (en) | 2020-07-16 |
US20240058030A1 (en) | 2024-02-22 |
EP3649970A4 (en) | 2020-07-08 |
EP3649970A1 (en) | 2020-05-13 |
CN111050673B (zh) | 2023-06-27 |
JP7280831B2 (ja) | 2023-05-24 |
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