CA2976386A1 - Radiofrequency guidewire with controlled plasma generation and methods of use thereof - Google Patents

Radiofrequency guidewire with controlled plasma generation and methods of use thereof Download PDF

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Publication number
CA2976386A1
CA2976386A1 CA2976386A CA2976386A CA2976386A1 CA 2976386 A1 CA2976386 A1 CA 2976386A1 CA 2976386 A CA2976386 A CA 2976386A CA 2976386 A CA2976386 A CA 2976386A CA 2976386 A1 CA2976386 A1 CA 2976386A1
Authority
CA
Canada
Prior art keywords
set forth
radiofrequency
guidewire
tip structure
core wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA2976386A
Other languages
English (en)
French (fr)
Inventor
Wayne Ogata
Xiang Ian Gu
Steven Meyer
Osamu Katoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RetroVascular Inc
Original Assignee
RetroVascular Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RetroVascular Inc filed Critical RetroVascular Inc
Publication of CA2976386A1 publication Critical patent/CA2976386A1/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/042Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/22Implements 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1482Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/22Implements 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
    • A61B2017/22038Implements 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 with a guide wire
    • A61B2017/22042Details of the tip of the guide wire
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/22Implements 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
    • A61B2017/22094Implements 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 for crossing total occlusions, i.e. piercing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577Ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00696Controlled or regulated parameters
    • A61B2018/00755Resistance or impedance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00779Power or energy
    • A61B2018/00785Reflected power
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1407Loop
    • A61B2018/141Snare

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Cardiology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Surgical Instruments (AREA)
  • Plasma Technology (AREA)
CA2976386A 2015-02-18 2016-02-18 Radiofrequency guidewire with controlled plasma generation and methods of use thereof Pending CA2976386A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562117828P 2015-02-18 2015-02-18
US62/117,828 2015-02-18
PCT/US2016/018482 WO2016134152A1 (en) 2015-02-18 2016-02-18 Radiofrequency guidewire with controlled plasma generation and methods of use thereof

Publications (1)

Publication Number Publication Date
CA2976386A1 true CA2976386A1 (en) 2016-08-25

Family

ID=56620555

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2976386A Pending CA2976386A1 (en) 2015-02-18 2016-02-18 Radiofrequency guidewire with controlled plasma generation and methods of use thereof

Country Status (6)

Country Link
US (1) US11717334B2 (enExample)
EP (1) EP3258835B1 (enExample)
JP (2) JP7560936B2 (enExample)
CN (1) CN107405077B (enExample)
CA (1) CA2976386A1 (enExample)
WO (1) WO2016134152A1 (enExample)

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US11241274B2 (en) * 2016-11-04 2022-02-08 Intuitive Surgical Operations, Inc. Electrically insulative electrode spacers, and related devices, systems, and methods
GB2559585A (en) * 2017-02-09 2018-08-15 Helica Instrument Ltd Probe for a plasma flame generating apparatus
JP6724251B2 (ja) * 2017-06-29 2020-07-15 朝日インテック株式会社 プラズマ用ガイドワイヤ
CN111918690B (zh) * 2018-03-29 2023-02-28 朝日英达科株式会社 导管、以及再开通导管系统
JP7295255B2 (ja) * 2019-02-19 2023-06-20 朝日インテック株式会社 末梢血管組織改変システム
AU2020366719A1 (en) * 2019-10-18 2022-04-07 Boston Scientific Medical Device Limited Medical guidewire assembly and/or electrical connector
CN111135425B (zh) * 2020-03-06 2021-09-10 广东博迈医疗科技股份有限公司 一种医用微导管
WO2022138290A1 (ja) * 2020-12-25 2022-06-30 朝日インテック株式会社 プラズマアブレーションシステム、及び、プラズマガイドワイヤ
CN112741678B (zh) * 2021-01-20 2025-11-25 成都盛世慧通医疗科技有限公司 一种刀头和等离子体手术刀
JP7770906B2 (ja) * 2021-12-22 2025-11-17 朝日インテック株式会社 プラズマガイドワイヤ
JP2023169523A (ja) * 2022-05-17 2023-11-30 朝日インテック株式会社 プラズマガイドワイヤ
JPWO2024116321A1 (enExample) * 2022-11-30 2024-06-06
WO2024254476A1 (en) * 2023-06-09 2024-12-12 Boston Scientific Scimed, Inc. Stiffer core material for rf perforation device
WO2025171173A1 (en) 2024-02-08 2025-08-14 IV-X Medical, LLC Intravascular lithotripsy system
JP2025144146A (ja) * 2024-03-19 2025-10-02 日本ライフライン株式会社 心房中隔穿刺デバイス

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US5047026A (en) * 1989-09-29 1991-09-10 Everest Medical Corporation Electrosurgical implement for tunneling through tissue
US5716389A (en) * 1995-11-13 1998-02-10 Walinsky; Paul Cardiac ablation catheter arrangement with movable guidewire
US7270661B2 (en) * 1995-11-22 2007-09-18 Arthocare Corporation Electrosurgical apparatus and methods for treatment and removal of tissue
US6251086B1 (en) * 1999-07-27 2001-06-26 Scimed Life Systems, Inc. Guide wire with hydrophilically coated tip
JP3370606B2 (ja) 1997-10-29 2003-01-27 ペンタックス株式会社 内視鏡用ドレナージチューブ留置具
US6210408B1 (en) * 1999-02-24 2001-04-03 Scimed Life Systems, Inc. Guide wire system for RF recanalization of vascular blockages
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Also Published As

Publication number Publication date
US20160235463A1 (en) 2016-08-18
CN107405077A (zh) 2017-11-28
EP3258835B1 (en) 2023-09-13
JP2024153662A (ja) 2024-10-29
JP2018507044A (ja) 2018-03-15
EP3258835C0 (en) 2023-09-13
US11717334B2 (en) 2023-08-08
EP3258835A4 (en) 2018-12-05
WO2016134152A1 (en) 2016-08-25
CN107405077B (zh) 2023-10-20
EP3258835A1 (en) 2017-12-27
JP7560936B2 (ja) 2024-10-03

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