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

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical 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
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical 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
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • 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
    • A61B2017/22038—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 with a guide wire
    • A61B2017/22042—Details of the tip of the guide wire
    • 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
    • A61B2017/22094—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 for crossing total occlusions, i.e. piercing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00755—Resistance or impedance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00779—Power or energy
    • A61B2018/00785—Reflected power
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical 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
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop
    • A61B2018/141—Snare

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (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 (https=)
EP (1) EP3258835B1 (https=)
JP (2) JP7560936B2 (https=)
CN (1) CN107405077B (https=)
CA (1) CA2976386A1 (https=)
WO (1) WO2016134152A1 (https=)

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GB2559585A (en) * 2017-02-09 2018-08-15 Helica Instrument Ltd Probe for a plasma flame generating apparatus
EP3646808A4 (en) * 2017-06-29 2021-01-13 Asahi Intecc Co., Ltd. PLASMA GUIDEWIRE
EP3777950A4 (en) * 2018-03-29 2021-12-15 Asahi Intecc Co., Ltd. CATHETER AND RE-CHANNELING CATHETER SYSTEM
WO2020170176A1 (en) * 2019-02-19 2020-08-27 Asahi Intecc Co. Ltd. Peripheral vessel tissue modification devices and methods of use thereof
JP7656594B2 (ja) * 2019-10-18 2025-04-03 ボストン サイエンティフィック メディカル デバイス リミテッド 医療用ガイドワイヤアセンブリ及び／又は電気コネクタ
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
CN116648280A (zh) * 2020-12-25 2023-08-25 朝日英达科株式会社 等离子消融系统以及等离子导丝
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
WO2024116321A1 (ja) * 2022-11-30 2024-06-06 朝日インテック株式会社 ガイドワイヤ、及び、医療システム
US20240407773A1 (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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US5716389A (en) * 1995-11-13 1998-02-10 Walinsky; Paul Cardiac ablation catheter arrangement with movable guidewire
US7186234B2 (en) * 1995-11-22 2007-03-06 Arthrocare 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
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Also Published As

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

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