JP7295255B2 - 末梢血管組織改変システム - Google Patents

末梢血管組織改変システム Download PDF

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Publication number
JP7295255B2
JP7295255B2 JP2021545927A JP2021545927A JP7295255B2 JP 7295255 B2 JP7295255 B2 JP 7295255B2 JP 2021545927 A JP2021545927 A JP 2021545927A JP 2021545927 A JP2021545927 A JP 2021545927A JP 7295255 B2 JP7295255 B2 JP 7295255B2
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elongate member
radio frequency
distal end
elongated member
peripheral
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Japanese (ja)
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JP2022520176A5 (https=
JP2022520176A (ja
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ウェイン オガタ
スティーヴン メイヤー
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Asahi Intecc Co Ltd
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Asahi Intecc Co Ltd
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    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
    • A61B18/245—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter for removing obstructions in blood vessels or calculi
    • 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
    • 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
    • A61B18/1206—Generators therefor
    • 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
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00404—Blood vessels other than those in or around the heart
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00404—Blood vessels other than those in or around the heart
    • A61B2018/0041—Removal of thrombosis
    • 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
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/126—Generators therefor characterised by the output polarity bipolar
    • 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
    • A61B2018/1417—Ball
    • 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
    • A61B2018/142—Electrodes having a specific shape at least partly surrounding the target, e.g. concave, curved or in the form of a cave
    • 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
    • A61B2018/1475—Electrodes retractable in or deployable from a housing

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Surgical Instruments (AREA)
JP2021545927A 2019-02-19 2020-02-19 末梢血管組織改変システム Active JP7295255B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023093191A JP2023113825A (ja) 2019-02-19 2023-06-06 末梢動脈組織改変システム

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962807574P 2019-02-19 2019-02-19
US62/807,574 2019-02-19
PCT/IB2020/051407 WO2020170176A1 (en) 2019-02-19 2020-02-19 Peripheral vessel tissue modification devices and methods of use thereof

Related Child Applications (1)

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JP2023093191A Division JP2023113825A (ja) 2019-02-19 2023-06-06 末梢動脈組織改変システム

Publications (3)

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JP2022520176A JP2022520176A (ja) 2022-03-29
JP2022520176A5 JP2022520176A5 (https=) 2023-04-25
JP7295255B2 true JP7295255B2 (ja) 2023-06-20

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JP2021545927A Active JP7295255B2 (ja) 2019-02-19 2020-02-19 末梢血管組織改変システム
JP2023093191A Pending JP2023113825A (ja) 2019-02-19 2023-06-06 末梢動脈組織改変システム

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JP2023093191A Pending JP2023113825A (ja) 2019-02-19 2023-06-06 末梢動脈組織改変システム

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Country Link
US (1) US20200261154A1 (https=)
EP (1) EP3927267A4 (https=)
JP (2) JP7295255B2 (https=)
CN (1) CN113473931A (https=)
WO (1) WO2020170176A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013056125A2 (en) 2011-10-14 2013-04-18 RA Medical Systems Small flexible liquid core catheter for laser ablation in body lumens and methods for use
US9962527B2 (en) 2013-10-16 2018-05-08 Ra Medical Systems, Inc. Methods and devices for treatment of stenosis of arteriovenous fistula shunts
US10555772B2 (en) 2015-11-23 2020-02-11 Ra Medical Systems, Inc. Laser ablation catheters having expanded distal tip windows for efficient tissue ablation
JP2019166289A (ja) 2018-03-22 2019-10-03 ラ メディカル システムズ， インコーポレイテッド オーバージャケットを伴う液体充填アブレーションカテーテル
WO2025089014A1 (en) * 2023-10-24 2025-05-01 Asahi Intecc Co., Ltd. Fluidly connected plasma catheter system and methods thereof
WO2025145137A1 (en) * 2023-12-29 2025-07-03 Plasmamed, Inc Method for treating lesions and devices and systems for same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016509942A (ja) 2013-03-12 2016-04-04 ベイリス メディカル カンパニー インコーポレイテッドＢａｙｌｉｓ Ｍｅｄｉｃａｌ Ｃｏｍｐａｎｙ Ｉｎｃ． 支持構造を有する医療デバイス

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998933A (en) 1988-06-10 1991-03-12 Advanced Angioplasty Products, Inc. Thermal angioplasty catheter and method
US5364393A (en) * 1990-07-02 1994-11-15 Heart Technology, Inc. Tissue dissipative recanalization catheter
DE19713797A1 (de) * 1996-04-04 1997-10-09 Valleylab Inc Elektrochirurgisches Instrument zur Herbeiführung einer Myomnekrose
US6210408B1 (en) * 1999-02-24 2001-04-03 Scimed Life Systems, Inc. Guide wire system for RF recanalization of vascular blockages
US7780723B2 (en) * 2005-06-13 2010-08-24 Edwards Lifesciences Corporation Heart valve delivery system
US8066664B2 (en) * 2005-12-12 2011-11-29 Taheri Laduca Llc Tri-directional articulating catheter
US20080312673A1 (en) * 2007-06-05 2008-12-18 Viswanathan Raju R Method and apparatus for CTO crossing
US9211155B2 (en) * 2008-08-20 2015-12-15 Prostacare Pty Ltd. Non-thermal ablation system for treating BPH and other growths
DE102012102271A1 (de) * 2012-03-19 2013-09-19 Ovesco Endoscopy Ag Endoskopisches Chirurgieinstrument
JP6462600B2 (ja) * 2013-03-14 2019-01-30 ベイリス メディカル カンパニー インコーポレイテッドＢａｙｌｉｓ Ｍｅｄｉｃａｌ Ｃｏｍｐａｎｙ Ｉｎｃ． ルーメンを有する電気外科手術デバイス
US11717334B2 (en) * 2015-02-18 2023-08-08 Asahi Medical Technologies, Inc. Radiofrequency guidewire with controlled plasma generation and methods of use thereof
GB2536714B (en) * 2015-03-27 2017-05-10 Cook Medical Technologies Llc Vessel ablation system with adjustable ablation terminal
KR20190073371A (ko) * 2016-10-20 2019-06-26 레트로배스큘러, 아이엔씨. 증대된 조성물 전달을 위한 방법 및 디바이스
US11058444B2 (en) * 2017-12-11 2021-07-13 Covidien Lp Electrically enhanced retrieval of material from vessel lumens
EP3813706B1 (en) * 2018-09-11 2023-04-26 St. Jude Medical, Cardiology Division, Inc. Unibody intravascular catheter shaft

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016509942A (ja) 2013-03-12 2016-04-04 ベイリス メディカル カンパニー インコーポレイテッドＢａｙｌｉｓ Ｍｅｄｉｃａｌ Ｃｏｍｐａｎｙ Ｉｎｃ． 支持構造を有する医療デバイス

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Publication number Publication date
US20200261154A1 (en) 2020-08-20
WO2020170176A1 (en) 2020-08-27
JP2023113825A (ja) 2023-08-16
EP3927267A1 (en) 2021-12-29
EP3927267A4 (en) 2022-11-16
JP2022520176A (ja) 2022-03-29
CN113473931A (zh) 2021-10-01

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