DE112021007139T5 - Stromversorgungsvorrichtung und Ablationssystem - Google Patents

Stromversorgungsvorrichtung und Ablationssystem Download PDF

Info

Publication number
DE112021007139T5
DE112021007139T5 DE112021007139.4T DE112021007139T DE112021007139T5 DE 112021007139 T5 DE112021007139 T5 DE 112021007139T5 DE 112021007139 T DE112021007139 T DE 112021007139T DE 112021007139 T5 DE112021007139 T5 DE 112021007139T5
Authority
DE
Germany
Prior art keywords
ablation
electrodes
power supply
supply device
distal end
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
DE112021007139.4T
Other languages
German (de)
English (en)
Inventor
Makoto Kato
Takuya Hirao
Hisao Miyamoto
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.)
Japan Lifeline Co Ltd
Original Assignee
Japan Lifeline Co Ltd
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 Japan Lifeline Co Ltd filed Critical Japan Lifeline Co Ltd
Publication of DE112021007139T5 publication Critical patent/DE112021007139T5/de
Pending legal-status Critical Current

Links

Images

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
    • A61B18/12—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
    • A61B18/1206—Generators therefor
    • A61B18/1233—Generators therefor with circuits for assuring patient safety
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/0016—Energy applicators arranged in a two- or three dimensional array
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A61B2018/00267—Expandable means emitting energy, e.g. by elements carried thereon having a basket shaped structure
    • 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
    • A61B2018/00351—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
    • A61B2018/00571—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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00613—Irreversible electroporation
    • 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
    • A61B2018/00761—Duration
    • 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
    • A61B2018/00767—Voltage
    • 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
    • A61B2018/124—Generators therefor switching the output to different electrodes, e.g. sequentially
    • 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
    • A61B18/16—Indifferent or passive electrodes for grounding
    • A61B2018/167—Passive electrodes capacitively coupled to the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/327—Applying electric currents by contact electrodes alternating or intermittent currents for enhancing the absorption properties of tissue, e.g. by electroporation

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Surgical Instruments (AREA)
  • Electrotherapy Devices (AREA)
DE112021007139.4T 2021-02-22 2021-02-22 Stromversorgungsvorrichtung und Ablationssystem Pending DE112021007139T5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/006669 WO2022176202A1 (ja) 2021-02-22 2021-02-22 電源装置およびアブレーションシステム

Publications (1)

Publication Number Publication Date
DE112021007139T5 true DE112021007139T5 (de) 2023-11-30

Family

ID=82930546

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112021007139.4T Pending DE112021007139T5 (de) 2021-02-22 2021-02-22 Stromversorgungsvorrichtung und Ablationssystem

Country Status (6)

Country Link
US (1) US12484951B2 (https=)
JP (1) JP7595739B2 (https=)
CN (1) CN116456920A (https=)
DE (1) DE112021007139T5 (https=)
TW (1) TW202233133A (https=)
WO (1) WO2022176202A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11337749B2 (en) 2015-10-07 2022-05-24 Mayo Foundation For Medical Education And Research Electroporation for obesity or diabetes treatment
EP4048179A1 (en) 2019-10-21 2022-08-31 Endogenex, Inc. Devices, systems, and methods for pulsed electric field treatment of the duodenum
US12076071B2 (en) 2020-08-14 2024-09-03 Kardium Inc. Systems and methods for treating tissue with pulsed field ablation
WO2024075034A1 (en) 2022-10-05 2024-04-11 Btl Medical Technologies S.R.O. Pulsed field ablation device and method
CN116262069A (zh) * 2023-01-12 2023-06-16 上海商阳医疗科技有限公司 脉冲消融导管及其系统
JP2025129734A (ja) * 2024-02-26 2025-09-05 日本ライフライン株式会社 電源装置およびアブレーションシステム
JP2026022877A (ja) * 2024-07-31 2026-02-13 日本ライフライン株式会社 アブレーションシステム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019500170A (ja) 2016-01-05 2019-01-10 ファラパルス，インコーポレイテッド 組織へのアブレーションエネルギーの送達のためのシステム、装置及び方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070083239A1 (en) * 2005-09-23 2007-04-12 Denise Demarais Methods and apparatus for inducing, monitoring and controlling renal neuromodulation
WO2008034103A2 (en) * 2006-09-14 2008-03-20 Lazure Technologies, Llc Device and method for destruction of cancer cells
WO2010118387A1 (en) * 2009-04-09 2010-10-14 Virginia Tech Intellectual Properties, Inc. Integration of very short electric pulses for minimally to noninvasive electroporation
US9233241B2 (en) * 2011-02-28 2016-01-12 Ethicon Endo-Surgery, Inc. Electrical ablation devices and methods
EP3294172B9 (en) * 2015-05-12 2023-04-05 St. Jude Medical, Atrial Fibrillation Division, Inc. Asymmetric balanced waveform for ac cardiac irreversible electroporation
CN110662483B (zh) 2017-04-28 2023-05-12 波士顿科学医学有限公司 用于将脉冲电场消融能量递送到心内膜组织的系统、装置和方法
WO2020094622A1 (en) * 2018-11-05 2020-05-14 Region Hovedstaden V/Herlev Hospital An electrode assembly for improved electric field distribution
US11540877B2 (en) * 2019-12-03 2023-01-03 Biosense Webster (Israel) Ltd. Pulse generator for irreversible electroporation
US20210307815A1 (en) * 2020-04-07 2021-10-07 Biosense Webster (Israel) Ltd. Basket Catheter with Solid Conducting Spines as Electrodes for IRE
IL291970B2 (en) * 2021-04-13 2025-09-01 Biosense Webster Israel Ltd Pulse generator for non-invasive electroporation with switchable pulse application

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019500170A (ja) 2016-01-05 2019-01-10 ファラパルス，インコーポレイテッド 組織へのアブレーションエネルギーの送達のためのシステム、装置及び方法

Also Published As

Publication number Publication date
WO2022176202A1 (ja) 2022-08-25
US20240016536A1 (en) 2024-01-18
US12484951B2 (en) 2025-12-02
JPWO2022176202A1 (https=) 2022-08-25
CN116456920A (zh) 2023-07-18
JP7595739B2 (ja) 2024-12-06
TW202233133A (zh) 2022-09-01

Similar Documents

Publication Publication Date Title
DE112021007139T5 (de) Stromversorgungsvorrichtung und Ablationssystem
DE60031321T2 (de) Ablationskatheter zur Isolation einer pulmonaren Vene
DE69419038T2 (de) Geraet zur radiofrequenzablation
DE60133099T2 (de) Elektroden mit verstellbarer länge für ablation unter irrigation
DE69925715T2 (de) Hochfrequenzkatheter zur ablation von körpergewebe
DE69633182T2 (de) Katheter mit einer spiralförmigen flachbandelektrode
DE69535379T2 (de) Ablationsvorrichtung mit mehreren Elektroden
EP0692221B1 (de) Katheter mit Elektrode
DE69921256T2 (de) Elektrokoagulationsgerät für Varizen
DE10218426A1 (de) Ablationsvorrichtung für Herzgewebe, insbesondere zur Erzeugung linearer Läsionen zwischen zwei Gefäßmündungen im Herzen
EP1044654A2 (de) Anordnung zur elektro-thermischen Behandlung des menschlichen oder tierischen Körpers
DE202016009216U1 (de) Herzablation mittels gepulsten Feldes
DE10318478A1 (de) Ablationsvorrichtung für Herzgewebe, insbesondere zur Erzeugung einer zirkulären Läsion um eine Gefäßmündung im Herzen
DE202007012210U1 (de) Gesteuerte monopolare und bipolare Anwendung von RF-Energie
EP0808607A1 (de) Vorrichtung zum Perforieren der Herzwand
DE10218427A1 (de) Ablationsvorrichtung für Herzgewebe, insbesondere zur Erzeugung einer zirkulären Läsion um eine Gefäßmündung im Herzen
DE102010026210A1 (de) Verfahren und Vorrichtung zur Koagulation von Körpergewebe und/oder von Körpergefäßen
DE102022133670A1 (de) Stromversorgungsvorrichtung und stromversorgungsverfahren
DE202010016945U1 (de) Transthorakaler AFIB Herz-Katheter
EP0315730A2 (de) Vorrichtung zum Erweiten und/oder Eröffnen von Blutgefässen
DE102005007769B4 (de) Hochfrequenzchirurgie-Vorrichtung und Betriebsverfahren dafür
EP1718233B1 (de) Vorrichtung zur interstitiellen koagulation von gewebe
DE112024001214T5 (de) Stromversorgungsvorrichtung und Ablationssystem
EP3473200B1 (de) Ablationskatheter mit mikroelektrode und verfahren zum herstellen eines ablationskatheters
EP4647025A1 (de) Ablationskatheteranordnung und vorrichtung zur ablation von gewebe