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EA200700344A1 - Многоэлектродный электрохирургический инструмент - Google Patents

Многоэлектродный электрохирургический инструмент

Info

Publication number
EA200700344A1
EA200700344A1 EA200700344A EA200700344A EA200700344A1 EA 200700344 A1 EA200700344 A1 EA 200700344A1 EA 200700344 A EA200700344 A EA 200700344A EA 200700344 A EA200700344 A EA 200700344A EA 200700344 A1 EA200700344 A1 EA 200700344A1
Authority
EA
Eurasian Patent Office
Prior art keywords
electrodes
bipolar
build
electrode
scab
Prior art date
Application number
EA200700344A
Other languages
English (en)
Inventor
Уоррен П. Хейм
Original Assignee
Серджинетикс, Инк.
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 Серджинетикс, Инк. filed Critical Серджинетикс, Инк.
Publication of EA200700344A1 publication Critical patent/EA200700344A1/ru

Links

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
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1402—Probes for open surgery
    • 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
    • A61B2018/1226—Generators therefor powered by a battery
    • 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
    • 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
    • A61B2018/1412—Blade

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

Раскрыты усовершенствованный электрохирургический инструмент и способ упрощения выполнения надрезов и других процедур с помощью электрохирургии. Электрохирургический инструмент содержит тело, имеющее более двух электродов, причем по меньшей мере два электрода имеют энергию переменного тока, подаваемую к ним, так что они имеют биполярную конфигурацию переменного тока и используют средство, отличное от размещения на расстоянии, структуры или геометрии электродов, для уменьшения или предотвращения накопления струпа, который в противном случае формирует путь тока короткого замыкания и мешает получению заданного хирургического эффекта. В одном аспекте это средство уменьшения или предотвращения накопления струпа состоит по меньшей мере из одного другого электрода, имеющего напряжение постоянного тока между ним и по меньшей мере одним из двух электродов, образующих биполярную конфигурацию переменного тока. В другом аспекте изобретения две или более пар электродов переменного тока, содержащих биполярные электроды, питаются с помощью переменного тока, имеющего ненулевое RMS напряжение, достаточное для того, чтобы, по меньшей мере, уменьшать накопления струпа на одном электроде или индуцировать электролиз по меньшей мере одного компонента среды, окружающей по меньшей мере одну пару биполярных электродов. Электроды отделены друг от друга с помощью электроизоляционных материалов, так чтобы электрический ток не протекал между по меньшей мере двумя из биполярных электродов переменного тока до тех пор, пока они не контактируют по меньшей мере с одной другой электропроводящей средой, такой как ткань пациента или среда,
EA200700344A 2004-07-20 2005-07-20 Многоэлектродный электрохирургический инструмент EA200700344A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58950804P 2004-07-20 2004-07-20
PCT/US2005/025681 WO2006031289A2 (en) 2004-07-20 2005-07-20 Multielectrode electrosurgical instrument

Publications (1)

Publication Number Publication Date
EA200700344A1 true EA200700344A1 (ru) 2007-08-31

Family

ID=36060466

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200700344A EA200700344A1 (ru) 2004-07-20 2005-07-20 Многоэлектродный электрохирургический инструмент

Country Status (7)

Country Link
US (1) US20060025757A1 (ru)
EP (1) EP1778111A4 (ru)
CN (1) CN101056593A (ru)
AU (1) AU2005285459A1 (ru)
CA (1) CA2577985A1 (ru)
EA (1) EA200700344A1 (ru)
WO (1) WO2006031289A2 (ru)

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CA2577985A1 (en) 2006-03-23
WO2006031289A3 (en) 2007-03-22
AU2005285459A1 (en) 2006-03-23
CN101056593A (zh) 2007-10-17
EP1778111A4 (en) 2009-04-01
EP1778111A2 (en) 2007-05-02

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