JP2002522183A - 伸長可能な濡れ電極 - Google Patents

伸長可能な濡れ電極

Info

Publication number
JP2002522183A
JP2002522183A JP2000564710A JP2000564710A JP2002522183A JP 2002522183 A JP2002522183 A JP 2002522183A JP 2000564710 A JP2000564710 A JP 2000564710A JP 2000564710 A JP2000564710 A JP 2000564710A JP 2002522183 A JP2002522183 A JP 2002522183A
Authority
JP
Japan
Prior art keywords
electrode
distal end
electrodes
guide member
wetting
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
JP2000564710A
Other languages
English (en)
Japanese (ja)
Inventor
ニー,イーチェン
ミャオ,イー
マルシャル,ギー
Original Assignee
ケイ・ユー・リューヴェン・リサーチ・アンド・デヴェロップメント
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 ケイ・ユー・リューヴェン・リサーチ・アンド・デヴェロップメント filed Critical ケイ・ユー・リューヴェン・リサーチ・アンド・デヴェロップメント
Publication of JP2002522183A publication Critical patent/JP2002522183A/ja
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/02Details
    • A61N1/04Electrodes
    • A61N1/06Electrodes for high-frequency therapy
    • 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
    • A61B18/1477Needle-like probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/40Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • 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
    • A61B2018/00005Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A61B2018/00023Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
    • 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
    • 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
    • A61B18/1206Generators therefor
    • A61B2018/1246Generators therefor characterised by the output polarity
    • A61B2018/126Generators therefor characterised by the output polarity bipolar
    • 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
    • A61B2018/1425Needle
    • A61B2018/143Needle multiple needles
    • 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
    • A61B2018/1425Needle
    • A61B2018/1432Needle curved
    • 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
    • A61B2018/1472Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
  • Electrotherapy Devices (AREA)
  • Photovoltaic Devices (AREA)
  • Thermistors And Varistors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Primary Cells (AREA)
  • Secondary Cells (AREA)
JP2000564710A 1998-08-14 1999-08-13 伸長可能な濡れ電極 Pending JP2002522183A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1009868 1998-08-14
NL1009868 1998-08-14
PCT/BE1999/000107 WO2000009209A1 (en) 1998-08-14 1999-08-13 Expandable wet electrode

Publications (1)

Publication Number Publication Date
JP2002522183A true JP2002522183A (ja) 2002-07-23

Family

ID=19767651

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2000564710A Pending JP2002522183A (ja) 1998-08-14 1999-08-13 伸長可能な濡れ電極
JP2000564709A Expired - Fee Related JP4138249B2 (ja) 1998-08-14 1999-08-13 高周波エネルギー放出デバイス

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2000564709A Expired - Fee Related JP4138249B2 (ja) 1998-08-14 1999-08-13 高周波エネルギー放出デバイス

Country Status (9)

Country Link
US (1) US6514251B1 (US07585860-20090908-C00112.png)
EP (2) EP1104328A1 (US07585860-20090908-C00112.png)
JP (2) JP2002522183A (US07585860-20090908-C00112.png)
CN (2) CN1191873C (US07585860-20090908-C00112.png)
AT (1) ATE280617T1 (US07585860-20090908-C00112.png)
AU (2) AU5402899A (US07585860-20090908-C00112.png)
DE (1) DE69921482T2 (US07585860-20090908-C00112.png)
ES (1) ES2228083T3 (US07585860-20090908-C00112.png)
WO (2) WO2000009209A1 (US07585860-20090908-C00112.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003534037A (ja) * 2000-03-17 2003-11-18 リタ メディカル システムズ インコーポレイテッド 肺処置装置

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Also Published As

Publication number Publication date
EP1104327A1 (en) 2001-06-06
WO2000009208A1 (en) 2000-02-24
DE69921482T2 (de) 2005-12-15
JP2002522182A (ja) 2002-07-23
JP4138249B2 (ja) 2008-08-27
ATE280617T1 (de) 2004-11-15
WO2000009209A1 (en) 2000-02-24
US6514251B1 (en) 2003-02-04
AU5402899A (en) 2000-03-06
EP1104328A1 (en) 2001-06-06
DE69921482D1 (de) 2004-12-02
CN1191873C (zh) 2005-03-09
CN1323233A (zh) 2001-11-21
AU5365599A (en) 2000-03-06
CN1323234A (zh) 2001-11-21
ES2228083T3 (es) 2005-04-01
EP1104327B1 (en) 2004-10-27

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