DE69921482D1 - Flüssigkeitsgekühlte nasse elektrode - Google Patents

Flüssigkeitsgekühlte nasse elektrode

Info

Publication number
DE69921482D1
DE69921482D1 DE69921482T DE69921482T DE69921482D1 DE 69921482 D1 DE69921482 D1 DE 69921482D1 DE 69921482 T DE69921482 T DE 69921482T DE 69921482 T DE69921482 T DE 69921482T DE 69921482 D1 DE69921482 D1 DE 69921482D1
Authority
DE
Germany
Prior art keywords
electrode
wetting
radio frequency
distal end
cooling
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.)
Expired - Lifetime
Application number
DE69921482T
Other languages
English (en)
Other versions
DE69921482T2 (de
Inventor
Yicheng Ni
Yi Miao
Guy Marchal
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.)
KU Leuven Research and Development
Original Assignee
KU Leuven Research and Development
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 KU Leuven Research and Development filed Critical KU Leuven Research and Development
Publication of DE69921482D1 publication Critical patent/DE69921482D1/de
Application granted granted Critical
Publication of DE69921482T2 publication Critical patent/DE69921482T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • 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
    • A61B18/1477—Needle-like probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • 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
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
    • 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
    • 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
    • A61B2018/1425—Needle
    • A61B2018/143—Needle multiple needles
    • 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
    • A61B2018/1425—Needle
    • A61B2018/1432—Needle curved
    • 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
    • A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
DE69921482T 1998-08-14 1999-08-13 Flüssigkeitsgekühlte nasse elektrode Expired - Lifetime DE69921482T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1009868 1998-08-14
NL1009868 1998-08-14
PCT/BE1999/000106 WO2000009208A1 (en) 1998-08-14 1999-08-13 Cooled-wet electrode

Publications (2)

Publication Number Publication Date
DE69921482D1 true DE69921482D1 (de) 2004-12-02
DE69921482T2 DE69921482T2 (de) 2005-12-15

Family

ID=19767651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69921482T Expired - Lifetime DE69921482T2 (de) 1998-08-14 1999-08-13 Flüssigkeitsgekühlte nasse elektrode

Country Status (9)

Country Link
US (1) US6514251B1 (de)
EP (2) EP1104327B1 (de)
JP (2) JP2002522183A (de)
CN (2) CN1323234A (de)
AT (1) ATE280617T1 (de)
AU (2) AU5402899A (de)
DE (1) DE69921482T2 (de)
ES (1) ES2228083T3 (de)
WO (2) WO2000009208A1 (de)

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Also Published As

Publication number Publication date
CN1323234A (zh) 2001-11-21
ATE280617T1 (de) 2004-11-15
CN1191873C (zh) 2005-03-09
ES2228083T3 (es) 2005-04-01
CN1323233A (zh) 2001-11-21
JP2002522182A (ja) 2002-07-23
AU5402899A (en) 2000-03-06
EP1104328A1 (de) 2001-06-06
WO2000009209A1 (en) 2000-02-24
WO2000009208A1 (en) 2000-02-24
US6514251B1 (en) 2003-02-04
JP2002522183A (ja) 2002-07-23
DE69921482T2 (de) 2005-12-15
JP4138249B2 (ja) 2008-08-27
EP1104327B1 (de) 2004-10-27
AU5365599A (en) 2000-03-06
EP1104327A1 (de) 2001-06-06

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