NO984741L - Fuktighetstransportsystem for kontakt-elektrokoagulering - Google Patents

Fuktighetstransportsystem for kontakt-elektrokoagulering

Info

Publication number
NO984741L
NO984741L NO984741A NO984741A NO984741L NO 984741 L NO984741 L NO 984741L NO 984741 A NO984741 A NO 984741A NO 984741 A NO984741 A NO 984741A NO 984741 L NO984741 L NO 984741L
Authority
NO
Norway
Prior art keywords
tissue
moisture
electrodes
electrode
current
Prior art date
Application number
NO984741A
Other languages
English (en)
Other versions
NO984741D0 (no
Inventor
Csaba Truckai
David C Auth
Original Assignee
Novacept
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 Novacept filed Critical Novacept
Publication of NO984741D0 publication Critical patent/NO984741D0/no
Publication of NO984741L publication Critical patent/NO984741L/no

Links

Classifications

    • 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
    • A61B18/1485Probes or electrodes therefor having a short rigid shaft for accessing the inner body through natural openings
    • 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0475Tracheal tubes having openings in the tube
    • A61M16/0477Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids
    • A61M16/0481Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids through the cuff wall
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22051Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42Gynaecological or obstetrical instruments or methods
    • A61B2017/4216Operations on uterus, e.g. endometrium
    • 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
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06Measuring instruments not otherwise provided for
    • A61B2090/064Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
    • A61B2090/065Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension for measuring contact or contact pressure

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Anesthesiology (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)
  • Resistance Heating (AREA)
  • Drying Of Gases (AREA)
  • Glass Compositions (AREA)
  • Electrotherapy Devices (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Et apparat og en fremgangsmåte for bruk til å utføre ablasjon av organer og annet vev omfatter en elektrodebærende del som er i det vesentlige absorberende og/eller gjennomtrengelig for fuktighet. Den elektrodebærende del er montert på den fjerne ende av et langstrakt skaft, og et system av elektroder er montert på overflaten av den elektrodebærende del. Etter plassering av ablasjonsanordningen i kontakt med vev som skal ablateres, blir en radiofrekvensgenerator brukt til å levere radiofrekvensenergi til elektrodene for dermed å indusere strøm fra elektrodene til vev som skal ablateres. Mens strømmen varmer opp vevet, vil fuktighet (så som vanndamp eller væske) forlate vevet og forårsake at vevet blir dehydrert. Fuktighetsgj ennomtrengelig-heten og/eller absorpsjonsevnen av den elektrodebærende del tillater at fuktigheten forlater ablasjonsstedet for å hindre at fuktigheten danner en ledende bane for strømmen.
NO984741A 1996-04-12 1998-10-09 Fuktighetstransportsystem for kontakt-elektrokoagulering NO984741L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/632,516 US5769880A (en) 1996-04-12 1996-04-12 Moisture transport system for contact electrocoagulation
PCT/US1997/005927 WO1997038637A1 (en) 1996-04-12 1997-04-10 A moisture transport system for contact electrocoagulation

Publications (2)

Publication Number Publication Date
NO984741D0 NO984741D0 (no) 1998-10-09
NO984741L true NO984741L (no) 1998-12-08

Family

ID=24535818

Family Applications (1)

Application Number Title Priority Date Filing Date
NO984741A NO984741L (no) 1996-04-12 1998-10-09 Fuktighetstransportsystem for kontakt-elektrokoagulering

Country Status (13)

Country Link
US (1) US5769880A (no)
EP (2) EP1415607B1 (no)
JP (1) JP3942639B2 (no)
KR (1) KR20000005488A (no)
CN (1) CN1220590A (no)
AT (2) ATE451066T1 (no)
AU (1) AU721648B2 (no)
BR (1) BR9708644A (no)
CA (1) CA2251216A1 (no)
DE (2) DE69739697D1 (no)
IL (1) IL126471A0 (no)
NO (1) NO984741L (no)
WO (1) WO1997038637A1 (no)

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JP2000508561A (ja) 2000-07-11
JP3942639B2 (ja) 2007-07-11
ATE297696T1 (de) 2005-07-15
DE69733556D1 (de) 2005-07-21
EP0898465B1 (en) 2005-06-15
DE69739697D1 (de) 2010-01-21
EP1415607A1 (en) 2004-05-06
US5769880A (en) 1998-06-23
DE69733556T2 (de) 2006-07-20
CA2251216A1 (en) 1997-10-23
WO1997038637A1 (en) 1997-10-23
BR9708644A (pt) 2000-01-04
EP1415607B1 (en) 2009-12-09
AU2558597A (en) 1997-11-07
KR20000005488A (ko) 2000-01-25
EP0898465A2 (en) 1999-03-03
NO984741D0 (no) 1998-10-09
IL126471A0 (en) 1999-08-17
ATE451066T1 (de) 2009-12-15
CN1220590A (zh) 1999-06-23
AU721648B2 (en) 2000-07-13

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