DE3830193A1 - Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie - Google Patents

Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie

Info

Publication number
DE3830193A1
DE3830193A1 DE19883830193 DE3830193A DE3830193A1 DE 3830193 A1 DE3830193 A1 DE 3830193A1 DE 19883830193 DE19883830193 DE 19883830193 DE 3830193 A DE3830193 A DE 3830193A DE 3830193 A1 DE3830193 A1 DE 3830193A1
Authority
DE
Germany
Prior art keywords
measuring unit
catheter
frequency generator
unit
voltage
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.)
Granted
Application number
DE19883830193
Other languages
German (de)
English (en)
Other versions
DE3830193C2 (enExample
Inventor
Max Dr Hubmann
Roger Prof Dr Ing Thull
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19883830193 priority Critical patent/DE3830193A1/de
Priority to CH320789A priority patent/CH680702A5/de
Publication of DE3830193A1 publication Critical patent/DE3830193A1/de
Application granted granted Critical
Publication of DE3830193C2 publication Critical patent/DE3830193C2/de
Granted legal-status Critical Current

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
    • A61B18/1206—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
    • 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
    • A61B2018/00404—Blood vessels other than those in or around the heart
    • A61B2018/00422—Angioplasty
    • 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
    • A61B2018/00666—Sensing and controlling the application of energy using a threshold value
    • 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
    • A61B2018/00666—Sensing and controlling the application of energy using a threshold value
    • A61B2018/00678—Sensing and controlling the application of energy using a threshold value upper
    • 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
    • A61B2018/00702—Power or energy
    • 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
    • A61B2018/00702—Power or energy
    • A61B2018/00708—Power or energy switching the power on or off
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00827—Current
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00875—Resistance or impedance
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00892—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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A61B2018/1861—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument inserted into a body lumen or cavity, e.g. a catheter

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)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
DE19883830193 1988-09-06 1988-09-06 Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie Granted DE3830193A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19883830193 DE3830193A1 (de) 1988-09-06 1988-09-06 Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie
CH320789A CH680702A5 (enExample) 1988-09-06 1989-09-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883830193 DE3830193A1 (de) 1988-09-06 1988-09-06 Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie

Publications (2)

Publication Number Publication Date
DE3830193A1 true DE3830193A1 (de) 1990-03-15
DE3830193C2 DE3830193C2 (enExample) 1990-10-18

Family

ID=6362337

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883830193 Granted DE3830193A1 (de) 1988-09-06 1988-09-06 Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie

Country Status (2)

Country Link
CH (1) CH680702A5 (enExample)
DE (1) DE3830193A1 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4009819A1 (de) * 1990-03-27 1991-10-02 Siemens Ag Hf-chirurgiegeraet
EP0558317A3 (en) * 1992-02-27 1993-12-22 G2 Design Ltd Cauterising apparatus
EP0717967A3 (en) * 1994-12-22 1996-08-14 Ethicon Endo Surgery Inc Impedance feedback monitoring for electrosurgical instrument
WO1996039086A1 (en) * 1995-06-06 1996-12-12 Valleylab Inc. Power control for an electrosurgical generator
DE19623840A1 (de) * 1996-06-14 1997-12-18 Berchtold Gmbh & Co Geb Elektrochirurgischer Hochfrequenz-Generator
EP0740533A4 (en) * 1994-01-18 1998-01-14 Endovascular Inc APPARATUS AND METHOD FOR VENOUS TIE
US5817093A (en) * 1993-07-22 1998-10-06 Ethicon Endo-Surgery, Inc. Impedance feedback monitor with query electrode for electrosurgical instrument

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026508A1 (de) 2000-05-24 2001-11-29 Kai Desinger Chirurgische Hohlsonde

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051650A1 (de) * 1980-05-09 1982-05-19 SCHWARZ, Johann Sitz, insbesondere bürostuhl
EP0136855A2 (en) * 1983-09-13 1985-04-10 Valleylab, Inc. Electrosurgical generator
DE3516830C2 (enExample) * 1985-05-10 1987-07-23 Max Dr. 8520 Erlangen De Hubmann
DE3120102C2 (enExample) * 1981-05-20 1987-08-20 Fischer Met Gmbh, 7800 Freiburg, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051650A1 (de) * 1980-05-09 1982-05-19 SCHWARZ, Johann Sitz, insbesondere bürostuhl
DE3120102C2 (enExample) * 1981-05-20 1987-08-20 Fischer Met Gmbh, 7800 Freiburg, De
EP0136855A2 (en) * 1983-09-13 1985-04-10 Valleylab, Inc. Electrosurgical generator
DE3516830C2 (enExample) * 1985-05-10 1987-07-23 Max Dr. 8520 Erlangen De Hubmann

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MUNDINGER, F., RIECHERT, T., GABRIEL, E.: Untersuchungen zu den physikalischen und technischen Voraussetzungen einer dosierten Hochfrequenzkoagulation bei stereotaktischen Hirnoperationen. In: Zentralblatt für Chirurgie 1960, H. 19, S. 1051-1063 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4009819A1 (de) * 1990-03-27 1991-10-02 Siemens Ag Hf-chirurgiegeraet
US5167660A (en) * 1990-03-27 1992-12-01 Siemens Aktiengesellschaft Hf surgery device
EP0558317A3 (en) * 1992-02-27 1993-12-22 G2 Design Ltd Cauterising apparatus
US5423810A (en) * 1992-02-27 1995-06-13 G2 Design Limited Cauterising apparatus
US5817093A (en) * 1993-07-22 1998-10-06 Ethicon Endo-Surgery, Inc. Impedance feedback monitor with query electrode for electrosurgical instrument
EP0740533A4 (en) * 1994-01-18 1998-01-14 Endovascular Inc APPARATUS AND METHOD FOR VENOUS TIE
EP0717967A3 (en) * 1994-12-22 1996-08-14 Ethicon Endo Surgery Inc Impedance feedback monitoring for electrosurgical instrument
EP1157666A1 (en) * 1994-12-22 2001-11-28 Ethicon Endo-Surgery Impedance feedback monitor for electrosurgical instrument
WO1996039086A1 (en) * 1995-06-06 1996-12-12 Valleylab Inc. Power control for an electrosurgical generator
DE19623840A1 (de) * 1996-06-14 1997-12-18 Berchtold Gmbh & Co Geb Elektrochirurgischer Hochfrequenz-Generator
US5976128A (en) * 1996-06-14 1999-11-02 Gebrueder Berchtold Gmbh & Co. Electrosurgical high frequency generator

Also Published As

Publication number Publication date
DE3830193C2 (enExample) 1990-10-18
CH680702A5 (enExample) 1992-10-30

Similar Documents

Publication Publication Date Title
DE69431950T2 (de) Vorrichtung zur endomitrialen ablation
EP1753356B1 (de) Verfahren und Messvorrichtung zur Bestimmung der Übergangsimpendanz zwischen zwei Teilelektroden einer geteilten Neutralelektrode
EP2367493B1 (de) Elektrochirurgisches gerät mit einer temperaturmesseinrichtung zur bestimmung einer temperatur und/oder einer temperaturänderung an einer neutralelektrode
DE69317549T2 (de) Unterdrückung von stör-einstreuungen in physiologischen mess-signalen
DE2216281C3 (de) Verfahren und Anordnung zum Messen der Strömungsgeschwindigkeit von Flüssigkeiten
DE3516354C2 (enExample)
DE3544443C2 (de) HF-Chirurgiegerät
EP1355579B1 (de) Vorrichtung zur elektrothermischen behandlung des menschlichen oder tierischen körpers
DE69428664T2 (de) System für Vermessung und Ablation des Endocardium
DE69233091T2 (de) Ablationselektrode mit isoliertem temperaturmesselement
DE102007051097A1 (de) HF-Chirurgiegerät und Verfahren für ein HF-Chirurgiegerät
DE2614434A1 (de) Vorrichtung zur sterilisation mittels transuteriner tubenkoagulation
DE102005031751B4 (de) Elektroimpedanztomographie-Gerät mit Gleichtaktsignalunterdrückung
EP2992848B1 (de) Einrichtung zur kontaktkoagulation von biologischem gewebe
DE3824913A1 (de) Einrichtung zur ueberwachung von hochfrequenten elektrischen leckstroemen
DE10224154A1 (de) Vorrichtung zum elektrochirurgischen Veröden von Körpergewebe
EP0925761A1 (de) Verfahren zum Betrieb einer Hochfrequenz-Ablationsvorrichtung und Vorrichtung für die Hochfrequenz-Gewebe-Ablation
DE3206947A1 (de) Neutrale elektrode fuer die hochfrequenz-chirurgie
DE3830193A1 (de) Verfahren und elektrische schaltung zur ermittlung und/oder begrenzung einer mittels katheter zugefuehrten hochfrequenzenergie
DE2939234C2 (de) Elektromedizinisches Gerät für die Reizstrombehandlung
EP3011923B1 (de) Einrichtung zur Metallerkennung bei der Einwirkung auf biologisches Gewebe mittels eines funkenbildenden elektrochirurgischen Instruments
EP2305112A1 (de) Bioimpedanzmessvorrichtung
EP1112720A1 (de) Vorrichtung für die Behandlung von biologischem Gewebe mittels Hochfrequenzstrom
WO2006015938A1 (de) Physiologisches sensorsystem
WO2020259902A1 (de) Verfahren zur ermittlung eines lokalen gewebetyps eines körpergewebes und medizinisches system zur ausführung eines solchen verfahrens

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee