DE3610393C2 - - Google Patents

Info

Publication number
DE3610393C2
DE3610393C2 DE19863610393 DE3610393A DE3610393C2 DE 3610393 C2 DE3610393 C2 DE 3610393C2 DE 19863610393 DE19863610393 DE 19863610393 DE 3610393 A DE3610393 A DE 3610393A DE 3610393 C2 DE3610393 C2 DE 3610393C2
Authority
DE
Germany
Prior art keywords
current
converter
frequency
arrangement according
evaluation circuit
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
Application number
DE19863610393
Other languages
German (de)
English (en)
Other versions
DE3610393A1 (de
Inventor
Thomas 2000 Hamburg De Hill
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
Publication of DE3610393A1 publication Critical patent/DE3610393A1/de
Application granted granted Critical
Publication of DE3610393C2 publication Critical patent/DE3610393C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of 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
    • 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
    • A61B18/1233—Generators therefor with circuits for assuring patient safety
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00115—Electrical control of surgical instruments with audible or visual output
    • A61B2017/00119—Electrical control of surgical instruments with audible or visual output alarm; indicating an abnormal situation

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (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)
  • General Physics & Mathematics (AREA)
  • Electrotherapy Devices (AREA)
DE19863610393 1985-04-29 1986-03-27 Verfahren und auswerte-teil zum feststellen von hochfrequenten fehlerstroemen Granted DE3610393A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT127585A AT384358B (de) 1985-04-29 1985-04-29 Vorrichtung zum feststellen von hochfrequenten fehlerstroemen

Publications (2)

Publication Number Publication Date
DE3610393A1 DE3610393A1 (de) 1986-10-30
DE3610393C2 true DE3610393C2 (no) 1989-03-16

Family

ID=3510362

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863610393 Granted DE3610393A1 (de) 1985-04-29 1986-03-27 Verfahren und auswerte-teil zum feststellen von hochfrequenten fehlerstroemen

Country Status (2)

Country Link
AT (1) AT384358B (no)
DE (1) DE3610393A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793345A (en) * 1987-06-24 1988-12-27 Lehmer Donald E High voltage protection circuit for ultrasonic cataract remover
DE3824913A1 (de) * 1988-07-22 1990-02-01 Thomas Hill Einrichtung zur ueberwachung von hochfrequenten elektrischen leckstroemen
GB9125280D0 (en) * 1991-11-28 1992-01-29 Smiths Industries Plc Patient support tables and monitors
US8500728B2 (en) * 2008-08-18 2013-08-06 Encision, Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications
US9833281B2 (en) 2008-08-18 2017-12-05 Encision Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
YU35408B (en) * 1973-09-18 1980-12-31 Rade Koncar Zagreb System arrangement for an automatic selection of an earth-connection and a short-circuit
US4231372A (en) * 1974-11-04 1980-11-04 Valleylab, Inc. Safety monitoring circuit for electrosurgical unit
US4121590A (en) * 1977-03-14 1978-10-24 Dentsply Research And Development Corporation System for monitoring integrity of a patient return circuit
US4200105A (en) * 1978-05-26 1980-04-29 Dentsply Research & Development Corp. Electrosurgical safety circuit
DE3307443A1 (de) * 1983-03-03 1984-09-06 Datron-Electronic Pichl & Schulte KG, 6109 Mühltal Fehlerschutzschaltung

Also Published As

Publication number Publication date
ATA127585A (de) 1987-04-15
DE3610393A1 (de) 1986-10-30
AT384358B (de) 1987-11-10

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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
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee