AT384358B - DEVICE FOR DETECTING HIGH-FREQUENCY ERROR CURRENTS - Google Patents

DEVICE FOR DETECTING HIGH-FREQUENCY ERROR CURRENTS

Info

Publication number
AT384358B
AT384358B AT127585A AT127585A AT384358B AT 384358 B AT384358 B AT 384358B AT 127585 A AT127585 A AT 127585A AT 127585 A AT127585 A AT 127585A AT 384358 B AT384358 B AT 384358B
Authority
AT
Austria
Prior art keywords
frequency error
detecting high
error currents
currents
detecting
Prior art date
Application number
AT127585A
Other languages
German (de)
Other versions
ATA127585A (en
Original Assignee
Hill Thomas
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 Hill Thomas filed Critical Hill Thomas
Priority to AT127585A priority Critical patent/AT384358B/en
Priority to DE19863610393 priority patent/DE3610393A1/en
Publication of ATA127585A publication Critical patent/ATA127585A/en
Application granted granted Critical
Publication of AT384358B publication Critical patent/AT384358B/en

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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
AT127585A 1985-04-29 1985-04-29 DEVICE FOR DETECTING HIGH-FREQUENCY ERROR CURRENTS AT384358B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT127585A AT384358B (en) 1985-04-29 1985-04-29 DEVICE FOR DETECTING HIGH-FREQUENCY ERROR CURRENTS
DE19863610393 DE3610393A1 (en) 1985-04-29 1986-03-27 Method and evaluation component for determining high-frequency (radio-frequency) fault currents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT127585A AT384358B (en) 1985-04-29 1985-04-29 DEVICE FOR DETECTING HIGH-FREQUENCY ERROR CURRENTS

Publications (2)

Publication Number Publication Date
ATA127585A ATA127585A (en) 1987-04-15
AT384358B true AT384358B (en) 1987-11-10

Family

ID=3510362

Family Applications (1)

Application Number Title Priority Date Filing Date
AT127585A AT384358B (en) 1985-04-29 1985-04-29 DEVICE FOR DETECTING HIGH-FREQUENCY ERROR CURRENTS

Country Status (2)

Country Link
AT (1) AT384358B (en)
DE (1) DE3610393A1 (en)

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 (en) * 1988-07-22 1990-02-01 Thomas Hill Device for monitoring high-frequency (radio-frequency) electric leakage currents
GB9125280D0 (en) * 1991-11-28 1992-01-29 Smiths Industries Plc Patient support tables and monitors
US9833281B2 (en) 2008-08-18 2017-12-05 Encision Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications
US8500728B2 (en) * 2008-08-18 2013-08-06 Encision, Inc. Enhanced control systems including flexible shielding and support systems for electrosurgical applications

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2427861A1 (en) * 1973-09-18 1975-04-24 Inst Rade Koncar WIRING OF A PROTECTION SYSTEM FOR THE AUTOMATIC, SELECTIVE DISCONNECTION OF AN ELECTRICAL POWER SUPPLY WITH AN EARTH OR SHORT CIRCUIT
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
US4231372A (en) * 1974-11-04 1980-11-04 Valleylab, Inc. Safety monitoring circuit for electrosurgical unit
DE3307443A1 (en) * 1983-03-03 1984-09-06 Datron-Electronic Pichl & Schulte KG, 6109 Mühltal Fault-protection circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2427861A1 (en) * 1973-09-18 1975-04-24 Inst Rade Koncar WIRING OF A PROTECTION SYSTEM FOR THE AUTOMATIC, SELECTIVE DISCONNECTION OF AN ELECTRICAL POWER SUPPLY WITH AN EARTH OR 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 (en) * 1983-03-03 1984-09-06 Datron-Electronic Pichl & Schulte KG, 6109 Mühltal Fault-protection circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZEITSCHRIFT ELEKTRISCHE ENERGIE-TECHNIK, 24. JAHRGANG, 1979, NR. 7; KURT NOWAK: ''PRAKTISCHE ANWENDUNG DER FEHLERSTROMSCHUTZSCHALTUNG'' SEITEN 332 BIS 340; *

Also Published As

Publication number Publication date
ATA127585A (en) 1987-04-15
DE3610393C2 (en) 1989-03-16
DE3610393A1 (en) 1986-10-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties