GB1337824A - Electromedical device - Google Patents

Electromedical device

Info

Publication number
GB1337824A
GB1337824A GB1951671*[A GB1337824DA GB1337824A GB 1337824 A GB1337824 A GB 1337824A GB 1337824D A GB1337824D A GB 1337824DA GB 1337824 A GB1337824 A GB 1337824A
Authority
GB
United Kingdom
Prior art keywords
current
interference
circuit
circuits
electrodes
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
GB1951671*[A
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.)
NEMECTRON GmbH
Deutsche Nemectron GmbH
Original Assignee
NEMECTRON GmbH
Deutsche Nemectron GmbH
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
Priority claimed from DE19681764672 external-priority patent/DE1764672C/en
Application filed by NEMECTRON GmbH, Deutsche Nemectron GmbH filed Critical NEMECTRON GmbH
Publication of GB1337824A publication Critical patent/GB1337824A/en
Expired 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
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/323—Interference currents, i.e. treatment by several currents summed in the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)

Abstract

1337824 Electromedical device DEUTSCHE NEMECTRON GmbH 8 June 1971 19516/71 Heading A5R An electromedical device for interference current therapy comprises at least two mutually independent electrical circuits 2, 3 each including a pair of electrodes 23, 24 and 33, 34, means for producing a high frequency current in each circuit which per se has no stimulating effect upon living material and which differs from the current in the other circuit by a low frequency value, and current strength regulating means 25, 35 included in the circuits which allows a vector of maximum current interference to be moved over a patient without movement of the electrodes. The two circuits shown consist of oscillators 21, 31 supplying a frequency of about 4 KH 2 , amplifiers 22, 23, current regulating members 25, 35, and electrodes 23, 24, 33, 34. The current interference, which may vary from 0-100%, is represented by a vector field 4, 8, 9 which indicates the percentage amount and direction of the interference. Consequently, the shape of the interference field depends on the electrode arrangement. Regions 6, 7 may be treated with 100% interference by altering the current strength of a circuit via a regulating member 25, 35 in directions 26, 36 or 27, 37, so that an alteration of +2X in one circuit and -X in the other circuit is obtained. This causes the vector 4, which corresponds to the maximum interference, to move into positions 8, 9 and by rhythmically changing the current strengths in the circuits 2, 3, the entire treatment surface may be covered by regions of 100% current interference.
GB1951671*[A 1968-07-16 1971-06-08 Electromedical device Expired GB1337824A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19681764672 DE1764672C (en) 1968-07-16 Electromedical device for interference current therapy
FR7119957A FR2139726B1 (en) 1968-07-16 1971-06-02
NLAANVRAGE7107590,A NL175141C (en) 1968-07-16 1971-06-02 ELECTROMEDICAL DEVICE FOR INTERFERENCE FLOW THERAPY.
BE768082A BE768082A (en) 1968-07-16 1971-06-04 ELECTRO-MEDICAL DEVICE FOR INTERFERENTIAL CURRENT THERAPY
GB1951671 1971-06-08

Publications (1)

Publication Number Publication Date
GB1337824A true GB1337824A (en) 1973-11-21

Family

ID=27507744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1951671*[A Expired GB1337824A (en) 1968-07-16 1971-06-08 Electromedical device

Country Status (4)

Country Link
BE (1) BE768082A (en)
FR (1) FR2139726B1 (en)
GB (1) GB1337824A (en)
NL (1) NL175141C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0518546A2 (en) * 1991-06-11 1992-12-16 Physio-Control Corporation Reduced current cardiac pacing apparatus
EP0574608A1 (en) * 1992-06-17 1993-12-22 Pacesetter AB Defibrillator/cardioverter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0518546A2 (en) * 1991-06-11 1992-12-16 Physio-Control Corporation Reduced current cardiac pacing apparatus
EP0518546A3 (en) * 1991-06-11 1993-01-27 Physio-Control Corporation Reduced current cardiac pacing apparatus
US5330506A (en) * 1991-06-11 1994-07-19 Physio-Control Corporation Reduced current cardiac pacing apparatus
EP0574608A1 (en) * 1992-06-17 1993-12-22 Pacesetter AB Defibrillator/cardioverter
US5397336A (en) * 1992-06-17 1995-03-14 Siemens Aktiengesellschaft Defibrillator/cardioverter

Also Published As

Publication number Publication date
DE1764672A1 (en) 1972-03-23
NL7107590A (en) 1972-12-05
BE768082A (en) 1971-11-03
FR2139726A1 (en) 1973-01-12
DE1764672B2 (en) 1973-01-11
NL175141C (en) 1984-10-01
FR2139726B1 (en) 1975-08-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee