CA2221414A1 - Electrotherapy device - Google Patents

Electrotherapy device

Info

Publication number
CA2221414A1
CA2221414A1 CA002221414A CA2221414A CA2221414A1 CA 2221414 A1 CA2221414 A1 CA 2221414A1 CA 002221414 A CA002221414 A CA 002221414A CA 2221414 A CA2221414 A CA 2221414A CA 2221414 A1 CA2221414 A1 CA 2221414A1
Authority
CA
Canada
Prior art keywords
biological tissue
current
electrode assembly
generates
controller
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
CA002221414A
Other languages
French (fr)
Other versions
CA2221414C (en
Inventor
John Sobota
Gerald Zagrosh
Muhamed Jamaldin
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.)
688726 ALBERTA Ltd
Original Assignee
688726 Alberta Ltd.
John Sobota
Gerald Zagrosh
Muhamed Jamaldin
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 688726 Alberta Ltd., John Sobota, Gerald Zagrosh, Muhamed Jamaldin filed Critical 688726 Alberta Ltd.
Publication of CA2221414A1 publication Critical patent/CA2221414A1/en
Application granted granted Critical
Publication of CA2221414C publication Critical patent/CA2221414C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/36021—External stimulators, e.g. with patch electrodes for treatment of pain
    • 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
    • A61N1/326—Applying electric currents by contact electrodes alternating or intermittent currents for promoting growth of cells, e.g. bone cells

Abstract

Apparatus for applying electrical current to biological tissue such as skin, bone or muscle. A portable housing (10) can be powered with a battery (24) or attached cord leading to an alternating current or direct current power supply. An amplifier (26) generates a high voltage direct current, and a controller (22) generates a high quality square waveform, output to an electrode assembly (12) in electrical contact with the biological tissue. The electrode assembly comprises at least one negative electrode (16) and at least one positive electrode (14). The electrode assembly is movable relative to the biological tissue so that the current path is continually changing, and comprises a plurality of negative and positive electrodes to create multiple current paths. The controller can selectively modify output signal functions such as the amplitude, pulse rate, pulse sweep, frequency, and frequency sweep rate to provide different electrical currents to the biological tissue.
CA002221414A 1996-03-18 1997-03-14 Electrotherapy device Expired - Fee Related CA2221414C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US61826496A 1996-03-18 1996-03-18
US08/618,264 1996-03-18
PCT/IB1997/000624 WO1997036645A2 (en) 1996-03-18 1997-03-14 Electrotherapy device

Publications (2)

Publication Number Publication Date
CA2221414A1 true CA2221414A1 (en) 1997-10-09
CA2221414C CA2221414C (en) 2006-05-02

Family

ID=24476999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002221414A Expired - Fee Related CA2221414C (en) 1996-03-18 1997-03-14 Electrotherapy device

Country Status (5)

Country Link
US (1) US6249706B1 (en)
EP (1) EP0836514A2 (en)
AU (1) AU3043997A (en)
CA (1) CA2221414C (en)
WO (1) WO1997036645A2 (en)

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Also Published As

Publication number Publication date
AU3043997A (en) 1997-10-22
US6249706B1 (en) 2001-06-19
EP0836514A2 (en) 1998-04-22
CA2221414C (en) 2006-05-02
WO1997036645A3 (en) 1997-11-20
WO1997036645A2 (en) 1997-10-09

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Effective date: 20170314