CA2152821A1 - Corona discharge apparatus - Google Patents

Corona discharge apparatus

Info

Publication number
CA2152821A1
CA2152821A1 CA002152821A CA2152821A CA2152821A1 CA 2152821 A1 CA2152821 A1 CA 2152821A1 CA 002152821 A CA002152821 A CA 002152821A CA 2152821 A CA2152821 A CA 2152821A CA 2152821 A1 CA2152821 A1 CA 2152821A1
Authority
CA
Canada
Prior art keywords
kilovolts
corona discharge
coil assembly
winding
digital waveform
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
CA002152821A
Other languages
French (fr)
Other versions
CA2152821C (en
Inventor
Ray James King
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.)
Electrogesic Corp
Original Assignee
Ray James King
The Electrogesic Corporation
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 Ray James King, The Electrogesic Corporation filed Critical Ray James King
Publication of CA2152821A1 publication Critical patent/CA2152821A1/en
Application granted granted Critical
Publication of CA2152821C publication Critical patent/CA2152821C/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
    • A61N1/10—Applying static electricity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00—Devices providing for corona discharge
    • H01T19/04—Devices providing for corona discharge having pointed electrodes

Abstract

A power amplifier for use in medical and veterinay testing and therapy. A
tunable pulse-width-modulated signal generator (110) is connected to a gating element (120) to provide a digital waveform suitable for comprehensive control of the waveform shape and average output power provided by the apparatus. The digital waveform controls a power driver (130). Through use of a high-Q resonant circuit including a capacitor and a primary winding (150), a coil assembly (1), a voltage of about 150-400 volts is increased to about 10 kilovolts at the primary winding (150). The coil assembly has a secondary:primary turns ratio of 10:1, resulting in a signal of about 100 kilovolts at the output of the secondary winding (170). This arrangement produces a corona discharge at a discharge pin (320) connected to the secondary winding (170). A manual tuning embodiment and a self tuning embodiment are disclosed.
CA002152821A 1992-12-29 1993-12-29 Corona discharge apparatus Expired - Fee Related CA2152821C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/997,907 1992-12-29
US07/997,907 US5317155A (en) 1992-12-29 1992-12-29 Corona discharge apparatus
PCT/US1993/012398 WO1994015391A1 (en) 1992-12-29 1993-12-29 Corona discharge apparatus

Publications (2)

Publication Number Publication Date
CA2152821A1 true CA2152821A1 (en) 1994-07-07
CA2152821C CA2152821C (en) 2005-03-29

Family

ID=25544543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002152821A Expired - Fee Related CA2152821C (en) 1992-12-29 1993-12-29 Corona discharge apparatus

Country Status (10)

Country Link
US (1) US5317155A (en)
EP (1) EP0680667B1 (en)
JP (1) JPH08507634A (en)
AT (1) ATE237878T1 (en)
AU (1) AU5955994A (en)
CA (1) CA2152821C (en)
DE (1) DE69332887T2 (en)
ES (1) ES2197161T3 (en)
TR (1) TR27728A (en)
WO (1) WO1994015391A1 (en)

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US8347891B2 (en) 2002-04-08 2013-01-08 Medtronic Ardian Luxembourg S.A.R.L. Methods and apparatus for performing a non-continuous circumferential treatment of a body lumen
US7653438B2 (en) 2002-04-08 2010-01-26 Ardian, Inc. Methods and apparatus for renal neuromodulation
US8145316B2 (en) 2002-04-08 2012-03-27 Ardian, Inc. Methods and apparatus for renal neuromodulation
US8150519B2 (en) 2002-04-08 2012-04-03 Ardian, Inc. Methods and apparatus for bilateral renal neuromodulation
US8774913B2 (en) 2002-04-08 2014-07-08 Medtronic Ardian Luxembourg S.A.R.L. Methods and apparatus for intravasculary-induced neuromodulation
US7162303B2 (en) 2002-04-08 2007-01-09 Ardian, Inc. Renal nerve stimulation method and apparatus for treatment of patients
US7620451B2 (en) 2005-12-29 2009-11-17 Ardian, Inc. Methods and apparatus for pulsed electric field neuromodulation via an intra-to-extravascular approach
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Also Published As

Publication number Publication date
CA2152821C (en) 2005-03-29
JPH08507634A (en) 1996-08-13
EP0680667A1 (en) 1995-11-08
DE69332887D1 (en) 2003-05-22
AU5955994A (en) 1994-07-19
US5317155A (en) 1994-05-31
DE69332887T2 (en) 2004-03-18
EP0680667A4 (en) 1996-10-30
ES2197161T3 (en) 2004-01-01
EP0680667B1 (en) 2003-04-16
ATE237878T1 (en) 2003-05-15
TR27728A (en) 1995-06-27
WO1994015391A1 (en) 1994-07-07

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