DE202004016350U1 - Defibrillator has capacitor energy source and H bridge with switches controlling patient current in response to values in pre and post patient impedance branches - Google Patents

Defibrillator has capacitor energy source and H bridge with switches controlling patient current in response to values in pre and post patient impedance branches Download PDF

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Publication number
DE202004016350U1
DE202004016350U1 DE202004016350U DE202004016350U DE202004016350U1 DE 202004016350 U1 DE202004016350 U1 DE 202004016350U1 DE 202004016350 U DE202004016350 U DE 202004016350U DE 202004016350 U DE202004016350 U DE 202004016350U DE 202004016350 U1 DE202004016350 U1 DE 202004016350U1
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DE
Germany
Prior art keywords
defibrillator
bridge
patient
response
energy source
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 - Lifetime
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DE202004016350U
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German (de)
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.)
Corscience & Co KG GmbH
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Corscience & Co KG GmbH
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Publication date
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Priority to DE202004016350U priority Critical patent/DE202004016350U1/en
Publication of DE202004016350U1 publication Critical patent/DE202004016350U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3975—Power supply
    • 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
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3975—Power supply
    • A61N1/3981—High voltage charging circuitry

Abstract

A defibrillator has a capacitor energy source and H bridge with either high side (10, 20) or low side (30-40) switches controlling the patient current in response to comparison of measured (c) and required values in the pre or post patient impedance (R) connection branches.
DE202004016350U 2003-10-29 2004-10-21 Defibrillator has capacitor energy source and H bridge with switches controlling patient current in response to values in pre and post patient impedance branches Expired - Lifetime DE202004016350U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202004016350U DE202004016350U1 (en) 2003-10-29 2004-10-21 Defibrillator has capacitor energy source and H bridge with switches controlling patient current in response to values in pre and post patient impedance branches

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10350539 2003-10-29
DE202004016350U DE202004016350U1 (en) 2003-10-29 2004-10-21 Defibrillator has capacitor energy source and H bridge with switches controlling patient current in response to values in pre and post patient impedance branches

Publications (1)

Publication Number Publication Date
DE202004016350U1 true DE202004016350U1 (en) 2005-03-17

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Family Applications (1)

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DE202004016350U Expired - Lifetime DE202004016350U1 (en) 2003-10-29 2004-10-21 Defibrillator has capacitor energy source and H bridge with switches controlling patient current in response to values in pre and post patient impedance branches

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DE (1) DE202004016350U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006115922A2 (en) * 2005-04-26 2006-11-02 Cameron Health, Inc. Methods and implantable devices for inducing fibrillation by alternating constant current
WO2008036869A1 (en) * 2006-09-22 2008-03-27 Cameron Health, Inc. Method and device for implantable cardiac stimulus device lead impedance measurement
CN102974038A (en) * 2012-12-20 2013-03-20 久心医疗科技（苏州）有限公司 Extended H-bridge circuit in defibrillator capable of generating biphasic sawtooth discharging waveform
CN102974039A (en) * 2012-12-20 2013-03-20 久心医疗科技（苏州）有限公司 Defibrillator output stage with H bridge circuit and diphase sawtooth square wave defibrillation high-voltage discharge method
CN102974040A (en) * 2012-12-20 2013-03-20 久心医疗科技（苏州）有限公司 Defibrillator with extended H bridge circuit output stage and biphase sawtooth square wave high-voltage discharge method for defibrillating
US9056207B2 (en) 2010-12-16 2015-06-16 Shenzhen Mindray Bio-Medical Electronics Co., Ltd Biphasic defibrillation circuit and defibrillator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006115922A2 (en) * 2005-04-26 2006-11-02 Cameron Health, Inc. Methods and implantable devices for inducing fibrillation by alternating constant current
WO2006115922A3 (en) * 2005-04-26 2007-02-15 Cameron Health Inc Methods and implantable devices for inducing fibrillation by alternating constant current
WO2008036869A1 (en) * 2006-09-22 2008-03-27 Cameron Health, Inc. Method and device for implantable cardiac stimulus device lead impedance measurement
US7877139B2 (en) 2006-09-22 2011-01-25 Cameron Health, Inc. Method and device for implantable cardiac stimulus device lead impedance measurement
US9056207B2 (en) 2010-12-16 2015-06-16 Shenzhen Mindray Bio-Medical Electronics Co., Ltd Biphasic defibrillation circuit and defibrillator
CN102974038A (en) * 2012-12-20 2013-03-20 久心医疗科技（苏州）有限公司 Extended H-bridge circuit in defibrillator capable of generating biphasic sawtooth discharging waveform
CN102974039A (en) * 2012-12-20 2013-03-20 久心医疗科技（苏州）有限公司 Defibrillator output stage with H bridge circuit and diphase sawtooth square wave defibrillation high-voltage discharge method
CN102974040A (en) * 2012-12-20 2013-03-20 久心医疗科技（苏州）有限公司 Defibrillator with extended H bridge circuit output stage and biphase sawtooth square wave high-voltage discharge method for defibrillating
CN102974040B (en) * 2012-12-20 2014-10-29 久心医疗科技（苏州）有限公司 Defibrillator with extended H bridge circuit output stage and biphase sawtooth square wave high-voltage discharge method for defibrillating

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20050421

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20071112

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20101112

R152 Utility model maintained after payment of third maintenance fee after eight years
R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20121113

R071 Expiry of right
R071 Expiry of right