CA2095562A1 - Energy dissipation resistor for implantable defibrillation circuitry - Google Patents

Energy dissipation resistor for implantable defibrillation circuitry

Info

Publication number
CA2095562A1
CA2095562A1 CA2095562A CA2095562A CA2095562A1 CA 2095562 A1 CA2095562 A1 CA 2095562A1 CA 2095562 A CA2095562 A CA 2095562A CA 2095562 A CA2095562 A CA 2095562A CA 2095562 A1 CA2095562 A1 CA 2095562A1
Authority
CA
Canada
Prior art keywords
energy dissipation
dissipation resistor
resistor
circuitry
electrically
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
CA2095562A
Other languages
French (fr)
Other versions
CA2095562C (en
Inventor
Michael O'phelan
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.)
Cardiac Pacemakers Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2095562A1 publication Critical patent/CA2095562A1/en
Application granted granted Critical
Publication of CA2095562C publication Critical patent/CA2095562C/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
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3956—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor

Abstract

An energy dissipation resistor for dissipating electrical energy stored in implantable defibrillation capacitor(s). The resistor comprises a layer of resistive foil sandwiched between two layers of electrically insulative material so as to define a circuitous resistive path. At least two electrically conductive contacts are disposed through one of the insulative layers such that each of the contacts provides an electrically conductive path from the exterior of the energy dissipation resistor to the resistive foil layer enclosed therein. Conductive leads are electrically connected to the conductive contacts and provide a means by which the energy dissipation resistor can be connected to defibrillation circuitry. The energy dissipation resistor can also be formed integrally with a flexible circuit board, a rigid circuit board, a circuitry liner, or a hybrid substrate.
CA002095562A 1992-05-05 1993-05-05 Energy dissipation resistor for implantable defibrillation circuitry Expired - Fee Related CA2095562C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/878,537 1992-05-05
US07/878,537 US5312442A (en) 1992-05-05 1992-05-05 Energy dissipation resistor for implantable defibrillation circuitry

Publications (2)

Publication Number Publication Date
CA2095562A1 true CA2095562A1 (en) 1993-11-06
CA2095562C CA2095562C (en) 1997-03-25

Family

ID=25372227

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002095562A Expired - Fee Related CA2095562C (en) 1992-05-05 1993-05-05 Energy dissipation resistor for implantable defibrillation circuitry

Country Status (10)

Country Link
US (1) US5312442A (en)
EP (1) EP0568960B1 (en)
JP (1) JP2774919B2 (en)
AT (1) ATE182802T1 (en)
AU (1) AU648464B2 (en)
CA (1) CA2095562C (en)
DE (1) DE69325847T2 (en)
DK (1) DK0568960T3 (en)
ES (1) ES2137956T3 (en)
GR (1) GR3031594T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645586A (en) * 1994-07-08 1997-07-08 Ventritex, Inc. Conforming implantable defibrillator
US5749910A (en) * 1995-06-07 1998-05-12 Angeion Corporation Shield for implantable cardioverter defibrillator
US5716381A (en) * 1996-08-06 1998-02-10 Pacesetter, Inc. Electrophysiology diagnostic device including variable capacitance emulation and voltage threshold determination circuits
US5876439A (en) * 1996-12-09 1999-03-02 Micooptix, Llc Method and appartus for adjusting corneal curvature using a fluid-filled corneal ring
US6094597A (en) * 1999-02-05 2000-07-25 Medtronic, Inc. Implantable medical device incorporating distributed core, step-up transformer
US6185456B1 (en) * 1999-02-26 2001-02-06 Medical Research Laboratories, Inc. Defibrillator disarm circuit utilizing thermal feedback
US6353760B1 (en) 1999-04-30 2002-03-05 Cardiac Pacemakers, Inc. Implantable cardiac stimulating device with optimized demand
US6539258B1 (en) 2000-10-06 2003-03-25 Medtronic Physio-Control Manufacturing Corp. Energy adjusting circuit for producing an ultra-low energy defibrillation waveform with fixed pulse width and fixed tilt
TWI497535B (en) 2011-07-28 2015-08-21 Cyntec Co Ltd Micro-resistive device with soft material layer and manufacture method for the same
US8749949B2 (en) * 2011-10-31 2014-06-10 Lawrence Livermore National Security, Llc Resistive foil edge grading for accelerator and other high voltage structures
DE102018101419A1 (en) * 2018-01-23 2019-07-25 Biotronik Se & Co. Kg Electrical resistance, in particular for medical implants
DE102018114801A1 (en) * 2018-06-20 2019-12-24 Biotronik Se & Co. Kg Diffusion barrier for implantable electrode lines

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482316A (en) * 1945-05-26 1949-09-20 Amalgamated Wireless Australas Lamella resistance unit
US2521894A (en) * 1950-02-08 1950-09-12 Robert J S Brown Low inductance resistor
US3654580A (en) * 1969-03-14 1972-04-04 Sanders Associates Inc Resistor structure
FR2053539A5 (en) * 1969-07-08 1971-04-16 Electronique Appliquee
GB1319765A (en) * 1969-10-15 1973-06-06 Atomic Energy Authority Uk Resistive elements
US3798542A (en) * 1972-07-05 1974-03-19 R Dempsey Energy measuring device for pulse type defibrillators
US4316472C1 (en) * 1974-04-25 2001-08-14 Mieczyslaw Mirowski Cardioverting device with stored energy selecting means and discharge initiating means and related method
DE2450551C2 (en) * 1974-10-24 1977-01-13 Heraeus Gmbh W C ELECTRICAL RESISTOR FOR A RESISTANCE THERMOMETER AND PROCESS FOR ITS PRODUCTION
US4164946A (en) * 1977-05-27 1979-08-21 Mieczyslaw Mirowski Fault detection circuit for permanently implanted cardioverter
US4297670A (en) * 1977-06-03 1981-10-27 Angstrohm Precision, Inc. Metal foil resistor
US4254775A (en) * 1979-07-02 1981-03-10 Mieczyslaw Mirowski Implantable defibrillator and package therefor
DE3201434A1 (en) * 1982-01-19 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Chip-type electrical component
DE3229134A1 (en) * 1982-08-04 1984-02-09 GS Elektromed. Geräte Günter Stemple, 8912 Kaufering ELECTRICAL CIRCUIT FOR GENERATING ENERGY PULSES ON TWO SHOCKED ELECTRODES OF A DEFIBRILLATOR
US4488555A (en) * 1982-12-13 1984-12-18 Mieczyslaw Mirowski Battery condition warning system for medical implant
FR2646019B1 (en) * 1989-04-14 1991-07-19 Sgs Thomson Microelectronics HIGH VOLTAGE SPIRAL RESISTANCE
US5163427A (en) * 1990-11-14 1992-11-17 Medtronic, Inc. Apparatus for delivering single and multiple cardioversion and defibrillation pulses

Also Published As

Publication number Publication date
CA2095562C (en) 1997-03-25
US5312442A (en) 1994-05-17
DE69325847T2 (en) 2000-01-13
JPH07265443A (en) 1995-10-17
AU648464B2 (en) 1994-04-21
EP0568960B1 (en) 1999-08-04
ES2137956T3 (en) 2000-01-01
JP2774919B2 (en) 1998-07-09
AU3838693A (en) 1993-11-11
GR3031594T3 (en) 2000-01-31
EP0568960A3 (en) 1995-05-10
ATE182802T1 (en) 1999-08-15
DK0568960T3 (en) 1999-12-06
DE69325847D1 (en) 1999-09-09
EP0568960A2 (en) 1993-11-10

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20080505