US20060025828A1 - Impedance measurement for an implantable device - Google Patents

Impedance measurement for an implantable device Download PDF

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Publication number
US20060025828A1
US20060025828A1 US10/900,573 US90057304A US2006025828A1 US 20060025828 A1 US20060025828 A1 US 20060025828A1 US 90057304 A US90057304 A US 90057304A US 2006025828 A1 US2006025828 A1 US 2006025828A1
Authority
US
United States
Prior art keywords
voltage
impedance
terminals
current signal
constant current
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.)
Abandoned
Application number
US10/900,573
Other languages
English (en)
Inventor
Randolph Armstrong
Scott Armstrong
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.)
Livanova USA Inc
Original Assignee
Cyberonics Inc
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 Cyberonics Inc filed Critical Cyberonics Inc
Priority to US10/902,221 priority Critical patent/US7751891B2/en
Priority to US10/900,573 priority patent/US20060025828A1/en
Assigned to CYBERONICS, INC. reassignment CYBERONICS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ARMSTRONG, RANDOLPH K., ARMSTRONG, SCOTT A.
Priority to EP12196008.2A priority patent/EP2581109B1/fr
Priority to CA2574434A priority patent/CA2574434C/fr
Priority to EP05779348.1A priority patent/EP1784239B1/fr
Priority to CA002574438A priority patent/CA2574438A1/fr
Priority to PCT/US2005/026514 priority patent/WO2006014971A2/fr
Priority to PCT/US2005/026515 priority patent/WO2006014972A2/fr
Priority to EP05790922A priority patent/EP1784240A4/fr
Publication of US20060025828A1 publication Critical patent/US20060025828A1/en
Priority to US12/785,244 priority patent/US8086310B2/en
Assigned to Livanova Usa, Inc. reassignment Livanova Usa, Inc. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: CYBERONICS, INC.
Abandoned 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
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • A61N1/3706—Pacemaker parameters
    • A61N1/3708—Pacemaker parameters for power depletion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Secondary Cells (AREA)
US10/900,573 2004-07-28 2004-07-28 Impedance measurement for an implantable device Abandoned US20060025828A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US10/902,221 US7751891B2 (en) 2004-07-28 2004-07-28 Power supply monitoring for an implantable device
US10/900,573 US20060025828A1 (en) 2004-07-28 2004-07-28 Impedance measurement for an implantable device
EP05790922A EP1784240A4 (fr) 2004-07-28 2005-07-27 Mesure d'impedance pour dispositif implantable
EP05779348.1A EP1784239B1 (fr) 2004-07-28 2005-07-27 Controle de l'alimentation pour dispositif implantable
CA2574434A CA2574434C (fr) 2004-07-28 2005-07-27 Controle de l'alimentation pour dispositif implantable
EP12196008.2A EP2581109B1 (fr) 2004-07-28 2005-07-27 Contrôle de l'alimentation pour dispositif implantable
CA002574438A CA2574438A1 (fr) 2004-07-28 2005-07-27 Mesure d'impedance pour dispositif implantable
PCT/US2005/026514 WO2006014971A2 (fr) 2004-07-28 2005-07-27 Controle de l'alimentation pour dispositif implantable
PCT/US2005/026515 WO2006014972A2 (fr) 2004-07-28 2005-07-27 Mesure d'impedance pour dispositif implantable
US12/785,244 US8086310B2 (en) 2004-07-28 2010-05-21 Power supply monitoring for an implantable device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/902,221 US7751891B2 (en) 2004-07-28 2004-07-28 Power supply monitoring for an implantable device
US10/900,573 US20060025828A1 (en) 2004-07-28 2004-07-28 Impedance measurement for an implantable device

Publications (1)

Publication Number Publication Date
US20060025828A1 true US20060025828A1 (en) 2006-02-02

Family

ID=37102064

Family Applications (3)

Application Number Title Priority Date Filing Date
US10/900,573 Abandoned US20060025828A1 (en) 2004-07-28 2004-07-28 Impedance measurement for an implantable device
US10/902,221 Active 2027-12-03 US7751891B2 (en) 2004-07-28 2004-07-28 Power supply monitoring for an implantable device
US12/785,244 Active US8086310B2 (en) 2004-07-28 2010-05-21 Power supply monitoring for an implantable device

Family Applications After (2)

Application Number Title Priority Date Filing Date
US10/902,221 Active 2027-12-03 US7751891B2 (en) 2004-07-28 2004-07-28 Power supply monitoring for an implantable device
US12/785,244 Active US8086310B2 (en) 2004-07-28 2010-05-21 Power supply monitoring for an implantable device

Country Status (4)

Country Link
US (3) US20060025828A1 (fr)
EP (2) EP2581109B1 (fr)
CA (1) CA2574434C (fr)
WO (2) WO2006014971A2 (fr)

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WO2006014972A2 (fr) 2006-02-09
US8086310B2 (en) 2011-12-27
US20060025829A1 (en) 2006-02-02
EP2581109B1 (fr) 2014-03-19
WO2006014972A8 (fr) 2007-08-30
EP2581109A1 (fr) 2013-04-17
WO2006014971A3 (fr) 2007-02-22
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CA2574434C (fr) 2014-04-15

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