ATE511238T1 - Chopperstabilisierter instrumentationsverstärker für drahtlose telemetrie - Google Patents

Chopperstabilisierter instrumentationsverstärker für drahtlose telemetrie

Info

Publication number
ATE511238T1
ATE511238T1 AT07797197T AT07797197T ATE511238T1 AT E511238 T1 ATE511238 T1 AT E511238T1 AT 07797197 T AT07797197 T AT 07797197T AT 07797197 T AT07797197 T AT 07797197T AT E511238 T1 ATE511238 T1 AT E511238T1
Authority
AT
Austria
Prior art keywords
amplifier
low power
instrumentation amplifier
low
chopper stabilized
Prior art date
Application number
AT07797197T
Other languages
English (en)
Inventor
Timothy J Denison
Original Assignee
Medtronic 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 Medtronic Inc filed Critical Medtronic Inc
Application granted granted Critical
Publication of ATE511238T1 publication Critical patent/ATE511238T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
    • H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
    • H03F3/393—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only with field-effect devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7228—Signal modulation applied to the input signal sent to patient or subject; Demodulation to recover the physiological signal
    • 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
    • A61N1/3702—Physiological parameters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0031—Implanted circuitry
    • 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
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A61N1/36521—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure the parameter being derived from measurement of an electrical impedance
    • 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
    • A61N1/3702—Physiological parameters
    • A61N1/3704—Circuits specially adapted therefor, e.g. for sensitivity control

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Psychiatry (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT07797197T 2007-01-31 2007-04-04 Chopperstabilisierter instrumentationsverstärker für drahtlose telemetrie ATE511238T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/700,738 US8265769B2 (en) 2007-01-31 2007-01-31 Chopper-stabilized instrumentation amplifier for wireless telemetry
PCT/US2007/065919 WO2008094270A1 (en) 2007-01-31 2007-04-04 Chopper-stabilized instrumentation amplifier for wireless telemetry

Publications (1)

Publication Number Publication Date
ATE511238T1 true ATE511238T1 (de) 2011-06-15

Family

ID=38581989

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07797197T ATE511238T1 (de) 2007-01-31 2007-04-04 Chopperstabilisierter instrumentationsverstärker für drahtlose telemetrie

Country Status (5)

Country Link
US (1) US8265769B2 (de)
EP (1) EP2127073B1 (de)
CN (1) CN101622784A (de)
AT (1) ATE511238T1 (de)
WO (1) WO2008094270A1 (de)

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US20080180278A1 (en) 2008-07-31
EP2127073B1 (de) 2011-05-25
WO2008094270A1 (en) 2008-08-07
US8265769B2 (en) 2012-09-11
WO2008094270A9 (en) 2009-07-16
CN101622784A (zh) 2010-01-06
EP2127073A1 (de) 2009-12-02

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