DE602007011993D1 - Chopperstabilisierter instrumentationsverstärker - Google Patents

Chopperstabilisierter instrumentationsverstärker

Info

Publication number
DE602007011993D1
DE602007011993D1 DE602007011993T DE602007011993T DE602007011993D1 DE 602007011993 D1 DE602007011993 D1 DE 602007011993D1 DE 602007011993 T DE602007011993 T DE 602007011993T DE 602007011993 T DE602007011993 T DE 602007011993T DE 602007011993 D1 DE602007011993 D1 DE 602007011993D1
Authority
DE
Germany
Prior art keywords
amplifier
low
low power
noise
instrumentation amplifier
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.)
Active
Application number
DE602007011993T
Other languages
English (en)
Inventor
Timothy J Denison
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.)
Medtronic Inc
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
Publication of DE602007011993D1 publication Critical patent/DE602007011993D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7217—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise originating from a therapeutic or surgical apparatus, e.g. from a pacemaker
    • 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
    • A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • 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
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7242—Details of waveform analysis using integration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
DE602007011993T 2007-01-31 2007-04-11 Chopperstabilisierter instrumentationsverstärker Active DE602007011993D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/700,404 US7385443B1 (en) 2007-01-31 2007-01-31 Chopper-stabilized instrumentation amplifier
PCT/US2007/066358 WO2008094271A1 (en) 2007-01-31 2007-04-11 Chopper-stabilized instrumentation amplifier

Publications (1)

Publication Number Publication Date
DE602007011993D1 true DE602007011993D1 (de) 2011-02-24

Family

ID=38825031

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007011993T Active DE602007011993D1 (de) 2007-01-31 2007-04-11 Chopperstabilisierter instrumentationsverstärker

Country Status (10)

Country Link
US (3) US7385443B1 (de)
EP (1) EP2127072B1 (de)
JP (1) JP2010517472A (de)
KR (1) KR101359054B1 (de)
CN (1) CN101589549B (de)
AT (1) ATE495576T1 (de)
AU (1) AU2007345667B2 (de)
CA (1) CA2675382A1 (de)
DE (1) DE602007011993D1 (de)
WO (1) WO2008094271A1 (de)

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CN101589549A (zh) 2009-11-25
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US7847628B2 (en) 2010-12-07
AU2007345667A1 (en) 2008-08-07
US20080211574A1 (en) 2008-09-04
ATE495576T1 (de) 2011-01-15
US7385443B1 (en) 2008-06-10
US8354881B2 (en) 2013-01-15
CN101589549B (zh) 2016-12-28
CA2675382A1 (en) 2008-08-07

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