DE60135256D1 - Signalverarbeitungsverfahren und gerät zur verbess - Google Patents

Signalverarbeitungsverfahren und gerät zur verbess

Info

Publication number
DE60135256D1
DE60135256D1 DE60135256T DE60135256T DE60135256D1 DE 60135256 D1 DE60135256 D1 DE 60135256D1 DE 60135256 T DE60135256 T DE 60135256T DE 60135256 T DE60135256 T DE 60135256T DE 60135256 D1 DE60135256 D1 DE 60135256D1
Authority
DE
Germany
Prior art keywords
signal
component
measured
measured signal
signal component
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
Application number
DE60135256T
Other languages
English (en)
Inventor
Yoram Wasserman
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.)
Conmed Corp
Original Assignee
Conmed Corp
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 Conmed Corp filed Critical Conmed Corp
Application granted granted Critical
Publication of DE60135256D1 publication Critical patent/DE60135256D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • 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
    • A61B5/0535—Impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • 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
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
DE60135256T 2001-09-13 2001-10-15 Signalverarbeitungsverfahren und gerät zur verbess Expired - Lifetime DE60135256D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL145445A IL145445A (en) 2001-09-13 2001-09-13 A method for signal processing and a device for improving signal for noise
PCT/US2001/032282 WO2003022141A1 (en) 2001-09-13 2001-10-15 A signal processing method and device for signal-to-noise improvement

Publications (1)

Publication Number Publication Date
DE60135256D1 true DE60135256D1 (de) 2008-09-18

Family

ID=11075786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60135256T Expired - Lifetime DE60135256D1 (de) 2001-09-13 2001-10-15 Signalverarbeitungsverfahren und gerät zur verbess

Country Status (13)

Country Link
US (3) US6658277B2 (de)
EP (1) EP1424934B1 (de)
JP (2) JP2005516642A (de)
CN (1) CN100500083C (de)
AT (1) ATE403396T1 (de)
AU (1) AU2002213271B2 (de)
CA (1) CA2460336C (de)
DE (1) DE60135256D1 (de)
DK (1) DK1424934T3 (de)
ES (1) ES2311028T3 (de)
IL (1) IL145445A (de)
PT (1) PT1424934E (de)
WO (1) WO2003022141A1 (de)

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