DE68925988T2 - Verfahren und Gerät zur Kompensation von Verzerrungen in einem Pulsoximeter - Google Patents

Verfahren und Gerät zur Kompensation von Verzerrungen in einem Pulsoximeter

Info

Publication number
DE68925988T2
DE68925988T2 DE68925988T DE68925988T DE68925988T2 DE 68925988 T2 DE68925988 T2 DE 68925988T2 DE 68925988 T DE68925988 T DE 68925988T DE 68925988 T DE68925988 T DE 68925988T DE 68925988 T2 DE68925988 T2 DE 68925988T2
Authority
DE
Germany
Prior art keywords
oxygen saturation
detected optical
transient conditions
compensating
changes
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
DE68925988T
Other languages
English (en)
Other versions
DE68925988D1 (de
Inventor
Robert T Stone
Deborah A Briggs
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.)
Nellcor Inc
Original Assignee
Nellcor 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 Nellcor Inc filed Critical Nellcor Inc
Publication of DE68925988D1 publication Critical patent/DE68925988D1/de
Application granted granted Critical
Publication of DE68925988T2 publication Critical patent/DE68925988T2/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
    • A61B5/145—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
    • A61B5/14551—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 for measuring blood gases
    • 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
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
DE68925988T 1988-03-30 1989-03-29 Verfahren und Gerät zur Kompensation von Verzerrungen in einem Pulsoximeter Expired - Lifetime DE68925988T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/175,115 US4869254A (en) 1988-03-30 1988-03-30 Method and apparatus for calculating arterial oxygen saturation

Publications (2)

Publication Number Publication Date
DE68925988D1 DE68925988D1 (de) 1996-04-25
DE68925988T2 true DE68925988T2 (de) 1996-11-07

Family

ID=22638970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925988T Expired - Lifetime DE68925988T2 (de) 1988-03-30 1989-03-29 Verfahren und Gerät zur Kompensation von Verzerrungen in einem Pulsoximeter

Country Status (7)

Country Link
US (1) US4869254A (de)
EP (1) EP0335356B1 (de)
JP (1) JP2602321B2 (de)
AT (1) ATE135547T1 (de)
CA (1) CA1327402C (de)
DE (1) DE68925988T2 (de)
FI (1) FI891493A (de)

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DE68925988D1 (de) 1996-04-25
EP0335356A2 (de) 1989-10-04
EP0335356A3 (en) 1990-08-29
CA1327402C (en) 1994-03-01
FI891493A0 (fi) 1989-03-29
FI891493A (fi) 1989-10-01
JPH02203843A (ja) 1990-08-13
US4869254A (en) 1989-09-26
EP0335356B1 (de) 1996-03-20
ATE135547T1 (de) 1996-04-15
JP2602321B2 (ja) 1997-04-23

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