GR1000790B - Συστημα παλμικης οξυγονομετριας - Google Patents

Συστημα παλμικης οξυγονομετριας

Info

Publication number
GR1000790B
GR1000790B GR880100678A GR880100678A GR1000790B GR 1000790 B GR1000790 B GR 1000790B GR 880100678 A GR880100678 A GR 880100678A GR 880100678 A GR880100678 A GR 880100678A GR 1000790 B GR1000790 B GR 1000790B
Authority
GR
Greece
Prior art keywords
leds
pulse oximetry
waveforms
index value
components
Prior art date
Application number
GR880100678A
Other languages
English (en)
Inventor
Tourek Lawrence Hersh
Winslow Rush Hood
Richard Medero
Original Assignee
Critikon 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 Critikon Inc filed Critical Critikon Inc
Publication of GR1000790B publication Critical patent/GR1000790B/el

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7242—Details of waveform analysis using integration

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Psychiatry (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Paper (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

Παρέχεται σύστημα παλμικής οξυγονομετρίας στο οποίο LEDS δύο διαφορετικών μηκών κύματος φωτίζουν ιστόν ο οποίος περιλαμβάνει ροή αρτηριακού αίματος. Μία φωτοδίοδος λαμβάνει φως από τις LEDS (διόδους εκπομπής φωτός) και παράγει ηλεκτρικά σήματα τα οποία περιλαμβάνουν παλμικές συνιστώσες. Οι συνιστώσεως των δύο μηκών κύματος διαχωρίζονται και οι παλμικές κυματομορφές παρακολουθούνται μέχρις ότου ανιχνευθούν αιχμές σήματος στο τέλος διαστολής. Οι κυματομορφές ολοκληρώνονται κατόπιν στο συστολικό διάστημα, και τα ολοκληρώματα συνδυάζονται με τις τιμές αιχμής σήματος για προσδιορισμό μιας τιμής δείκτου. Η τιμή δείκτου χρησιμοποιείται για επιλογή μιας τιμής αντιπροσωπευτικής κορεσμού οξυγόνου από ένα βοηθητικό πίνακα. ω
GR880100678A 1987-10-09 1988-10-10 Συστημα παλμικης οξυγονομετριας GR1000790B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/107,138 US4807631A (en) 1987-10-09 1987-10-09 Pulse oximetry system

Publications (1)

Publication Number Publication Date
GR1000790B true GR1000790B (el) 1992-12-30

Family

ID=22315050

Family Applications (1)

Application Number Title Priority Date Filing Date
GR880100678A GR1000790B (el) 1987-10-09 1988-10-10 Συστημα παλμικης οξυγονομετριας

Country Status (15)

Country Link
US (1) US4807631A (el)
EP (1) EP0314331B1 (el)
JP (1) JP2628717B2 (el)
KR (1) KR960010974B1 (el)
AT (1) ATE90538T1 (el)
AU (1) AU602253B2 (el)
BR (1) BR8805227A (el)
CA (1) CA1326267C (el)
DE (1) DE3881820T2 (el)
ES (1) ES2042759T3 (el)
GR (1) GR1000790B (el)
NZ (1) NZ226517A (el)
PH (1) PH25635A (el)
PT (1) PT88724B (el)
ZA (1) ZA887580B (el)

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AU2359188A (en) 1989-04-13
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ZA887580B (en) 1990-06-27
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JP2628717B2 (ja) 1997-07-09
AU602253B2 (en) 1990-10-04
ES2042759T3 (es) 1993-12-16
PT88724B (pt) 1993-12-31
KR960010974B1 (ko) 1996-08-14
ATE90538T1 (de) 1993-07-15
US4807631A (en) 1989-02-28
JPH01135330A (ja) 1989-05-29
DE3881820T2 (de) 1993-10-14
EP0314331A1 (en) 1989-05-03
KR890006200A (ko) 1989-06-12
DE3881820D1 (de) 1993-07-22
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PT88724A (pt) 1989-07-31
NZ226517A (en) 1991-06-25

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