GR1000788B - Συστημα πληθυσμογραφιας παλμικου οξυγονομετρου - Google Patents

Συστημα πληθυσμογραφιας παλμικου οξυγονομετρου

Info

Publication number
GR1000788B
GR1000788B GR880100680A GR880100680A GR1000788B GR 1000788 B GR1000788 B GR 1000788B GR 880100680 A GR880100680 A GR 880100680A GR 880100680 A GR880100680 A GR 880100680A GR 1000788 B GR1000788 B GR 1000788B
Authority
GR
Greece
Prior art keywords
pulse oximeter
signals
photodiode
separated
leds
Prior art date
Application number
GR880100680A
Other languages
English (en)
Inventor
W Rush Hood Jr
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 GR1000788B publication Critical patent/GR1000788B/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
    • A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • 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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A61B5/02427—Details of sensor
    • A61B5/02433—Details of sensor for infrared radiation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Physiology (AREA)
  • Hematology (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)

Abstract

Παρέχεται παλμικόν οξυγονόμετρο το οποίο περιλαμβάνει δύο διόδους εκπομπής φωτός. Εκάστη δίοδος LED ενεργοποιείται από ένα μοναδικό σήμα διαμορφώσεως. Παραγόμενο φως από τις LED περνά μέσω του ιστού ενός ατόμου και ανιχνεύεται από μια φωτοδίοδο. Το σήμα φωτοδιόδου διαχωρίζεται από συντονισμένα κυκλώματα στις δύο συχνότητες σήματος διαμορφώσεως και ανακτώνται σήματα φυσιολογικών πληροφοριών από τα διαχωρισμένα σήματα με αποδιαμόρφωση εύρους. Η εφευρετική διάταξη παρέχει αναγνώριση των πλάτη-προς-πλάτη συνεζευγμένων LED και φιλτράρισμα στενής ζώνης για μη προσβολή από θόρυβο. ω
GR880100680A 1987-10-08 1988-10-10 Συστημα πληθυσμογραφιας παλμικου οξυγονομετρου GR1000788B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/106,747 US4848901A (en) 1987-10-08 1987-10-08 Pulse oximeter sensor control system

Publications (1)

Publication Number Publication Date
GR1000788B true GR1000788B (el) 1992-12-30

Family

ID=22313037

Family Applications (1)

Application Number Title Priority Date Filing Date
GR880100680A GR1000788B (el) 1987-10-08 1988-10-10 Συστημα πληθυσμογραφιας παλμικου οξυγονομετρου

Country Status (15)

Country Link
US (1) US4848901A (el)
EP (1) EP0314324B1 (el)
JP (1) JPH021216A (el)
KR (1) KR960010977B1 (el)
AT (1) ATE111325T1 (el)
AU (1) AU615952B2 (el)
BR (1) BR8805230A (el)
CA (1) CA1326266C (el)
DE (1) DE3851501T2 (el)
ES (1) ES2058304T3 (el)
GR (1) GR1000788B (el)
NZ (1) NZ226500A (el)
PH (1) PH25268A (el)
PT (1) PT88704B (el)
ZA (1) ZA887554B (el)

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Also Published As

Publication number Publication date
ES2058304T3 (es) 1994-11-01
DE3851501D1 (de) 1994-10-20
KR960010977B1 (ko) 1996-08-14
PH25268A (en) 1991-03-27
PT88704B (pt) 1994-04-29
ZA887554B (en) 1990-06-27
US4848901A (en) 1989-07-18
ATE111325T1 (de) 1994-09-15
NZ226500A (en) 1991-06-25
AU2359288A (en) 1989-04-13
PT88704A (pt) 1989-07-31
EP0314324A1 (en) 1989-05-03
DE3851501T2 (de) 1995-01-19
AU615952B2 (en) 1991-10-17
EP0314324B1 (en) 1994-09-14
JPH021216A (ja) 1990-01-05
CA1326266C (en) 1994-01-18
BR8805230A (pt) 1989-05-23
KR890006203A (ko) 1989-06-12

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