PT88704A - Pulse oximeter plethysmograph system - Google Patents

Pulse oximeter plethysmograph system

Info

Publication number
PT88704A
PT88704A PT88704A PT8870488A PT88704A PT 88704 A PT88704 A PT 88704A PT 88704 A PT88704 A PT 88704A PT 8870488 A PT8870488 A PT 8870488A PT 88704 A PT88704 A PT 88704A
Authority
PT
Portugal
Prior art keywords
pulse oximeter
signals
photodiode
separated
leds
Prior art date
Application number
PT88704A
Other languages
English (en)
Other versions
PT88704B (pt
Inventor
Rush W 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 PT88704A publication Critical patent/PT88704A/pt
Publication of PT88704B publication Critical patent/PT88704B/pt

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)
PT88704A 1987-10-08 1988-10-07 Sistema pletismografico com oximetro de pulso PT88704B (pt)

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 (2)

Publication Number Publication Date
PT88704A true PT88704A (pt) 1989-07-31
PT88704B PT88704B (pt) 1994-04-29

Family

ID=22313037

Family Applications (1)

Application Number Title Priority Date Filing Date
PT88704A PT88704B (pt) 1987-10-08 1988-10-07 Sistema pletismografico com oximetro de pulso

Country Status (15)

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

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DE69635228T2 (de) * 1995-07-21 2006-05-18 Respironics, Inc. Vorrichtung für die pulsoximetrie durch laserdiode mittels multifaser optischen kabeln und wegwerf faseroptischen sonden
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US5919134A (en) * 1997-04-14 1999-07-06 Masimo Corp. Method and apparatus for demodulating signals in a pulse oximetry system
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Also Published As

Publication number Publication date
ES2058304T3 (es) 1994-11-01
DE3851501T2 (de) 1995-01-19
DE3851501D1 (de) 1994-10-20
EP0314324B1 (en) 1994-09-14
CA1326266C (en) 1994-01-18
AU615952B2 (en) 1991-10-17
PT88704B (pt) 1994-04-29
NZ226500A (en) 1991-06-25
JPH021216A (ja) 1990-01-05
KR960010977B1 (ko) 1996-08-14
BR8805230A (pt) 1989-05-23
EP0314324A1 (en) 1989-05-03
US4848901A (en) 1989-07-18
GR1000788B (el) 1992-12-30
AU2359288A (en) 1989-04-13
ATE111325T1 (de) 1994-09-15
ZA887554B (en) 1990-06-27
PH25268A (en) 1991-03-27
KR890006203A (ko) 1989-06-12

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