DE69425081T2 - Sensor zur Überwachung der arteriellen Blutströmung - Google Patents

Sensor zur Überwachung der arteriellen Blutströmung

Info

Publication number
DE69425081T2
DE69425081T2 DE69425081T DE69425081T DE69425081T2 DE 69425081 T2 DE69425081 T2 DE 69425081T2 DE 69425081 T DE69425081 T DE 69425081T DE 69425081 T DE69425081 T DE 69425081T DE 69425081 T2 DE69425081 T2 DE 69425081T2
Authority
DE
Germany
Prior art keywords
blood flow
arterial blood
monitoring sensor
flow monitoring
sensor
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 - Fee Related
Application number
DE69425081T
Other languages
English (en)
Other versions
DE69425081D1 (de
Inventor
Jonas Alexander Pologe
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.)
Datex Ohmeda Inc
Original Assignee
Datex Ohmeda 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 Datex Ohmeda Inc filed Critical Datex Ohmeda Inc
Publication of DE69425081D1 publication Critical patent/DE69425081D1/de
Application granted granted Critical
Publication of DE69425081T2 publication Critical patent/DE69425081T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • 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
    • 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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
    • 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
    • A61B5/14552—Details of sensors specially adapted therefor
DE69425081T 1993-04-12 1994-04-05 Sensor zur Überwachung der arteriellen Blutströmung Expired - Fee Related DE69425081T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/045,962 US5297548A (en) 1992-02-07 1993-04-12 Arterial blood monitoring probe

Publications (2)

Publication Number Publication Date
DE69425081D1 DE69425081D1 (de) 2000-08-10
DE69425081T2 true DE69425081T2 (de) 2001-03-22

Family

ID=21940788

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425081T Expired - Fee Related DE69425081T2 (de) 1993-04-12 1994-04-05 Sensor zur Überwachung der arteriellen Blutströmung

Country Status (6)

Country Link
US (1) US5297548A (de)
EP (1) EP0619981B1 (de)
JP (1) JPH06319728A (de)
CA (1) CA2120383C (de)
DE (1) DE69425081T2 (de)
ES (1) ES2150471T3 (de)

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CA2120383C (en) 1998-01-06
US5297548A (en) 1994-03-29
JPH06319728A (ja) 1994-11-22
DE69425081D1 (de) 2000-08-10
ES2150471T3 (es) 2000-12-01
EP0619981A1 (de) 1994-10-19
EP0619981B1 (de) 2000-07-05

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