ATE345730T1 - Verfahren und gerät zur schätzung eines physiologischen parameters unter anwendung von transformationen - Google Patents

Verfahren und gerät zur schätzung eines physiologischen parameters unter anwendung von transformationen

Info

Publication number
ATE345730T1
ATE345730T1 AT99922276T AT99922276T ATE345730T1 AT E345730 T1 ATE345730 T1 AT E345730T1 AT 99922276 T AT99922276 T AT 99922276T AT 99922276 T AT99922276 T AT 99922276T AT E345730 T1 ATE345730 T1 AT E345730T1
Authority
AT
Austria
Prior art keywords
ratio
signal
sum
signals
electromagnetic energy
Prior art date
Application number
AT99922276T
Other languages
English (en)
Inventor
Thomas J Yorkey
Paul D Mannheimer
Original Assignee
Nellcor Puritan Bennett Inc
Mallinckrodt 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 Puritan Bennett Inc, Mallinckrodt Inc filed Critical Nellcor Puritan Bennett Inc
Application granted granted Critical
Publication of ATE345730T1 publication Critical patent/ATE345730T1/de

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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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Electrotherapy Devices (AREA)
AT99922276T 1998-05-26 1999-05-26 Verfahren und gerät zur schätzung eines physiologischen parameters unter anwendung von transformationen ATE345730T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/085,475 US6094592A (en) 1998-05-26 1998-05-26 Methods and apparatus for estimating a physiological parameter using transforms

Publications (1)

Publication Number Publication Date
ATE345730T1 true ATE345730T1 (de) 2006-12-15

Family

ID=22191856

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99922276T ATE345730T1 (de) 1998-05-26 1999-05-26 Verfahren und gerät zur schätzung eines physiologischen parameters unter anwendung von transformationen

Country Status (9)

Country Link
US (1) US6094592A (de)
EP (1) EP1079728B1 (de)
JP (1) JP2002516130A (de)
AT (1) ATE345730T1 (de)
AU (1) AU744836B2 (de)
CA (1) CA2342776A1 (de)
DE (1) DE69934111T2 (de)
ES (1) ES2278443T3 (de)
WO (1) WO1999060918A1 (de)

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