ATE493063T1 - Implantierbares gewebeperfusions-messsystem und verfahren - Google Patents

Implantierbares gewebeperfusions-messsystem und verfahren

Info

Publication number
ATE493063T1
ATE493063T1 AT08730997T AT08730997T ATE493063T1 AT E493063 T1 ATE493063 T1 AT E493063T1 AT 08730997 T AT08730997 T AT 08730997T AT 08730997 T AT08730997 T AT 08730997T AT E493063 T1 ATE493063 T1 AT E493063T1
Authority
AT
Austria
Prior art keywords
light
normalization coefficient
measurement system
response
tissue perfusion
Prior art date
Application number
AT08730997T
Other languages
English (en)
Inventor
Can Cinbis
James K Carney
Original Assignee
Medtronic 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 Medtronic Inc filed Critical Medtronic Inc
Application granted granted Critical
Publication of ATE493063T1 publication Critical patent/ATE493063T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—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
    • A61B5/1459—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 invasive, e.g. introduced into the body by a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • 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
    • A61B5/14542—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 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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/361—Detecting fibrillation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/363—Detecting tachycardia or bradycardia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3925—Monitoring; Protecting
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/7214—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Physiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Steroid Compounds (AREA)
  • Liquid Crystal Substances (AREA)
AT08730997T 2007-02-28 2008-02-28 Implantierbares gewebeperfusions-messsystem und verfahren ATE493063T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89203307P 2007-02-28 2007-02-28
PCT/US2008/055337 WO2008106608A1 (en) 2007-02-28 2008-02-28 Implantable tissue perfusion sensing system and method

Publications (1)

Publication Number Publication Date
ATE493063T1 true ATE493063T1 (de) 2011-01-15

Family

ID=39406126

Family Applications (3)

Application Number Title Priority Date Filing Date
AT08730997T ATE493063T1 (de) 2007-02-28 2008-02-28 Implantierbares gewebeperfusions-messsystem und verfahren
AT08731007T ATE530111T1 (de) 2007-02-28 2008-02-28 Implantierbares gewebeperfusions-messsystem und verfahren
AT08731003T ATE493064T1 (de) 2007-02-28 2008-02-28 Implantierbares gewebeperfusions-messsystem

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT08731007T ATE530111T1 (de) 2007-02-28 2008-02-28 Implantierbares gewebeperfusions-messsystem und verfahren
AT08731003T ATE493064T1 (de) 2007-02-28 2008-02-28 Implantierbares gewebeperfusions-messsystem

Country Status (5)

Country Link
US (6) US8165662B2 (de)
EP (5) EP2131727B1 (de)
AT (3) ATE493063T1 (de)
DE (2) DE602008004225D1 (de)
WO (5) WO2008106612A1 (de)

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Also Published As

Publication number Publication date
EP2131726B1 (de) 2010-12-29
WO2008106609A1 (en) 2008-09-04
WO2008106599A1 (en) 2008-09-04
US8886465B2 (en) 2014-11-11
US8090432B2 (en) 2012-01-03
US20080208020A1 (en) 2008-08-28
US20080208269A1 (en) 2008-08-28
EP2131727B1 (de) 2011-10-26
US20080208021A1 (en) 2008-08-28
EP2131725B1 (de) 2010-12-29
EP2131724B1 (de) 2012-05-16
EP2131724A1 (de) 2009-12-16
ATE530111T1 (de) 2011-11-15
US20080208067A1 (en) 2008-08-28
ATE493064T1 (de) 2011-01-15
US8038626B2 (en) 2011-10-18
US9636059B2 (en) 2017-05-02
DE602008004224D1 (de) 2011-02-10
EP2136700B1 (de) 2012-05-16
EP2131726A1 (de) 2009-12-16
EP2136700A1 (de) 2009-12-30
US8170650B2 (en) 2012-05-01
EP2131725A1 (de) 2009-12-16
US20130018233A1 (en) 2013-01-17
DE602008004225D1 (de) 2011-02-10
US20080208066A1 (en) 2008-08-28
WO2008106597A1 (en) 2008-09-04
WO2008106608A1 (en) 2008-09-04
WO2008106612A1 (en) 2008-09-04
EP2131727A1 (de) 2009-12-16
US8165662B2 (en) 2012-04-24

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