DE602008004225D1 - - Google Patents
Info
- Publication number
- DE602008004225D1 DE602008004225D1 DE602008004225T DE602008004225T DE602008004225D1 DE 602008004225 D1 DE602008004225 D1 DE 602008004225D1 DE 602008004225 T DE602008004225 T DE 602008004225T DE 602008004225 T DE602008004225 T DE 602008004225T DE 602008004225 D1 DE602008004225 D1 DE 602008004225D1
- Authority
- DE
- Germany
- Prior art keywords
- light
- normalization coefficient
- response
- emitted light
- wavelengths
- 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.)
- Active
Links
Classifications
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- 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
- A61B5/1459—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 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 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
-
- 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
- A61B5/14542—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 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)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Physiology (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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89203307P | 2007-02-28 | 2007-02-28 | |
PCT/US2008/055343 WO2008106609A1 (en) | 2007-02-28 | 2008-02-28 | Implantable tissue perfusion sensing system and method |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602008004225D1 true DE602008004225D1 (de) | 2011-02-10 |
Family
ID=39406126
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602008004224T Active DE602008004224D1 (de) | 2007-02-28 | 2008-02-28 | Rfahren |
DE602008004225T Active DE602008004225D1 (de) | 2007-02-28 | 2008-02-28 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602008004224T Active DE602008004224D1 (de) | 2007-02-28 | 2008-02-28 | Rfahren |
Country Status (5)
Country | Link |
---|---|
US (6) | US8038626B2 (de) |
EP (5) | EP2131727B1 (de) |
AT (3) | ATE530111T1 (de) |
DE (2) | DE602008004224D1 (de) |
WO (5) | WO2008106597A1 (de) |
Families Citing this family (55)
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US20110106201A1 (en) | 2009-10-30 | 2011-05-05 | Sourav Bhunia | Implantable heart failure monitor |
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US8489168B2 (en) | 2010-11-18 | 2013-07-16 | Medtronic, Inc. | Coefficent determination for blood oxygen saturation and total hemoglobin concentration indices |
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US20170135633A1 (en) * | 2013-05-23 | 2017-05-18 | Medibotics Llc | Integrated System for Managing Cardiac Rhythm Including Wearable and Implanted Devices |
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RU2653799C2 (ru) * | 2012-11-23 | 2018-05-14 | Конинклейке Филипс Н.В. | Устройство и способ для извлечения физиологической информации |
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US10602981B2 (en) * | 2014-05-30 | 2020-03-31 | Microsoft Technology Licensing, Llc | Optical pressure sensor |
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JP6279098B2 (ja) | 2014-12-31 | 2018-02-14 | ゴーアテック インコーポレイテッドGoertek Inc | 光電式脈拍信号測定方法及び測定機器 |
CN104706336B (zh) * | 2014-12-31 | 2017-06-27 | 歌尔股份有限公司 | 一种光电式脉搏信号测量方法、装置及测量设备 |
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US10716500B2 (en) * | 2015-06-29 | 2020-07-21 | Cardiac Pacemakers, Inc. | Systems and methods for normalization of chemical sensor data based on fluid state changes |
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-
2008
- 2008-02-28 EP EP08731007A patent/EP2131727B1/de active Active
- 2008-02-28 US US12/039,326 patent/US8038626B2/en active Active
- 2008-02-28 EP EP08731003A patent/EP2131726B1/de active Active
- 2008-02-28 AT AT08731007T patent/ATE530111T1/de not_active IP Right Cessation
- 2008-02-28 WO PCT/US2008/055318 patent/WO2008106597A1/en active Application Filing
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- 2008-02-28 WO PCT/US2008/055337 patent/WO2008106608A1/en active Application Filing
- 2008-02-28 DE DE602008004224T patent/DE602008004224D1/de active Active
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- 2008-02-28 EP EP08730981A patent/EP2131724B1/de active Active
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- 2008-02-28 US US12/039,263 patent/US8886465B2/en active Active
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- 2008-02-28 US US12/039,281 patent/US8165662B2/en active Active
- 2008-02-28 WO PCT/US2008/055325 patent/WO2008106599A1/en active Application Filing
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Also Published As
Publication number | Publication date |
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WO2008106608A1 (en) | 2008-09-04 |
WO2008106597A1 (en) | 2008-09-04 |
WO2008106612A1 (en) | 2008-09-04 |
WO2008106599A1 (en) | 2008-09-04 |
WO2008106609A1 (en) | 2008-09-04 |
EP2131725B1 (de) | 2010-12-29 |
ATE530111T1 (de) | 2011-11-15 |
US20080208021A1 (en) | 2008-08-28 |
US8886465B2 (en) | 2014-11-11 |
US8170650B2 (en) | 2012-05-01 |
US9636059B2 (en) | 2017-05-02 |
EP2131727A1 (de) | 2009-12-16 |
US20080208066A1 (en) | 2008-08-28 |
EP2131727B1 (de) | 2011-10-26 |
EP2136700A1 (de) | 2009-12-30 |
EP2131725A1 (de) | 2009-12-16 |
US8038626B2 (en) | 2011-10-18 |
US20080208067A1 (en) | 2008-08-28 |
US20130018233A1 (en) | 2013-01-17 |
EP2131726A1 (de) | 2009-12-16 |
ATE493064T1 (de) | 2011-01-15 |
ATE493063T1 (de) | 2011-01-15 |
US8165662B2 (en) | 2012-04-24 |
US8090432B2 (en) | 2012-01-03 |
EP2131726B1 (de) | 2010-12-29 |
EP2136700B1 (de) | 2012-05-16 |
US20080208269A1 (en) | 2008-08-28 |
US20080208020A1 (en) | 2008-08-28 |
DE602008004224D1 (de) | 2011-02-10 |
EP2131724B1 (de) | 2012-05-16 |
EP2131724A1 (de) | 2009-12-16 |
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