WO2000040147A9 - Oximetry pulse indicator - Google Patents
Oximetry pulse indicatorInfo
- Publication number
- WO2000040147A9 WO2000040147A9 PCT/US2000/000380 US0000380W WO0040147A9 WO 2000040147 A9 WO2000040147 A9 WO 2000040147A9 US 0000380 W US0000380 W US 0000380W WO 0040147 A9 WO0040147 A9 WO 0040147A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulse
- waveform
- output
- distortion
- trigger
- Prior art date
Links
- 238000002496 oximetry Methods 0.000 title description 3
- 230000000007 visual effect Effects 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000001419 dependent effect Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 230000003044 adaptive effect Effects 0.000 description 7
- 206010003119 arrhythmia Diseases 0.000 description 7
- 230000006793 arrhythmia Effects 0.000 description 7
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 238000002106 pulse oximetry Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 210000001765 aortic valve Anatomy 0.000 description 2
- 210000004905 finger nail Anatomy 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 208000007204 Brain death Diseases 0.000 description 1
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008321 arterial blood flow Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006931 brain damage Effects 0.000 description 1
- 231100000874 brain damage Toxicity 0.000 description 1
- 208000029028 brain injury Diseases 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003205 diastolic effect Effects 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000036581 peripheral resistance Effects 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000000541 pulsatile effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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, 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
- A61B5/72—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
-
- 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
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000591911A JP2002534146A (en) | 1999-01-07 | 2000-01-07 | Pulse indicator using oximetry |
EP00903166A EP1139858B1 (en) | 1999-01-07 | 2000-01-07 | Oximetry pulse indicator |
DE60034426T DE60034426T2 (en) | 1999-01-07 | 2000-01-07 | OXIMETER WITH PULSE DISPLAY |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11528999P | 1999-01-07 | 1999-01-07 | |
US60/115,289 | 1999-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000040147A1 WO2000040147A1 (en) | 2000-07-13 |
WO2000040147A9 true WO2000040147A9 (en) | 2001-08-30 |
Family
ID=22360399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/000380 WO2000040147A1 (en) | 1999-01-07 | 2000-01-07 | Oximetry pulse indicator |
Country Status (6)
Country | Link |
---|---|
US (1) | US6606511B1 (en) |
EP (1) | EP1139858B1 (en) |
JP (1) | JP2002534146A (en) |
AT (1) | ATE359739T1 (en) |
DE (1) | DE60034426T2 (en) |
WO (1) | WO2000040147A1 (en) |
Families Citing this family (492)
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