JPH0560927B2 - - Google Patents
Info
- Publication number
- JPH0560927B2 JPH0560927B2 JP50205286A JP50205286A JPH0560927B2 JP H0560927 B2 JPH0560927 B2 JP H0560927B2 JP 50205286 A JP50205286 A JP 50205286A JP 50205286 A JP50205286 A JP 50205286A JP H0560927 B2 JPH0560927 B2 JP H0560927B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- signal
- waveform
- light
- microprocessor
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 description 82
- 238000012545 processing Methods 0.000 description 45
- 239000000306 component Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 27
- 238000001514 detection method Methods 0.000 description 26
- 239000012503 blood component Substances 0.000 description 25
- 230000017531 blood circulation Effects 0.000 description 20
- 230000033001 locomotion Effects 0.000 description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 19
- 229910052760 oxygen Inorganic materials 0.000 description 19
- 239000001301 oxygen Substances 0.000 description 19
- 230000001360 synchronised effect Effects 0.000 description 18
- 239000008280 blood Substances 0.000 description 17
- 210000004369 blood Anatomy 0.000 description 17
- 210000001519 tissue Anatomy 0.000 description 16
- 239000003990 capacitor Substances 0.000 description 15
- 238000005259 measurement Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 13
- 230000000875 corresponding effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 8
- 230000000241 respiratory effect Effects 0.000 description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 230000000737 periodic effect Effects 0.000 description 7
- 230000008033 biological extinction Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000000541 pulsatile effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 108010054147 Hemoglobins Proteins 0.000 description 4
- 102000001554 Hemoglobins Human genes 0.000 description 4
- 230000000747 cardiac effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000008321 arterial blood flow Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000001605 fetal effect Effects 0.000 description 3
- 210000003754 fetus Anatomy 0.000 description 3
- 238000009532 heart rate measurement Methods 0.000 description 3
- 210000000779 thoracic wall Anatomy 0.000 description 3
- INGWEZCOABYORO-UHFFFAOYSA-N 2-(furan-2-yl)-7-methyl-1h-1,8-naphthyridin-4-one Chemical compound N=1C2=NC(C)=CC=C2C(O)=CC=1C1=CC=CO1 INGWEZCOABYORO-UHFFFAOYSA-N 0.000 description 2
- 101100129500 Caenorhabditis elegans max-2 gene Proteins 0.000 description 2
- 101100083446 Danio rerio plekhh1 gene Proteins 0.000 description 2
- 108010064719 Oxyhemoglobins Proteins 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 108010002255 deoxyhemoglobin Proteins 0.000 description 2
- 230000002526 effect on cardiovascular system Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000002496 oximetry Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101100325756 Arabidopsis thaliana BAM5 gene Proteins 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 101150046378 RAM1 gene Proteins 0.000 description 1
- 101100476489 Rattus norvegicus Slc20a2 gene Proteins 0.000 description 1
- 206010038669 Respiratory arrest Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 238000009610 ballistocardiography Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000035606 childbirth Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 210000000624 ear auricle Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002458 fetal heart Anatomy 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000005260 human cell Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000492 nasalseptum Anatomy 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000002106 pulse oximetry Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71852585A | 1985-04-01 | 1985-04-01 | |
US742720 | 1985-06-07 | ||
US718525 | 1991-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62500843A JPS62500843A (ja) | 1987-04-09 |
JPH0560927B2 true JPH0560927B2 (ja) | 1993-09-03 |
Family
ID=24886398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50205286A Granted JPS62500843A (ja) | 1985-04-01 | 1986-03-31 | å åŠãã«ã¹ã®æ€ç¥æ¹æ³ããã³è£ 眮 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62500843A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020111455A1 (ko) * | 2018-11-30 | 2020-06-04 | ì ìë¶íì°êµ¬ì | ìë ¥ ìŒì êž°ë° ì¬ë° 몚ëí°ë§ ì¥ì¹ ë° ë°©ë² |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017089921A1 (en) * | 2015-11-24 | 2017-06-01 | Koninklijke Philips N.V. | Method to quantify photoplethysmogram (ppg) signal quality |
-
1986
- 1986-03-31 JP JP50205286A patent/JPS62500843A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020111455A1 (ko) * | 2018-11-30 | 2020-06-04 | ì ìë¶íì°êµ¬ì | ìë ¥ ìŒì êž°ë° ì¬ë° 몚ëí°ë§ ì¥ì¹ ë° ë°©ë² |
Also Published As
Publication number | Publication date |
---|---|
JPS62500843A (ja) | 1987-04-09 |
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