CN107550498B - Blood oxygen measuring device and measuring method thereof - Google Patents
Blood oxygen measuring device and measuring method thereof Download PDFInfo
- Publication number
- CN107550498B CN107550498B CN201610499178.4A CN201610499178A CN107550498B CN 107550498 B CN107550498 B CN 107550498B CN 201610499178 A CN201610499178 A CN 201610499178A CN 107550498 B CN107550498 B CN 107550498B
- Authority
- CN
- China
- Prior art keywords
- blood oxygen
- receiving
- light emitting
- signals
- tube
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000008280 blood Substances 0.000 title claims abstract description 53
- 210000004369 blood Anatomy 0.000 title claims abstract description 53
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 53
- 239000001301 oxygen Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000002496 oximetry Methods 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000000691 measurement method Methods 0.000 claims description 4
- 238000001441 oximetry spectrum Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000002106 pulse oximetry Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010064719 Oxyhemoglobins Proteins 0.000 description 1
- 241000144958 Piaractus mesopotamicus Species 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000019522 cellular metabolic process Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a blood oxygen measuring device and a measuring method thereof, wherein the blood oxygen measuring device comprises a host; the luminous tube is used for emitting red light and infrared light; the receiving tube is used for receiving multipath light signals of red light and infrared light emitted by the luminous tube after being reflected or transmitted by human tissues, converting the reflected or transmitted light signals into digital signals and then sending the digital signals to the host; the host is used for receiving the digital signals and then processing the digital signals into blood oxygen data, and the blood oxygen measuring device further comprises a judging and selecting unit which is used for judging the intensity of the multipath optical signals received by the receiving tube, selecting the strongest optical signals from the multipath optical signals and converting the strongest optical signals into digital signals and then sending the digital signals to the host for processing the blood oxygen data. According to the blood oxygen measuring device and the measuring method thereof, the strongest optical signals are selected to be processed into blood oxygen data through comparison of the multipath optical signals, so that the blood oxygen measuring device is closer to a sensitive area for blood oxygen measurement, and the measuring accuracy is improved.
Description
Technical Field
The invention relates to the field of physiological parameter measurement, in particular to a blood oxygen measurement device and a measurement method thereof.
Background
Blood oxygen saturation (SpO 2) refers to the percentage of the volume of oxyhemoglobin (HbO 2) bound by oxygen in the blood to the volume of total hemoglobin (Hb) that can be bound, i.e. the concentration of blood oxygen in the blood, which is an important physiological parameter of the respiratory cycle. Many clinical diseases can cause a lack of oxygen supply, which directly affects the normal metabolism of cells, and seriously even threatens human life, so the real-time monitoring of pulse blood oxygen concentration is very important in anesthesia, surgery, and clinical rescue of PACU and ICU. Pulse oximetry is commonly used as an important component of a patient multi-parameter monitor that monitors and alarms parameters such as blood oxygen saturation (SpO 2), pulse Rate (PR), etc. during use.
Pulse oximetry is a non-destructive testing technique developed over the last two decades that uses optics and is now widely used in the clinic. The pulse oximeter in the market at present is mostly based on a transmission type or reflection type measurement principle, and no matter which measurement mode is, because of the limitation of measurement equipment, the problem of accurately finding out a sensitive area of blood oxygen is solved.
Disclosure of Invention
In order to solve the above problems, the present invention provides a blood oxygen measuring apparatus and a measuring method thereof, comprising: a host; the luminous tube is used for emitting red light and infrared light; the receiving tube is used for receiving multipath light signals of red light and infrared light emitted by the luminous tube after being reflected or transmitted by human tissues, converting the reflected or transmitted light signals into digital signals and then sending the digital signals to the host; the host is used for receiving the digital signals and then processing the digital signals into blood oxygen data, and the blood oxygen measuring device further comprises a judging and selecting unit which is used for judging the intensity of the multipath optical signals received by the receiving tube, selecting the strongest optical signals from the multipath optical signals and converting the strongest optical signals into digital signals and then sending the digital signals to the host for processing the blood oxygen data.
Further, the number of the luminous tubes is the same as the number of the receiving tubes.
Further, the number of the luminous tubes is different from the number of the receiving tubes.
Further, the luminous tubes sequentially emit light.
Further, when the luminous tube emits light, at least one receiving tube corresponds to the luminous tube.
Further, the luminous tubes and the receiving tubes are arranged in a transverse arrangement or a matrix arrangement.
Further, the luminous tubes and the receiving tubes are alternately arranged or sequentially arranged.
Further, the blood oxygen data includes blood oxygen value, pulse bar graph, pulse waveform, PI value.
Further, the method is characterized by comprising the steps of:
s101, collecting multiple paths of optical signals;
s102, selecting the strongest optical signal in the multiple optical signals in the step S101 to convert the strongest optical signal into a digital signal;
s103, processing the digital signal in the step S102 into blood oxygen data.
Further, the multiple optical signals in the step S101 are optical signals sent by the light emitting tubes received by the different receiving tubes and reflected or transmitted by the human tissue.
The invention has the following beneficial effects: according to the blood oxygen measuring device and the measuring method thereof, the strongest optical signals are selected to be processed into blood oxygen data through comparison of the multipath optical signals, so that the blood oxygen measuring device is closer to a sensitive area for blood oxygen measurement, and the measuring accuracy is improved.
Drawings
FIG. 1 is a block diagram of a blood oxygen measuring device according to the present invention;
FIG. 2 is a schematic view showing a first position arrangement of a light emitting tube and a receiving tube in the oximetry device according to the present invention;
FIG. 3 is a layout view showing a second position of the light emitting tube and the receiving tube in the oximetry device according to the present invention;
FIG. 4 is a layout view showing a third position of the light emitting tube and the receiving tube in the oximetry device according to the present invention;
fig. 5 is a flowchart of the blood oxygen measurement method according to the present invention.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the following describes the blood oxygen measuring device and the measuring method thereof in detail with reference to the accompanying drawings.
Fig. 1 is a block diagram showing a blood oxygen measuring apparatus according to the present invention. Comprises a host 10 and a luminous tube 11, which are used for emitting red light and infrared light; the receiving tube 12 is configured to receive multiple paths of reflected or transmitted light signals of red light and infrared light emitted by the light emitting tube 11 after passing through human tissue, and convert the reflected or transmitted light signals into digital signals and send the digital signals to the host 10; the host 10 is configured to receive the digital signal and process the digital signal into blood oxygen data. Further, the blood oxygen measuring device further includes a judging and selecting unit 13, configured to judge the intensity of the multiple optical signals received by the receiving tube 12, and select the strongest optical signal from the multiple optical signals to send to the host 10 for processing into blood oxygen data.
Further, the number of the light emitting tubes 11 and the receiving tubes 12 may be the same or different. When the light emitting tube 11 emits light, at least one receiving tube 12 is corresponding to the light emitting tube 11 for receiving the light reflected or transmitted by the skin tissue of the human body.
Further, when the number of the luminous tubes is more than two, the luminous tubes sequentially emit light.
Further, the arrangement mode of the luminous tubes and the receiving tubes is transverse arrangement or matrix arrangement, and the luminous tubes and the receiving tubes are alternately arranged or sequentially arranged.
Further, the blood oxygen data includes blood oxygen value, pulse bar graph, pulse waveform, PI value.
As shown in fig. 2, in the first position arrangement pattern of the light emitting tube and the receiving tube in the blood oxygen measuring device according to the present invention, the light emitting tube and the receiving tube are arranged horizontally and sequentially, that is, the light emitting tube is arranged in front, the receiving tube is arranged behind, the light emitting tube emits light sequentially, that is, the light emitting tube 1 emits light first, and the light emitting tube 2 emits light second. When one luminous tube emits light, at least one receiving tube receives the light reflected or transmitted by the skin tissue of the human body, and the light can be received by any receiving tube or can be received by a plurality of receiving tubes at the same time.
As shown in fig. 3, in the second position arrangement of the light emitting tube and the receiving tube in the blood oxygen measuring device according to the present invention, the light emitting tube and the receiving tube are arranged horizontally, but the light emitting tube and the receiving tube are alternately arranged, that is, one light emitting tube at the front, one receiving tube at the rear, one light emitting tube at the rear, and one receiving tube at the rear. The light emitting mechanism is the same as the first position arrangement diagram shown in fig. 2, and the light emitting tubes sequentially emit light, so that the light emitting tubes can emit light sequentially or randomly.
As shown in fig. 4, in the third position arrangement diagram of the light emitting tubes and the receiving tubes in the blood oxygen measuring device according to the present invention, the light emitting tubes and the receiving tubes are arranged in a matrix, the light emitting tubes and the receiving tubes in rows and columns are all alternately arranged, the light emitting tubes surround the receiving tubes, the light emitting mechanism is the same as the arrangement diagram shown in fig. 2 and 3, the light emitting tubes sequentially emit light, and may emit light sequentially or randomly.
Specifically, when the light emitting tube In the blood oxygen measuring device is set according to any one of fig. 2, 3 or 4, when the light emitting tube emits light, after being reflected or transmitted by skin tissue of a human body, at least one receiving tube receives the reflected or transmitted light, when more than two receiving tubes receive the reflected or transmitted light, the light intensity of the received light is respectively recorded as I1, I2.
Fig. 5 is a flowchart of the blood oxygen measurement method according to the present invention. Comprising the following steps:
s101, collecting multiple paths of optical signals, and generating multiple paths of optical signals when a plurality of receiving tubes are used for receiving light reflected or transmitted by human skin tissues after the luminous tube emits light;
s102, selecting the strongest optical signal in the multiple optical signals in the step S101, converting the strongest optical signal into a digital signal, sequentially comparing the multiple optical signals, and selecting the strongest optical signal to convert the strongest optical signal into the digital signal;
s103, processing the digital signal in the step S102 into blood oxygen data.
The multiple optical signals in step S101 are optical signals sent by the light emitting tubes received by different receiving tubes and reflected or transmitted by human tissues.
According to the blood oxygen measuring device and the measuring method thereof, the multi-path optical signals are collected, the strongest signals are selected from the multi-path optical signals and processed into blood oxygen data, the blood oxygen data is closer to a sensitive area, and the measuring result is more accurate.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (10)
1. An oximetry device comprising a host; the luminous tube is used for emitting red light and infrared light; the receiving tube is used for receiving multipath light signals of red light and infrared light emitted by the luminous tube after being reflected or transmitted by human tissues, converting the reflected or transmitted light signals into digital signals and then sending the digital signals to the host; the host is used for processing the digital signals into blood oxygen data after receiving the digital signals, and is characterized in that the periphery of the light emitting tube surrounds the receiving tube, the periphery of the receiving tube surrounds the light emitting tube, and the blood oxygen measuring device further comprises a judging and selecting unit used for judging the intensity of multiple paths of optical signals received by the receiving tube, selecting the strongest optical signals from the optical signals, converting the strongest optical signals into digital signals and sending the digital signals to the host to process the digital signals into blood oxygen data.
2. The oximetry device according to claim 1, wherein the number of light emitting tubes is the same as the number of receiving tubes.
3. The oximetry device according to claim 1, wherein the number of light emitting tubes is different from the number of receiving tubes.
4. The blood oxygen measuring device according to claim 2 or 3, wherein the light emitting tubes sequentially emit light.
5. The oximetry device according to claim 4, wherein at least one receiving tube corresponds to the light emitting tube when the light emitting tube emits light.
6. The oximetry device according to claim 5, wherein the light emitting tubes and the receiving tubes are arranged in a lateral arrangement or a matrix arrangement.
7. The oximetry device according to claim 6, wherein the light emitting tubes are alternately arranged or sequentially arranged with the receiving tubes.
8. The oximetry device of claim 1, wherein the oximetry data includes an oximetry value, a pulse bar graph, a pulse waveform, a PI value.
9. The measurement method of an oximetry device according to any one of claims 1 to 8, including the steps of:
s101, collecting multiple paths of optical signals;
s102, selecting the strongest optical signal in the multiple optical signals in the step S101 to convert the strongest optical signal into a digital signal;
s103, processing the digital signal in the step S102 into blood oxygen data.
10. The method according to claim 9, wherein the multiple optical signals in the step S101 are optical signals sent by the light emitting tubes received by the different receiving tubes and reflected or transmitted by the human tissue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499178.4A CN107550498B (en) | 2016-06-30 | 2016-06-30 | Blood oxygen measuring device and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499178.4A CN107550498B (en) | 2016-06-30 | 2016-06-30 | Blood oxygen measuring device and measuring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107550498A CN107550498A (en) | 2018-01-09 |
| CN107550498B true CN107550498B (en) | 2024-02-09 |
Family
ID=60969318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610499178.4A Active CN107550498B (en) | 2016-06-30 | 2016-06-30 | Blood oxygen measuring device and measuring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107550498B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420439A (en) * | 2018-02-28 | 2018-08-21 | 北京维特兴科技有限公司 | Noninvasive fetal hemoglobin saturation detection device outside abdomen |
| CN109645972A (en) * | 2019-01-08 | 2019-04-19 | 研和智能科技(杭州)有限公司 | It is a kind of for measuring the array arrangement circuit of heart rate and blood oxygen |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW588158B (en) * | 2000-08-04 | 2004-05-21 | Photonify Technologies Inc | Systems and methods for providing information concerning chromophores in physiological media |
| WO2010004940A1 (en) * | 2008-07-11 | 2010-01-14 | 国立大学法人筑波大学 | Blood vessel characteristics measurement device and method for measuring blood vessel characteristics |
| CN102389311A (en) * | 2011-07-19 | 2012-03-28 | 秦皇岛市康泰医学系统有限公司 | Multi-stage dimmable digital pulse oximetry and using method thereof |
| CN103271745A (en) * | 2013-06-07 | 2013-09-04 | 秦皇岛市康泰医学系统有限公司 | Pulse blood oxygen simulation system and implementation method |
| CN103610467A (en) * | 2013-11-05 | 2014-03-05 | 李鲁亚 | Parallel near-infrared photoelectric sensing device and system and method for detecting organs and tissue of animals |
| CN103720467A (en) * | 2013-12-27 | 2014-04-16 | 北京超思电子技术股份有限公司 | Wrist pulse-rate meter |
| CN103784150A (en) * | 2012-10-30 | 2014-05-14 | 东莞永胜医疗制品有限公司 | Blood oxygen saturation measuring method and instrument |
| CA2905555A1 (en) * | 2013-03-13 | 2014-09-18 | Koninklijke Philips N.V. | Device and method for determining the blood oxygen saturation of a subject |
| CN104146698A (en) * | 2014-08-19 | 2014-11-19 | 王卫东 | Device for detecting blood volume and tissue metabolism abnormalities |
| CN104157665A (en) * | 2011-09-26 | 2014-11-19 | 株式会社东芝 | Living body sensor |
| WO2014183522A1 (en) * | 2013-05-17 | 2014-11-20 | 武汉远光瑞康科技有限公司 | Reflection-type multi-sensor-array blood oxygen detection apparatus |
| WO2016015009A1 (en) * | 2014-07-24 | 2016-01-28 | Regents Of The University Of California | Reflectance based pulse oximetry systems and methods |
| CN206044634U (en) * | 2016-06-30 | 2017-03-29 | 北京超思电子技术有限责任公司 | A kind of blood oxygen measuring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI608826B (en) * | 2014-10-31 | 2017-12-21 | 財團法人工業技術研究院 | Optical sensing device and measurement method thereof |
-
2016
- 2016-06-30 CN CN201610499178.4A patent/CN107550498B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW588158B (en) * | 2000-08-04 | 2004-05-21 | Photonify Technologies Inc | Systems and methods for providing information concerning chromophores in physiological media |
| WO2010004940A1 (en) * | 2008-07-11 | 2010-01-14 | 国立大学法人筑波大学 | Blood vessel characteristics measurement device and method for measuring blood vessel characteristics |
| CN102389311A (en) * | 2011-07-19 | 2012-03-28 | 秦皇岛市康泰医学系统有限公司 | Multi-stage dimmable digital pulse oximetry and using method thereof |
| CN104157665A (en) * | 2011-09-26 | 2014-11-19 | 株式会社东芝 | Living body sensor |
| CN103784150A (en) * | 2012-10-30 | 2014-05-14 | 东莞永胜医疗制品有限公司 | Blood oxygen saturation measuring method and instrument |
| CA2905555A1 (en) * | 2013-03-13 | 2014-09-18 | Koninklijke Philips N.V. | Device and method for determining the blood oxygen saturation of a subject |
| WO2014183522A1 (en) * | 2013-05-17 | 2014-11-20 | 武汉远光瑞康科技有限公司 | Reflection-type multi-sensor-array blood oxygen detection apparatus |
| CN103271745A (en) * | 2013-06-07 | 2013-09-04 | 秦皇岛市康泰医学系统有限公司 | Pulse blood oxygen simulation system and implementation method |
| CN103610467A (en) * | 2013-11-05 | 2014-03-05 | 李鲁亚 | Parallel near-infrared photoelectric sensing device and system and method for detecting organs and tissue of animals |
| CN103720467A (en) * | 2013-12-27 | 2014-04-16 | 北京超思电子技术股份有限公司 | Wrist pulse-rate meter |
| WO2016015009A1 (en) * | 2014-07-24 | 2016-01-28 | Regents Of The University Of California | Reflectance based pulse oximetry systems and methods |
| CN104146698A (en) * | 2014-08-19 | 2014-11-19 | 王卫东 | Device for detecting blood volume and tissue metabolism abnormalities |
| CN206044634U (en) * | 2016-06-30 | 2017-03-29 | 北京超思电子技术有限责任公司 | A kind of blood oxygen measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107550498A (en) | 2018-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11224363B2 (en) | Active-pulse blood analysis system | |
| US10231657B2 (en) | Total hemoglobin screening sensor | |
| TWI637727B (en) | Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry | |
| US9775547B2 (en) | System and method for storing and providing patient-related data | |
| US8221326B2 (en) | Detection of oximetry sensor sites based on waveform characteristics | |
| US8798702B2 (en) | Multiplexed photodetector array for optical medical sensors | |
| US7606606B2 (en) | Patient monitoring device with multiple sensors | |
| AU2016234986A1 (en) | Biosignal measurement apparatus utilizing a plurality of electrodes for biosignal measurements as touch sensors | |
| JP2007532188A (en) | Photoplethysmography using spatially uniform multicolor sources | |
| JP2007313343A (en) | Multi-channel non-invasive tissue oximeter | |
| JP2010504803A5 (en) | ||
| US20070149864A1 (en) | Monitoring device for multiple tissue sites | |
| CN103385695A (en) | Multi-wavelength liver reserve function detection instrument and ICG (indocyanine green) concentration detection method | |
| JP2010000160A (en) | Pulse oximetry and pulse oximeter | |
| CN107550498B (en) | Blood oxygen measuring device and measuring method thereof | |
| CA3086402A1 (en) | Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry using independent component analysis | |
| US8840562B2 (en) | Signal processing warping technique | |
| US20090326347A1 (en) | Synchronous Light Detection Utilizing CMOS/CCD Sensors For Oximetry Sensing | |
| US20080132770A1 (en) | Research data classification and quality control for data from non-invasive physiologic sensors | |
| JP2016087326A (en) | Measurement system and patient condition evaluation method | |
| CN206044634U (en) | A kind of blood oxygen measuring device | |
| JP4399847B2 (en) | Pulse oximeter | |
| US10561375B2 (en) | Pulse photometer and method for evaluating reliability of calculated value of blood light absorber concentration | |
| US20120253146A1 (en) | Optical Instrument With Audio Band Frequency Response | |
| US20230233117A1 (en) | Combination of reflective and transmissive sensors with characteristic wavelengths for physiological monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 410-412, 2 / F, 3 / F, 4 / F, building 2, No.9, Shuangyuan Road, Shijingshan District, Beijing 100041 Applicant after: BEIJING CHOICE ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 100143, Haidian District, Yuquanlu Road, No. 12, 4, 4104, Beijing Applicant before: BEIJING CHOICE ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |