CN107550498A - A kind of blood oxygen measuring device and its measuring method - Google Patents
A kind of blood oxygen measuring device and its measuring method Download PDFInfo
- Publication number
- CN107550498A CN107550498A CN201610499178.4A CN201610499178A CN107550498A CN 107550498 A CN107550498 A CN 107550498A CN 201610499178 A CN201610499178 A CN 201610499178A CN 107550498 A CN107550498 A CN 107550498A
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- Prior art keywords
- blood oxygen
- luminous tube
- measuring device
- oxygen measuring
- signal
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000008280 blood Substances 0.000 title claims abstract description 48
- 210000004369 blood Anatomy 0.000 title claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 48
- 239000001301 oxygen Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 238000001441 oximetry spectrum Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000001235 sensitizing effect Effects 0.000 abstract description 3
- 238000002496 oximetry Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of blood oxygen measuring device and its measuring method, including main frame；Luminous tube, for sending feux rouges and infrared light；Reception pipe, for receiving the multipath light signal of feux rouges and infrared light that the luminous tube sends after tissue reflects or transmits, and the optical signal after the reflection or transmission is converted into being sent to the main frame after data signal；The main frame is used to be processed into oximetry data after receiving the data signal, the blood oxygen measuring device also includes judging selecting unit, for judging the power of the multipath light signal received by the reception pipe, and therefrom choose after most strong optical signal is converted into data signal and be sent to the host process into oximetry data.Blood oxygen measuring device provided by the invention and its measuring method, by being compared to multipath light signal, select most strong optical signal to be processed into oximetry data, the degree of accuracy of measurement closer to the sensitizing range of Oximetry, can be improved.
Description
Technical field
The present invention relates to physiological parameter measurement field, in particular it relates to a kind of blood oxygen measuring device and its measuring method.
Background technology
The capacity for the oxyhemoglobin (HbO2) that blood oxygen saturation (SpO2) refers to be combined by oxygen in blood accounts for entirely
The percentage of portion combinative hemoglobin (Hb) capacity, i.e., the concentration of blood oxygen in blood, it is the important life of breath cycle
Manage parameter.Many clinical diseases can cause the shortage of oxygen supply, and this will directly affect the eubolism of cell, seriously very
To the life that can also threaten people, so the real-time monitoring of pulse blood oxygen concentration is in anesthesia, operation and PACU and ICU etc.
It is extremely important in clinic rescue.Detecting sphygmus and blood oxygen saturation is wide usually as the important component of patient's multi-parameter monitor
General application, the equipment in use can be to blood oxygen saturations（SpO2）, the parameter such as pulse frequency (PR) is monitored
And alarm.
Pulse blood oxygen instrument is the non-destructive testing technology for the Application Optics developed in the late two decades, is now widely used in and faces
Bed.Pulse blood oxygen instrument in the market is mostly transmission-type or reflective measuring principle, either which kind of metering system, due to
The limitation of measuring apparatus, the sensitizing range that can accurately find blood oxygen are all a problems.
The content of the invention
To solve the above problems, the present invention provides a kind of blood oxygen measuring device and its measuring method, including：Main frame；It is luminous
Pipe, for sending feux rouges and infrared light；Reception pipe, pass through human body group for receiving feux rouges that the luminous tube sends and infrared light
The multipath light signal after reflection or transmission is knitted, and is sent to after the optical signal after the reflection or transmission is converted into data signal
The main frame；The main frame is used to be processed into oximetry data after receiving the data signal, and the blood oxygen measuring device is also
Including judging selecting unit, for judging the power of the multipath light signal received by the reception pipe, and therefrom choose most strong
Optical signal be converted into data signal after be sent to the host process into oximetry data.
Further, the number of the luminous tube is identical with the number of the reception pipe.
Further, the number of the luminous tube is different from the number of the reception pipe.
Further, the luminous tube lights successively.
Further, when the luminous tube is luminous, at least one reception pipe corresponds to therewith.
Further, the luminous tube and the arrangement mode of the reception pipe are transversely arranged or matrix arrangement.
Further, the luminous tube is arranged alternately with the reception pipe or order is set.
Further, the oximetry data includes blood oxygen levels, pulse value, pulse rod figure, pulse wave, PI values.
Further, it is characterised in that including step：
S101, gather multipath light signal；
Optical signal most strong in multipath light signal converts thereof into data signal in S102, selecting step S101；
S103, by the Digital Signal Processing in step S102 into oximetry data.
Further, the multipath light signal in the step S101 is that the luminous tube received by different reception pipes is sent
, the optical signal after tissue reflects or transmits.
The present invention has following beneficial effects：Blood oxygen measuring device provided by the invention and its measuring method, by more
Road optical signal is compared, and selects most strong optical signal to be processed into oximetry data, can be closer to the sensitivity of Oximetry
Region, improve the degree of accuracy of measurement.
Brief description of the drawings
Fig. 1 is the structured flowchart of blood oxygen measuring device of the present invention；
Fig. 2 is the first of luminous tube and reception pipe position layout viewing in blood oxygen measuring device of the present invention；
Fig. 3 is luminous tube and second of position layout viewing of reception pipe in blood oxygen measuring device of the present invention；
Fig. 4 is the third of luminous tube and reception pipe position layout viewing in blood oxygen measuring device of the present invention；
Fig. 5 is the flow chart of blood oxygen measuring method of the present invention.
Embodiment
To make those skilled in the art more fully understand technical scheme, the present invention is carried below in conjunction with the accompanying drawings
The blood oxygen measuring device and its measuring method of confession are described in detail.
As shown in figure 1, the structured flowchart for blood oxygen measuring device of the present invention.Including main frame 10, luminous tube 11, for sending out
Go out feux rouges and infrared light；Reception pipe 12, for receiving feux rouges and infrared light that the luminous tube 11 sends after tissue
Multipath light signal after reflection or transmission, and the optical signal after the reflection or transmission is converted into being sent to institute after data signal
State main frame 10；The main frame 10 is used to be processed into oximetry data after receiving the data signal.Further, the blood oxygen
Measurement apparatus also includes judging selecting unit 13, for judging the power of the multipath light signal received by the reception pipe 12,
And therefrom choose most strong optical signal and be sent to the main frame 10 and be processed into oximetry data.
Further, the number of the luminous tube 11 and the reception pipe 12 can be identical or different.
When the luminous tube 11 lights, at least one reception pipe 12 is corresponding, passes through for receiving the light that luminous tube 11 is sent
Human skin tissue back reflection or the light of transmission.
Further, when the number of the luminous tube is two or more, luminous tube lights successively.
Further, the luminous tube and the arrangement mode of the reception pipe are transversely arranged or matrix arrangement, the hair
Light pipe is arranged alternately with the reception pipe or order is set.
Further, the oximetry data includes blood oxygen levels, pulse value, pulse rod figure, pulse wave, PI values.
As shown in Fig. 2 arranged for the first of luminous tube and reception pipe position in blood oxygen measuring device of the present invention
Figure, luminous tube is transversely arranged with reception pipe, and order setting, i.e. luminous tube is preceding, and rear, luminous tube lights reception pipe successively,
Can light successively in order, i.e., luminous tube 1 first lights, and luminous tube 2 lights again ... until luminous tube n lights successively, also may be used
To be alternately luminous out of turn, i.e., luminous tube 2 first lights, and luminous tube n-1 lights again, so on light successively.When one
When individual luminous tube lights, at least one reception pipe receives the light that luminous tube is sent and passes through human skin tissue back reflection or transmission
Light, can be that any one reception pipe receives and can also be multiple reception pipes while receive.
As shown in figure 3, arranged for second of position of luminous tube in blood oxygen measuring device of the present invention and reception pipe
Figure, luminous tube remains transversely arranged with reception pipe, but luminous tube is to be arranged alternately with reception pipe, i.e. an above luminous tube,
Latter one reception pipe, another luminous tube, behind another reception pipe.Its luminous mechanism and the first position shown in Fig. 2
Layout viewing is identical, and luminous tube lights successively, can sequentially light, can also random light emission.
As shown in figure 4, arranged for the third of luminous tube and reception pipe position in blood oxygen measuring device of the present invention
Figure, luminous tube and reception pipe be arranged into matrix, and the luminous tube and reception pipe of row, column are all arranged alternately, around luminous tube around
Reception pipe, around luminous tube around reception pipe, luminous mechanism is also identical with the layout viewing shown in Fig. 2, Fig. 3, and luminous tube is successively
It is luminous, can sequentially it light, can also random light emission.
Specifically, when the luminous tube in the blood oxygen measuring device is set according to any of Fig. 2, Fig. 3 or Fig. 4,
When luminous tube lights, by human skin tissue reflect or transmit after, all at least one reception pipe come receive reflection or thoroughly
Light after penetrating, when there is more than two reception pipes to receive, the light intensity for the light that we are received is designated as I1 respectively,
I2...In, the judgement selecting unit 13 is compared I1, I2...In size successively, and therefrom chooses light intensity maximum
Signal is sent to the main frame 10 after converting thereof into data signal, and main frame 10 is processed into blood after receiving most strong signal
Oxygen data.
As shown in figure 5, the flow chart for blood oxygen measuring method of the present invention.Including：
S101, gather multipath light signal, have after luminous tube is luminous multiple reception pipes receive by human skin tissue reflection or
During light after transmission, multipath light signal can be produced；
Optical signal most strong in multipath light signal converts thereof into data signal in S102, selecting step S101, and multichannel light is believed
Number compared successively, choose most strong optical signal and be converted into data signal；
S103, by the Digital Signal Processing in step S102 into oximetry data.
Wherein, the multipath light signal in the step S101 is that the luminous tube received by different reception pipes is sent, warp
The optical signal crossed after human body Tissue reflectance or transmission.
Blood oxygen measuring device provided by the invention and its measuring method, by gathering multipath light signal, and therefrom choose most
Strong signal is processed into oximetry data, more accurate closer to sensitizing range, measurement result.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of blood oxygen measuring device, including main frame；Luminous tube, for sending feux rouges and infrared light；Reception pipe, for receiving
State the multipath light signal of feux rouges and infrared light that luminous tube sends after tissue reflects or transmits, and by the reflection or
Optical signal after transmission is sent to the main frame after being converted into data signal；The main frame is used to after receiving the data signal incite somebody to action
It is processed into oximetry data, it is characterised in that the blood oxygen measuring device also includes judging selecting unit, for judging described connect
The power of multipath light signal received by closed tube, and therefrom choose after most strong optical signal is converted into data signal and be sent to institute
Host process is stated into oximetry data.
2. blood oxygen measuring device according to claim 1, it is characterised in that the number of the luminous tube and the reception pipe
Number it is identical.
3. blood oxygen measuring device according to claim 1, it is characterised in that the number of the luminous tube and the reception pipe
Number it is different.
4. the blood oxygen measuring device according to Claims 2 or 3, it is characterised in that the luminous tube lights successively.
5. blood oxygen measuring device according to claim 4, it is characterised in that when the luminous tube lights, at least one
Reception pipe corresponds to therewith.
6. blood oxygen measuring device according to claim 5, it is characterised in that the arrangement of the luminous tube and the reception pipe
Mode is transversely arranged or matrix arrangement.
7. blood oxygen measuring device according to claim 6, it is characterised in that the luminous tube replaces with the reception pipe to be set
Put or order is set.
8. blood oxygen measuring device according to claim 1, it is characterised in that the oximetry data includes blood oxygen levels, pulse
Value, pulse rod figure, pulse wave, PI values.
9. according to the measuring method of any described blood oxygen measuring devices of claim 1-8, it is characterised in that including step：
S101, gather multipath light signal；
Optical signal most strong in multipath light signal converts thereof into data signal in S102, selecting step S101；
S103, by the Digital Signal Processing in step S102 into oximetry data.
10. blood oxygen measuring method according to claim 9, it is characterised in that the multipath light signal in the step S101
Sent for the luminous tube received by different reception pipes, the optical signal after tissue reflects or transmits.
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 |
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| Publication Number | Publication Date |
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| CN107550498A true CN107550498A (en) | 2018-01-09 |
| CN107550498B CN107550498B (en) | 2024-02-09 |
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Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN107550498B (en) | 2024-02-09 |
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