CN105433957A - Integrated chip for detecting human body oxyhemoglobin saturation - Google Patents
Integrated chip for detecting human body oxyhemoglobin saturation Download PDFInfo
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- CN105433957A CN105433957A CN201511006356.7A CN201511006356A CN105433957A CN 105433957 A CN105433957 A CN 105433957A CN 201511006356 A CN201511006356 A CN 201511006356A CN 105433957 A CN105433957 A CN 105433957A
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- infrared light
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- electrical converter
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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
- A61B5/14551—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
- A61B5/145—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
-
- 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
- A61B5/14552—Details of sensors specially adapted therefor
-
- 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
Abstract
The invention provides an integrated chip for detecting human body oxyhemoglobin saturation. The integrated chip comprises a red light diode driving circuit, a red light photoelectric transducer, a first current-voltage conversion circuit, an infrared light diode driving circuit, an infrared light photoelectric transducer, a second current-voltage conversion circuit, an analog-digital conversion circuit and a digital signal processing circuit. The red light diode driving circuit is connected with a red light diode. The output end of the red light photoelectric transducer is connected with the first current-voltage conversion circuit. The output end of the first current-voltage conversion circuit is connected with the analog-digital conversion circuit. The infrared light diode driving circuit is connected with an infrared light diode. The output end of the infrared light photoelectric transducer is connected with the second current-voltage conversion circuit. The integrated chip has the advantages that an application circuit is simplified, the equipment for measuring human body oxyhemoglobin saturation is greatly miniaturized, and the cost is reduced.
Description
Technical field
The present invention relates to checkout gear, particularly relate to a kind of integrated chip of human body blood oxygen saturation.
Background technology
Mobile healthy, portable personal care medicine is one of important component part after China in health care system.Individual can be guarded for a long time continuously, the burst state of an illness of children under guardianship or abnormal physiological situation can be found in time, by one of important need of medical and health services development after being.The real-time of this application and universality require that this overlaps novel monitor system and needs to possess portability, miniaturization, integrated, the feature of low-power consumption.
Equipment many employings split circuit board-level circuit of current detection blood oxygen saturation, the light change received by transmission or reflection is converted into electric impulse signal, pass through current-to-voltage converting circuit, amplifying circuit, and low-pass filter circuit carries out process and obtains volume pulsation wave signal, obtain oximetry value by carrying out algorithm process to two-way volume pulsation wave; The method analog circuit is complicated, and plate level area occupied is large, and the miniaturization being not easy to equipment is integrated.Also has digital oxygen saturation measurement mode, adopt light-frequency conversion method, light-frequency converter is utilized the optical signal received to be converted to frequency and the proportional electric impulse signal of light intensity, pulse signals is carried out frequency technique and is carried out Digital Signal Processing, obtains human body oximetry value; But light available at present-frequency converter frequency range is at below 1MHz, allow the resolution that frequency technique reaches required, just need the drive current automatically regulating luminous tube, make the tissue for any thickness, light-frequency converter exports the precision that pulse has enough pulsewidths to measure with hold period, but accomplish this point, when tissue thickness is thinner time, drive current and optical pulse intensity all can be transferred to very little, and signal to noise ratio can be caused seriously to reduce.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of integrated chip of human body blood oxygen saturation.
The invention provides a kind of integrated chip of human body blood oxygen saturation, comprise red diodes drive circuit, HONGGUANG optical-electrical converter, first current-to-voltage converting circuit, infrared light diode drive circuit, infrared light optical-electrical converter, second current-to-voltage converting circuit, analog to digital conversion circuit and digital signal processing circuit, wherein, described red diodes drive circuit is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter is connected with described first current-to-voltage converting circuit, the outfan of described first current-to-voltage converting circuit is connected with analog-digital conversion circuit as described, described infrared light diode drive circuit is connected with infrared light diode, the outfan of described infrared light optical-electrical converter is connected with described second current-to-voltage converting circuit, the outfan of described second current-to-voltage converting circuit is connected with analog-digital conversion circuit as described, the outfan of analog-digital conversion circuit as described is connected with described digital signal processing circuit, described red diodes drive circuit drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter, infrared light optical-electrical converter accepts and is converted to current signal, again through the first current-to-voltage converting circuit, second current-to-voltage converting circuit obtains voltage signal, pass through analog-digital converter, the voltage signal obtained is quantized.
As a further improvement on the present invention, described digital signal processing circuit is connected with output interface.
As a further improvement on the present invention, described output interface is IIC digital interface.
As a further improvement on the present invention, described output interface is SPI interface.
As a further improvement on the present invention, described output interface is UART interface.
Present invention also offers a kind of integrated chip of human body blood oxygen saturation, comprise red diodes drive circuit, HONGGUANG optical-electrical converter, infrared light diode drive circuit, infrared light optical-electrical converter, analog to digital conversion circuit and digital signal processing circuit, wherein, described red diodes drive circuit is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter is connected with analog-digital conversion circuit as described, described infrared light diode drive circuit is connected with infrared light diode, the outfan of described infrared light optical-electrical converter is connected with analog-digital conversion circuit as described, the outfan of analog-digital conversion circuit as described is connected with described digital signal processing circuit, described red diodes drive circuit drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter, infrared light optical-electrical converter accepts and is directly converted to voltage signal, pass through analog-digital converter, the voltage signal obtained is quantized.
Present invention also offers a kind of integrated chip of human body blood oxygen saturation, comprise red diodes drive circuit, HONGGUANG optical-electrical converter, infrared light diode drive circuit, infrared light optical-electrical converter, analog to digital conversion circuit and digital signal processing circuit, wherein, described red diodes drive circuit is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter is connected with analog-digital conversion circuit as described, described infrared light diode drive circuit is connected with infrared light diode, the outfan of described infrared light optical-electrical converter is connected with analog-digital conversion circuit as described, the outfan of analog-digital conversion circuit as described is connected with described digital signal processing circuit, described analog-digital converter is current mode analog-digital converter, described red diodes drive circuit drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter, infrared light optical-electrical converter accepts and is directly converted to current signal, by current mode analog-digital converter, the voltage signal obtained is quantized
The invention has the beneficial effects as follows: by such scheme, simplify application circuit, make to measure the great miniaturization of human body blood oxygen saturation equipment, and reduce costs.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the integrated chip of a kind of human body blood oxygen saturation of the present invention.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and detailed description of the invention the present invention is further described.
Embodiment one
As shown in Figure 1, a kind of integrated chip of human body blood oxygen saturation, comprise red diodes drive circuit 1, HONGGUANG optical-electrical converter 2, first current-to-voltage converting circuit 3, infrared light diode drive circuit 4, infrared light optical-electrical converter 5, second current-to-voltage converting circuit 6, analog to digital conversion circuit 7 and digital signal processing circuit 8, wherein, described red diodes drive circuit 1 is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter 2 is connected with described first current-to-voltage converting circuit 3, the outfan of described first current-to-voltage converting circuit 3 is connected with analog-digital conversion circuit as described 7, described infrared light diode drive circuit 4 is connected with infrared light diode, the outfan of described infrared light optical-electrical converter 5 is connected with described second current-to-voltage converting circuit 6, the outfan of described second current-to-voltage converting circuit 6 is connected with analog-digital conversion circuit as described 7, the outfan of analog-digital conversion circuit as described 7 is connected with described digital signal processing circuit 8, described red diodes drive circuit 1 drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit 4 drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter 2, infrared light optical-electrical converter 5 accepts and is converted to current signal, again through the first current-to-voltage converting circuit 3, second current-to-voltage converting circuit 6 obtains voltage signal, by analog-digital converter 7, the voltage signal obtained is quantized, through specific Processing Algorithm, human body oximetry value can be obtained.
As shown in Figure 1, described digital signal processing circuit 8 is connected with output interface 9.
As shown in Figure 1, described output interface 9 is preferably IIC digital interface.
As shown in Figure 1, described output interface 9 is preferably SPI interface.
As shown in Figure 1, described output interface 9 is preferably UART interface.
Embodiment two
First current-to-voltage converting circuit 3 also can not be set, second current-to-voltage converting circuit 6, directly by HONGGUANG optical-electrical converter 2, infrared light optical-electrical converter 5 is converted to voltage signal, be specially: a kind of integrated chip of human body blood oxygen saturation, comprise red diodes drive circuit 1, HONGGUANG optical-electrical converter 2, infrared light diode drive circuit 4, infrared light optical-electrical converter 5, analog to digital conversion circuit 7 and digital signal processing circuit 8, wherein, described red diodes drive circuit 1 is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter 2 is connected with analog-digital conversion circuit as described 7, described infrared light diode drive circuit 4 is connected with infrared light diode, the outfan of described infrared light optical-electrical converter 5 is connected with analog-digital conversion circuit as described 7, the outfan of analog-digital conversion circuit as described 7 is connected with described digital signal processing circuit 8, described red diodes drive circuit 1 drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit 4 drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter 2, infrared light optical-electrical converter 5 accepts and is directly converted to voltage signal, by analog-digital converter 7, the voltage signal obtained is quantized, through specific Processing Algorithm, human body oximetry value can be obtained.
Embodiment three
First current-to-voltage converting circuit 3 also can not be set, second current-to-voltage converting circuit 6, HONGGUANG optical-electrical converter 2, infrared light optical-electrical converter 5 is still converted to current signal, but analog to digital conversion circuit 7 adopts current mode analog to digital conversion circuit, be specially: a kind of integrated chip of human body blood oxygen saturation, comprise red diodes drive circuit 1, HONGGUANG optical-electrical converter 2, infrared light diode drive circuit 4, infrared light optical-electrical converter 5, analog to digital conversion circuit 7 and digital signal processing circuit 8, wherein, described red diodes drive circuit 1 is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter 2 is connected with analog-digital conversion circuit as described 7, described infrared light diode drive circuit 4 is connected with infrared light diode, the outfan of described infrared light optical-electrical converter 5 is connected with analog-digital conversion circuit as described 7, the outfan of analog-digital conversion circuit as described 7 is connected with described digital signal processing circuit 8, analog to digital conversion circuit 7 adopts current mode analog to digital conversion circuit, described red diodes drive circuit 1 drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit 4 drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter 2, infrared light optical-electrical converter 5 accepts and is directly converted to circuit signal, by current mode analog to digital conversion circuit, the voltage signal obtained is quantized, through specific Processing Algorithm, human body oximetry value can be obtained.
The integrated chip of a kind of human body blood oxygen saturation provided by the invention, adopt IC regime, realize the function of human body blood oxygen saturation, by integrated HONGGUANG optical-electrical converter 2 and infrared light optical-electrical converter 5, first current-to-voltage converting circuit 3, second current-to-voltage converting circuit 6, analog to digital conversion circuit 7, red diodes drive circuit 1, infrared light diode drive circuit 4, digital signal processing circuit 8 and output interface 9, reduce circuit area and power consumption greatly, be convenient to the miniaturization of equipment, taken into account human body individual difference preferably simultaneously.
The integrated chip of a kind of human body blood oxygen saturation provided by the invention, be different from discrete device board-level circuit, after HONGGUANG optical-electrical converter 2 and infrared light optical-electrical converter 5 transfer light to the signal of telecommunication, directly be converted to digital signal by high-precision analog to digital conversion circuit 7, traditional amplification and filter circuit are abandoned, make structure simpler, power consumption is lower; Also be different from light-frequency conversion way, utilize high-precision analog to digital conversion circuit 7 to improve range of signal and signal to noise ratio, take into account the individual difference of human body.
The integrated chip of a kind of human body blood oxygen saturation provided by the invention, integrated electro accepter, current-to-voltage converting circuit, high accuracy D/A converting circuit, digital signal processing circuit, realizes the integrated chip of testing circuit, reaches the requirement of cardiotachometer equipment Miniaturizable.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. the integrated chip of a human body blood oxygen saturation, it is characterized in that: comprise red diodes drive circuit, HONGGUANG optical-electrical converter, first current-to-voltage converting circuit, infrared light diode drive circuit, infrared light optical-electrical converter, second current-to-voltage converting circuit, analog to digital conversion circuit and digital signal processing circuit, wherein, described red diodes drive circuit is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter is connected with described first current-to-voltage converting circuit, the outfan of described first current-to-voltage converting circuit is connected with analog-digital conversion circuit as described, described infrared light diode drive circuit is connected with infrared light diode, the outfan of described infrared light optical-electrical converter is connected with described second current-to-voltage converting circuit, the outfan of described second current-to-voltage converting circuit is connected with analog-digital conversion circuit as described, the outfan of analog-digital conversion circuit as described is connected with described digital signal processing circuit, described red diodes drive circuit drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter, infrared light optical-electrical converter accepts and is converted to current signal, again through the first current-to-voltage converting circuit, second current-to-voltage converting circuit obtains voltage signal, pass through analog-digital converter, the voltage signal obtained is quantized.
2. the integrated chip of human body blood oxygen saturation according to claim 1, is characterized in that: described digital signal processing circuit is connected with output interface.
3. the integrated chip of human body blood oxygen saturation according to claim 2, is characterized in that: described output interface is IIC digital interface.
4. the integrated chip of human body blood oxygen saturation according to claim 2, is characterized in that: described output interface is SPI interface.
5. the integrated chip of human body blood oxygen saturation according to claim 2, is characterized in that: described output interface is UART interface.
6. the integrated chip of a human body blood oxygen saturation, it is characterized in that: comprise red diodes drive circuit, HONGGUANG optical-electrical converter, infrared light diode drive circuit, infrared light optical-electrical converter, analog to digital conversion circuit and digital signal processing circuit, wherein, described red diodes drive circuit is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter is connected with analog-digital conversion circuit as described, described infrared light diode drive circuit is connected with infrared light diode, the outfan of described infrared light optical-electrical converter is connected with analog-digital conversion circuit as described, the outfan of analog-digital conversion circuit as described is connected with described digital signal processing circuit, described red diodes drive circuit drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter, infrared light optical-electrical converter accepts and is directly converted to voltage signal, pass through analog-digital converter, the voltage signal obtained is quantized.
7. the integrated chip of a human body blood oxygen saturation, it is characterized in that: comprise red diodes drive circuit, HONGGUANG optical-electrical converter, infrared light diode drive circuit, infrared light optical-electrical converter, analog to digital conversion circuit and digital signal processing circuit, wherein, described red diodes drive circuit is connected with red diodes, the outfan of described HONGGUANG optical-electrical converter is connected with analog-digital conversion circuit as described, described infrared light diode drive circuit is connected with infrared light diode, the outfan of described infrared light optical-electrical converter is connected with analog-digital conversion circuit as described, the outfan of analog-digital conversion circuit as described is connected with described digital signal processing circuit, described analog-digital converter is current mode analog-digital converter, described red diodes drive circuit drives described red diodes to produce HONGGUANG light, described infrared light diode drive circuit drives described infrared light diode to produce infrared light light, HONGGUANG light, infrared light light is after the skin transmission or reflection of human body, respectively by HONGGUANG optical-electrical converter, infrared light optical-electrical converter accepts and is directly converted to current signal, by current mode analog-digital converter, the voltage signal obtained is quantized.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006356.7A CN105433957A (en) | 2015-12-29 | 2015-12-29 | Integrated chip for detecting human body oxyhemoglobin saturation |
| PCT/CN2016/100038 WO2017113910A1 (en) | 2015-12-29 | 2016-09-25 | Integrated chip for detecting blood oxygen saturation of human body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006356.7A CN105433957A (en) | 2015-12-29 | 2015-12-29 | Integrated chip for detecting human body oxyhemoglobin saturation |
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| Publication Number | Publication Date |
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| CN105433957A true CN105433957A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511006356.7A Pending CN105433957A (en) | 2015-12-29 | 2015-12-29 | Integrated chip for detecting human body oxyhemoglobin saturation |
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| CN (1) | CN105433957A (en) |
| WO (1) | WO2017113910A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017113910A1 (en) * | 2015-12-29 | 2017-07-06 | 深圳贝特莱电子科技股份有限公司 | Integrated chip for detecting blood oxygen saturation of human body |
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| US5553614A (en) * | 1988-12-21 | 1996-09-10 | Non-Invasive Technology, Inc. | Examination of biological tissue using frequency domain spectroscopy |
| WO2006032981A1 (en) * | 2004-09-24 | 2006-03-30 | Oleg Muzyrya | A method of non-invasive measurement of sugar in blood and construction for its realisation |
| US20090318787A1 (en) * | 2008-06-19 | 2009-12-24 | Nihon Kohden Corporation | Pulse oximetry and pulse oximeter |
| CN202714854U (en) * | 2012-08-02 | 2013-02-06 | 深圳市邦健电子有限公司 | Photoelectric detection circuit, blood oxygen probe and monitor |
| CN103027691A (en) * | 2012-12-24 | 2013-04-10 | 深圳迪美泰数字医学技术有限公司 | Digital measuring device and digital measuring method for physiological and biochemical parameters |
| CN103948392A (en) * | 2014-05-05 | 2014-07-30 | 东莞市巨细信息科技有限公司 | Oximeter and blood oxygen collection monitoring system thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3032150A1 (en) * | 1980-08-26 | 1982-04-01 | Hellige Gmbh, 7800 Freiburg | METHOD AND MEASURING DEVICE FOR COLORIMETRICALLY DETERMINING THE CONCENTRATION OF A CHEMICAL SUBSTANCE, IN PARTICULAR THE PARTIAL PRESSURE OF A GAS SOLVED IN BLOOD |
| CN105433957A (en) * | 2015-12-29 | 2016-03-30 | 深圳贝特莱电子科技股份有限公司 | Integrated chip for detecting human body oxyhemoglobin saturation |
-
2015
- 2015-12-29 CN CN201511006356.7A patent/CN105433957A/en active Pending
-
2016
- 2016-09-25 WO PCT/CN2016/100038 patent/WO2017113910A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553614A (en) * | 1988-12-21 | 1996-09-10 | Non-Invasive Technology, Inc. | Examination of biological tissue using frequency domain spectroscopy |
| WO2006032981A1 (en) * | 2004-09-24 | 2006-03-30 | Oleg Muzyrya | A method of non-invasive measurement of sugar in blood and construction for its realisation |
| US20090318787A1 (en) * | 2008-06-19 | 2009-12-24 | Nihon Kohden Corporation | Pulse oximetry and pulse oximeter |
| CN202714854U (en) * | 2012-08-02 | 2013-02-06 | 深圳市邦健电子有限公司 | Photoelectric detection circuit, blood oxygen probe and monitor |
| CN103027691A (en) * | 2012-12-24 | 2013-04-10 | 深圳迪美泰数字医学技术有限公司 | Digital measuring device and digital measuring method for physiological and biochemical parameters |
| CN103948392A (en) * | 2014-05-05 | 2014-07-30 | 东莞市巨细信息科技有限公司 | Oximeter and blood oxygen collection monitoring system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017113910A1 (en) * | 2015-12-29 | 2017-07-06 | 深圳贝特莱电子科技股份有限公司 | Integrated chip for detecting blood oxygen saturation of human body |
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| WO2017113910A1 (en) | 2017-07-06 |
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Application publication date: 20160330 |