CN107184218A - A kind of noninvasive photoelectricity glucometer - Google Patents
A kind of noninvasive photoelectricity glucometer Download PDFInfo
- Publication number
- CN107184218A CN107184218A CN201710551963.4A CN201710551963A CN107184218A CN 107184218 A CN107184218 A CN 107184218A CN 201710551963 A CN201710551963 A CN 201710551963A CN 107184218 A CN107184218 A CN 107184218A
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- CN
- China
- Prior art keywords
- module
- light source
- chip
- noninvasive
- finger
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
-
- 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
- A61B5/14532—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 for measuring glucose, e.g. by tissue impedance measurement
-
- 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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
Abstract
The invention discloses a kind of noninvasive photoelectricity glucometer, belong to medical instruments field, the housing constituted including wrist strap and by upper shell and lower house, the end of upper shell and lower house is hinged, wrist strap is arranged on lower house, and the inner side of upper shell and lower house sets finger to determine chamber, and the surface of upper shell sets display screen and finger-print switch, detection circuit board is set in housing, and finger-print switch is connected with detection circuit board；Detect that circuit board includes power module, chip, light source, light source driver module, sensor, amplifier module, analog-to-digital conversion module, display module, memory and remote control module；Power module is connected with chip and finger-print switch respectively, chip is connected with light source driver module, the input connection of sensor and amplifier module, the output end of amplifier module is connected with analog-to-digital conversion module, display module, stores it and remote control module is connected with chip.Small volume of the present invention, is easy to carry and detects at any time, and detection structure is accurate.
Description
Technical field
The invention belongs to medical instruments field, and in particular to a kind of noninvasive photoelectricity glucometer.
Background technology
Diabetes are one group of metabolic diseases being characterized with hyperglycaemia, hyperglycaemia be due to defect of insulin secretion or its
Biological agent is damaged, or both have concurrently and cause.Diabetes thing long-term existence moral hyperglycaemia, cause various tissues, particularly eye,
Kidney, heart, blood vessel, the chronic lesion of nerve, dysfunction.Therefore, it is periodically great to patient's progress blood glucose value Clinical significance of detecting.
The method of detection blood glucose is divided into invasive, minimally invasive and noninvasive method at present.Invasive and minimally invasive detection method has
There is different degrees of tissue invasive, not only bring pain to patient, and easily cause infection, limitation is larger.Noninvasive blood
Sugar detection instrument is broadly divided into photoelectric type and electrode type according to its operation principle, and noninvasive photoelectric type blood-sugar detecting instrument is former according to optics
Reason can be divided into reflective and transmission-type again.Because reflective detection device measurement index is inaccurate, currently without ripe application
Product；And transmission-type detection device, can meet completely " monitoring level, FDA SFDA " application requirements, but there is equipment or side
Method is excessively complicated, should not carry, detection sensitivity is low, the problems such as stability is poor.
The content of the invention
In order to solve the above problems, present invention aims at providing that a kind of stability is high, detection sensitivity is high, small volume and
The noninvasive photoelectricity blood-sugar detecting instrument for being easy to carry and detecting at any time.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of noninvasive photoelectricity blood-sugar detecting instrument, including wrist strap, the housing that is made up of upper shell and lower house, upper shell and lower house
End be hinged, wrist strap is arranged on lower house, and the inner side of upper shell and lower house sets finger to determine chamber, the surface of upper shell
Set and detection circuit board is set in display screen and finger-print switch, housing, finger-print switch is connected with detection circuit board；
Detect that circuit board includes power module, chip, light source, light source driver module, sensor, amplifier module, analog-to-digital conversion
Module, display module, memory and remote control module；Power module is connected with chip and finger-print switch respectively, chip and light
Source drive module connection, light source driver module is used for the input for driving light source to launch detection light, sensor and amplifier module
Connection, the output end of amplifier module is connected with analog-to-digital conversion module, and display module, memory and remote control module are and core
Piece is connected.
Further, detection circuit board also include filtration module, be arranged between chip and analog-to-digital conversion module, for pair
Data signal after conversion is filtered processing.
Further, remote control module includes bluetooth module, NB-IoT modules and usb interface module.
Preferably, chip is the integrated chip based on MCU and DSP architecture.
Preferably, light source is LED/light source or LASER Light Source.
Preferably, LASER Light Source is visible light lasers and infrared ray laser.
Preferably, LED/light source is red-light LED and infrared light LED.
Preferably, sensor is acceleration transducer or gyro sensor.
Preferably, air-vent is set on wrist strap.
Compared with prior art, beneficial effects of the present invention：
The present invention is non-invasive measurement, takes blood to measure without puncturing skin again, eliminates infection hidden danger；Rational in infrastructure, body of the invention
Product is small, directly can be worn in wrist, is easy to carry and detects at any time；Using transmission-type structure, stability and detection sensitivity are high,
Detection level reaches monitoring level index, wherein 90% or so is reached for the degree of fitting of normal population, for the plan of hyperglycemia population
Right to reach 95% or so, measurement result is accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the circuit structure block diagram of the present invention；
Wherein, 1- housings, 11- upper shells, 12- lower houses, 2- wrist straps, 3- air-vents, 4- fingers determine chamber, 5- display screens, 6-
Finger-print switch.
Embodiment
With reference to Fig. 1 and Fig. 2, embodiments of the invention are elaborated, the present embodiment is with the technology of the present invention side
It is lower premised on case to be implemented, detailed embodiment and specific operating process are given, but protection scope of the present invention is not
It is limited to following embodiments.
The invention discloses a kind of noninvasive photoelectricity blood-sugar detecting instrument, as shown in figure 1, including wrist strap 2, by upper shell 11 and under
The housing 1 that housing 12 is constituted；In order to increase the comfortableness worn, air-vent 3 is set on wrist strap；Upper shell 11 and lower house 12
End be hinged, wrist strap 2 is arranged on lower house 12, and the inner side of upper shell 11 and lower house 12 sets finger to determine chamber 4, measurement
When, place a digit into finger and determine in chamber 4, the surface of upper shell 11, which is set, sets inspection in display screen 5 and finger-print switch 6, housing 1
Slowdown monitoring circuit plate；
Detect that circuit board includes power module, chip, light source, light source driver module, sensor, amplifier module, analog-to-digital conversion
Module, filtration module, display module, memory and remote control module, schematic diagram are as shown in Figure 2；Chip in the present embodiment
The integrated chip based on MCU and DSP architecture is used, light source is in LED/light source or LASER Light Source, LED/light source is red-light LED
With infrared light LED, LASER Light Source is visible light lasers and infrared ray laser；
Power module is connected with chip and finger-print switch 6 respectively, connection or disconnected of the finger-print switch 6 to control power supply and chip
Open, in use, fingerprint authentication identity first, if being verified, power module provides power supply for chip, after can then carrying out
Continuous detection；It if fingerprint authentication can not pass through, can not be powered, also can not just carry out subsequent detection.
Chip is connected with light source driver module, and fingerprint authentication is by rear, and power module provides power supply, chip controls for chip
Light source driver module driving light source transmitting feux rouges and infrared light are to finger, and the input connection of sensor and amplifier module is passed
Sensor is used to receive the optical signal transmissive through finger and by this optical signal converted electrical number, and amplifier module is used for electric signal
It is converted into voltage signal and is amplified to setting range, the output end of amplifier module and the input of analog-to-digital conversion module is connected,
Analog-to-digital conversion module is used to the voltage signal after amplification being converted into data signal, output end and the filtering mould of analog-to-digital conversion module
The input connection of block, filtration module is used to be filtered processing to the data signal after conversion, and filtration module is connected with chip；
Display module, memory and remote control module are connected with chip, and the data signal after handling after filtering is passed through in chip
The algorithm being pre-designed, which is handled, to be included measured value eventually through display module being stored on display screen 5, and by numerical value
In memory, measured value can also be carried out data transmission by remote control module with the external world, in the present embodiment, remote control
Module includes bluetooth module, NB-IoT modules and usb interface module.
In order to improve one kind in the accuracy of measurement, sensor selection acceleration transducer or gyro sensor.
When specifically used, fingerprint recognition is carried out first, then opens upper shell and lower house is angled, finger is put
Enter finger and determine intracavitary, fingerprint recognition is by rear, and power module is that chip provides power supply, and chip controls light source driver module drives
Light source launches feux rouges and infrared light to finger, and sensor receives the optical signal transmissive through finger and by this optical signal converted electrical
Number, then electric signal passes sequentially through amplifier module and analog-to-digital conversion module, is converted into data signal, and data signal passes through filtering
Module is transferred to chip after being filtered processing, and eventually passing through the algorithm being pre-designed in chip includes measured value in display screen
On.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of noninvasive photoelectricity blood-sugar detecting instrument, it is characterised in that the housing constituted including wrist strap, by upper shell and lower house,
The end of upper shell and lower house is hinged, and wrist strap is arranged on lower house, and the inner side of upper shell and lower house sets finger to determine
Chamber, the surface of upper shell sets and detection circuit board is set in display screen and finger-print switch, housing, finger-print switch and detection circuit board
Connection；Detect that circuit board includes power module, chip, light source, light source driver module, sensor, amplifier module, analog-to-digital conversion
Module, display module, memory and remote control module；Power module is connected with chip and finger-print switch respectively, chip and light
Source drive module connection, light source driver module is used for the input for driving light source to launch detection light, sensor and amplifier module
Connection, the output end of amplifier module is connected with analog-to-digital conversion module, and display module, memory and remote control module are and core
Piece is connected.
2. noninvasive photoelectricity blood-sugar detecting instrument according to claim 1, it is characterised in that detection circuit board also includes filtering mould
Block, is arranged between chip and analog-to-digital conversion module, for being filtered processing to the data signal after conversion.
3. noninvasive photoelectricity blood-sugar detecting instrument according to claim 1 or 2, it is characterised in that remote control module includes indigo plant
Tooth module, NB-IoT modules and usb interface module.
4. the noninvasive photoelectricity blood-sugar detecting instrument according to right will go to 1 or 2, it is characterised in that chip is to be based on MCU and DSP
The integrated chip of framework.
5. noninvasive photoelectricity blood-sugar detecting instrument according to claim 1 or 2, it is characterised in that light source is LED/light source or laser
Light source.
6. noninvasive photoelectricity blood-sugar detecting instrument according to claim 5, it is characterised in that LASER Light Source be visible light lasers and
Infrared ray laser.
7. noninvasive photoelectricity blood-sugar detecting instrument according to claim 5, it is characterised in that LED/light source is red-light LED and infrared
Light LED.
8. noninvasive photoelectricity blood-sugar detecting instrument according to claim 1 or 2, it is characterised in that sensor is acceleration sensing
Device or gyro sensor.
9. noninvasive photoelectricity blood-sugar detecting instrument according to claim 1 or 2, it is characterised in that air-vent is set on wrist strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551963.4A CN107184218A (en) | 2017-07-07 | 2017-07-07 | A kind of noninvasive photoelectricity glucometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551963.4A CN107184218A (en) | 2017-07-07 | 2017-07-07 | A kind of noninvasive photoelectricity glucometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107184218A true CN107184218A (en) | 2017-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710551963.4A Pending CN107184218A (en) | 2017-07-07 | 2017-07-07 | A kind of noninvasive photoelectricity glucometer |
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| CN (1) | CN107184218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758985A (en) * | 2021-09-10 | 2021-12-07 | 湖南金智芯医疗科技有限公司 | Nano-chip blood sugar detection device of five-point calibration method |
-
2017
- 2017-07-07 CN CN201710551963.4A patent/CN107184218A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758985A (en) * | 2021-09-10 | 2021-12-07 | 湖南金智芯医疗科技有限公司 | Nano-chip blood sugar detection device of five-point calibration method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170922 |