CN110013246A - A kind of hyperbaric oxygen chamber vital sign monitoring method and system - Google Patents
A kind of hyperbaric oxygen chamber vital sign monitoring method and system Download PDFInfo
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- CN110013246A CN110013246A CN201910368100.2A CN201910368100A CN110013246A CN 110013246 A CN110013246 A CN 110013246A CN 201910368100 A CN201910368100 A CN 201910368100A CN 110013246 A CN110013246 A CN 110013246A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 85
- 239000001301 oxygen Substances 0.000 title claims abstract description 85
- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000008280 blood Substances 0.000 claims abstract description 52
- 210000004369 blood Anatomy 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 230000036772 blood pressure Effects 0.000 claims abstract description 14
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 12
- 230000036760 body temperature Effects 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 4
- 230000000747 cardiac effect Effects 0.000 claims description 15
- 230000007831 electrophysiology Effects 0.000 claims description 15
- 238000002001 electrophysiology Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000035488 systolic blood pressure Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000035487 diastolic blood pressure Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 206010070511 Hypoxic-ischaemic encephalopathy Diseases 0.000 description 2
- 208000037212 Neonatal hypoxic and ischemic brain injury Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 208000009973 brain hypoxia - ischemia Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 208000033300 perinatal asphyxia Diseases 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010011951 Decompression Sickness Diseases 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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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
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
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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
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
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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
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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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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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
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- Optics & Photonics (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
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Abstract
The present invention discloses a kind of hyperbaric oxygen chamber vital sign monitoring method and system, obtains the sign information index of monitored user in real time by terminal device, position detection data are compared with position threshold value of warning；Attitude detection data are compared with posture threshold value of warning；Temperature check data are compared with body temperature threshold value of warning；Blood-pressure measurement data is compared with blood pressure threshold value of warning；Blood oxygen saturation data is compared with blood oxygen saturation threshold value of warning；Electrocardiogram (ECG) data is compared with electrocardio threshold value of warning；Default sign information forewarning index reference value is alarmed when sign information index is more than or equal to early warning reference value beyond the quantity of threshold value of warning, is adjusted according to environmental index of the sign information index to hyperbaric oxygen chamber.Can be accurate to obtain human body all data index in the case where not influencing patient's rest and noninvasive situation, and by feedback and adaptive, intelligent cabin environment is provided for patient.
Description
Technical field
The present invention relates to a kind of hyperbaric oxygen chamber vital sign monitoring method and systems, belong to technical field of data processing.
Background technique
Hyperbaric oxygen chamber is the special medical equipment for carrying out hyperbaric oxygen ation, including air pressurized cabin and pure oxygen compression chamber two
Kind.Clinic is mainly used for anaerobic infection, CO poisoning, aeroembolism disease, decompression sickness, hypoxic-ischemic encephalopathy (HIE), brain trauma, cerebrovascular disease
The treatment of disease etc..Hyperbaric oxygen chamber therapy has unique curative effect and broad development future in hyperbaric oxygen clinical medicine, passes through high pressure
Oxygen cabin, which places the patient into higher than one atmospheric pressure environment, absorbs pure oxygen, and the concentration of institute's oxygen uptake is 85%~99%, the oxygen content of blood
It is the several times of oxygen uptake under normal pressure, blood oxygen tension and content can be effectively improved, has special efficacy to treatment acute and chronic ischemic disease.
Currently, being monitored by complicated monitoring instrument equipment and more bulky human body wearable device, to patient
Rest and the state of an illness recovery cause larger impact, especially existing raglan sleeve type or wrist blood pressure real time monitoring technology sleep patient
Dormancy quality causes serious influence, while monitoring mode is not in time, occasions a delay to the state of an illness, also increases for the work of doctor
Burden, furthermore cannot effectively be monitored the vital sign of user in the prior art, and doctor lacks assessment patient's state of an illness
The open frequency of reference data, hyperbaric oxygen chamber is high.
Summary of the invention
The present invention in view of the deficienciess of the prior art, provide a kind of hyperbaric oxygen chamber vital sign monitoring method and system,
Can be accurate to obtain human body all data index in the case where not influencing patient's rest and noninvasive situation, and by feedback and from
It adapts to, provides intelligent cabin environment for patient.
The technical scheme to solve the above technical problems is that a kind of hyperbaric oxygen chamber vital sign monitoring method, packet
Include following steps:
Predeterminated position threshold value of warning, posture threshold value of warning, body temperature threshold value of warning, blood pressure threshold value of warning, blood oxygen saturation are pre-
Alert threshold value and electrocardio threshold value of warning；
Obtain the sign information index of monitored user in real time by terminal device, the sign information index includes position
Detection data, attitude detection data, temperature check data, blood-pressure measurement data, blood oxygen saturation data and electrocardiogram (ECG) data；
The position detection data are compared with the position threshold value of warning；By the attitude detection data with it is described
Posture threshold value of warning is compared；The temperature check data are compared with the body temperature threshold value of warning；By the blood pressure
Measurement data is compared with the blood pressure threshold value of warning；By the blood oxygen saturation data and the blood oxygen saturation early warning threshold
Value is compared；The electrocardiogram (ECG) data is compared with the electrocardio threshold value of warning；
Default sign information forewarning index reference value, when the sign information index is greater than etc. beyond the quantity of threshold value of warning
It alarms when the early warning reference value, the environmental index of hyperbaric oxygen chamber is adjusted according to the sign information index.
As the preferred embodiment of hyperbaric oxygen chamber vital sign monitoring method, added by three axis MEMS gyro and 3 axis MEMS
The integrated chip of speedometer is acquired the position detection data and attitude detection data, described integrated
Chip includes control unit and pulse output interface, control unit by iic bus agreement and the three axis MEMS gyro and
3 axis MEMS accelerometer is communicated, and the integrated chip is connect by pulse output interface with pedometer.
As the preferred embodiment of hyperbaric oxygen chamber vital sign monitoring method, by infrared integrated temperature sensor to the body
Temperature detector measured data is acquired, and the infrared integrated temperature sensor includes the digital conditioning module of DS18B20.
As the preferred embodiment of hyperbaric oxygen chamber vital sign monitoring method, pass through several infrared integrated temperature sensor battle arrays
Column acquisition temperature check data form temperature data group, and carry out arithmetic average operation to the temperature data group and obtain body temperature inspection
Measured data, temperature check data combination least square method data fitting algorithms are fitted.
As the preferred embodiment of hyperbaric oxygen chamber vital sign monitoring method, the pulse transducer based on photoplethymograph passes through
The variation of infrared detection finger fingertip blood volume, output change the pulse wave of voltage form in a linear relationship with finger tip blood volume
Signal.
As the preferred embodiment of hyperbaric oxygen chamber vital sign monitoring method, it includes two LED that blood oxygen saturation, which acquires front end,
Light source and an optical sensor, two LED light sources issue feux rouges and infrared light respectively, and acquisition front end obtains feux rouges and infrared light
Photo-signal is amplified through preamplifier, obtains independent two-way photoelectric current respectively by Signal separator, then pass through
It crosses low-pass filter to be filtered, analog-to-digital conversion is carried out to filtered data, obtains blood oxygen saturation data.
As the preferred embodiment of hyperbaric oxygen chamber vital sign monitoring method, sensor is monitored by AD8232 cardiac electrophysiology and is adopted
Electrocardiogram (ECG) data is acquired with three electrode chest detection methods.
The embodiment of the present invention also provides a kind of hyperbaric oxygen chamber life sign monitor system, including terminal device, integration collection
At chip, infrared integrated temperature sensor, pulse transducer, blood oxygen saturation acquisition front end, cardiac electrophysiology monitoring sensor and
Warning device；
The terminal device is monitored the sign information index of user for obtaining in real time, and the sign information index includes
Position detection data, attitude detection data, temperature check data, blood-pressure measurement data, blood oxygen saturation data and electrocardiogram (ECG) data；
The integrated chip includes three axis MEMS gyro and 3 axis MEMS accelerometer, integrated chip
For being acquired to position detection data；The 3 axis MEMS accelerometer is used for position detection data and attitude detection number
According to being acquired；
The infrared integrated temperature sensor is for being acquired temperature check data；
The pulse transducer is used to change by infrared detection finger fingertip blood volume, and output becomes with finger tip blood volume
Change the pulse wave signal of voltage form in a linear relationship；
Blood oxygen saturation acquisition front end includes LED light source, optical sensor, photoreceiver, preamplifier, signal
Separator, phase-sensitive detector and low-pass filter, the LED light source irradiates feux rouges and infrared light to the optical sensor, described
Optical sensor connects the photoreceiver, and the photoreceiver connects the preamplifier, and the preamplifier connects
The demultiplexer is connect, the demultiplexer connects the phase-sensitive detector, and the phase-sensitive detector connects the low pass
Filter；
The cardiac electrophysiology monitoring sensor is for being acquired electrocardiogram (ECG) data；
The warning device is used to alarm when sign information index exceeds threshold value of warning.
As the preferred embodiment of hyperbaric oxygen chamber life sign monitor system, the integrated chip includes control unit
With pulse output interface, control unit passes through iic bus agreement and the three axis MEMS gyro and 3 axis MEMS accelerometer
It is communicated, the integrated chip is connect by pulse output interface with pedometer.
As the preferred embodiment of hyperbaric oxygen chamber life sign monitor system, the infrared integrated temperature sensor includes
The digital conditioning module of DS18B20；The cardiac electrophysiology monitoring sensor uses AD8232.
The beneficial effects of the present invention are: using the integrated flexible intelligent sign Index monitoring sensor of miniature multi-source to human body
Major physiological characteristic index carry out real-time monitoring, while monitoring signals are real-time transmitted to intelligent end by wireless communication technique
End, realizes the purpose of remote real time monitoring.When a certain item or several indexs occur abnormal, automatic trigger intelligent alarm dress
It sets, user is reminded to make corresponding reaction and measure, can accurately obtain people in the case where not influencing patient's rest and noninvasive situation
Body all data index, and by feedback and adaptively, intelligent cabin environment is provided for patient, and also to realize disease
The timely treatment of people, the active state of an illness monitor, provide more comprehensively data, reduction hyperbaric oxygen chamber for doctor's assessment patient's state of an illness
Open frequency.
Detailed description of the invention
Fig. 1 is hyperbaric oxygen chamber vital sign monitoring method flow chart provided in an embodiment of the present invention；
Fig. 2 is hyperbaric oxygen chamber life sign monitor system schematic diagram provided in an embodiment of the present invention；
Fig. 3 is integrated chip circuit schematic diagram provided in an embodiment of the present invention；
Fig. 4 is infrared integrated temperature sensor circuit diagram provided in an embodiment of the present invention；
Fig. 5 is pulse transducer circuit diagram provided in an embodiment of the present invention；
Fig. 6 is that blood oxygen saturation provided in an embodiment of the present invention acquires front-end circuit schematic diagram；
Fig. 7 is that cardiac electrophysiology provided in an embodiment of the present invention monitors sensor circuit schematic diagram.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, a kind of hyperbaric oxygen chamber vital sign monitoring method is provided, comprising the following steps:
S1: predeterminated position threshold value of warning, posture threshold value of warning, body temperature threshold value of warning, blood pressure threshold value of warning, blood oxygen saturation
Threshold value of warning and electrocardio threshold value of warning；
S2: obtaining the sign information index of monitored user by terminal device in real time, and the sign information index includes
Position detection data, attitude detection data, temperature check data, blood-pressure measurement data, blood oxygen saturation data and electrocardiogram (ECG) data；
S3: the position detection data are compared with the position threshold value of warning；By the attitude detection data with
The posture threshold value of warning is compared；The temperature check data are compared with the body temperature threshold value of warning；It will be described
Blood-pressure measurement data is compared with the blood pressure threshold value of warning；The blood oxygen saturation data and the blood oxygen saturation is pre-
Alert threshold value is compared；The electrocardiogram (ECG) data is compared with the electrocardio threshold value of warning；
S4: default sign information forewarning index reference value, when quantity of the sign information index beyond threshold value of warning is big
It alarms when being equal to the early warning reference value, the environmental index of hyperbaric oxygen chamber is adjusted according to the sign information index
Section.
Referring to Fig. 3, in one embodiment of hyperbaric oxygen chamber vital sign monitoring method, pass through three axis MEMS gyro and three
The integrated chip of axis mems accelerometer is acquired the position detection data and attitude detection data, and described one
Body integrated chip includes control unit and pulse output interface, and control unit passes through iic bus agreement and the 3 axis MEMS
Gyroscope and 3 axis MEMS accelerometer are communicated, and the integrated chip is connected by pulse output interface and pedometer
It connects.
Specifically, the embodiment of the present invention is by detection, human body is static, athletic posture, completes accurate position to patient and examines
It surveys, attitude detection, to complete operation unlatching/closing to equipment, equipment operating rate carries out auxiliary adjustment.Implementation is
The integrated chip of three axis MEMS gyro and 3 axis MEMS accelerometer, control unit can pass through iic bus agreement
It is communicated and is obtained relevant data and the processing that performs an analysis, because angular speed can reflect the circular motion state of object, accelerated
Degree can reflect the static and linear motion state of object, the gait motion state of the mutual complementary energy identification people's walking of the two.It can be to disease
The real-time status of people is accurately detected, and colleague is also possible to prevent patient and sudden injury occurs and is given treatment in time.
In one embodiment of hyperbaric oxygen chamber vital sign monitoring method, by infrared integrated temperature sensor to the body
Temperature detector measured data is acquired, and the infrared integrated temperature sensor includes the digital conditioning module of DS18B20.Pass through several
Infrared integrated temperature sensor array acquisition temperature check data form temperature data group, and calculate the temperature data group
Art average calculating operation obtains temperature check data, and temperature check data combination least square method data fitting algorithms are fitted.Tool
Body, infrared integrated temperature sensor is used to complete the wireless measurement of patient temperature, then feeds back to data system, passes through multiple spot
Temperature measurement, complete the closed-loop control of hyperbaric oxygen chamber.Compared with traditional temperature sensor, infrared integrated temperature sensor tool
There is the advantages that peripheral circuit is simple, not high to power requirement.And it is digital signal that control, which is output and input, resolution ratio is very high.
Simultaneously temperature sensor select the digital conditioning module of DS18B20, output be digital signal, have it is small in size, hardware is opened
Sell low, strong antijamming capability, feature with high accuracy.Or four infrared integrated temperature sensor array acquisition temperature number is utilized simultaneously
Arithmetic average operation is carried out according to and to this group of data, in conjunction with least square method data fitting algorithms, improves measurement of bldy temperature precision.
In one embodiment of hyperbaric oxygen chamber vital sign monitoring method, the pulse transducer based on photoplethymograph passes through
The variation of infrared detection finger fingertip blood volume, output change the pulse wave of voltage form in a linear relationship with finger tip blood volume
Signal.Specifically, electrocardiosignal and pulse signal are based on, by EGC sensor and pulse using no mechanics interference measurement mode
The blood pressure measuring device prototype of sensor integration, can simultaneously subsidiary body temperature；Blood pressure measurement is indirectly square using noninvasive oversleeve
Formula detects blood pressure parameter, and testing principle selects vibratory drilling method, and measurement can detect systolic pressure (SP), mean pressure (MP), diastole simultaneously
(DP) 3 blood markers are pressed, measurement range is 0~250mmHg (0~33.33kPa), passes through infrared detection finger fingertip
The variation of blood volume, output change the pulse wave signal of voltage form in a linear relationship with finger tip blood volume.Using based on photoelectricity
Volumetric method detects the Pulse Sensor sensor of pulse signal, can be used for the photo-electric reflection type simulation of pulse heart rate measurement,
Small volume can be worn on ear-lobe or finger.It is smaller on patient's influence, while the test of blood pressure and pulse can be completed.
In one embodiment of hyperbaric oxygen chamber vital sign monitoring method, it includes two LED that blood oxygen saturation, which acquires front end,
Light source and an optical sensor, two LED light sources issue feux rouges and infrared light respectively, and acquisition front end obtains feux rouges and infrared light
Photo-signal is amplified through preamplifier, obtains independent two-way photoelectric current respectively by Signal separator, then pass through
It crosses low-pass filter to be filtered, analog-to-digital conversion is carried out to filtered data, obtains blood oxygen saturation data.
In one embodiment of hyperbaric oxygen chamber vital sign monitoring method, sensor is monitored by AD8232 cardiac electrophysiology and is adopted
Electrocardiogram (ECG) data is acquired with three electrode chest detection methods.Specifically, due to the electrocardiosignal of human body have faint, low frequency,
The features such as vulnerable to interfering, being unstable, random, so needing to amplify without distortion in electrocardiosignal frequency range collected micro-
Weak electrocardiosignal, by using three electrode chest detection methods, selecting has high input impedance, low noise, low drifting precision instrument
Table amplifier AD620 is shared as first order ecg amplifier and breathing detection circuit, and electrocardiosignal is by amplifying again, filtering
After processing, it is sent into main control module A/D mouthfuls all the way, is shown for ecg wave form.EGC sensor is the monitoring of AD8232 cardiac electrophysiology
Sensor selects this kind of sensor as the acquisition of electrocardiosignal for acquiring electrocardiosignal and other biological electric signal
When module is primarily due to acquire electrocardiogram (ECG) data in experiment, since each subject is it is possible that different degrees of shaking
Even walking movement the case where, and also can be inevitably doped by the interference electrocardiosignal of surrounding magnetic field
Noise, AD8232 cardiac electrophysiology has monitored built in sensor filter can carry out preliminary processing to these noises.
Referring to fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the embodiment of the present invention also provide a kind of hyperbaric oxygen chamber vital sign prison
Examining system, including terminal device 1, integrated chip 2, infrared integrated temperature sensor 3, pulse transducer 4, blood oxygen saturation
Degree acquisition front end 5, cardiac electrophysiology monitoring sensor 6 and warning device 7.The terminal device 1 for obtaining monitored use in real time
The sign information index at family, the sign information index include position detection data, attitude detection data, temperature check data,
Blood-pressure measurement data, blood oxygen saturation data and electrocardiogram (ECG) data.The integrated chip 2 includes three axis MEMS gyro
201 and 3 axis MEMS accelerometer 202, integrated chip 2 is for being acquired position detection data；Three axis
Mems accelerometer 202 is for being acquired position detection data and attitude detection data.The infrared integrated temperature sensing
Device 3 is for being acquired temperature check data.The pulse transducer 4 is used to pass through infrared detection finger fingertip blood volume
Variation, output change the pulse wave signal of voltage form in a linear relationship with finger tip blood volume.The blood oxygen saturation acquisition
Front end 5 includes LED light source 501, optical sensor 502, photoreceiver 503, preamplifier 504, demultiplexer 505, phase
Quick wave detector 506 and low-pass filter 507, the LED light source 501 irradiate feux rouges and infrared light, institute to the optical sensor 502
It states optical sensor 502 and connects the photoreceiver 503, the photoreceiver 503 connects the preamplifier 504, institute
It states preamplifier 504 and connects the demultiplexer 505, the demultiplexer 505 connects the phase-sensitive detector 506,
The phase-sensitive detector 506 connects the low-pass filter 507.The cardiac electrophysiology monitoring sensor 6 is used for electrocardiogram (ECG) data
It is acquired.The warning device 7 is used to alarm when sign information index exceeds threshold value of warning.
In one embodiment of hyperbaric oxygen chamber life sign monitor system, the integrated chip 2 includes that control is single
Member 203 and pulse output interface 204, control unit 203 pass through iic bus agreement and the three axis MEMS gyro 201 and three
Axis mems accelerometer 202 is communicated, and the integrated chip 2 is connected by pulse output interface 204 and pedometer 8
It connects.Control unit 203 can be communicated and be obtained relevant data by iic bus agreement and the processing that performs an analysis, because of angle
Speed can reflect the circular motion state of object, and accelerated energy reflects the static of object and linear motion state, the mutual complementary energy of the two
Identify the gait motion state of people's walking.Can the real-time status to patient accurately detected, colleague be also possible to prevent patient
Sudden injury occurs and is given treatment in time.Infrared integrated temperature sensor 3 is used to complete the wireless measurement of patient temperature, so
After feed back to data system, measured by the temperature of multiple spot, complete the closed-loop control of hyperbaric oxygen chamber.With traditional temperature sensor
It compares, infrared integrated temperature sensor 3 has many advantages, such as that peripheral circuit is simple, not high to power requirement.And control input and it is defeated
It is out digital signal, resolution ratio is very high.
In one embodiment of hyperbaric oxygen chamber life sign monitor system, the pulse transducer based on photoplethymograph passes through
The variation of infrared detection finger fingertip blood volume, output change the pulse wave of voltage form in a linear relationship with finger tip blood volume
Signal.Using no mechanics interference measurement mode, it is based on electrocardiosignal and pulse signal, by EGC sensor and pulse transducer 4
Integrated blood pressure measuring device prototype, can simultaneously subsidiary body temperature；Blood pressure measurement is detected using noninvasive oversleeve indirect mode
Blood pressure parameter, testing principle select vibratory drilling method, and measurement can detect systolic pressure (SP), mean pressure (MP), diastolic pressure (DP) 3 simultaneously
A blood markers, measurement range are 0~250mmHg (0~33.33kPa), are become by infrared detection finger fingertip blood volume
Change, output changes the pulse wave signal of voltage form in a linear relationship with finger tip blood volume.Using based on photoplethymograph come
The Pulse Sensor sensor for detecting pulse signal, the photo-electric reflection type that can be used for pulse heart rate measurement are simulated, small volume,
It can be worn on ear-lobe or finger.It is smaller on patient's influence, while the test of blood pressure and pulse can be completed.
In one embodiment of hyperbaric oxygen chamber life sign monitor system, the infrared integrated temperature sensor 3 includes
The digital conditioning module of DS18B20.Temperature sensor selects the digital conditioning module of DS18B20, and output is digital signal,
With small in size, hardware spending is low, strong antijamming capability, feature with high accuracy.Or it is passed simultaneously using four infrared integrated temperature
3 array acquisition temperature data of sensor simultaneously carries out arithmetic average operation to this group of data, in conjunction with least square method data fitting algorithms,
Improve measurement of bldy temperature precision.
In one embodiment of hyperbaric oxygen chamber life sign monitor system, the cardiac electrophysiology monitoring sensor 6 is used
AD8232 selects this kind of sensor as the acquisition of electrocardiosignal for acquiring electrocardiosignal and other biological electric signal
When module is primarily due to acquire electrocardiogram (ECG) data in experiment, since each subject is it is possible that different degrees of shaking
Even walking movement the case where, and also can be inevitably doped by the interference electrocardiosignal of surrounding magnetic field
Noise, AD8232 cardiac electrophysiology has monitored built in sensor 6 filter can carry out preliminary processing to these noises.
The present invention is special to the major physiological of human body using the integrated flexible intelligent sign Index monitoring sensor of miniature multi-source
It levies index and carries out real-time monitoring, while monitoring signals are real-time transmitted to intelligent terminal by wireless communication technique, realize long-range
The purpose of real-time monitoring.When a certain item or several indexs occur abnormal, automatic trigger intelligent alarm device 7 reminds user
Corresponding reaction and measure are made, it can be accurate to obtain human body all data in the case where not influencing patient's rest and noninvasive situation
Index, and by feedback and adaptively, intelligent cabin environment is provided for patient, and also to realize rescuing in time for patient
It controls, the monitoring of the active state of an illness, assess for doctor the open frequency that patient's state of an illness provides more comprehensively data, reduces hyperbaric oxygen chamber
Rate.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of hyperbaric oxygen chamber vital sign monitoring method, which comprises the following steps:
Predeterminated position threshold value of warning, posture threshold value of warning, body temperature threshold value of warning, blood pressure threshold value of warning, blood oxygen saturation early warning threshold
Value and electrocardio threshold value of warning；
Obtain the sign information index of monitored user in real time by terminal device, the sign information index includes position detection
Data, attitude detection data, temperature check data, blood-pressure measurement data, blood oxygen saturation data and electrocardiogram (ECG) data；
The position detection data are compared with the position threshold value of warning；By the attitude detection data and the posture
Threshold value of warning is compared；The temperature check data are compared with the body temperature threshold value of warning；By the blood pressure measurement
Data are compared with the blood pressure threshold value of warning；By the blood oxygen saturation data and the blood oxygen saturation threshold value of warning into
Row compares；The electrocardiogram (ECG) data is compared with the electrocardio threshold value of warning；
Default sign information forewarning index reference value, when the sign information index is more than or equal to institute beyond the quantity of threshold value of warning
It alarms when stating early warning reference value, the environmental index of hyperbaric oxygen chamber is adjusted according to the sign information index.
2. a kind of hyperbaric oxygen chamber vital sign monitoring method according to claim 1, which is characterized in that pass through 3 axis MEMS
The integrated chip of gyroscope and 3 axis MEMS accelerometer carries out the position detection data and attitude detection data
Acquisition, the integrated chip include control unit and pulse output interface, and control unit passes through iic bus agreement and institute
It states three axis MEMS gyro and 3 axis MEMS accelerometer is communicated, the integrated chip passes through pulse output interface
It is connect with pedometer.
3. a kind of hyperbaric oxygen chamber vital sign monitoring method according to claim 1, which is characterized in that by infrared integrated
Temperature sensor is acquired the temperature check data, and the infrared integrated temperature sensor includes DS18B20 digital
Conditioning module.
4. a kind of hyperbaric oxygen chamber vital sign monitoring method according to claim 3, which is characterized in that red by several
Outer integrated temperature sensor array acquisition temperature check data form temperature data group, and carry out arithmetic to the temperature data group
Average calculating operation obtains temperature check data, and temperature check data combination least square method data fitting algorithms are fitted.
5. a kind of hyperbaric oxygen chamber vital sign monitoring method according to claim 1, which is characterized in that be based on photoelectricity volume
The pulse transducer of method is changed by infrared detection finger fingertip blood volume, and output changes in a linear relationship with finger tip blood volume
Voltage form pulse wave signal.
6. a kind of hyperbaric oxygen chamber vital sign monitoring method according to claim 1, which is characterized in that blood oxygen saturation is adopted
Collecting front end includes two LED light sources and an optical sensor, and two LED light sources issue feux rouges and infrared light respectively, acquires front end
The photo-signal for obtaining feux rouges and infrared light is amplified through preamplifier, obtains independence respectively by Signal separator
Two-way photoelectric current, be filtered using low-pass filter, to filtered data carry out analog-to-digital conversion, obtain blood oxygen saturation
Degree evidence.
7. a kind of hyperbaric oxygen chamber vital sign monitoring method according to claim 1, which is characterized in that pass through the AD8232 heart
Electrophysiologic monitoring sensor is acquired electrocardiogram (ECG) data using three electrode chest detection methods.
8. a kind of hyperbaric oxygen chamber life sign monitor system, which is characterized in that including terminal device, integrated chip, red
Outer integrated temperature sensor, pulse transducer, blood oxygen saturation acquisition front end, cardiac electrophysiology monitoring sensor and warning device；
For the terminal device for obtaining the sign information index of monitored user in real time, the sign information index includes position
Detection data, attitude detection data, temperature check data, blood-pressure measurement data, blood oxygen saturation data and electrocardiogram (ECG) data；
The integrated chip includes three axis MEMS gyro and 3 axis MEMS accelerometer, and integrated chip is used for
Position detection data is acquired；The 3 axis MEMS accelerometer be used for position detection data and attitude detection data into
Row acquisition；
The infrared integrated temperature sensor is for being acquired temperature check data；
The pulse transducer is used to change by infrared detection finger fingertip blood volume, and output is in the variation of finger tip blood volume
The pulse wave signal of the voltage form of linear relationship；
Blood oxygen saturation acquisition front end includes LED light source, optical sensor, photoreceiver, preamplifier, Signal separator
Device, phase-sensitive detector and low-pass filter, the LED light source irradiate feux rouges and infrared light to the optical sensor, and the light passes
Sensor connects the photoreceiver, and the photoreceiver connects the preamplifier, and the preamplifier connects institute
Demultiplexer is stated, the demultiplexer connects the phase-sensitive detector, and the phase-sensitive detector connects the low-pass filtering
Device；
The cardiac electrophysiology monitoring sensor is for being acquired electrocardiogram (ECG) data；
The warning device is used to alarm when sign information index exceeds threshold value of warning.
9. a kind of hyperbaric oxygen chamber life sign monitor system according to claim 8, which is characterized in that the integration collection
It include control unit and pulse output interface at chip, control unit passes through iic bus agreement and the three axis MEMS gyro
It is communicated with 3 axis MEMS accelerometer, the integrated chip is connect by pulse output interface with pedometer.
10. a kind of hyperbaric oxygen chamber life sign monitor system according to claim 8, which is characterized in that the infrared collection
It include the digital conditioning module of DS18B20 at temperature sensor；The cardiac electrophysiology monitoring sensor uses AD8232.
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