CN106388820A - Device for detecting obstructive respiration disorder and test method of device - Google Patents
Device for detecting obstructive respiration disorder and test method of device Download PDFInfo
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- CN106388820A CN106388820A CN201610451283.0A CN201610451283A CN106388820A CN 106388820 A CN106388820 A CN 106388820A CN 201610451283 A CN201610451283 A CN 201610451283A CN 106388820 A CN106388820 A CN 106388820A
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- analog signal
- chest
- signal
- skin resistance
- human body
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/0826—Detecting or evaluating apnoea events
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0531—Measuring skin impedance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4818—Sleep apnoea
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
Abstract
The invention discloses a device for detecting obstructive respiration disorder. The device comprises an acceleration sensor, an analog signal pre-processing circuit, an A/D converter, a skin resistance sensor and a single chip, wherein the analog signal pre-processing circuit comprises an analog signal amplifying circuit and an analog signal filter circuit; the acceleration sensor is used for acquiring a respiratory movement analog signal of a human body chest/abdomen part under a sleep status; the skin resistance sensor is used for acquiring a skin resistance signal of the chest/abdomen part; the A/D converter is used for converting the respiratory movement analog signal, which is processed by virtue of the analog signal pre-processing circuit, into a digital signal; the single chip is used for conducting obstructive respiration disorder judgment in accordance with the skin resistance signal and the digital signal; and the single chip is connected to the A/D converter and the skin resistance sensor. The invention also discloses a testing method based on the device for detecting the obstructive respiration disorder. According to the device and the testing method provided by the invention, under the precondition of guaranteeing detection accuracy, cost is also reduced.
Description
Technical field
The invention belongs to sleep breath monitoring technical field, more particularly, to a kind of dress for detecting obstructive respiration obstacle
Put and its method of testing.
Background technology
Sleep-respiratory state includes ortho breathing state and sleep disordered breathing.And typically common sleep disordered breathing
State has snoring, apnea etc..Wherein sleep apnea breathes the sleep-disorder of stopping in referring to sleep.Sleep-respiratory is temporary
Stop mainly dividing three types：Obstructive sleep apnea, is soft tissue relaxation near throat in sleep and causes to exhale
Inhale road narrow or even block thus apnea；Centric sleep apnea, be and the central nervous system work(controlling breathing
Can lack of proper care relevant, the nervous centralis being temporarily lost with respiratory function drives, and this respiratory disorder is not that airway obstruction causes；And
The two mixed type.According to statistics, the number breathing sleep-disorder is had to account for the 2%-4% of total population.And this numeral has bright
The aobvious trend rising.By a variety of causes lead to recurrent apnea in sleep, low pass gas, hypercapnia, in sleep
Disconnected, so that body occurs a series of clinical syndrome of pathophysiological changes to be referred to as Sleep Apnea-hypopnea Syndrome
Sleep Apnea Hypopnea Syndrome, SAHS.And for the rational diagnosis and treatment as early as possible of above-mentioned sleep disordered breathing, can carry
The quality of life of high patient prevents the generation of various complications, thus improving the survival rate of patient.
At present, conventional method is the motion of chest and the motion of belly during detection breathing simultaneously, both during eupnea
Motion is consistent, and when there is obstructive respiration obstacle, both direction of motion is inconsistent.Conventional method adopts two-way volume resistance
Method or two-way breathing zone method are measuring.As shown in figure 3, waveform phase is identical during eupnea, obstructive respiration
During obstacle, waveform phase is contrary.But the method using two-way breathing zone, user has tight feeling in respiratory, wears not
Comfortable；Although the two-way volume resistance method proposing later for comfortableness wears convenient and accuracy is high, application is complicated, one-tenth
This height.
Content of the invention
In view of this, it is an object of the invention to provide a kind of detection means for sleep-respiratory, ensureing detection essence
On the premise of degree, also reduce cost；Additionally provide the method for testing of the device based on this detection obstructive respiration obstacle simultaneously.
For reaching above-mentioned purpose, the present invention provides following technical scheme：
A kind of device for detecting obstructive respiration obstacle, including acceleration transducer, analog signal pre-process circuit,
A/D converter, Skin resistance sensor and single-chip microcomputer, described analog signal pretreatment circuit include amplifying circuit of analog signal and
Analog signal filter circuit；Described acceleration transducer is used for gathering the respiratory movement mould of the human body chest/belly under sleep state
Intend signal, described analog signal pretreatment circuit is used for described respiratory movement analog signal is amplified and filtering process, institute
State Skin resistance sensor and be used for gathering dermatopolyneuritis signal, described A/D converter is used for pre-process electricity through analog signal
The respiratory movement analog signal that road is processed is converted into data signal, and described single-chip microcomputer is used for according to dermatopolyneuritis signal and numeral letter
Number carry out obstructive respiration obstacle judgement, described single-chip microcomputer connects A/D converter and Skin resistance sensor.
More preferably：Described acceleration transducer is 3-axis acceleration sensor.
More preferably：Described Skin resistance sensor is two metal electrodes contacting with human body, and its effect is
Measurement Skin Resistance.
More preferably：Also include for the button of external information and external control instruction input with for output monitoring
The display screen of result, described button and display screen all with monolithic mechatronics.
More preferably：Also include the carrier for fixing acceleration transducer.
More preferably：Described carrier be for acceleration transducer is attached to the binding agent of human body chest/belly or
For described acceleration transducer being fixed on elastic bands or the adhesive tape of human body chest/belly.
A kind of method of testing of the device based on detection obstructive respiration obstacle, comprises the steps：
(1) the collection respiratory movement analog signal of chest/belly of human body and the dermatopolyneuritis signal of abdomen/chest；
(2) by A/D converter, data signal is converted into the respiratory movement analog signal of chest/belly；
(3) sleeping according to the relation pair human body between the data signal in step (2) and the dermatopolyneuritis signal of abdomen/chest
Dormancy breath state is judged.
The beneficial effects of the present invention is：
(1) 3-axis acceleration sensor adopting, not only sensitivity is good, and small volume, can easily be fixed on
Chest/the belly of human body, can the accurate measurements motion process that breathes brief acceleration to user, and user will not be made
Become impact.
(2) analysis of blind source is carried out by setting ICA algorithm on single-chip microcomputer, can easily extract acceleration transducer
Respiratory movement ripple during custodial person's sleep of output, in combination with the respiratory wave of Skin resistance sensor output, and by aobvious
Display screen clearly shows that the respiratory movement ripple of acceleration transducer and the respiratory wave of Skin resistance sensor, can be very convenient
Find out the situation of this two-way respiratory waveform, whether the vital signs being analyzed and diagnosing custodial person for doctor is normal, so that
Take necessary remedy measures in time, thus ensureing the health status of custodial person；
Brief description
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below to carry out
Explanation：
Fig. 1 is used for for the present invention detecting the structural representation of the device of obstructive respiration obstacle；
Fig. 2 is used for detecting test chart on human body for the device of obstructive respiration obstacle for the present invention；
Fig. 3 is oscillogram when chest and belly run when eupnea and obstructive respiration obstacle；
Fig. 4 is used for for the present invention detecting the fundamental diagram of the device of obstructive respiration obstacle.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in figure 1, a kind of device for detecting obstructive respiration obstacle, including acceleration transducer, analog signal
Pretreatment circuit, A/D converter, Skin resistance sensor and single-chip microcomputer, described analog signal pretreatment circuit includes simulation letter
Number amplifying circuit and analog signal filter circuit；Described acceleration transducer is used for gathering the human body chest/belly under sleep state
Respiratory movement analog signal, described analog signal pretreatment circuit be used for described respiratory movement analog signal is amplified and
Filtering process, described Skin resistance sensor is used for gathering dermatopolyneuritis signal, and described A/D converter is used for will be through simulation letter
Number pretreatment processing of circuit respiratory movement analog signal be converted into data signal, described single-chip microcomputer be used for according to dermatopolyneuritis believe
Number and data signal carry out obstructive respiration obstacle judgement, described single-chip microcomputer connects A/D converter and Skin resistance sensor.
Wherein, acceleration transducer is single shaft or multi-axial sensor, specially 3-axis acceleration sensor.
Skin resistance sensor is two metal electrodes contacting with human body, and its effect is measurement Skin Resistance.
Also include the display screen for the button of external information and external control instruction input with for exporting monitoring result,
Described button and display screen all with monolithic mechatronics.
Also include the carrier for fixing acceleration transducer, when specifically used, carrier is for by acceleration transducer
It is attached to the binding agent of human chest/belly or the bandage for described acceleration transducer being fixed on human chest/belly
Or adhesive tape, described bandage is elastic bands, wears conveniently.
This is used for detecting the method for testing of the device to test sleep quality breath state of obstructive respiration obstacle：
(1) the collection respiratory movement analog signal of chest/belly of human body and the dermatopolyneuritis signal of abdomen/chest；
(2) by A/D converter, data signal is converted into the respiratory movement analog signal of chest/belly；
(3) sleeping according to the relation pair human body between the data signal in step (2) and the dermatopolyneuritis signal of abdomen/chest
Dormancy breath state is judged.
The application describes the use principle of this detection means taking single-axis sensors as a example：
As shown in Fig. 2 the body surface motor message containing respiration information of the human body under collection sleep state：Acceleration is passed
Sensor is directly attached to chest/belly or is fixed on chest/belly with bandage, using chest/abdomen during acceleration transducer sensing breathing
The change of acceleration in portion's motion process, obtains respiratory movement analog signal, and this respiratory movement analog signal is clear through display screen
Show respiratory movement waveform, for the monitoring of sleep-respiratory.
A pair of electrodes of Skin resistance sensor is fixed on the abdomen/chest of human body, using Skin resistance sensor sensing
The change in respiratory middle impedance of abdomen/chest during breathing, obtains dermatopolyneuritis signal, this dermatopolyneuritis signal is through display screen
Clearly show that respiratory waveform, sense the reference value of gained respiratory movement waveform for acceleration transducer.
In this acquisition mode, using acceleration transducer sensing be chest/belly tested measuring point acceleration of motion,
During human body air-breathing, human abdomen is moved upwards by minimum point, front half section be acceleration upwards and gradually decrease to 0 acceleration fortune
Dynamic, the second half section is the downward retarded motion of acceleration, and when the speed moved upwards is kept to 0, the displacement moved upwards is maximum, inhales
Gas process completes；During human exhaled breath, human abdomen is moved downward by peak, and front half section is acceleration downwards and is gradually reduced to
Zero accelerated motion, the second half section is acceleration running slowly upwards, when downward speed is kept to 0, the displacement moving downward
Maximum, exhalation process terminates.
Because breathing has periodically under normal circumstances, therefore corresponding accelerating curve is also rendered as cyclically-varying
Curve, it can be considered that being changed into reverse or positive maximum from maximum forward or backwards on curve, by reverse or positive maximum
It is changed into being a respiratory cycle forward or backwards to the maximum.
Described analog signal pretreatment circuit includes amplifying circuit of analog signal and analog signal filter circuit, due to simulation
Signal pre-processing circuit small volume, low in energy consumption, using acceleration transducer and analog signal pretreatment circuit, A/D converter and
Single-chip microcomputer is together located in described carrier, to save installing space, to reduce the overall volume of equipment.
Described single-chip microcomputer is included at the analysis for analyzing, processing described respiratory movement analog signal and dermatopolyneuritis signal
Reason module.
As shown in figure 4, during specific use, the respiratory movement analog signal warp of described acceleration transducer output
Cross that analog signal pretreatment circuit is amplified to respiratory movement analog signal, input a/d converter carries out mould after filtering process
Then data signal through analog-to-digital conversion is uploaded to the analysis and processing module of single-chip microcomputer, by analysis and processing module by number conversion
In ICA algorithm carry out the analysis of blind source, can easily extract acceleration transducer sensing breathing when chest/abdominal exercise process
In the respiratory movement analog signal that obtained due to acceleration change and Skin resistance sensor sensing dermatopolyneuritis signal,
And respiratory movement waveform and respiratory waveform are clearly showed that by display screen, can be accurately detected using acceleration transducer
To small acceleration change, good output waveform, the process of breathing can be accurately measured.
Single-chip microcomputer is mainly used in receiving the data of Skin resistance sensor and acceleration transducer collection, and data is carried out
Process, and respiratory movement waveform and respiratory waveform etc. are shown by display screen, when the respiratory movement ripple of acceleration transducer test
When shape is consistent with the respiratory waveform that Skin resistance sensor is tested, illustrate that breathing is normal；When inconsistent, illustrate that breathing creates barrier
Hinder；In the present invention, the fortune that the respiratory movement analog signal that acceleration transducer collects is formed is clearly showed that by display screen
The respiratory waveform that the dermatopolyneuritis signal that dynamic respiratory waveform and volume resistance sensor collect is formed, the physiologic information to user
It is monitored, whether the vital signs being analyzed and diagnosing custodial person for doctor is normal, to take necessary controlling in time
Treatment measure, thus ensure the health status of custodial person；This single-chip microcomputer can also carry out the storage of data simultaneously, is some diseases
Diagnosis extend efficient help.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted, although logical
Cross above preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be
In form and various changes are made to it, without departing from claims of the present invention limited range in details.
Claims (7)
1. a kind of device for detecting obstructive respiration obstacle is it is characterised in that inclusion acceleration transducer, analog signal are pre-
Process circuit, A/D converter, Skin resistance sensor and single-chip microcomputer, described analog signal pretreatment circuit includes analog signal
Amplifying circuit and analog signal filter circuit；Described acceleration transducer is used for gathering the human body chest/belly under sleep state
Respiratory movement analog signal, described analog signal pretreatment circuit is used for described respiratory movement analog signal being amplified and filtering
Ripple is processed, and described Skin resistance sensor is used for gathering dermatopolyneuritis signal, and described A/D converter is used for will be through analog signal
The respiratory movement analog signal of pretreatment processing of circuit is converted into data signal, and described single-chip microcomputer is used for according to dermatopolyneuritis signal
Carry out obstructive respiration obstacle judgement with data signal, described single-chip microcomputer connects A/D converter and Skin resistance sensor.
2. the device for detecting obstructive respiration obstacle according to claim 1 it is characterised in that：Described acceleration passes
Sensor is 3-axis acceleration sensor.
3. the device for detecting obstructive respiration obstacle according to claim 1 it is characterised in that：Described dermatopolyneuritis
Sensor is two metal electrodes that contact with human body, and its effect is measurement Skin Resistance.
4. the device for detecting obstructive respiration obstacle according to claim 1 it is characterised in that：Also include for outer
The button of portion's information and external control instruction input and for exporting the display screen of monitoring result, described button and display screen all with
Monolithic mechatronics.
5. the device for detecting obstructive respiration obstacle according to claim 1 it is characterised in that：Also include for solid
Determine the carrier of acceleration transducer.
6. the device for detecting obstructive respiration obstacle according to claim 5 it is characterised in that：Described carrier is use
In the binding agent that acceleration transducer is attached to human body chest/belly or be used for for described acceleration transducer being fixed on human body
The elastic bands of chest/belly or adhesive tape.
7. a kind of based on detection obstructive respiration obstacle device method of testing it is characterised in that：Comprise the steps：
(1) the collection respiratory movement analog signal of chest/belly of human body and the dermatopolyneuritis signal of abdomen/chest；
(2) by A/D converter, data signal is converted into the respiratory movement analog signal of chest/belly；
(3) exhaled according to the sleep of the relation pair human body between the data signal in step (2) and the dermatopolyneuritis signal of abdomen/chest
Suction situation is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451283.0A CN106388820A (en) | 2016-06-21 | 2016-06-21 | Device for detecting obstructive respiration disorder and test method of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451283.0A CN106388820A (en) | 2016-06-21 | 2016-06-21 | Device for detecting obstructive respiration disorder and test method of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106388820A true CN106388820A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610451283.0A Pending CN106388820A (en) | 2016-06-21 | 2016-06-21 | Device for detecting obstructive respiration disorder and test method of device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110151182A (en) * | 2019-04-04 | 2019-08-23 | 深圳创达云睿智能科技有限公司 | A kind of apnea kind identification method and equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103070683A (en) * | 2012-12-20 | 2013-05-01 | 中山大学 | Sleep breathing mode identification method and device based on bioelectrical impedance |
| CN103908241A (en) * | 2012-12-31 | 2014-07-09 | 中国移动通信集团公司 | Method and device for sleep and breathing detection |
| CN104257353A (en) * | 2014-10-22 | 2015-01-07 | 南京邮电大学 | Sleep apnea syndrome detecting system |
| CN205814324U (en) * | 2016-06-21 | 2016-12-21 | 上海用为医疗科技有限公司 | For detecting the device of obstructive respiration obstacle |
-
2016
- 2016-06-21 CN CN201610451283.0A patent/CN106388820A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103070683A (en) * | 2012-12-20 | 2013-05-01 | 中山大学 | Sleep breathing mode identification method and device based on bioelectrical impedance |
| CN103908241A (en) * | 2012-12-31 | 2014-07-09 | 中国移动通信集团公司 | Method and device for sleep and breathing detection |
| CN104257353A (en) * | 2014-10-22 | 2015-01-07 | 南京邮电大学 | Sleep apnea syndrome detecting system |
| CN205814324U (en) * | 2016-06-21 | 2016-12-21 | 上海用为医疗科技有限公司 | For detecting the device of obstructive respiration obstacle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110151182A (en) * | 2019-04-04 | 2019-08-23 | 深圳创达云睿智能科技有限公司 | A kind of apnea kind identification method and equipment |
| CN110151182B (en) * | 2019-04-04 | 2022-04-19 | 深圳创达云睿智能科技有限公司 | Apnea type identification method and device |
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