CN203029599U - Obstructive sleep apnea therapeutic apparatus - Google Patents
Obstructive sleep apnea therapeutic apparatus Download PDFInfo
- Publication number
- CN203029599U CN203029599U CN 201320014419 CN201320014419U CN203029599U CN 203029599 U CN203029599 U CN 203029599U CN 201320014419 CN201320014419 CN 201320014419 CN 201320014419 U CN201320014419 U CN 201320014419U CN 203029599 U CN203029599 U CN 203029599U
- Authority
- CN
- China
- Prior art keywords
- sleep apnea
- obstructive sleep
- controlled oscillator
- signal
- transmitting antenna
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
An obstructive sleep apnea therapeutic apparatus comprises a radar signal transceiver, a vibration motor and a power supply. The radar signal transceiver comprises a voltage-controlled oscillator, a transmitting antenna, a receiving antenna, a mixer and a base band chip. The voltage-controlled oscillator is used for generating pulse signals and transmitting the pulse signals to the transmitting antenna. The transmitting antenna transmits signals to a monitoring target. The receiving antenna is used for receiving echo transmitted by the monitoring target and transmitting the echo to the mixer, and mixing is conducted on the echo and the pulse signals generated in the voltage-controlled oscillator in the mixer. The mixed signals are transmitted to the base band chip. The base band chip conducts analysis and processing on respiratory rate and apnea information according to the obtained signals and transmits a control instruction to the vibration motor. The vibration motor is connected with the base band chip and used for stimulating the monitoring target to enable the monitoring target to breathe smoothly. The power supply is used for supplying power to the parts. The obstructive sleep apnea therapeutic apparatus has the advantages of being simple and compact in structure, low in cost, convenient to operate, low in radiation, wide in application range and the like.
Description
Technical field
This utility model relates generally to the respiratory therapy field, refers in particular to a kind of obstructive sleep apnea therapeutic instrument.
Background technology
Breath signal and electrocardiosignal are the most important vital signss of human body.For the patient that sleep apnea (OSASH) arranged, the perhaps just baby of birth, and some suffers from the patient of respiratory system disease, heart disease, needs its breathing and Heartbeat State between sleep period of monitoring in real time.In addition, the patient for the sleep apnea outbreak also needs in time to treat.
" doppler radar sensor " research in the vital sign monitoring has had long history with application, utilize doppler radar sensor directly not contacting under the situation of human body, know the vital sign parameter signals of human body, this type of technology is often used for rescuing life and searches and rescues detecting devices, as life-detection instrument, through-wall radar etc.The power of this doppler radar sensor is often very big, and investigative range is also bigger, but it is bigger for the radiation of human body.The technical size of existing doppler radar sensor is bigger, can't be applied directly to the monitoring of respiration of family or hospital internal.And, there is not concrete solution based on the signal processing for being applied to analyze respiratory frequency and heart rate of doppler radar sensor always yet.In addition, existing is to rely on operative treatment or adopt respirator to carry out clinical treatment for apneic therapeutic modality major part; Adopt operative treatment often all can recur, so most expert does not advise operation, and need be with nose cup when adopting respirator treatment, a lot of patients are difficult to accept the discomfort that nose cup brings, and therefore also need to solve the comfort level problem in the therapeutic process.
The utility model content
The technical problems to be solved in the utility model just is: at the technical problem that prior art exists, this utility model provides a kind of simple and compact for structure, with low cost, easy and simple to handle, obstructive sleep apnea therapeutic instrument that radiation is low, applied widely.
For solving the problems of the technologies described above, this utility model by the following technical solutions:
A kind of obstructive sleep apnea therapeutic instrument comprises:
The radar signal transceiver comprises voltage controlled oscillator, transmitting antenna, reception antenna, frequency mixer and baseband chip; Described voltage controlled oscillator is used for producing pulse signal and is sent to transmitting antenna, and described transmitting antenna sends signal to monitoring objective; Described reception antenna is used for receiving the echo that monitoring objective reflects, and sends into frequency mixer, and the pulse signal that produces with voltage controlled oscillator in frequency mixer carries out mixing then; Signal after the mixing is sent into baseband chip, and described baseband chip is made analyzing and processing and sent control instruction to vibrating motor respiratory frequency and asphyxia information according to the signal that obtains;
Vibrating motor is connected with baseband chip, and being used for stimulates so that monitoring objective is breathed smooth and easy monitoring objective;
Power supply is used for being above-mentioned each parts power supply.
As further improvement of the utility model:
The LNA of described reception antenna through linking to each other successively, link to each other with frequency mixer by behind second amplifier and the two-stage amplifier that the 3rd amplifier is formed.
Described voltage controlled oscillator links to each other with transmitting antenna through first amplifier.
This utility model also comprises network interface, inserts the Internet by network interface.
The vibration that described vibrating motor produces is used for the air flue of monitoring objective is stimulated.
Compared with prior art, advantage of the present utility model is: obstructive sleep apnea therapeutic instrument of the present utility model, simple and compact for structure, volume is little, power is low, radiation is low, with low cost, easy and simple to handle, applied widely, it adopts miniradar sensor cheaply to monitor breathing and the heartbeat message of people in the sleep period in real time, carry out the asphyxia analysis, predict apneic generation, and asphyxia takes place after in time the Vibration on Start-up motor expand the stimulation of air flue, induce airway unobstructed, impel breathing normally to carry out.The monitoring result precision height of this therapeutic instrument, and do not have directly with human body and to contact is accepted by patient and is used easilier.
Description of drawings
Fig. 1 is structural principle sketch map of the present utility model.
Fig. 2 is the schematic flow sheet of the frequency domain rate algorithm for estimating that adopts in this utility model baseband chip.
Fig. 3 is the schematic flow sheet of the time domain rate algorithm for estimating that adopts in this utility model baseband chip.
Fig. 4 is the schematic flow sheet of the regular respiratory sex determination method that adopts in this utility model baseband chip.
Fig. 5 is the schematic flow sheet of the vibrating motor control method that adopts in this utility model baseband chip.
The specific embodiment
Below with reference to Figure of description and specific embodiment this utility model is described in further details.
As shown in Figure 1, obstructive sleep apnea therapeutic instrument of the present utility model comprises power supply 5, radar signal transceiver 3 and vibrating motor 2; Radar signal transceiver 3 comprises voltage controlled oscillator 6(VCO), first amplifier 7, transmitting antenna 8, reception antenna 9, LNA 10, second amplifier 11, the 3rd amplifier 12, frequency mixer 13 and baseband chip 14, vibrating motor 2 is connected with baseband chip 14 by connecting line 4; Voltage controlled oscillator 6(VCO) be used for producing the pulse signal of 5GHz, be sent to transmitting antenna 8 by first amplifier 7, transmitting antenna 8 is used for sending radar signal to monitoring objective; Reception antenna 9 is used for receiving the echo that monitoring objective reflects, and remove noises, carry out two-stage through second amplifier 11 and the 3rd amplifier 12 again and be amplified into frequency mixer 13 through LNA 10, this signal carries out mixing with pulse signal that voltage controlled oscillator 6 produces in frequency mixer 13, signal after the mixing enters baseband chip 14 and removes noise, breath signal detection and heartbeat signal detection, and carries out respiratory frequency calculating, heart rate calculating and apnea monitoring.14 pairs of respiratory frequencys that calculate of baseband chip and asphyxia information are made analyzing and processing, finally send control instruction to vibrating motor 2, that is: the startup of the control signal of baseband chip 14 output by connecting line 4 control vibrating motors 2, stop and oscillation intensity, vibration by vibrating motor 2 comes the air flue of monitoring objective is stimulated, thereby makes that breathing is smooth and easy.
Further, obstructive sleep apnea therapeutic instrument of the present utility model also is provided with network interface, inserts the Internet by network interface, and the data when therapeutic instrument worked send to the server at specialist system place.
The workflow of this utility model therapeutic instrument is: 1. start the asphyxia therapeutic instrument, monitoring objective is searched in beginning automatically; 2. vibrating motor 2 is attached to the cervical region both sides of monitoring objective by removable mode; 3. behind the locking monitoring objective, carry out respiratory frequency calculating and heart rate and calculate; 4. analyze and catch asphyxia, when asphyxia takes place, give vibrating motor 2 enabling signals, give vibrating motor 2 stop signals when asphyxia finishes, warning when unusual takes place; 5. " uploading data " button on the flicking therapeutic instrument can send to data the server at specialist system place by the Internet.
Like this, this utility model just can directly apply in the family patient who suffers from the obstructive sleep time-out is treated, and uses perhaps for the patient who has been diagnosed as obstructive sleep apnea in the hospital.This utility model adopts contactless mode to carry out the asphyxia treatment, can make patient feel comfortable, satisfies not bound hommization demand, has very strong practical value.
As shown in Figure 2, be the frequency domain rate algorithm for estimating of carrying out in the baseband chip 14, be used at frequency-domain calculations respiratory frequency and heart rate.The detailed step of this frequency domain rate algorithm for estimating is as follows:
1. get M the sample (M=2880 or other) of data after demodulating X; This M sample has comprised non-respiratory movement and other noises and interfering signal;
2. all intervals with all the non-breath signals among the data X and interfering signal are made as zero;
3. each number among the data X is deducted the average of X;
4. the respiratory frequency in the frequency domain is following determines:
4.1 all samples for X carry out Fourier transform (DFT), do not make window, zero padding and interpolation algorithm;
4.2 it is the frequency that has maximum amplitude among the X that the frequency domain rate is estimated.In some implementation, it can be the frequency of a maximum amplitude between minimum respiratory frequency 6 and maximum breathing frequency 48.
As shown in Figure 3, be the time domain rate algorithm for estimating of the respiratory frequency carried out in the baseband chip 14.The detailed step of this time domain rate algorithm for estimating is as follows:
1. get M the sample (M=2880 or other) of data after demodulating X; This M sample has comprised non-respiratory movement and other noises and interfering signal;
2. all intervals with all the non-breath signals among the data X and interfering signal are made as zero;
3. each number among the data X is deducted the average of X;
4. the rate of time domain is estimated as follows definite:
4.1 make u
iBe the index of sample, make x ［ u
i］≤0 and x[u
I+1] 0 (zero crossing);
4.2 make a
iBe ［ u
i, u
I+1Interval interior maximum amplitude;
4.3 make A=max(a
i), then there are three different several i, j, k makes a
i0.1A, a
j0.1A, a
k0.1A;
If 4.4 in step c), there is not A, then can't determine respiratory frequency;
4.5 otherwise remember that a breathing cycle 1 is interval ［ u
i, u
I+1, g
i=1 satisfies following condition:
i.a
i>0.1A
Ii. y (n)=1 is for u
i＜n＜u
I+1
Iii. z (n)=1 is for u
i＜n＜u
I+1
Wherein y (n) and z (n) are respectively motion window and crop window;
4.6 otherwise, g
i=0;
λ is g 4.7 make
iThe maximum number of=1 continuous breathing.If respiratory frequency can't be determined so in λ＜2, otherwise respiratory frequency is (60 * 100 * λ)/((u
I+ λ-u
i).
Asphyxia therapeutic instrument of the present utility model carries out according to the estimation of frequency domain rate and the time domain rate algorithm for estimating of Fig. 2 and Fig. 3 respectively the estimation of respiratory frequency and the estimation of heart rate, and the respiratory frequency that provides at last is the average that the frequency domain respiratory frequency is estimated and the time domain respiratory frequency is estimated; If the frequency domain valuation of respiratory frequency and time domain valuation difference represent then that greater than 4 system monitoring information is insufficient, suspend vibrating motor 2; Otherwise show that the frequency domain valuation is as respiratory frequency; The account form of heart rate is: if the frequency domain of heart rate is estimated and the difference of time domain estimation greater than 12, represent that then system monitoring information is insufficient, otherwise with the frequency domain valuation of heart rate as heart rate.
As shown in Figure 4, the regular respiratory sex determination method for carrying out in the baseband chip 14.The concrete steps of this regular respiratory sex determination method are:
1. get M breath signal, the M value is 50～100; Calculate and breathe-breathe average and standard variance at interval;
2. calculate average and the standard variance of respiratory depth of each breathing of M breath signal;
3. calculate and breathe-breathe covariance C1 at interval; And the covariance C2 of calculating respiratory depth;
4. if C1＜threshold value and C2＜threshold value are then judged to breathe to be the rule breathing;
5. if the judgement of step 4 is false, then be judged to be irregular breathing; The FFT conversion is carried out at breathing-breathing interval and respiratory depth, checked in the waveform whether have periodical element;
6. do not exist periodically if breathe, it is individual to 2M then to increase the sample of breathing again, returns step 2 and handles; If 2M pattern detection then is judged to be the breathing aperiodicity less than periodically, calculates the average respiratory rate in the gamut, and calculate the average of apnea;
7. if the cycle is regular, then calculate weekly the asphyxia length of phase, and average, draw weekly the average asphyxia length of phase;
8. the data of calculating are sorted out.If regular respiratory provides the indication of " regular respiratory-X time breaths/min ", if irregular respiration, indication " periodically-irregular ".If there is asphyxia, then indication " average asphyxia length Y "; If irregular respiration, then indication " Z asphyxia/minute ".
As shown in Figure 5, be the control algolithm of vibrating motor 2, the concrete steps of these vibrating motor 2 control algolithms are as follows:
1.?t=t+delta_t；
Time interval t, t+delta_t] in, in need meeting the following conditions one:
A) detect less than cardiopulmonary exercise;
B) non-cardiopulmonary exercise signal is greater than the cardiopulmonary exercise signal;
If 2. satisfy in the step 1 condition a) or b), then labelling [t, t+delta_t] is the clear-headed period;
Otherwise, in time interval ［ t, t+delta_t ］, meet the following conditions:
A) average cardiopulmonary exercise signal is greater than non-cardiopulmonary exercise signal;
B) non-cardiopulmonary exercise signal number of times is greater than 1 time;
If 4. satisfy in the step 3 condition a) and condition b), then get back to step 1;
5. in time interval ［ t, t+delta_t ］, satisfy following condition: the asphyxia time〉1.5 breathing cycles;
6. if do not satisfy the condition in the step 5, then stop vibrating motor 2, get back to step 1;
7. if satisfy the condition in the step 5, then the Vibration on Start-up motor 2;
8. if the continuous clear-headed period surpasses 10, then the expression sleep finishes, and algorithm finishes.
Below only be preferred implementation of the present utility model, protection domain of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under this utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under this utility model principle prerequisite should be considered as protection domain of the present utility model.
Claims (5)
1. an obstructive sleep apnea therapeutic instrument is characterized in that, comprising:
Radar signal transceiver (3) comprises voltage controlled oscillator (6), transmitting antenna (8), reception antenna (9), frequency mixer (13) and baseband chip (14); Described voltage controlled oscillator (6) is used for producing pulse signal and is sent to transmitting antenna (8), and described transmitting antenna (8) sends signal to monitoring objective; Described reception antenna (9) is used for receiving the echo that monitoring objective reflects, and sends into frequency mixer (13), and the pulse signal that produces with voltage controlled oscillator (6) in frequency mixer (13) carries out mixing then; Signal after the mixing is sent into baseband chip (14), and described baseband chip (14) is made analyzing and processing and sent control instruction to vibrating motor (2) respiratory frequency and asphyxia information according to the signal that obtains;
Vibrating motor (2) is connected with baseband chip (14), and being used for stimulates so that monitoring objective is breathed smooth and easy monitoring objective;
Power supply (5) is used for being above-mentioned each parts power supply.
2. obstructive sleep apnea therapeutic instrument according to claim 1, it is characterized in that, the LNA (10) of described reception antenna (9) through linking to each other successively, link to each other with frequency mixer (13) by behind second amplifier (11) and the two-stage amplifier that the 3rd amplifier (12) is formed.
3. obstructive sleep apnea therapeutic instrument according to claim 1 is characterized in that, described voltage controlled oscillator (6) links to each other with transmitting antenna (8) through first amplifier (7).
4. obstructive sleep apnea therapeutic instrument according to claim 1 is characterized in that, also comprises network interface, inserts the Internet by network interface.
5. obstructive sleep apnea therapeutic instrument according to claim 1 is characterized in that, the vibration that described vibrating motor (2) produces is used for the air flue of monitoring objective is stimulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014419 CN203029599U (en) | 2013-01-11 | 2013-01-11 | Obstructive sleep apnea therapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014419 CN203029599U (en) | 2013-01-11 | 2013-01-11 | Obstructive sleep apnea therapeutic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203029599U true CN203029599U (en) | 2013-07-03 |
Family
ID=48681747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320014419 Expired - Fee Related CN203029599U (en) | 2013-01-11 | 2013-01-11 | Obstructive sleep apnea therapeutic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203029599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054708A (en) * | 2013-01-11 | 2013-04-24 | 湖南纳雷科技有限公司 | Obstructive sleep apnea therapy apparatus |
| CN104107034A (en) * | 2013-04-16 | 2014-10-22 | 海思康利(北京)新技术有限公司 | Spontaneous breathing apparatus |
-
2013
- 2013-01-11 CN CN 201320014419 patent/CN203029599U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054708A (en) * | 2013-01-11 | 2013-04-24 | 湖南纳雷科技有限公司 | Obstructive sleep apnea therapy apparatus |
| CN103054708B (en) * | 2013-01-11 | 2014-10-08 | 湖南纳雷科技有限公司 | Obstructive sleep apnea therapy apparatus |
| CN104107034A (en) * | 2013-04-16 | 2014-10-22 | 海思康利(北京)新技术有限公司 | Spontaneous breathing apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7273774B2 (en) | Cardiopulmonary health monitoring system, method of operating system and computer readable medium | |
| JP7244695B2 (en) | Methods and devices for monitoring chronic disease | |
| CN203029237U (en) | Sleep device for monitoring sleep respiration state | |
| EP3286577B1 (en) | Detection and identification of a human from characteristic signals | |
| CN103006225A (en) | Sleep monitoring instrument capable of monitoring breathing state in sleep | |
| US10492720B2 (en) | System and method for determining sleep stage | |
| CN109480787A (en) | A kind of contactless sleep monitor equipment and sleep stage method based on ULTRA-WIDEBAND RADAR | |
| JP2015027551A (en) | System for monitoring cardiorespiratory parameter | |
| CN109998482A (en) | The detection of sleep state | |
| CN103054708B (en) | Obstructive sleep apnea therapy apparatus | |
| WO2018077199A1 (en) | Health monitoring device and method | |
| CN213551696U (en) | Sleep quality detection system based on millimeter wave radar | |
| CN203029599U (en) | Obstructive sleep apnea therapeutic apparatus | |
| CN106510641B (en) | A kind of method and system detecting human body difference sleep stage | |
| KR20140003867A (en) | System and method for monitoring sleep apnea and stage of sleep | |
| CN108903912A (en) | A kind of child's health status monitoring device and method | |
| CN108900523A (en) | A kind of child's health status monitoring device and method | |
| Boedinoegroho et al. | Development of fatigue detection device based on IR-UWB and optic sensor to driver | |
| Xiong et al. | A biofeedback system for mobile healthcare based on heart rate variability | |
| EP2906104B1 (en) | System and method for breathing rate measurements | |
| Strässle et al. | Internet of the body and cognitive hypervisor | |
| Gurzhin et al. | Virtual Tools for Fast Registration, Processing and Presentation of Biomedical Signals in" Multimag" Complex | |
| Nguyen et al. | Respiratory Volume Monitoring From Afar Using Wireless Signals | |
| Hosseini et al. | Wireless Heart Beat and Respiratory Rate Monitoring Using a Short-range Wireless System | |
| JP2007307309A (en) | Device for detecting biological information by means of ultrasonic vibration sensor, indoor environment control method using biological information, and indoor environment controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20220111 |