CN106963350A - It is a kind of at the same monitor breathing and body temperature method and system - Google Patents
It is a kind of at the same monitor breathing and body temperature method and system Download PDFInfo
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 151
- 230000036760 body temperature Effects 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 230000000241 respiratory effect Effects 0.000 claims description 34
- 230000002159 abnormal effect Effects 0.000 claims description 25
- 230000001133 acceleration Effects 0.000 claims description 25
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 6
- 208000028752 abnormal posture Diseases 0.000 claims description 3
- 210000000038 chest Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 210000003928 nasal cavity Anatomy 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 208000008784 apnea Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- A61B5/02—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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/0816—Measuring devices for examining respiratory frequency
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
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- 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
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
It is a kind of at the same monitor breathing and body temperature method and system, including：By producing the breath signal related to breathing after the respiration measurement module measurement of system；By producing the temperature signals related to body temperature after the measurement of bldy temperature module measurement of system；The breath signal and the temperature signals are gathered by the processing module of system, the breath signal and the temperature signals are handled respectively, the respiration parameter and body temperature parameter of measurement is drawn.In the embodiment of the application, because system is simultaneously including respiration measurement module and measurement of bldy temperature module, body temperature can be monitored while being monitored to breathing, monitoring of respiration instrument and temperature monitoring instrument unite two into one, monitoring is not only facilitated, while also reducing cost.
Description
Technical Field
The present application relates to medical devices, and more particularly, to a method and system for simultaneously monitoring respiration and body temperature.
Background
Respiration is one of basic vital signs of a human body, is controlled by vegetative nerves, and internal and external exchange of respiratory gas caused by respiration is one of key indexes of vital information monitoring. The technologies applied to respiratory monitoring generally include impedance method, heat-sensitive method, flow method, piezoelectric method and the like. The impedance method is to inject a high frequency constant current source signal of dozens of kHz into a pair of special electrocardio electrodes adhered to two ends of the thorax, so that the impedance change caused by the fluctuation of the thorax caused by respiration is modulated on the high frequency constant current source signal, and the signal is input to a detection circuit through the electrodes to be amplified, demodulated, digitized and processed with signal characteristics, so as to obtain a respiration signal and realize the monitoring of the respiration signal and characteristic parameters. The thermosensitive method is to utilize a miniature thermistor, wrap the thermistor through a piece of flexibility, and place the thermistor in the nasal cavity pipe, in order to perceive the air current of nasal cavity department, thus obtain the information of resistance change, and then through circuit amplification, filtering and digitization and signal processing, etc., in order to obtain the monitoring of breathing signal and characteristic parameter.
The technology applied to body temperature monitoring generally adopts thermistor monitoring. The temperature measurement by the thermosensitive method is to use a miniature thermistor, wrap the miniature thermistor through a flexible bag, place the miniature thermistor on the body surface to sense the body surface temperature so as to obtain the information of resistance change, and then obtain the monitoring of the body surface temperature value through the amplification, filtering and digitization of a circuit, signal processing and the like.
At present, a respiratory monitoring instrument is adopted for monitoring respiratory monitoring, a body temperature monitoring instrument is adopted for monitoring body temperature, the respiratory monitoring instrument and the body temperature monitoring instrument are mutually independent, however, the respiratory monitoring instrument is separated from the body temperature monitoring device, synchronous monitoring is not facilitated, and monitoring cost is increased.
Disclosure of Invention
The present application provides a system for simultaneously monitoring respiration and body temperature.
According to a first aspect of the present application, there is provided a method of simultaneously monitoring respiration and body temperature, comprising:
generating a respiration signal related to respiration after the measurement by a respiration measurement module of the system;
generating a body temperature signal related to the body temperature after the body temperature signal is measured by a body temperature measuring module of the system;
the respiratory signal and the body temperature signal are collected through a processing module of the system, and are respectively processed to obtain a measured respiratory parameter and a measured body temperature parameter.
The method for processing the respiratory signal specifically comprises the following steps:
respectively calculating three-axis acceleration signals of the respiration signals, and calculating to obtain three-axis comprehensive signals;
and processing the three-axis comprehensive signal to obtain the respiration rate and the respiration amplitude.
In the method, the three-axis integrated signal is specifically calculated by the following formula:
wherein,
iXj、iYj、iZjthe j-th sampling signal represents the triaxial acceleration, and i represents the ith synthesized integrated signal.
In the above method, the processing the three-axis integrated signal specifically includes:
distinguishing a normal breathing signal from an abnormal breathing signal by setting a breathing parameter threshold;
finding out a respiration maximum value and a respiration minimum value in the normal respiration signal through a waveform identification technology;
and calculating the respiration rate and the respiration amplitude according to the respiration maximum value and the respiration minimum value.
In the above method, the processing the three-axis integrated signal further includes:
judging a normal posture and an abnormal posture by setting a posture threshold;
extracting a posture maximum value, a posture minimum value and a posture inclination angle through the characteristics of the normal posture waveform signal;
and calculating attitude characteristics according to the attitude maximum value, the attitude minimum value and the attitude dip angle and judging an attitude rule.
According to a second aspect of the present application, there is provided a system for simultaneous monitoring of respiration and body temperature, comprising:
the breath measuring module is used for generating a breath signal related to breath through measurement;
the body temperature measuring module is used for generating a body temperature signal related to the body temperature through measurement;
and the processing module is used for acquiring the respiratory signal and the body temperature signal, and respectively processing the respiratory signal and the body temperature signal to obtain a measured respiratory parameter and a measured body temperature parameter.
In the system, the respiration measuring module comprises an acceleration sensor, and the processing module comprises a respiration processing unit;
the acceleration sensor is used for sensing a three-axis acceleration signal of the respiration signal;
the respiration processing unit is used for respectively calculating three-axis acceleration signals of the respiration signals and calculating to obtain three-axis comprehensive signals; and processing the three-axis comprehensive signal to obtain the respiration rate and the respiration amplitude.
In the above system, the three-axis integrated signal is specifically calculated by the following formula:
wherein,
iXj、iYj、iZjthe j-th sampling signal represents the triaxial acceleration, and i represents the ith synthesized integrated signal.
In the system, the respiration processing unit is further configured to distinguish a normal respiration signal from an abnormal respiration signal by setting a respiration parameter threshold; finding out a respiration maximum value and a respiration minimum value in the normal respiration signal through a waveform identification technology; and calculating the respiration rate and the respiration amplitude according to the respiration maximum value and the respiration minimum value.
In the system, the processing module further comprises a posture processing unit;
the attitude processing unit is used for judging a normal attitude and an abnormal attitude by setting an attitude threshold; extracting a posture maximum value, a posture minimum value and a posture inclination angle through the characteristics of the normal posture waveform signal; and calculating attitude characteristics according to the attitude maximum value, the attitude minimum value and the attitude dip angle and judging an attitude rule.
Due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
in the specific implementation mode of this application, because the system includes respiratory measuring module and body temperature measuring module simultaneously, can monitor body temperature when monitoring breathing, respiratory monitoring instrument and body temperature monitoring instrument unite two into one, have not only made things convenient for the control, also reduced the cost simultaneously.
Two second in the embodiment of this application, because small, because breathe measuring module and use acceleration sensor, but wireless connection fixes the sensor to human chest belly just can measure, and signal quality is only relevant in the position of placing the people's health in, and is irrelevant with other factors, therefore receive the interference factor and be less than the impedance method and measure, have diversified sensitivity again simultaneously concurrently. Compared with a thermosensitive method, the respiration monitoring through the acceleration sensor has the advantages of easiness in use and wearability, and the sleep state and the respiration state of the subject can be reflected more truly without interfering the sleep of the subject if the acceleration sensor is used for the sleep monitoring.
Drawings
FIG. 1 is a functional block diagram of the system of the present application in one embodiment;
FIG. 2 is a functional block diagram of the system of the present application in another embodiment;
FIG. 3 is a flow chart of the method of the present application in one embodiment;
FIG. 4 is a flow chart of a method of the present application in another embodiment;
FIG. 5 is a flow chart of the processing of respiration signals by the method of the present application in one embodiment;
FIG. 6 is a flow diagram of the processing of an attitude signal by the method of the present application in one embodiment;
FIG. 7 is a flow chart of a method of the present application for handling exception signals in one embodiment.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
The first embodiment is as follows:
as shown in fig. 1 and 2, one embodiment of the system for monitoring respiration and body temperature simultaneously according to the present application includes a respiration measuring module, a body temperature measuring module, and a processing module. The breath measuring module is used for generating a breath signal related to breath through measurement; the body temperature measuring module is used for generating a body temperature signal related to the body temperature through measurement; and the processing module is used for acquiring the respiratory signal and the body temperature signal, and respectively processing the respiratory signal and the body temperature signal to obtain the measured respiratory parameter and the measured body temperature parameter.
In one embodiment, the respiration measurement module comprises an acceleration sensor and the processing module comprises a respiration processing unit. The acceleration sensor is used for sensing a three-axis acceleration signal of the respiration signal; the respiration processing unit is used for respectively calculating three-axis acceleration signals of the respiration signals and calculating to obtain three-axis comprehensive signals; and processing the three-axis comprehensive signal to obtain the respiration rate and the respiration amplitude. In another embodiment, the body temperature measuring module comprises a thermistor for sensing a body temperature signal. The processing module can also comprise a body temperature processing unit used for processing the body temperature signal.
The system of monitoring breathing and body temperature simultaneously of this application, triaxial are synthesized the signal and are specifically calculated through following formula:
wherein,
iXj、iYj、iZjthe j-th sampling signal represents the triaxial acceleration, and i represents the ith synthesized integrated signal.
In one embodiment, the respiration processing unit is further configured to distinguish between normal respiration signals and abnormal respiration signals by setting a respiration parameter threshold; finding out a respiration maximum value and a respiration minimum value in a normal respiration signal through a waveform identification technology; and calculating the respiration rate and the respiration amplitude according to the respiration maximum value and the respiration minimum value.
The system of monitoring breathing and body temperature simultaneously of this application, processing module still includes gesture processing unit. The attitude processing unit is used for judging a normal attitude and an abnormal attitude by setting an attitude threshold value and extracting an attitude maximum value, an attitude minimum value and an attitude inclination angle according to the characteristics of a normal attitude waveform signal; and calculating attitude characteristics according to the attitude maximum value, the attitude minimum value and the attitude dip angle and judging the attitude rule.
The system for monitoring breath and body temperature simultaneously of the application can further comprise a power module for supplying power to the system.
Example two:
as shown in fig. 3, one embodiment of the method for simultaneously monitoring respiration and body temperature of the present application comprises the following steps:
step 302: the respiration signal related to respiration is generated after being measured by a respiration measuring module of the system.
Step 304: the body temperature measuring module of the system generates a body temperature signal related to the body temperature after measuring.
Step 306: the respiratory signal and the body temperature signal are collected through a processing module of the system, and the respiratory signal and the body temperature signal are respectively processed to obtain a measured respiratory parameter and a measured body temperature parameter.
In one embodiment, the processing the respiration signal specifically includes:
step A1: the three-axis acceleration signals of the respiration signals are respectively calculated, and three-axis comprehensive signals are obtained through calculation.
Step A2: and processing the three-axis comprehensive signal to obtain the respiration rate and the respiration amplitude.
In one embodiment, the three-axis integrated signal is calculated by the following formula:
wherein,
iXj、iYj、iZjthe j-th sampling signal represents the triaxial acceleration, and i represents the ith synthesized integrated signal.
In an embodiment, the processing the three-axis integrated signal may specifically include:
step B1: distinguishing a normal breathing signal from an abnormal breathing signal by setting a breathing parameter threshold;
step B2: finding out a respiration maximum value and a respiration minimum value in the normal respiration signal through a waveform identification technology;
step B3: and calculating the respiration rate and the respiration amplitude according to the respiration maximum value and the respiration minimum value.
In another embodiment, the processing the three-axis integrated signal may specifically further include:
step C1: judging a normal posture and an abnormal posture by setting a posture threshold;
step C2: extracting a posture maximum value, a posture minimum value and a posture inclination angle through the characteristics of the normal posture waveform signal;
step C3: and calculating attitude characteristics according to the attitude maximum value, the attitude minimum value and the attitude dip angle and judging the attitude rule.
FIG. 4 is a flow chart of the method of the present application in one embodiment. The method specifically comprises the following steps:
the respiration signal and the attitude signal are acquired by the triaxial acceleration sensor, and the signals with effective frequencies for identification processing are obtained through preprocessing operations such as digital filtering and the like. After passing through the respiratory signal processing engine, the attitude signal processing engine can obtain and output respiratory characteristic information and attitude characteristic information; the abnormal signal processing engine monitors the abnormal information of the measurement signal in real time, identifies useful information in the abnormal information, such as apnea, respiratory obstruction and the like, and abnormal information of system operation, ensures the accuracy of signal identification and the stability and reliability of system operation, and finally outputs a processing result.
As shown in fig. 5, a specific application example of the flow of processing the respiration signal in the method of the present application includes:
and setting a breathing parameter threshold. Two breathing parameter thresholds are set to distinguish normal breathing signals from abnormal breathing signals. And if the respiration signal is judged to be normal, identifying a maximum value and a minimum value in periodic respiration through a waveform identification technology. For calculation of respiration rate and amplitude. And tracking the regular change of the respiration amplitude and the respiration rate, and outputting a result. If the signal does not meet the normal respiration threshold value, the respiration signal is judged to be an abnormal signal through a judging means, and a waveform judging result is output. And dynamically updating and setting the breathing parameter threshold according to the real-time signal.
As shown in fig. 6, a specific application example of the flow for processing the attitude signal in the method of the present application includes:
similar to the processing process of the respiratory signal processing engine, the attitude signal processing engine also sets a threshold for judging normal attitude and abnormal attitude. If the posture is judged to be a normal posture, extracting a maximum value, a minimum value and a posture inclination angle through the characteristics of the posture waveform signal, and using the maximum value, the minimum value and the posture inclination angle for calculating the posture characteristics and judging the posture rule; if the attitude signal meets the abnormal attitude threshold, judging the signal is abnormal through a judging means, and finally outputting an attitude judgment result.
As shown in fig. 6, a specific application example of the flow for processing the abnormal signal in the method of the present application includes:
the system exception handling comprises exception signal processing and system state monitoring management. The respiratory signal and the attitude signal are distinguished through the two steps, so that an abnormal signal and a normal signal can be identified, the abnormal signal is processed through an abnormal processing engine, the abnormal signal event characteristic is extracted through a waveform identification technology and is used for self-learning of respiratory and attitude parameters, and then the respiratory and attitude event distinguishing result is output. The system state management comprises system voltage monitoring, data transmission management and system fault processing, and if the monitoring system state is abnormal, abnormal practice is processed and the system state is output.
The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the spirit of the disclosure.
Claims (10)
1. A method of simultaneously monitoring respiration and body temperature, comprising:
generating a respiration signal related to respiration after the measurement by a respiration measurement module of the system;
generating a body temperature signal related to the body temperature after the body temperature signal is measured by a body temperature measuring module of the system;
the respiratory signal and the body temperature signal are collected through a processing module of the system, and are respectively processed to obtain a measured respiratory parameter and a measured body temperature parameter.
2. The method of claim 1, wherein the processing of the respiration signal comprises:
respectively calculating three-axis acceleration signals of the respiration signals, and calculating to obtain three-axis comprehensive signals;
and processing the three-axis comprehensive signal to obtain the respiration rate and the respiration amplitude.
3. The method of claim 2, wherein the three-axis integrated signal is calculated by the following formula:
wherein,
iXj、iYj、iZjthe j-th sampling signal represents the triaxial acceleration, and i represents the ith synthesized integrated signal.
4. The method according to claim 3, wherein the processing of the three-axis integrated signal comprises:
distinguishing a normal breathing signal from an abnormal breathing signal by setting a breathing parameter threshold;
finding out a respiration maximum value and a respiration minimum value in the normal respiration signal through a waveform identification technology;
and calculating the respiration rate and the respiration amplitude according to the respiration maximum value and the respiration minimum value.
5. The method of simultaneously monitoring respiration and body temperature according to claim 3, wherein said processing said three-axis integrated signals further comprises:
judging a normal posture and an abnormal posture by setting a posture threshold;
extracting a posture maximum value, a posture minimum value and a posture inclination angle through the characteristics of the normal posture waveform signal;
and calculating attitude characteristics according to the attitude maximum value, the attitude minimum value and the attitude dip angle and judging an attitude rule.
6. A system for simultaneously monitoring respiration and body temperature, comprising:
the breath measuring module is used for generating a breath signal related to breath through measurement;
the body temperature measuring module is used for generating a body temperature signal related to the body temperature through measurement;
and the processing module is used for acquiring the respiratory signal and the body temperature signal, and respectively processing the respiratory signal and the body temperature signal to obtain a measured respiratory parameter and a measured body temperature parameter.
7. The system for simultaneous monitoring of respiration and body temperature according to claim 6, wherein the respiration measurement module comprises an acceleration sensor and the processing module comprises a respiration processing unit;
the acceleration sensor is used for sensing a three-axis acceleration signal of the respiration signal;
the respiration processing unit is used for respectively calculating three-axis acceleration signals of the respiration signals and calculating to obtain three-axis comprehensive signals; and processing the three-axis comprehensive signal to obtain the respiration rate and the respiration amplitude.
8. The system for simultaneous monitoring of respiratory and body temperature according to claim 7, wherein said three-axis integrated signal is calculated by the following formula:
wherein,
iXj、iYj、iZjthe j-th sampling signal represents the triaxial acceleration, and i represents the ith synthesized integrated signal.
9. The system for simultaneous monitoring of respiratory and body temperature of claim 8, wherein;
the respiration processing unit is also used for distinguishing a normal respiration signal from an abnormal respiration signal by setting a respiration parameter threshold; finding out a respiration maximum value and a respiration minimum value in the normal respiration signal through a waveform identification technology; and calculating the respiration rate and the respiration amplitude according to the respiration maximum value and the respiration minimum value.
10. The system for simultaneous monitoring of respiration and body temperature according to claim 8, wherein the processing module further comprises a posture processing unit;
the attitude processing unit is used for judging a normal attitude and an abnormal attitude by setting an attitude threshold; extracting a posture maximum value, a posture minimum value and a posture inclination angle through the characteristics of the normal posture waveform signal; and calculating attitude characteristics according to the attitude maximum value, the attitude minimum value and the attitude dip angle and judging an attitude rule.
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Application publication date: 20170721 |