KR20150057429A - Apparatus and System Measuring 3-channels Respiration and Method thereof - Google Patents

Abstract

The present invention relates to a channel respiration measuring device, a three-channel respiration measuring system, and a method thereof. The channel respiration measuring device according to the present invention; divides a measured position into three sections from a chest to a stomach; collects a signal from three sensors by positioning one sensor every section; calculates the breathing quantity by analyzing the signals integrally; and measures accurate respiration. According to the present invention, an error problem by an attaching position can be solved and respiration related information such as a respiration cycle, lung capacity, lung volume, etc. can be calculated with respiration measurement only.

Description

[0001] The present invention relates to a three-channel respiration measurement apparatus and method, a three-channel respiration measurement system,

The present invention relates to a three-channel respiration measurement apparatus and method, a three-channel respiration measurement system and a method thereof, and more particularly, to an apparatus, a system, and a method for accurately measuring respiration amount.

Since it is very important in radiation therapy to irradiate a high dose of radiation to the precise location of the lesion and to minimize the coating dose of healthy cells, the recent trend is to combine the radiology and imaging devices.

4D CT reconstruction technique is an essential technique to acquire 3D images stably during respiration in the field of imaging. Radiotherapy methods include Image-Guided Radiotherapy (IGRT) and Respiratory-Gated Radiotherapy : RGRT) method.

Respiratory synchrotron radiation therapy was used to treat patients with active breath control and breathing with deep breaths, but intentional control of breathing was performed when the patient was in poor condition, especially in patients with lung cancer. In recent years, patients are exposed to radiation only in a stable period of time in the respiratory cycle in the free respiratory state.

Therefore, there is a need for a device capable of stably measuring the respiration of a patient under free breathing conditions.

Breathing sensors currently in use or in clinical use are designed as a single channel type, and include a load-cell or piezo sensor, a sensor with a built-in strain gauge, a conductive fiber-based capacitive pressure sensor (TCPS ). However, when breathing is measured using only one breathing measurement sensor, it is very likely that an error occurs in the measurement value depending on where the breathing measurement sensor is attached to the body of the patient.

In fact, we conducted an experiment to measure respiration using a TCPS sensor in the thesis 'Fundamental Design Study for Smart Apparel of Breath Measuring Function' published in Sensibility Science Volume 15, 2012 in 2012. After dividing the chest- Experimental results show that the respiration signals measured at each position can be different.

That is, the accuracy of the respiratory signal measured by the patient wearing the sensor, depending on whether the respiration is mainly through the chest or through the abdomen, can be changed.

Therefore, the conventional breath measurement apparatus has a problem that measurement results are different depending on the body position of the patient to which the breath measurement sensor is attached.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a three-channel respiration measurement device capable of positioning three respiration measurement sensors by predetermined positions and integrally measuring respiration of a patient through each respiration measurement sensor A three-channel breath measurement system, and a method thereof.

That is, the present invention separates the measurement position into three zones from the chest to the abdomen, collects signals from three sensors simultaneously by positioning one sensor in each zone, collectively analyzes the collected signals, The present invention provides a three-channel breathing measuring apparatus and method, a three-channel breathing measuring system, and a method thereof.

In order to achieve the above object, a three-channel breathing apparatus according to one aspect of the present invention includes three breathing sensors, each breathing sensor corresponding to each of the body parts divided into three sections from the chest to the abdomen, A sensing unit for measuring respiration of the subject; And a signal processing unit for analyzing the three respiration signals sensed by the always-sensing unit based on a pre-stored signal analysis algorithm to calculate the respiration amount of the person.

The three-channel respiration measurement system according to another aspect of the present invention includes three respiration sensors, and detects respiration of a person through each respiration sensor corresponding to each part of the body divided into three sections from the chest to the abdomen, A three-channel respiration measurement device for analyzing the three respiration signals based on the pre-stored signal analysis algorithm to calculate the respiration amount of the person and transmitting the calculated respiration amount; And analyzing the respiration-related information of the person on the basis of the received breath amount using a previously stored signal analysis algorithm including at least one of a breathing cycle analysis algorithm, a lung volume analysis algorithm and a lung capacity analysis algorithm, And a PC or a terminal for displaying respiration-related information including at least one of the respiration cycle, lung volume, and lung volume of the person.

According to another aspect of the present invention, there is provided a method for operating a three-channel breathing apparatus, comprising: sensing respiration of a person through three respiration sensors corresponding to respective parts of a body divided into three sections from the chest to the abdomen; And analyzing the three sensed breathing signals based on a pre-stored signal analysis algorithm to calculate the breathing amount of the person.

According to another aspect of the present invention, there is provided a method of operating a three-channel breathing measurement system, comprising: sensing breathing of a human through three respiration sensors corresponding to respective body parts divided into three sections from the chest to the abdomen; Analyzing the three sensed breathing signals based on a pre-stored signal analysis algorithm to calculate and transmit the respiration amount of the person; And analyzing the respiration-related information of the person in real time using at least one of a previously stored respiration cycle analysis algorithm, a lung volume analysis algorithm and a lung capacity analysis algorithm based on the received breath amount, And displaying lung-related information including at least one of lung volume, lung volume, and lung volume.

According to the present invention, it is possible to solve the problem of error depending on the mounting position.

In particular, the respiration measurement alone has an advantage of accurately calculating respiratory information such as the respiratory cycle, lung capacity, and lung volume.

FIG. 1 is a block diagram for explaining a 3-channel breathing measurement apparatus and a 3-channel breathing measurement system according to an embodiment of the present invention. FIG.
2 is a view for explaining a 3-channel breathing measuring apparatus of the present invention.
3 is a diagram for explaining the sensing unit of the present invention in more detail;
4 is a diagram for explaining generation of an algorithm of the present invention;
FIG. 5 is a flowchart illustrating an operation method of a 3-channel breathing apparatus according to an embodiment of the present invention. FIG.
6 is a flowchart illustrating a method of operating a PC or a terminal according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. And is intended to enable a person skilled in the art to readily understand the scope of the invention, and the invention is defined by the claims. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is noted that " comprises, " or "comprising," as used herein, means the presence or absence of one or more other components, steps, operations, and / Do not exclude the addition.

Hereinafter, a three-channel respiration measurement apparatus and a three-channel respiration measurement system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG. FIG. 1 is a block diagram for explaining a 3-channel respiration measurement apparatus and a 3-channel respiration measurement system according to an embodiment of the present invention. FIG. 2 is a view for explaining a 3-channel respiration measurement apparatus of the present invention, 4 is a diagram for explaining generation of an algorithm according to the present invention.

1, the three-channel respiration measurement system of the present invention includes a three-channel respiration measurement apparatus 100 and a PC or a terminal 200. The three-

The three-channel respiration measurement apparatus 100 includes a sensing unit 110, a signal processing unit 120, a wired / wireless communication unit 130 and a power supply unit 140. The control signal received through the wired / , The breath measurement operation is started, and when the received control signal is the breath measurement stop, the breath measurement operation is stopped.

2, the sensing unit 110 includes a breath sensor 1 (111), a breath sensor 2 (112), and a breath sensor 3 (113) as three Sensors for each head- (111, 112, 113).

For example, as shown in FIG. 3, the sensing unit 110 is manufactured in the form of a belt B or a bag divided into three zones (Part 1, Part 2, and Part 3), and each breath sensor 111, 112, When the belt B is worn by a person, each of the breathing sensors 111, 112 and 113 corresponds to each of the body parts divided into three sections from the chest to the abdomen of the wearer .

Accordingly, when the belt B is worn by a person, the respiration sensors 111, 112, and 113 are brought into close contact with the body parts of the wearer corresponding to the respective areas (Part1, Part2, and Part3) Measure the pressure to sense the breathing signal.

The signal processing unit 120 includes a channel-specific amplifying and filtering unit 121, an MCU 122 and a respiration level monitoring unit 124. The signal processing unit 120 amplifies and filters the three respiration signals sensed by the sensing unit 110 , And converts it into a digital signal to collectively analyze and calculate the volume.

For example, the channel-specific amplifying and filtering unit 121 filters and amplifies respiration signals sensed by the respiration sensors 111, 112, and 113, and transmits the respiration signals to the MCU 122.

The MCU 122 includes an ADC and a three-channel signal integration analysis algorithm unit 123.

The ADC converts the respiration signal filtered and amplified by the channel-specific amplifying and filtering unit 121 into a digital signal, and transmits the converted digital signal to the three-channel integrated analysis algorithm unit 123.

The three-channel integrated analysis algorithm unit 123 calculates the respiration amount (value) of the wearer based on the respiration signal converted into the digital signal by the ADC.

That is, the three-channel integrated analysis algorithm unit 123 calculates the respiration amount (value) of the wearer based on the respiration signal converted into the digital signal by the ADC using the pre-generated signal analysis algorithm.

Also, the precision analyzer 220 to be described later analyzes the respiration-related information of the wearer of the belt B in real time through the generated signal analysis algorithm, that is, the breathing cycle analysis algorithm, the lung volume analysis algorithm and the lung capacity analysis algorithm.

As shown in FIG. 4, each of the signal analysis algorithms used in the three-channel integrated analysis algorithm unit 123 and the precision analysis unit 220 is used for an MCU, that is, for an integrated analysis algorithm, And the lung volume and the lung volume of the wearer of the belt B are measured for the PC, that is, for the precision analysis algorithm. The lung volume and the lung volume of the belt B are measured by the respiration sensor 1 111, respiration sensor 2 112 and respiration sensor 3 113 When the three respiration signals (three-channel data) are collected and the correlation between the measured data and the collected data is derived, the three-channel integrated analysis algorithm unit 123 and the precision analysis unit (220).

For example, three breathing signals (three-channel data) are sensed by the respiration sensor 1 (111), respiration sensor 2 (112) and respiration sensor 3 (113), and spirometry is performed at the same time And a signal analysis algorithm for deriving the amount of respiration based on the sensed 3-channel data is generated based on the calculated correlation, and the generated signal analysis algorithm is divided into three channels And stored in the integrated analysis algorithm unit 123.

Here, linear regression analysis or neural network analysis can be used as a correlation calculation method.

Therefore, the 3-channel integrated analysis algorithm unit 123 and the precision analysis unit 220 use the stored algorithm to calculate a residual volume (RV), a TV, a tidal volume, an expiratory reserve (ERV) (LV), vital capacity (VC), and functional residual capacity (FRC), as well as estimating the lung volume such as volume, inspiratory reserve volume, functional residual capacity, and inspiratory capacity (IC) can also be calculated.

Accordingly, the present invention separates the body part of the breathing volume into three zones, and one sensor can be positioned in each of the divided zones to simultaneously collect signals from the three sensors, collectively analyze the collected signals and calculate the breathing volume When measuring with one sensor, it is possible to reduce the error caused by the measurement position, so that more accurate breath measurement can be performed.

The breathing level monitoring unit 124 displays the breathing amount of the wearer calculated by the three-channel integrated analysis algorithm unit 120.

The wired / wireless communication unit 130 includes a communication module 131 and transmits the respiration amount (value) of the wearer calculated by the signal processing unit 120 to the PC or the terminal 200 via wired / wireless communication.

For example, the communication module 131 transmits the respiration amount (value) of the wearer calculated through one of the communication methods of Bluetooth, UART, ZigBee, etc. to the PC or the terminal 200.

The power supply unit 140 includes a charging circuit 141, a battery (if portable), a power management circuit 142, and a voltage stabilization circuit 143, and supplies power to the 3-channel breathing apparatus 100.

The PC or terminal 200 includes a wire / wireless communication unit 210, a precision analysis unit 220, and a display and control unit 230.

The wired / wireless communication unit 210 includes a communication module 131 that communicates with the 3-channel respiration measurement device 100 using any one of communication methods such as Bluetooth, UART, and ZigBee, And receives the respiration amount (value) of the wearer transmitted from the 3-channel respiration measurement apparatus 100, and transmits the respiration amount to the precision analysis unit 220.

The precision analysis unit 220 analyzes the respiration information of the wearer of the belt B in real time using the respiration cycle analysis algorithm, the lung volume analysis algorithm and the lung capacity analysis algorithm based on the previously stored respiration amount of the wearing wearer do.

The display and control unit 230 displays the respiration amount of the wearer transmitted from the breath measurement apparatus 100 and displays respiration related information such as respiration cycle, lung volume, lung volume, etc. of the wearer analyzed by the precision analysis unit 220 And controls the start and stop of the measurement of the three-channel breathing apparatus 100 through the wired / wireless communication unit 210.

For example, the display and control unit 230 may transmit a control signal to the 3-channel respiration measurement apparatus 100 through the wired / wireless communication unit 210 according to a user's operation.

That is, the display and control unit 230 outputs a control signal for starting the breath measurement when the operation by the user is the start of the breath measurement, and outputs a control signal for stopping the breath measurement when the operation by the user is the breath measurement stop Output.

As described above, the present invention derives the correlation between the three respiration data sensed by the respiration sensors 111, 112, and 113 and the actually measured lung capacity, lung volume, and lung capacity, and generates a signal analysis algorithm according to the derived result And the generated signal analysis algorithm is loaded (stored) in the MCU 122 and the precision analysis unit 220 and the respiration of the human being is integrally measured by the respiration sensors 111, 112 and 113, It is possible to solve the error of the measurement value generated according to the position where the sensor is attached so that the respiration amount can be accurately measured and the respiration related information can be measured in real time.

The present invention also relates to a technique for reconstructing a 4D CT image by recording a respiratory signal simultaneously with acquisition of a 3D image, or a respiration synchrotron radiation therapy for irradiating a radiation only in a predetermined period according to a patient's breathing state, It can be used in all fields related to measurement.

Meanwhile, although the present invention is configured to measure human respiration with three respiration sensors, the number of respiration sensors can be increased to four or five or more, The embodiment is the same as that constituted by three breath sensors.

The three-channel respiration measurement apparatus and the three-channel respiration measurement system according to an embodiment of the present invention have been described with reference to FIGS. 1 to 4. In the following, referring to FIGS. 5 and 6, 3-channel respiration measurement method will be explained. FIG. 5 is a flowchart illustrating an operation method of a 3-channel breathing apparatus according to an embodiment of the present invention. FIG. 6 is a flowchart illustrating an operation method of a PC or a terminal according to an embodiment of the present invention.

5, the 3-channel respiration measurement apparatus 100 confirms whether or not the control signal is received (S500). When the control signal for stopping the breath measurement is received as a result of the check, the 3-channel respiration measurement apparatus 100 stops breath measurement, As a result of the confirmation, when the control signal for starting breath measurement is received, the three respiration sensors 111, 112, and 113 detect respiration by each of the body parts corresponding to the positions in the belt B through the respiration sensors 111, 112, and 113 (S501). The three respiration signals thus detected are filtered, amplified, and converted into digital signals.

The breathing signal (electrocardiogram signal) converted into a digital signal is analyzed through a pre-stored signal analysis algorithm to calculate the breathing amount of the wearer wearing the belt B (S502), and the breathing level according to the calculated breathing amount is displayed.

The calculated amount of respiration is transmitted to the PC or the terminal 200 through the wired / wireless communication 130 (S503).

6, the PC or the terminal 200 transmits a control signal for starting the breath measurement to the three-channel breathing apparatus 100 when the operation by the user is the start of breath measurement (S600).

The respiration amount transmitted from the three-channel respiration measurement apparatus 100 through the wired / wireless communication 210 is received (S601), and the received respiration amount is analyzed in real time through the stored signal analysis algorithm (S602) The lung volume, the lung volume, and the like, and displays the signal and analysis information on the screen (S603).

If the operation by the user is the breath measurement stop, the control signal for stopping the breath measurement is outputted to the 3-channel respiration measurement apparatus 100 (S604).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Therefore, the scope of the present invention should not be limited by the illustrated embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

100: 3-channel breathing measuring apparatus 110:
120: signal processing unit 130: wired / wireless communication unit
140: Power unit 200: PC or terminal
210: wire / wireless communication unit 220: precision analysis unit
230: Display and control unit

Claims (20)

A sensing unit including three breathing sensors and measuring respiration of a person through each respiration sensor corresponding to each of the body parts divided into three sections from the chest to the abdomen; And
A signal processing unit for analyzing the three respiration signals sensed by the always-sensing unit based on a pre-stored signal analysis algorithm and calculating the respiration amount of the person
Wherein the three-channel respiration measuring device comprises: The method according to claim 1,
The sensing unit is formed in a belt or a bag shape divided into three zones,
Each of the respiration sensors is built in correspondence to each zone of the belt or the abdomen. When the belt or the abdomen is worn by a person, the respiration sensors are closely contacted with each of the body parts divided into three sections from the chest to the abdomen of the person, Measuring the pressure applied according to the respiration by each body part to sense the respiration signal
3 channel breathing measuring device. The signal processing apparatus according to claim 1,
A channel-specific amplifying and filtering unit for filtering and amplifying the three respiration signals sensed by the respiration sensors; And
And an MCU for converting the three respiration signals filtered and amplified into digital signals and analyzing the three respiration signals converted into digital signals through the previously stored signal analysis algorithm to calculate the respiration amount of the human being
3 channel breathing measuring device. 4. The apparatus of claim 3,
An ADC for converting the three respiration signals filtered and amplified into digital signals; And
A three-channel integrated analysis algorithm unit for analyzing the three respiration signals converted into digital signals through the pre-stored signal analysis algorithm to calculate a respiration amount of the person,
The three-channel integrated analysis algorithm part may include storing the signal analysis algorithm
3 channel breathing measuring device. The method according to claim 1,
Wherein the signal analysis algorithm measures the lung capacity, lung volume and lung capacity of the person, collects the three breathing signals (three channel data) sensed by each respiration sensor, and correlates the measured data with the collected data If the relationship is derived through linear regression or neural network analysis, then it is generated and stored based on the derived correlation
3 channel breathing measuring device. The method according to claim 1,
A breathing level monitoring unit for displaying a breathing amount of the person calculated by the signal processing unit; And
A wired / wireless communication unit for transmitting the respiration amount of the person calculated by the signal processing unit to a PC or a terminal through one of Bluetooth, UART, and ZigBee;
Wherein the three-channel respiration measuring device further comprises: The method according to claim 6,
When the control signal received through the wired / wireless communication unit is the start of breath measurement, the breath measurement operation is started. When the received control signal is the breath measurement stop, the breath measurement operation is stopped
3 channel breathing measuring device. It includes three breathing sensors. It detects human breathing through each breathing sensor that corresponds to each part of the body divided into three sections from the chest to the abdomen. Based on the stored signal analysis algorithm, it detects three respiration signals A 3-channel respiration measurement device for calculating the respiration amount of the person by analyzing and transmitting the calculated respiration amount; And
Stored breath analyzing algorithm including at least one of a respiration cycle analysis algorithm, a lung volume analysis algorithm, and a lung capacity analysis algorithm, analyzing the respiration-related information of the person on the basis of the received breath volume, A PC or a terminal displaying respiration-related information including at least one of a respiration cycle of a person, a lung volume, and a lung volume
3-channel breathing measurement system. 9. The method according to claim 8,
A wired / wireless communication unit for receiving the breathing amount of the person transmitted from the 3-channel breathing measurement apparatus by any one of Bluetooth, UART, and Zigbee;
A precision analyzer for analyzing respiration-related information of the person in real time using the previously stored signal analysis algorithm based on the respiration amount of the person; And
And displays the respiration-related information of the person analyzed by the precision analyzer, and displays the start and stop of measurement of the three-channel respiration measurement device in the wired / And a display and a control unit
In-channel breathing measurement system. 9. The method of claim 8,
The PC or the terminal transmits a control signal to the 3-channel respiration measurement apparatus according to a user operation,
Outputting the control signal for starting breath measurement when the operation by the user is the start of breath measurement and outputting the control signal for stopping breath measurement when the operation by the user is stop of breath measurement
In-channel breathing measurement system. Detecting respiration of a person through three breathing sensors in close contact with each of the body parts divided into three sections from the chest to the abdomen; And
Analyzing the three sensed breathing signals based on a pre-stored signal analysis algorithm and calculating the respiration amount of the person
Wherein the three-channel respiration measurement device includes a plurality of sensors. 12. The method of claim 11,
Each breath sensor is built in correspondence to each zone of the belt or the belly divided into three zones and corresponds to each part of the body divided into three sections from the person's breast to the belly when the belt or the belly is worn by a person And,
Wherein the sensing comprises:
And sensing the respiratory signal by measuring pressure applied in response to respiration by each of the body parts in close contact with each other
3-channel breathing apparatus. 12. The method according to claim 11,
Filtering and amplifying the three respiration signals sensed by each respiration sensor; And
And converting the three filtered and amplified respiration signals into digital signals and analyzing the three respiration signals converted into digital signals through the previously stored signal analysis algorithm to calculate the respiratory volume of the human being
3-channel breathing apparatus. 12. The method of claim 11,
Wherein the signal analysis algorithm derives a correlation between measured lung capacity, lung volume and lung capacity of the person and the three respiration signals (3-channel data) sensed by the respiration sensors through linear regression analysis or neural network analysis , Then it is created and stored based on the derived correlation
3-channel breathing apparatus. 12. The method of claim 11,
Displaying the calculated respiratory volume of the person; And
Transmitting the calculated amount of the human's breath to the PC or the terminal through any one of Bluetooth, UART, and ZigBee
Further comprising the steps of: 16. The method of claim 15,
Initiating a respiration measurement operation when the control signal received via any one of Bluetooth, UART, and Zigbee is a breath measurement start; And
Stopping the breath measurement operation when the received control signal is a breath measurement stop
Further comprising the steps of: Detecting respiration of a person through three breathing sensors in close contact with each of the body parts divided into three sections from the chest to the abdomen;
Analyzing the three sensed breathing signals based on a pre-stored signal analysis algorithm to calculate and transmit the respiration amount of the person; And
Analyzing the respiration-related information of the person in real time using at least one of the previously stored respiration cycle analysis algorithm, the lung volume analysis algorithm, and the lung capacity analysis algorithm based on the received breath amount, and analyzing the respiration cycle, And lung capacity, the breathing-related information including at least one of
Wherein the method comprises the steps of: 18. The method of claim 17,
Receiving the person's breathing volume with either Bluetooth, UART or ZigBee;
Analyzing the respiration-related information of the person in real time using at least one of a previously stored respiration cycle analysis algorithm, a lung volume analysis algorithm, and a lung capacity analysis algorithm based on the received breath volume; And
Displaying the respiration amount of the received person, and displaying respiration related information of the person analyzed
A method of operating the in-channel breathing measurement system. 18. The method of claim 17,
Wherein the signal analysis algorithm, the respiration cycle analysis algorithm, the lung volume analysis algorithm, and the lung capacity analysis algorithm determine the lung capacity, the lung volume, and the lung capacity of the person and the three respiration signals ) Are derived through linear regression or neural network analysis and are generated and stored based on the derived correlations
A method of operating the in-channel breathing measurement system. 18. The method of claim 17,
The three respiration sensors correspond to each of the divided body parts divided into three sections from the chest to the abdomen, and the respiration of each body part is measured
A method of operating the in-channel breathing measurement system.

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