CN112169101A - Medicine atomization system of respiratory support equipment and control method - Google Patents
Medicine atomization system of respiratory support equipment and control method Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
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Abstract
The invention discloses a medicine atomization system of a respiratory support device and a control method, the medicine atomization system comprises a respiratory support device host, an air inlet pipeline, a pressure sensor for detecting the pressure value of the air inlet pipeline and a medicine atomizer, wherein: the breathing support equipment host comprises a processor, a pressure sensor is used for detecting the pressure value of the air output from the breathing support equipment host to an air inlet pipeline in real time, the pressure sensor is in communication connection with the processor, the processor controls the medicine atomizer to be opened or stopped according to the breathing state of a user side through the pressure value of the air inlet pipeline detected by the pressure sensor, and a pressure sampling port of the pressure sensor is close to the medicine atomizer. When the user side was the state of breathing in, the spout of medicine atomizer was closed according to the state of breathing in of user to the treater, and medicine atomizer stop work prevents that medicine atomizer from improving the atomizing medicine utilization ratio outside the gas discharge of air inlet pipe way, reduces the atomizing medicine extravagant.
Description
Technical Field
The invention belongs to the technical field of respiratory humidification equipment, and particularly relates to a medicine atomization system of respiratory support equipment and a control method.
Background
In clinical applications, a respiratory support device such as a noninvasive ventilator or a respiratory support device such as a high-flow noninvasive humidifying respiratory therapy device is often used in combination with a drug atomizer. The respiratory humidification therapeutic apparatus continuously outputs gas in a constant flow working mode; however, when the user exhales, the output gas of the respiratory humidification therapeutic apparatus is discharged out of the user body, and the atomized medicine is wasted. When the existing respiratory humidification therapeutic apparatus is used in combination with a medicine atomizer, the respiratory humidification therapeutic apparatus controls air supply, the atomizer controls medicine atomization amount, and the two work mutually and respectively. The respiratory humidification therapeutic apparatus does not detect the respiratory state of the user, namely, the user supplies air to the user in a constant flow mode regardless of the breathing or inspiration of the user, so that most of the atomized medicine is inhaled into the body of the user when the user inhales, and the aim of enabling the atomized medicine to enter the body of the user is fulfilled. But when the user exhales, the atomized medicine is discharged to the outside of the user body through the pipeline and is not absorbed by the user, so that the atomized medicine is wasted, and the utilization rate of the atomized medicine is low.
Chinese patent application CN209270529U discloses a department of respiration uses respiratory device that atomizes, and the device is including supplying medicine unit, monitoring unit and the control unit, supplies medicine unit to include the atomizer, and the monitoring unit includes pressure sensor, and pressure sensor wears through wearing the unit and closes close to in human thorax department. Through the change of thorax when pressure sensor monitoring patient exhales and breathes in, realize that the liquid medicine that atomizes stops to derive when the patient exhales, prevent that the gas of patient's exhalation from mixing with the liquid medicine that atomizes, improve the absorption utilization ratio of liquid medicine that atomizes. But the pressure sensor of the device sets up in the outside of breathing pipe, and the change trend of pressure is monitored through the change of thorax expansion or reduction, and then the state of response respiration, easily receives the environmental impact, and it is on the low side to detect the precision, leads to the absorption utilization ratio of atomizing liquid medicine on the low side.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a medicine atomization system of a respiratory support device and a control method thereof, aiming at solving the problem of low utilization rate of atomized liquid medicine of the conventional respiratory humidification therapeutic apparatus.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a medicine atomization system of a respiratory support device, which comprises a respiratory support device host, an air inlet pipeline, a pressure sensor for detecting the pressure value of the air inlet pipeline and a medicine atomizer, wherein:
breathe support equipment host computer and include the treater, pressure sensor be used for real-time detection certainly breathe support equipment host computer output gas extremely the pressure value of air inlet pipe way, pressure sensor with treater communication connection, the treater passes through the pressure value control of air inlet pipe way that pressure sensor detected the medicine atomizer is opened or is stopped according to the respiratory state of user, pressure sensor's adopt the pressure mouth to be close to the medicine atomizer.
Furthermore, the medicine atomization system further comprises a relay and a power interface for supplying power to the relay, and the processor controls the relay to be powered on or powered off through the pressure value of the air inlet pipeline detected by the pressure sensor, so that the medicine atomizer is controlled to be started or stopped.
Further, the medicine atomization system further comprises a turbine and a flow sensor, the turbine is in communication connection with the processor through a turbine driving module, and the processor controls the turbine to reach a flow value required by the air inlet pipeline according to a detection value of the flow sensor.
The invention also provides a medicine atomization control method of the respiratory support equipment, which comprises the following steps:
s1: initializing a breathing support device host and a processor; selecting an air supply mode according to a preset medicine atomization mode, and setting air supply flow;
s2: the air inlet pipeline reaches the set air supply flow; setting a standard pressure value P1 of a user end;
s3: delaying a preset time length N by the processor, detecting and acquiring a pressure value P2 of the air inlet pipeline again by the pressure sensor, and comparing the values of P1 and P2;
if P1 is greater than P2, the processor judges that the user side is in an inspiration state, the processor controls the medicine atomizer to be started, and the medicine atomizer provides medicine atomization for the user side;
if P1 is less than P2, the processor judges that the user side is in an exhalation state, the processor controls the medicine atomizer to stop, and the medicine atomizer stops providing medicine atomization for the user side;
s4: returning to step S3, the processor detects the respiratory state of the user end to control the continuous operation of the drug nebulizer.
Further, the preset drug aerosolization mode comprises an inhalation mode and an exhalation mode, wherein: setting the air pressure of the user side as P (t), wherein t is a time variable;
at the moment of the air suction state, the air pressure P (t) of the air inlet pipeline is smaller than the external atmospheric pressure; when the inspiration starts, the pressure P (t) of the air inlet pipeline is gradually increased from small to large; when the slope K of the pressure change curve is larger than 0, judging the air suction mode;
at the moment of the expiration state, the air pressure P (t) of the air inlet pipeline is greater than the external atmospheric pressure; when the expiration starts, the pressure P (t) of the air inlet pipeline is gradually increased from large to small; and when the slope K of the pressure change curve is less than 0, judging that the breathing mode is the breathing mode.
Further, according to predetermined medicine atomizing mode, select the air feed mode, set up air feed flow, include: respectively setting air supply flow according to an inspiration mode or an expiration mode; the air supply flow rate set in the air suction mode is larger than the air supply flow rate in the air suction mode.
Further, in the step S3,
the processor is electrified through a power interface of the relay to control the medicine atomizer to be started, and the medicine atomizer provides medicine atomization for the user side;
the treater passes through the power interface outage of relay, and control medicine atomizer stops, and medicine atomizer stops to provide medicine atomizing for the user.
Further, in the step S3: the preset time length N of the processor delay is 10 ms.
Further, in the step S2: the air inlet pipeline reaches the set air supply flow, and the method comprises the following steps:
the processor controls the rotating speed of the turbine to reach the set rotating speed through the turbine driving module, and provides set air supply flow for the air inlet pipeline.
The invention has the following beneficial effects:
according to the medicine atomization system of the respiratory support equipment, the pressure sensor detects the pressure change of the air inlet pipeline close to the medicine atomizer, and the processor calculates the respiratory state of the user side according to the pressure value acquired and detected by the pressure sensor in real time. When the user side is in the expiration state, the processor opens the nozzle of the medicine atomizer according to the expiration state of the user, and the medicine atomizer works. When the user side was the state of breathing in, the spout of medicine atomizer was closed according to the state of breathing in of user to the treater, and medicine atomizer stop work prevents that medicine atomizer from improving the atomizing medicine utilization ratio outside the gas discharge of air inlet pipe way, reduces the atomizing medicine extravagant.
According to the medicine atomization control method of the respiratory support equipment, the standard pressure value is set, and the respiratory state of the user side is judged by comparing the pressure value detected by the pressure sensor in real time with the standard pressure value. And controlling the medicine atomizer to start or stop according to the breathing state to complete the control of atomized medicine in one breathing state. And after the steps are executed, returning to the pressure ratio comparison step, and performing atomized medicine control in a breathing state again. The processor so cycles controls the continuous operation of the medication nebulizer.
Drawings
FIG. 1 is a schematic diagram of the configuration of a drug aerosolization system of the respiratory support apparatus of the present invention;
FIG. 2 is a block diagram of the drug aerosolization system of the present invention;
fig. 3 is a flow chart of a drug nebulization control method of a respiratory support apparatus of the present invention.
The reference numbers are as follows:
1. a respiratory support device host; 2. an air intake line; 3. a pressure sensor; 4. a medicament nebulizer; 5. a processor; 6. a relay; 61. a power interface; 7. a turbine; 8. a flow sensor; 9. a turbine drive module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the present invention provides a drug nebulization system of a respiratory support device, including a respiratory support device host 1, an air inlet pipeline 2, a pressure sensor 3 for detecting a pressure value of the air inlet pipeline 2, and a drug nebulizer 4, wherein:
breathe support equipment host 1 and include processor 5, pressure sensor 3 is used for real-time detection from breathing support equipment host 1 output gas to the pressure value of air inlet pipe way 2, and pressure sensor 3 and processor 5 communication connection, the pressure value control medicine atomizer 4 of air inlet pipe way 2 that processor 5 detected through pressure sensor 3 open or stop according to the respiratory state of user.
Specifically, the breathing support apparatus main body 1 includes a processor 5, and the processor 5 may be a microprocessor. The processor 5 includes a turbine speed processing unit and an arithmetic processing unit for controlling the turbine speed.
The pressure sensor 3 is arranged on the air inlet pipeline 2 and used for detecting the pressure value of the air inlet pipeline 2 so as to indicate the pressure value of the user side. The pressure sensor 3 is communicatively connected to the processor 5 via a digital or analog interface. The pressure sensor 3 detects and collects the pressure value of the air inlet pipeline 2 in real time, and sends the pressure value collected in real time to the algorithm processing unit of the processor 5.
In this embodiment, the pressure sampling port of the pressure sensor 3 is close to the medicine atomizer 4, so that the pressure indication precision of the detection and collection user side is improved. The medicament nebulizer 4 is provided with a medicament nebulizing nozzle and a conduit communicating with the user's respiratory system.
The medicine atomization system is provided with a pressure sensor 3, the pressure change of the air inlet pipeline 2 close to the medicine atomizer 4 is detected, and the processor 5 calculates the breathing state of the user side according to the pressure value acquired and detected by the pressure sensor 3 in real time. When the user side is in the exhalation state, the processor 5 opens the nozzle of the medicine atomizer 4 according to the exhalation state of the user, and the medicine atomizer 4 works. When the user side is the state of breathing in, the spout of medicine atomizer 4 is closed to treater 5 according to the state of breathing in of user, and medicine atomizer 4 stop work prevents that medicine atomizer 4 is external through the gas discharge of inlet line 2, improves the atomizing medicine utilization ratio, and it is extravagant to reduce the atomizing medicine.
As a further improvement of the above technical solution, the drug atomization system further includes a relay 6 and a power interface 61 for supplying power to the relay 6, and the processor 5 controls the relay 6 to be powered on or off through the pressure value of the air inlet pipeline 2 detected by the pressure sensor 3, thereby controlling the drug atomizer 4 to be turned on or stopped.
In this embodiment, the power interface 61 of the relay 6 is connected to a 220V voltage, and the processor 5 controls the relay 6 to be powered on or powered off according to the pressure value of the air inlet pipeline 2 detected by the pressure sensor 3. When the relay 6 is powered on, the nozzle of the medicine atomizer 4 is opened, and the medicine atomizer 4 works. When the relay 6 is powered off, the nozzle of the medicine atomizer 4 is closed, and the medicine atomizer 4 stops working.
In this embodiment, as a further improvement of the above technical solution, the medicine atomization system further includes a turbine 7 and a flow sensor 8, the turbine 7 is in communication connection with the processor 5 through a turbine driving module 9, and the processor 5 controls the turbine 7 to reach a flow value required by the air intake pipeline 2 according to a detection value of the flow sensor 8.
Specifically, the turbine drive module 9 is communicatively connected to the processor 5 via a digital or analog interface. The processor 5 drives the turbine 7 to rotate to the flow value required by the air inlet pipeline 2 by controlling the turbine driving module 9. When the medicine atomization system is started, a flow value is preset in the processor 5 in advance, and the processor 5 controls the turbine 7 to rotate to a rotating speed corresponding to the preset flow value.
Referring to fig. 3, the present invention also provides a medication aerosolization control method for a respiratory support apparatus, comprising:
s1: initializing a breathing support device host 1 and a processor 5; selecting an air supply mode according to a preset medicine atomization mode, and setting air supply flow;
specifically, when the respiratory support apparatus main unit 1 and the processor 5 are initialized, the drug atomization mode is preset in advance. And selecting an air supply mode according to the medicine atomization mode, and setting air supply flow corresponding to the air supply mode. In practical application, different modes are set by user according to individual difference of users.
Optionally, the mode one: different time periods, such as different time periods of morning, noon and evening, and time ranges corresponding to the different time periods are preset. And setting corresponding air supply flow according to different time ranges.
And a second mode: and customizing the air supply flow required by the current user side according to the individual difference of the user. If the sample data with good breathing state of different age groups is collected, the corresponding air supply flow is set according to the range of different age groups.
S2: the air inlet pipeline 2 reaches the set air supply flow; setting a standard pressure value P1 of a user end;
specifically, the air intake pipeline 2 achieves the set air supply flow, and the processor 5 controls the rotation speed of the turbine 7 to achieve the set rotation speed through the turbine driving module 9, so as to provide the set air supply flow for the air intake pipeline 2.
In this embodiment, the pressure sensor 3 has a pressure sampling port near the medication nebulizer 4. The pressure sensor 3 collects a certain pressure value P1 in real time as a standard pressure value according to the breathing state of the user terminal. And acquiring the standard pressure value in real time according to the individual difference of the user side, wherein the standard pressure value is closer to the actual situation of the user side.
Optionally, the breathing support apparatus host 1 and the processor 5 are initialized to be set by self according to individual differences of users. Different time periods, such as different time periods of morning, noon and evening, and time ranges corresponding to the different time periods are preset. Setting corresponding standard pressure values according to different time ranges; or, self-defining the standard pressure value of the current user according to the individual difference of the user. If the sample data with good breathing state of different age groups is collected, the corresponding standard pressure value is set according to the range of different age groups. And setting a standard pressure value P1 matched with the user condition according to the actual condition of the user terminal.
S3: the processor 5 delays the preset time length N, the pressure sensor 3 detects and collects the pressure value P2 of the air inlet pipeline 2 again, and the numerical values of P1 and P2 are compared;
if P1 is greater than P2, the processor 5 determines that the user side is in an inspiration state, the processor 5 controls the medicine atomizer 4 to be started, and the medicine atomizer 4 provides medicine atomization for the user side;
if P1 is less than P2, the processor 5 determines that the user terminal is in the exhalation state, the processor 5 controls the drug nebulizer 4 to stop, and the drug nebulizer 4 stops providing drug atomization for the user terminal;
in this embodiment, the processor 5 delays the preset time duration N to 10 ms. The pressure sensor 3 collects a pressure value P2 of the intake pipe 2. Sending the collected pressure value P2 to an algorithm comparison module of the processor 5, comparing the values of P1 and P2:
if the P1 is greater than the P2, the processor 5 judges that the user side is in an inspiration state, the processor 5 controls the relay to be powered on so as to control the medicine atomizer 4 to be started, and the medicine atomizer 4 provides medicine atomization for the user side;
if P1 is less than P2 time, processor 5 judges that the user is exhaling the state, and processor 5 cuts off the power supply through the control relay, and then control medicine atomizer 4 and stop, and medicine atomizer 4 stops to provide the medicine atomizing for the user, prevents that medicine atomizer 4 is external through the gas discharge of inlet line 2, improves atomizing medicine utilization ratio, and it is extravagant to reduce atomizing medicine.
S4: returning to step S3, the processor 5 detects the respiratory state of the user end and controls the drug nebulizer 4 to operate continuously.
In the above steps, the breathing state of the user terminal is determined by comparing the pressure values P1 and P2. And controlling the medicine atomizer 4 to be started or stopped according to the breathing state to complete the atomized medicine control in one breathing state. After the above steps are executed, the flow returns to step S3, and the medicine atomization control is performed in the respiratory state again. The processor 5 delays the preset time length N, the pressure sensor 3 detects and collects the pressure value of the air inlet pipeline 2 again, the numerical value comparison is carried out again, and the breathing state of the current user side is judged. And controlling the medicine atomizer 4 to be started or stopped according to the current breathing state of the user end. The processor 5 so cycles controls the medicament nebulizer 4 to continue operating.
In this embodiment, as a further improvement of the above technical solution, the preset drug nebulization mode includes an inhalation mode and an exhalation mode, wherein: setting the air pressure of the user side as P (t), wherein t is a time variable;
at the moment of the air suction state, the air pressure P (t) of the air inlet pipeline is smaller than the external atmospheric pressure; when the inspiration starts, the pressure P (t) of the air inlet pipeline is gradually increased from small to large; when the slope K of the pressure change curve is larger than 0, judging the air suction mode;
at the moment of the expiration state, the air pressure P (t) of the air inlet pipeline is greater than the external atmospheric pressure; when the expiration starts, the pressure P (t) of the air inlet pipeline is gradually increased from large to small; and when the slope K of the pressure change curve is less than 0, judging that the breathing mode is the breathing mode.
Specifically, when the user inhales, the air pressure p (t) in the lungs is lower than the external atmospheric pressure, the air in the air inlet duct 2 flows into the lungs of the user, and the pressure in the air inlet duct 2 decreases. At the beginning of inhalation, the air pressure in the air inlet pipe 2 is minimum, and the pressure value in the air inlet pipe 2 gradually increases from small to large along with the gradual rise of the air pressure inhaled by the air in the lung. At this time, the slope K of the pressure change curve is greater than 0, and it is determined that the patient is in an expiratory condition.
At the moment when the user switches to expiration, the air pressure p (t) in the lung is greater than the external atmospheric pressure, the air in the air inlet pipe 2 flows out of the body, the pressure in the air inlet pipe 2 is increased instantaneously, and the pressure in the air inlet pipe 2 is gradually reduced from large to small along with the expiration of the air in the lung. The processor 5 detects the pressure change in the intake duct 2 by the pressure sensor 3, and determines that the intake state is the intake state based on the slope K of the pressure change curve being less than 0.
In this embodiment, as a further improvement of the above technical solution, selecting an air supply mode according to a preset drug atomization mode, and setting an air supply flow rate includes:
respectively setting air supply flow according to an inspiration mode or an expiration mode; the air supply flow rate set in the air suction mode is larger than the air supply flow rate in the air suction mode.
Specifically, the air supply flow rate set in the air suction mode is set correspondingly according to the standard pressure value of the user terminal. The air feed flow who sets for during expiration mode tends to zero, and it is external to further prevent that medicine atomizer 4 from through the gas discharge of air inlet pipe way 2, improves atomizing medicine utilization ratio, and it is extravagant to reduce atomizing medicine.
In this embodiment, as a further improvement of the above technical solution, in step S3, the processor 5 is powered on through the power interface 61 of the relay 6 to control the drug nebulizer 4 to be turned on, and the drug nebulizer 4 provides drug atomization for the user end;
in step S3, the processor 5 powers off the power supply 61 of the relay 6 to control the medicine nebulizer 4 to stop, and the medicine nebulizer 4 stops providing medicine atomization for the user end.
The power interface 61 of the relay 6 is connected with 220V voltage, and the processor 5 controls the relay 6 to be electrified through the pressure value of the air inlet pipeline 2 detected by the pressure sensor 3. The power interface 61 of the relay 6 is electrified to control the nozzle of the medicine atomizer 4 to be opened, and the medicine atomizer 4 provides medicine atomization for the user side;
the processor 5 controls the relay 6 to be powered off through the pressure value of the air inlet pipeline 2 detected by the pressure sensor 3, the nozzle of the medicine atomizer 4 is closed, and the medicine atomizer 4 stops working.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a breathe medicine atomizing system of support equipment which characterized in that, includes breathe support equipment host computer, air inlet pipeline, is used for detecting pressure sensor and the medicine atomizer of air inlet pipeline pressure value, wherein:
the breathing support equipment host comprises a processor, the pressure sensor is used for detecting the pressure value of the air inlet pipeline from the breathing support equipment host output gas in real time, the pressure sensor is in communication connection with the processor, and the processor controls the medicine atomizer to be started or stopped according to the breathing state of a user side through the pressure value of the air inlet pipeline detected by the pressure sensor.
2. The drug atomization system of claim 1, further comprising a relay and a power interface for supplying power to the relay, wherein the processor controls the relay to be powered on or off through a pressure value of the air inlet pipeline detected by the pressure sensor, and further controls the drug atomizer to be started or stopped.
3. The drug atomization system of claim 1, further comprising a turbine and a flow sensor, wherein the turbine is in communication with the processor through a turbine drive module, and the processor controls the turbine to reach a flow value required by the air inlet pipeline according to a detection value of the flow sensor.
4. A method of controlling aerosolization of a medicament by a respiratory support apparatus, comprising:
s1: initializing a breathing support device host and a processor; selecting an air supply mode according to a preset medicine atomization mode, and setting air supply flow;
s2: the air inlet pipeline reaches the set air supply flow; setting a standard pressure value P1 of a user end;
s3: delaying a preset time length N by the processor, detecting and acquiring a pressure value P2 of the air inlet pipeline again by the pressure sensor, and comparing the values of P1 and P2;
if P1 is greater than P2, the processor judges that the user side is in an inspiration state, the processor controls the medicine atomizer to be started, and the medicine atomizer provides medicine atomization for the user side;
if P1 is less than P2, the processor judges that the user side is in an exhalation state, the processor controls the medicine atomizer to stop, and the medicine atomizer stops providing medicine atomization for the user side;
s4: returning to step S3, the processor detects the respiratory state of the user end to control the continuous operation of the drug nebulizer.
5. A method of controlling nebulization of a drug according to claim 4, wherein the preset modes of nebulization of a drug comprise an inhalation mode and an exhalation mode, wherein: setting the air pressure of the user side as P (t), wherein t is a time variable;
at the moment of the air suction state, the air pressure P (t) of the air inlet pipeline is smaller than the external atmospheric pressure; when the inspiration starts, the pressure P (t) of the air inlet pipeline is gradually increased from small to large; when the slope K of the pressure change curve is larger than 0, judging the air suction mode;
at the moment of the expiration state, the air pressure P (t) of the air inlet pipeline is greater than the external atmospheric pressure; when the expiration starts, the pressure P (t) of the air inlet pipeline is gradually increased from large to small; and when the slope K of the pressure change curve is less than 0, judging that the breathing mode is the breathing mode.
6. A method for controlling drug aerosolization according to claim 5, wherein selecting the air supply mode and setting the air supply flow rate according to a predetermined drug aerosolization mode comprises:
respectively setting air supply flow according to an inspiration mode or an expiration mode; the air supply flow rate set in the air suction mode is larger than the air supply flow rate in the air suction mode.
7. A drug atomization control method according to claim 4, wherein, in step S3,
the processor is electrified through a power interface of the relay to control the medicine atomizer to be started, and the medicine atomizer provides medicine atomization for the user side;
the treater passes through the power interface outage of relay, and control medicine atomizer stops, and medicine atomizer stops to provide medicine atomizing for the user.
8. The drug atomization control method according to claim 4, wherein in step S3: the preset time length N of the processor delay is 10 ms.
9. The drug atomization control method according to claim 4, wherein in step S2: the air inlet pipeline reaches the set air supply flow, and the method comprises the following steps:
the processor controls the rotating speed of the turbine to reach the set rotating speed through the turbine driving module, and provides set air supply flow for the air inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030401.3A CN112169101A (en) | 2020-09-27 | 2020-09-27 | Medicine atomization system of respiratory support equipment and control method |
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| CN114129842A (en) * | 2022-01-29 | 2022-03-04 | 广州国家实验室 | Pipeline assembly, air pressure detection module, atomization system, breathing machine and control method |
| WO2023143145A1 (en) * | 2022-01-29 | 2023-08-03 | 深圳摩尔雾化健康医疗科技有限公司 | Pipeline assembly, air pressure detection module, atomization system, and ventilator |
| WO2023143146A1 (en) * | 2022-01-29 | 2023-08-03 | 深圳摩尔雾化健康医疗科技有限公司 | Method for controlling nebulizer, electronic device, readable storage medium, and medical system |
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| CN114129842A (en) * | 2022-01-29 | 2022-03-04 | 广州国家实验室 | Pipeline assembly, air pressure detection module, atomization system, breathing machine and control method |
| WO2023143145A1 (en) * | 2022-01-29 | 2023-08-03 | 深圳摩尔雾化健康医疗科技有限公司 | Pipeline assembly, air pressure detection module, atomization system, and ventilator |
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