CN215741148U - Automatic control device for air bag pressure - Google Patents
Automatic control device for air bag pressure Download PDFInfo
- Publication number
- CN215741148U CN215741148U CN202121589017.7U CN202121589017U CN215741148U CN 215741148 U CN215741148 U CN 215741148U CN 202121589017 U CN202121589017 U CN 202121589017U CN 215741148 U CN215741148 U CN 215741148U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- shell
- control device
- pressure
- buffer tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model provides an automatic control device for air bag pressure, which is characterized by comprising the following components: the PCB comprises a shell and a PCB mainboard arranged in the shell; the PCB mainboard is electrically connected with a battery and a diaphragm pump; the air outlet end of the diaphragm pump is connected with the one-way valve through a pipeline, a branch pipeline is connected between the air outlet end and the one-way valve, and a safety valve is arranged on the branch pipeline; the output end of the one-way valve is connected with a buffer tank through a pipeline, and the buffer tank is connected with a luer connector through a pipeline; the buffer tank is connected with an air release valve through a pipeline; a pressure sensor is arranged between the buffer tank and the luer connector; the pressure sensor is electrically connected with the PCB mainboard. The automatic control device for the pressure of the air bag can perform pressure supplementing and air releasing operations on the air bag of the tracheal cannula.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a balloon pressure automatic control device.
Background
Currently, a balloon pressure monitoring device is generally used in the process of performing an endotracheal intubation operation on a patient. The prior art air bag pressure monitoring device can set a pressure range and control the pressure range to reach a set value. However, the airbag pressure monitoring equipment in the prior art can have micro-leakage situations of a safety valve, a one-way valve and an electromagnetic valve due to the structural characteristics of the equipment, so that the equipment repeatedly runs, cuts out a pressure curve with undulation, and has certain influence on the accuracy of the actual pressure monitoring situation; on the other hand, the micro-leakage condition of the valve may cause unstable gas pressure, which affects the patient's experience. In addition, doctors need to perform airway nursing such as sputum aspiration and temperature measurement on tracheal intubation patients at irregular time. When sputum is sucked, the sputum suction pipe can press the air bag under the general condition, so that the pressure of the air bag is too high or too low, and the pressure of the air bag is too high or too low due to other misoperation, so that the human body is damaged. During temperature measurement, medical personnel need the external equipment such as guardianship of volume to carry out the temperature measurement, increase medical personnel's work content.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide an automatic airbag pressure control device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic control device for air bag pressure, which is characterized by comprising the following components: the PCB comprises a shell and a PCB mainboard arranged in the shell; the PCB mainboard is electrically connected with a battery and a diaphragm pump; the air outlet end of the diaphragm pump is connected with the one-way valve through a pipeline, a branch pipeline is connected between the air outlet end and the one-way valve, and a safety valve is arranged on the branch pipeline; the output end of the one-way valve is connected with a buffer tank through a pipeline, and the buffer tank is connected with a luer connector through a pipeline; the buffer tank is connected with an air release valve through a pipeline; a pressure sensor is arranged between the buffer tank and the luer connector; the pressure sensor is electrically connected with the PCB mainboard.
The automatic airbag pressure control device provided by the utility model can also have the following characteristics: wherein, the PCB mainboard is provided with an alarm indicator lamp and an alarm loudspeaker in an electric connection way.
The automatic airbag pressure control device provided by the utility model can also have the following characteristics: the shell is formed by splicing a first shell and a second shell, and a buckle bulge is arranged in the second shell; a buckle groove is formed in the first shell; the buckle bulge is matched with the buckle groove in a clamping and splicing manner.
The automatic airbag pressure control device provided by the utility model can also have the following characteristics: the outer wall of the second shell is further provided with an external stud, and the mounting clamp is mounted on the second shell through bolt connection.
The automatic airbag pressure control device provided by the utility model can also have the following characteristics: wherein, still the electricity is connected on the PCB mainboard and is provided with temperature probe joint and pressure sensor joint.
The automatic airbag pressure control device provided by the utility model can also have the following characteristics: wherein, the air inlet end of the diaphragm pump is connected with an air inlet through a pipeline, and a filter is arranged on the pipeline between the air inlet end and the air inlet.
The utility model has the following functions and effects:
the automatic control device for the air bag pressure provides air supply power through the diaphragm pump, and realizes double protection by connecting the one-way valve and the safety valve in parallel in an output air path of the diaphragm pump, so that the leakage problem can be solved, and the service life of equipment is prolonged. The buffer tank is arranged in the pipeline between the one-way valve and the luer connector, so that the output airflow is relaxed, the air release valve is arranged, and the pressure is released under the condition of overhigh pressure, so that the gas input into the luer connector is relaxed, the overhigh pressure can not be generated, the pressure conflict of the air bag is avoided, and the misoperation caused by coughing of a patient is prevented. A pressure sensor is arranged between the deflation valve and the luer connector, so that the pressure of the output airflow of the pipeline can be monitored in real time. The automatic control device for the pressure of the air bag can perform pressure supplementing and air releasing operations on the air bag of the tracheal cannula, and prevent the phenomenon of over-inflation and over-release of the air bag.
In the automatic control device for the air bag pressure, the PCB main board is also electrically connected with the temperature probe connector and the pressure sensor connector, so that the temperature probe connector and the pressure sensor can be used for carrying out more diversified clinical nursing operations by using the externally connected temperature probe and the externally connected pressure sensor.
Drawings
FIG. 1 is a schematic structural diagram of an automatic control device for air bag pressure according to an embodiment of the present invention;
FIG. 2 is a block diagram of electrical and pneumatic connections in an embodiment of the present invention.
Reference numerals: a display screen 1; a first housing 2; a PCB main board 3; an alarm indicator lamp 4; a battery 5; a filter 6; a temperature probe connector 7; a pressure sensor connector 8; a luer fitting 9; a check valve 10; the diaphragm pump 11; an air inlet 12; a pressure sensor 13; a second housing 14; a bell mouth 15; a snap projection 16; an inner nut post 18; a safety valve 19; a mounting clip 20; a purge valve 21; a buffer tank 22.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings.
< example >
As shown in fig. 1 and 2, an automatic control device for air bag pressure includes: the PCB comprises a shell and a PCB mainboard arranged in the shell.
As shown in fig. 1, the housing is formed by splicing a first housing 2 and a second housing 14. The inside of first casing 2 is provided with the buckle recess, and the inside of second casing 14 is provided with buckle arch 16, and first casing 2 and second casing 14 cooperate the joint amalgamation through buckle arch 16 and buckle recess. The inside of second casing 14 is provided with inside nut post 18, has seted up the bolt hole on the PCB mainboard leads to, and PCB mainboard bolted connection fixes on second casing 14. The outer wall of the second housing 14 is provided with external studs and the mounting clip 20 is mounted on the second housing 14 by bolting. In use, the bladder pressure control device may be secured to another structure by the mounting clip 20.
The PCB mainboard 3 is provided with a battery 5 and a diaphragm pump 11 in an electrical connection manner. PCB mainboard 3 is fixed with air inlet 12 through the gluing, and air inlet 12 passes through tube coupling filter 6, and filter 6 passes through the inlet end of tube coupling diaphragm pump 11. The filter 6 filters the sucked air through a filter net or a filter membrane provided therein. The air outlet end of the diaphragm pump 11 is connected with a one-way valve 10 through a pipeline, a branch pipeline is connected between the air outlet end and the one-way valve 10, and a safety valve 19 is arranged on the branch pipeline. The pipeline of the output end of the one-way valve 10 is connected with a buffer tank 22, and the pipeline of the buffer tank 22 is connected with a luer 9. The luer connector 9 is used for connecting an air bag inflation port of the tracheal cannula and inflating the air bag. The buffer tank 11 is connected with a vent valve 21 through a pipeline. In this embodiment, the check valve 10 and the purge valve 21 are both solenoid valves, and are electrically connected to the PCB main board 3, respectively. The relief valve 19 is a pressure switch, preferably one that opens at 100cmH20 pressure. 1. A pressure sensor 13 is further arranged between the buffer tank 11 and the luer 9 for detecting the pressure of the air path, the pressure sensor 13 is electrically connected to the PCB main board 3, the pressure sensor 13 is a pressure sensor inside the housing and is dedicated for detecting the pressure condition of the input airflow of the luer 9, and the pressure sensor 13 may be, for example, a model NPC-100, a model NPC-120, or the like. The PCB main board 3 is also electrically connected with a memory and a comparator,
the memory is used for storing pressure signal data, and the comparator is used for comparing the pressure signal data.
The first casing 2 is provided with a mounting hole for the display screen 1, the display screen 1 is embedded in the mounting hole for the display screen 1, and the display screen 1 is electrically connected with the PCB mainboard 3.
The PCB mainboard 3 is electrically connected with an alarm indicator lamp 4 and an alarm loudspeaker. Correspondingly, the first housing 2 is provided with an indicator socket 22, and the second housing 14 is provided with a bell socket 15.
The air bag pressure automatic control device of the embodiment is used as follows: the air sac port of the tracheal cannula is connected with a luer connector 9. The power switch of the device is started, the diaphragm pump works to convey gas into the gas path, and the air bag of the tracheal cannula is inflated through the luer 9. The pressure sensor 13 monitors the pressure of the gas path in the inflation process, compares the monitored pressure value with the stored pressure value range, and supplements the pressure to the gas path through the diaphragm pump when the pressure is detected to be insufficient; when the pressure is detected to be too high, the exhaust and decompression are performed through the exhaust valve 13. When the pressure is too high or too low, the medical care personnel is prompted by lighting the lamp and giving an alarm by sound. This embodiment is through check valve and relief valve, bivalve gas circuit, solves because valve body self leaks the problem.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. An automatic control device for air bag pressure, comprising: the PCB comprises a shell and a PCB main board arranged in the shell;
the PCB mainboard is electrically connected with a battery and a diaphragm pump;
the air outlet end of the diaphragm pump is connected with a one-way valve through a pipeline, a branch pipeline is connected between the air outlet end and the one-way valve, and a safety valve is arranged on the branch pipeline;
the output end of the one-way valve is connected with a buffer tank through a pipeline, and the buffer tank is connected with a Ruhr joint through a pipeline;
the buffer tank is connected with a vent valve through a pipeline;
and a pressure sensor is arranged between the buffer tank and the Ruhr joint and is electrically connected with the PCB mainboard.
2. The automatic airbag pressure control device according to claim 1, characterized in that:
and the PCB mainboard is provided with an alarm indicator lamp and an alarm loudspeaker in an electric connection manner.
3. The automatic airbag pressure control device according to claim 1, characterized in that:
wherein the shell is formed by splicing a first shell and a second shell,
a buckle bulge is arranged inside the second shell;
a buckle groove is formed in the first shell;
the buckle protrusion is matched with the buckle groove in a clamping and splicing manner.
4. The automatic airbag pressure control device according to claim 3, characterized in that:
the outer wall of the second shell is further provided with an external stud, and the mounting clamp is mounted on the second shell through bolt connection.
5. The automatic airbag pressure control device according to claim 1, characterized in that:
the PCB mainboard is also electrically connected with a temperature probe connector and a pressure sensor connector.
6. The automatic airbag pressure control device according to claim 1, characterized in that:
the air inlet end of the diaphragm pump is connected with an air inlet through a pipeline, and a filter is arranged on the pipeline between the air inlet end and the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589017.7U CN215741148U (en) | 2021-07-13 | 2021-07-13 | Automatic control device for air bag pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589017.7U CN215741148U (en) | 2021-07-13 | 2021-07-13 | Automatic control device for air bag pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215741148U true CN215741148U (en) | 2022-02-08 |
Family
ID=80105043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121589017.7U Active CN215741148U (en) | 2021-07-13 | 2021-07-13 | Automatic control device for air bag pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215741148U (en) |
-
2021
- 2021-07-13 CN CN202121589017.7U patent/CN215741148U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11311690B2 (en) | Method and apparatus for evaluating an airway status | |
| CN203355067U (en) | Tracheostomy tube air bag pressure continuous monitoring control instrument used in cooperation with respirator | |
| CN215741148U (en) | Automatic control device for air bag pressure | |
| US10556076B2 (en) | Cuff pressure adjusting device | |
| CN211214846U (en) | Cuff trachea cannula device with from steady voltage | |
| CN112156305A (en) | Trachea cannula with cuff pressure automatic monitoring device | |
| CN208943165U (en) | A kind of pressure monitoring instrument with automatic inflation pump | |
| CN112156306B (en) | Trachea cannula for monitoring cuff pressure in real time | |
| CN108096675B (en) | Artificial airway leakage alarm | |
| CN212395588U (en) | Air bag pressure monitoring device | |
| CN211383295U (en) | Trachea cannula for respiratory medicine | |
| CN209204394U (en) | The closure bronchial cannula of dynamic monitoring balloon pressure | |
| CN201618311U (en) | Disposable lavage tube | |
| CN207412484U (en) | Double capsules replace inflation/deflation air-way management system | |
| CN220495014U (en) | Air supply assembly and blood pressure measuring device | |
| CN219369072U (en) | Tracheotomy sleeve pressure detection device | |
| CN215351326U (en) | Novel positive pressure ventilation device with operation function | |
| CN219662545U (en) | Gasbag inflation syringe for intubation of gas tube | |
| CN221061427U (en) | Tracheal catheter capable of monitoring cuff pressure in real time | |
| CN219481176U (en) | Oxygen inhalation pressure release alarm joint | |
| CN216294925U (en) | Trachea cannula with visual pressure inflatable bag | |
| CN214050097U (en) | Artificial airway | |
| CN212513521U (en) | Gas tightness detection device for chemical defense garment | |
| CN212187391U (en) | Tracheal catheter capable of monitoring pressure | |
| CN215309360U (en) | Oxygen gas source rapid conversion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |