CN215690740U - Exhaust device for recovering waste gas of breathing machine - Google Patents
Exhaust device for recovering waste gas of breathing machine Download PDFInfo
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- CN215690740U CN215690740U CN202121709583.7U CN202121709583U CN215690740U CN 215690740 U CN215690740 U CN 215690740U CN 202121709583 U CN202121709583 U CN 202121709583U CN 215690740 U CN215690740 U CN 215690740U
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Abstract
The utility model provides an exhaust device for a respirator to recover waste gas, which comprises a first exhaust hose connected with a flow sensor connector inside a respirator body, a second exhaust hose connected with a negative pressure air extractor, and a buffer device arranged between the first exhaust hose and the second exhaust hose. According to the exhaust device, the buffer device is arranged between the first exhaust hose and the second exhaust hose, so that gas backflow can be avoided, the detection is correct, and frequent alarm of a breathing machine is prevented; in addition, air exhaled by the patient enters the buffer device through the first exhaust hose and is temporarily stored by the buffer device, so that gas backflow is avoided; then under the action of the negative pressure air extractor, the air is extracted by the second exhaust hose for centralized treatment, thereby avoiding the air pollution of the ward and ensuring the safety of medical care personnel.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to an exhaust device for recovering waste gas of a breathing machine.
Background
Respiratory support is one of the most critical means to save lives of urgent and critical patients, and thus, ventilators have become indispensable apparatuses in clinical care and are increasingly widely used in the fields of emergency treatment, anesthesia, ICU, and respiratory therapy. The respirator is a device which can replace, control or change the normal physiological respiration of a person, increase the ventilation capacity of the lung, improve the respiratory function, reduce the respiratory consumption and save the heart reserve capacity.
However, in the existing ventilator on the market, the gas exhaled by the patient can be directly exhausted into the ward through the exhalation end of the ventilator, so that not only the air environment in the ward is deteriorated, but also some patients may have undetected infectious diseases, such as tuberculosis, and the like, and the direct exhaust of the gas exhaled by the patients into the ward can threaten the health of medical staff. The exhaust flow sensor of the breathing machine is connected with the negative pressure air suction opening through the exhaust pipe, so that the air exhaled by a patient can be pumped out and uniformly processed, but if the exhaust pipe is directly connected with the negative pressure air suction opening, the patient can easily cause air backflow due to the fact that the exhaust gas can not be effectively discharged in a pipeline instantly when the patient exhales, and therefore monitoring errors and frequent alarming of the breathing machine are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of providing an exhaust device for recovering waste gas of a breathing machine, wherein a buffer device is arranged between a first exhaust hose and a second exhaust hose of the exhaust device, so that gas backflow can be avoided, the detection is ensured to be correct, and frequent alarm of the breathing machine is prevented; in addition, air exhaled by the patient enters the buffer device through the first exhaust hose and is temporarily stored by the buffer device, so that gas backflow is avoided; then under the action of the negative pressure air extractor, the air is extracted by the second exhaust hose for centralized treatment, thereby avoiding the air pollution of the ward and ensuring the safety of medical care personnel.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides an exhaust apparatus for breathing machine retrieves waste gas, includes the first exhaust hose with the inside flow sensor connector mouth of breathing machine body connection, the second exhaust hose of being connected with negative pressure air exhaust device and set up the buffer between first exhaust hose and second exhaust hose.
In the technical scheme, the buffer device is used as a middle buffer component for temporarily storing the gas in the first exhaust hose, so that the gas can be normally exhausted from the first exhaust hose; gas backflow can be avoided, correct detection is guaranteed, and frequent alarm of a breathing machine is prevented; in addition, in the exhaust device, air exhaled by the patient enters the buffer device through the first exhaust hose and is temporarily stored by the buffer device, so that the backflow of the air is avoided; then under the action of the negative pressure air extractor, the air is extracted by the second exhaust hose for centralized treatment, thereby avoiding the air pollution of the ward and ensuring the safety of medical care personnel.
Further, the buffer device is made of a transparent plastic bag, and the left end and the right end of the buffer device are fixedly provided with connecting pipe ends used for being connected with an exhaust hose.
Further, the connecting pipe end includes integrative first connecting pipe and the second connecting pipe that sets up, the second connecting pipe sets up in buffer's inside and sets up towards its inboard, first connecting pipe sets up in buffer's outside, buffer's tip cover establish on the second connecting pipe and with the sealed fixed connection of second connecting pipe.
Furthermore, the first connecting pipes of the two connecting pipe ends are fixedly connected with the first exhaust hose and the second exhaust hose respectively, and the inner diameter of the first connecting pipes is smaller than that of the second connecting pipes.
Further, the pipe inner diameter of the first connecting pipe is cm, and the pipe inner diameter of the second connecting pipe is cm.
Further, the first and second exhaust hoses are made of a material that is easily expandable.
Further, the first exhaust hose and the second exhaust hose are made of silica gel.
Furthermore, the bottom of the middle position of the buffer device is fixedly connected with a liquid collecting hopper, and the bottom of the liquid collecting hopper is in threaded connection with a water collecting bottle.
Furthermore, the bottom of the water collecting bottle is provided with a delivery pipe, and the delivery pipe is provided with a water outlet valve.
The utility model has the advantages and positive effects that:
1. according to the exhaust device, the buffer device is arranged between the first exhaust hose and the second exhaust hose, so that gas backflow can be avoided, the detection is correct, and frequent alarm of a breathing machine is prevented; in addition, air exhaled by the patient enters the buffer device through the first exhaust hose and is temporarily stored by the buffer device, so that gas backflow is avoided; then under the action of the negative pressure air extractor, the air is extracted by the second exhaust hose for centralized treatment, thereby avoiding the air pollution of the ward and ensuring the safety of medical care personnel.
2. In the utility model, the two ends of the buffer device are both provided with the connecting pipe ends, and the pipe diameter of the first connecting pipe for connecting with the exhaust hose is smaller than that of the second connecting pipe positioned in the buffer device, so that the resistance of gas entering the buffer device is small when the gas exhales, and the normal flow of the gas is ensured.
3. In the utility model, the liquid collecting hopper is arranged at the bottom of the middle position of the buffer device and connected with the water collecting bottle, so that liquid formed by condensing internal gas can be conveniently collected, and backflow is prevented.
Drawings
FIG. 1 is a broken away view of an exhaust device for a ventilator that recovers exhaust gases in accordance with the present invention;
FIG. 2 is a schematic diagram of the overall structure of an exhaust device for a ventilator to recover exhaust gases according to the present invention;
FIG. 3 is a top view of an exhaust for a ventilator that recovers exhaust gases in accordance with the present invention;
FIG. 4 is an enlarged view of the structure A of FIG. 3;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a cross-sectional view of a damper in an exhaust system for a ventilator that recovers exhaust gases in accordance with the present invention;
in the figure:
1-a ventilator body;
2-a first exhaust hose;
3-negative pressure air extracting device;
4-a second exhaust hose;
5-a buffer device;
6-connecting pipe end, 61-first connecting pipe, 62-second connecting pipe;
7-a liquid collecting hopper;
8-water collecting bottle, 81-leading-out pipe, 82-water outlet valve.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Example (b):
referring to fig. 1 to 3, the present embodiment provides an exhaust apparatus for recovering exhaust gas of a ventilator, including a first exhaust hose 2 connected to a flow sensor connector inside a ventilator body 1, a second exhaust hose 4 connected to a negative pressure suction device 3, and a buffer device 5 disposed between the first exhaust hose 2 and the second exhaust hose 4. In the device, the buffer device 5 is used as an intermediate buffer component for temporarily storing the gas in the first exhaust hose 2, so that the gas can be normally exhausted from the first exhaust hose 2; gas backflow can be avoided, correct detection is guaranteed, and frequent alarm of a breathing machine is prevented; in addition, in the exhaust device, the air exhaled by the patient enters the buffer device 5 through the first exhaust hose 2, and is temporarily stored by the buffer device 5, so that the backflow of the air is avoided; then, under the action of the negative pressure air extractor 3, the air is extracted by the second exhaust hose 4 for centralized treatment, thereby avoiding the air pollution of the ward and ensuring the safety of medical care personnel.
Referring to fig. 4 to 6, in the present embodiment, the buffer 5 is made of a transparent plastic bag, and the left and right ends thereof are fixedly provided with connection pipe ends 6 for connection with the exhaust hose. The buffer device 5 is made of a transparent plastic bag, the resistance to be overcome when the buffer device swells is small, the buffer device is convenient to normally contain gas, and in addition, the transparent state is convenient for personnel to observe the states of internal inflation and bottom condensed water, so that the internal gas is convenient to discharge. The provision of the connecting tube ends 6 facilitates the secure connection of the damping device 5 to the first exhaust hose 2 and the second exhaust hose 4.
The connecting pipe end 6 comprises a first connecting pipe 61 and a second connecting pipe 62 which are integrally arranged, the second connecting pipe 62 is arranged inside the buffer device 5 and is arranged towards the inner side of the buffer device, the first connecting pipe 61 is arranged outside the buffer device 5, and the end part of the buffer device 5 is sleeved on the second connecting pipe 62 and is fixedly connected with the second connecting pipe 62 in a sealing manner. The first connecting pipe 61 of the two connecting pipe ends 6 is fixedly connected with the first exhaust hose 2 and the second exhaust hose 4 respectively, and the pipe inner diameter of the first connecting pipe 61 is smaller than that of the second connecting pipe 62. The first connecting pipe 61 is used for fixedly connecting the first exhaust hose 2 and the second exhaust hose 4; second connecting pipe 62 inserts in buffer 5's inside, and its pipe diameter is greater than the pipe diameter of first connecting pipe 61, when the inside air of buffer 5 was taken away, its plastic bag is flat state, when the gas of patient's exhalation discharges buffer 5 through first blast pipe 2, need blow it open, and then need overcome the resistance, it is great with second connecting pipe 62's pipe diameter design, be convenient for blow up the plastic bag, thereby store gas, reduce the resistance, can prevent the phenomenon that gas flows back because of the resistance. Specifically, the pipe inner diameter of the first connection pipe 61 is designed to be 2cm, and the pipe inner diameter of the second connection pipe 62 is designed to be 5 cm.
In the present embodiment, the first exhaust hose 2 and the second exhaust hose 4 are made of a material that is easily expanded. Specifically, the first exhaust hose 2 and the second exhaust hose 4 are made of silicone rubber. Make first exhaust hose 2 with the material that easily expands, when being convenient for the patient breathes excessively, prevent because of the phenomenon of the untimely production backward flow of disposable discharge, the gas of exhalation is carried along first exhaust hose 2 under the effect of its impulsive force, and when gaseous when more, the inflation of 2 atress of first exhaust hose is convenient for transmit more gas once for gas normally flows in first exhaust hose 2.
In this embodiment, the bottom of the middle position of the buffer device 5 is fixedly connected with a liquid collecting bucket 7, and the bottom of the liquid collecting bucket 7 is connected with a water collecting bottle 8 through threads. Be provided with collection liquid bucket 7 and water-collecting bottle 8 and be used for collecting the comdenstion water, contain the heat in the gas of patient's exhalation, after it receives cold, can produce the comdenstion water along with the increase of live time, the comdenstion water is concentrated in buffer 5's bottom according to its gravity, later flows into and gets into in the collection liquid bucket 7 and collect in water-collecting bottle 8 to prevent that the comdenstion water from flowing back in first blast pipe 2 or second blast pipe 4, and cause the instrument trouble.
In this embodiment, a delivery pipe 81 is disposed at the bottom of the water collecting bottle 8, and a water outlet valve 82 is disposed on the delivery pipe 81. The delivery pipe 81 and the water outlet valve 82 are arranged, so that the delivery pipe 81 can be controlled to discharge water through the water outlet valve 82 at any time, the water in the water collecting bottle 8 can be discharged, and the continuous use is ensured.
When the utility model is used:
the patient enters into buffer 5 through first exhaust hose 2 by the gas of breathing machine main part 1 exhalation and keeps in, later extracts by negative pressure air exhaust device 3 and enters into negative pressure air exhaust device 3 through second exhaust hose 4 and is concentrated by the discharge port discharge wherein and handle, and the device can avoid the air in the gaseous pollution patient ward to guarantee medical staff's safety, not infected. In addition, a buffer device is arranged between the first exhaust hose and the second exhaust hose, so that gas backflow can be avoided, the detection is ensured to be correct, and frequent alarm of a breathing machine is prevented; the normal operation and use of the breathing machine are ensured.
The state of the gas storage inside can be judged through the swelling state of the buffer device 5, so that the negative pressure air exhaust device 3 can be controlled to exhaust air conveniently. The water condensed in the buffer device 5 enters the water collecting bottle 8 from the liquid collecting hopper 7 at the bottom for collection and storage, so that the condensed water is prevented from flowing back to damage the instrument.
While specific embodiments of the present invention have been described in detail, the description is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides an exhaust apparatus for breathing machine retrieves waste gas, its characterized in that includes first exhaust hose (2) with the inside flow sensor connector mouth of breathing machine body (1), second exhaust hose (4) of being connected with negative pressure air exhaust device (3) and sets up buffer (5) between first exhaust hose (2) and second exhaust hose (4).
2. The exhaust apparatus for ventilator recovery exhaust of claim 1, wherein: the buffer device (5) is made of a transparent plastic bag, and the left end and the right end of the buffer device are fixedly provided with connecting pipe ends (6) used for being connected with an exhaust hose.
3. An exhaust device for a ventilator to recover exhaust gases according to claim 2, wherein: connecting tube end (6) are including integrative first connecting pipe (61) and the second connecting pipe (62) that sets up, second connecting pipe (62) set up in the inside of buffer (5) and set up towards its inboard, first connecting pipe (61) set up in the outside of buffer (5), the tip cover of buffer (5) is established on second connecting pipe (62) and with the sealed fixed connection of second connecting pipe (62).
4. An exhaust device for a ventilator to recover exhaust gases according to claim 3, wherein: the first connecting pipes (61) of the two connecting pipe ends (6) are respectively and fixedly connected with the first exhaust hose (2) and the second exhaust hose (4), and the inner diameters of the first connecting pipes (61) are smaller than that of the second connecting pipes (62).
5. The exhaust apparatus for ventilator recovery exhaust of claim 4, wherein: the pipe inner diameter of the first connecting pipe (61) is 2cm, and the pipe inner diameter of the second connecting pipe (62) is 5 cm.
6. The exhaust apparatus for ventilator recovery exhaust of claim 1, wherein: the first exhaust hose (2) and the second exhaust hose (4) are made of a material that is easily expandable.
7. The exhaust apparatus for ventilator recovery exhaust of claim 6, wherein: the first exhaust hose (2) and the second exhaust hose (4) are made of silica gel.
8. An exhaust device for a ventilator to recover exhaust gases according to claim 1 or 2, characterised in that: the bottom of the middle position of the buffer device (5) is fixedly connected with a liquid collecting hopper (7), and the bottom of the liquid collecting hopper (7) is in threaded connection with a water collecting bottle (8).
9. The exhaust apparatus for ventilator recovery exhaust of claim 8, wherein: the bottom of the water collecting bottle (8) is provided with a delivery pipe (81), and the delivery pipe (81) is provided with a water outlet valve (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709583.7U CN215690740U (en) | 2021-07-26 | 2021-07-26 | Exhaust device for recovering waste gas of breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709583.7U CN215690740U (en) | 2021-07-26 | 2021-07-26 | Exhaust device for recovering waste gas of breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215690740U true CN215690740U (en) | 2022-02-01 |
Family
ID=79989407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121709583.7U Active CN215690740U (en) | 2021-07-26 | 2021-07-26 | Exhaust device for recovering waste gas of breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215690740U (en) |
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2021
- 2021-07-26 CN CN202121709583.7U patent/CN215690740U/en active Active
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