CN223041936U

CN223041936U - A multi-purpose atomizer for tracheotomy patients

Info

Publication number: CN223041936U
Application number: CN202421431649.4U
Authority: CN
Inventors: 黄海东; 邓敏君; 张含笑; 黄紫楗
Original assignee: Guangdong Provincial Peoples Hospital
Current assignee: Guangdong Provincial Peoples Hospital
Priority date: 2024-06-21
Filing date: 2024-06-21
Publication date: 2025-07-01
Anticipated expiration: 2034-06-21

Abstract

The utility model relates to the technical field of medical devices, and discloses a multi-purpose nebulizer for tracheotomy patients, including a T-shaped connecting tube, a nebulizer cup and an oxygen connecting tube. The T-shaped connecting tube includes a first port, a second port, a first connecting tube, a third port and a second connecting tube. The first port, the first connecting tube and the second port are coaxially arranged, and the first port is connected to the second port through the first connecting tube. The first port includes a first outer ring interface and a first inner ring interface coaxially arranged, and the outer wall of the first inner ring interface is spaced apart from the inner wall of the first outer ring interface. The second port includes a second outer ring interface and a second inner ring interface coaxially arranged, and the outer wall of the second inner ring interface is spaced apart from the inner wall of the second outer ring interface. The third port is connected to the first connecting tube through the second connecting tube, and the second connecting tube is a corrugated tube. The top of the nebulizer cup is sealed and connected to the third port. The first end of the oxygen connecting tube is connected to the bottom of the nebulizer cup, and the second end is used to connect an oxygen source.

Description

Multipurpose atomizer for tracheotomy patient

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a multipurpose atomizer for a tracheotomy patient.

Background

Critical patients in intensive care units often need endotracheal intubation or tracheotomy to relieve dyspnea from various causes. Tracheotomy is a common procedure, and aerosol inhalation therapy is often required during the treatment process to dilute sputum, relieve airway cramps, or treat pulmonary infections.

The prior atomizer is used for atomizing and inhaling the patient through a respirator atomizer or an oxygen atomizing mask with an atomizing function module. Adopt rigid plastic pipe connection between breathing machine atomizer and the breathing machine pipeline, its length is shorter, can't angle regulation, and patient changes the position, and the atomizer body can't keep vertical state, and the liquid medicine spills easily, extravagant liquid medicine or causes patient's discomfort. The oxygen atomizing mask is atomized at the air suction inlet of the tracheotomy tube, the periphery of the mask is difficult to be tightly attached to the skin at the tracheotomy tube, atomized liquid medicine escapes from the mask, so that the atomization effect is poor, water drops are easily formed around the tracheotomy tube, skin is moist, and wound infection is caused. In addition, current breathing machine atomizer and oxygen atomizing face guard, in the in-process of in-service use, medical personnel aim at atomizing export and tracheotomy sheathed tube induction port for the convenience, often need the angle of slope atomizing cup, and at the in-process of slope, the liquid medicine is difficult to be attracted to nozzle department by the negative pressure that high-speed flowing air current formed when flowing and forms the medicine fog, causes the problem that the atomized liquid medicine of finally getting into the patient is not enough.

Meanwhile, in the actual application process, because the tracheotomy patient needs to use different auxiliary instruments in different treatment stages, for example, when the invasive breathing machine is assisted, the tracheotomy sleeve is generally connected with a breathing machine pipeline through a universal joint, when the standby breathing exercise is carried out, the tracheotomy sleeve is generally connected with a high-flow oxygen therapy instrument through a nasal obstruction pipeline (a nasal obstruction pipeline of the tracheotomy sleeve), and when the patient is stable in illness state or the tracheotomy is excessive before tube sealing, the tracheotomy can be connected with the breathing machine pipeline or a central oxygen supply position through the nasal obstruction pipeline (the nasal obstruction pipeline of the tracheotomy sleeve). However, these devices use different tubing connections, and the specifications of these tubing are different, so that the existing nebulizers cannot meet the needs of patient nebulization in the above situations at the same time.

Therefore, there is a need for a multipurpose atomizer for tracheotomy patients to solve the above problems.

Disclosure of utility model

The utility model aims to provide a multipurpose atomizer for a patient with tracheotomy, which meets the requirements of the patient with tracheotomy for atomization inhalation treatment by using different instruments and connecting pipelines with different specifications in the treatment process, and has the advantages of difficult liquid medicine sprinkling and good liquid medicine atomization effect.

In order to achieve the above object, the present utility model provides a multipurpose atomizer for tracheotomy patients, comprising:

The T-shaped connecting pipe comprises a first port, a second port, a first connecting pipe, a third port and a second connecting pipe, wherein the first port, the first connecting pipe and the second port are coaxially arranged, the first port is communicated with the second port through the first connecting pipe, the first port comprises a first outer ring interface and a first inner ring interface which are coaxially arranged, the outer wall of the first inner ring interface is arranged at intervals with the inner wall of the first outer ring interface, the second port comprises a second outer ring interface and a second inner ring interface which are coaxially arranged, the outer wall of the second inner ring interface is arranged at intervals with the inner wall of the second outer ring interface, the third port is communicated onto the first connecting pipe through the second connecting pipe, and the second connecting pipe is a corrugated pipe;

The top end of the atomizing cup is connected with the third port in a sealing way;

and the first end of the oxygen connecting pipe is connected to the bottom of the atomizing cup, and the second end of the oxygen connecting pipe is used for connecting an oxygen source.

As the improvement of above-mentioned technical scheme, it includes bowl cover, cup, nozzle, goes out fog pipe and nozzle cap, the bowl cover top with third port sealing connection, the bowl cover bottom end cover is located on the cup, and with cup sealing connection, the bottom of cup inner chamber is provided with to the nozzle that cup inner chamber upper portion extends, along from cup inner chamber bottom orientation the direction on cup inner chamber top, the cross-sectional dimension of nozzle inner chamber reduces gradually, go out fog pipe's top set firmly in the bowl cover, and with third port intercommunication, go out fog pipe the nozzle with the nozzle cap is all coaxial setting, the nozzle cap cover is located on the nozzle, the bottom of nozzle cap extends to the lower part of nozzle, and with the bottom interval setting of nozzle, the top of nozzle cap extends to go out the bottom of fog pipe inner chamber, just the outer wall butt of nozzle cap in go out the direction on cup inner chamber top, the nozzle cap with be provided with between the nozzle cap with the nozzle inner chamber with the bottom of nozzle inner chamber and go out the fog pipe intercommunication.

As an improvement of the technical scheme, the nozzle cap is made of elastic materials.

As the improvement of above-mentioned technical scheme, go out fog pipe includes first pipeline section and second pipeline section, the top of first pipeline section with the bowl cover links firmly, the top of second pipeline section with the bottom of first pipeline section links firmly, the bottom of second pipeline section with the top butt of nozzle cap, along from the direction at cup inner chamber bottom orientation cup inner chamber top, the cross-sectional size of second pipeline section inner chamber increases gradually, the second pipeline section be close to the pipe diameter of the one end of first pipeline section with the pipe diameter of first pipeline section is the same.

As an improvement of the above technical solution, the outer side of the nozzle is convexly provided with supporting ribs extending along the height direction of the nozzle, a plurality of supporting ribs are arranged at intervals along the circumferential direction of the nozzle, and the supporting ribs support the nozzle cap.

As an improvement of the technical scheme, the cup body is detachably connected with the cup cover.

As an improvement of the technical scheme, the medicine adding port is arranged on the cup cover, and a one-way communication structure is arranged in the medicine adding port.

As an improvement of the technical scheme, a first interface tube is arranged at the bottom end of the cup body, and the first interface tube is detachably connected with the first end of the oxygen connecting tube.

As an improvement of the technical scheme, the oxygen connecting pipe comprises a first connector, a hose and a second connector, wherein the first connector and the second connector are respectively and fixedly arranged at two ends of the hose, and the first connector is detachably connected with the first connector pipe.

As an improvement of the technical scheme, a second interface tube is arranged at the top end of the cup cover, and the second connecting pipeline is detachably connected with the third port.

Compared with the prior art, the utility model has the beneficial effects that:

According to the multipurpose atomizer for the tracheotomy patient, the first port and the second port of the T-shaped connecting pipe are connected through the first connecting pipe, the first port of the T-shaped connecting pipe comprises the first outer ring interface and the first inner ring interface which are coaxially arranged, the second port of the T-shaped connecting pipe comprises the second outer ring interface and the second inner ring interface which are coaxially arranged, and the first port and the second port are both provided with the double-ring interfaces, so that the first port and the second port of the T-shaped connecting pipe can be connected with two pipelines with different specifications, the requirements of atomizing inhalation treatment of the tracheotomy patient in the treatment process by using different instruments and connecting pipelines with different specifications are met, and the multipurpose atomizer for the tracheotomy patient can adapt to different use scenes and is wide in application. And, the third port of T type connecting pipe is connected to first connecting pipe through the second connecting pipe, and the atomizing cup is connected in the third port, through the flexible and bending property of bellows for when the multi-purpose atomizer of patient was cut to the gas pipe uses, medical personnel can adjust the angle of atomizing cup as required, makes the atomizing cup keep vertical as far as possible, has avoided the liquid medicine in the atomizing cup to spill, avoids the atomizing cup to take place the slope and leads to the liquid medicine in the atomizing cup to be difficult to by the negative pressure that the air current that flows at a high speed forms to attract to the nozzle department and form the problem of medicine fog.

Drawings

FIG. 1 is a schematic diagram of a multipurpose atomizer for tracheotomy patients according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a portion of the structure of a tracheotomy patient multipurpose atomizer provided in an embodiment of the utility model;

fig. 3 is an enlarged view at a in fig. 2.

In the figure:

1. T-shaped connecting pipes, 11, a first port, 111, a first outer ring interface, 112, a first inner ring interface, 12, a second port, 121, a second outer ring interface, 122, a second inner ring interface, 13, a first connecting pipe, 14, a third port, 15, a second connecting pipe;

2. The atomizing cup, 21, a cup cover, 211, a second interface tube, 212, a medicine adding port, 213, a one-way communication structure, 22, a cup body, 221, a first interface tube, 23, a nozzle, 231, a support rib, 24, a mist outlet tube, 241, a first tube section, 242, a second tube section, 25 and a nozzle cap;

3. The oxygen connecting pipe, 31, a first joint, 32, a hose, 33, a second joint;

10. and a flow passage.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1-2, a multipurpose atomizer for tracheotomy patients according to an embodiment of the utility model includes a T-shaped connection tube 1, an atomizing cup 2, and an oxygen connection tube 3. The T-shaped connecting pipe 1 comprises a first port 11, a second port 12, a first connecting pipe 13, a third port 14 and a second connecting pipe 15, wherein the first port 11, the first connecting pipe 13 and the second port 12 are coaxially arranged, the first port 11 is communicated with the second port 12 through the first connecting pipe 13, the first port 11 comprises a first outer ring interface 111 and a first inner ring interface 112 which are coaxially arranged, the outer wall of the first inner ring interface 112 is arranged at intervals with the inner wall of the first outer ring interface 111, the second port 12 comprises a second outer ring interface 121 and a second inner ring interface 122 which are coaxially arranged, the outer wall of the second inner ring interface 122 is arranged at intervals with the inner wall of the second outer ring interface 121, the third port 14 is communicated to the first connecting pipe 13 through the second connecting pipe 15, and the second connecting pipe 15 is a corrugated pipe. The top end of the atomizing cup 2 is connected with the third port 14 in a sealing way. The first end of the oxygen connecting pipe 3 is connected to the bottom of the atomizing cup 2, and the second end is used for connecting an oxygen source, which can be a central oxygen supply position or an atomizing port of a respirator.

The multipurpose atomizer for tracheotomy patient provided by this embodiment, the first port 11 and the second port 12 of the T-shaped connecting pipe 1 are connected through the first connecting pipe 13, the first port 11 of the T-shaped connecting pipe 1 includes the first outer ring interface 111 and the first inner ring interface 112 which are coaxially arranged, the second port 12 of the T-shaped connecting pipe 1 includes the second outer ring interface 121 and the second inner ring interface 122 which are coaxially arranged, the first port 11 and the second port 12 of the T-shaped connecting pipe 1 can be connected with two different pipelines, so that the T-shaped connecting pipe 1 can be connected with the incision cannula of the patient, the second port 12 is connected with the oxygen therapy equipment, the problem that atomized liquid medicine escapes from the mask due to the fact that the oxygen atomizing mask is directly covered at the tracheal port of the patient is avoided, and the multipurpose atomizer for tracheotomy patient can adapt to different use scenes through the first port 11 and the second port 12. And, the third port 14 of T type connecting pipe 1 is connected to first connecting pipe 13 through second connecting pipe 15, and atomizing cup 2 is connected in third port 14, through the flexible and buckling characteristics of bellows for when the multi-purpose atomizer of patient was cut to the gas pipe, medical personnel can adjust the angle of atomizing cup 2 as required, makes atomizing cup 2 keep vertical as far as possible, avoids atomizing cup 2 to take place the slope and leads to the liquid medicine in the atomizing cup 2 to be difficult to by the negative pressure that the air current that flows at a high speed forms to inhale the problem that forms the medicine fog in nozzle 23 department.

Meanwhile, the multipurpose atomizer for the tracheotomy patient provided by the embodiment can also meet the atomization requirements of other artificial trachea cannula patients (such as nasal cannula patients).

Alternatively, as shown in fig. 1-3, the atomizing cup 2 includes a cup cover 21, a cup 22, a nozzle 23, a mist outlet pipe 24 and a nozzle cap 25, wherein the top end of the cup cover 21 is in sealing connection with the third port 14, the bottom end cover of the cup cover 21 is arranged on the cup 22 and is in sealing connection with the cup 22, the bottom of the inner cavity of the cup 22 is provided with the nozzle 23 extending towards the upper part of the inner cavity of the cup 22, the bottom end of the inner cavity of the cup 22 points to the top end of the inner cavity of the cup 22, the cross-sectional dimension of the inner cavity of the nozzle 23 is gradually reduced, the top end of the mist outlet pipe 24 is fixedly arranged in the cup cover 21 and is communicated with the third port 14, the mist outlet pipe 24, the nozzle 23 and the nozzle cap 25 are coaxially arranged, the bottom end of the nozzle cap 25 is sleeved on the nozzle 23, the bottom end of the nozzle cap 25 extends to the lower part of the nozzle 23 and is arranged at intervals with the bottom end of the nozzle 23, the top end of the nozzle cap 25 extends to the bottom end of the inner cavity of the mist outlet pipe 24, the outer wall of the nozzle cap 25 is abutted against the inner wall of the mist outlet pipe 24, and a through-flow channel 10 communicating the bottom end of the inner cavity of the cup 22 with the inner cavity of the mist outlet pipe 24 is arranged between the nozzle 25 and the nozzle cap 23.

Further, the nozzle cap 25 is made of elastic material, so that the joint of the nozzle cap 25 and the mist outlet pipe 24 has good sealing effect, and the siphon effect at the outlet of the nozzle 23 is ensured.

Further, as shown in fig. 2 and 3, the outside of the nozzle 23 is convexly provided with support ribs 231 extending in the height direction of the nozzle 23, and a plurality of support ribs 231 are provided at intervals in the circumferential direction of the nozzle 23, the support ribs 231 supporting the nozzle cap 25. The supporting effect of the supporting ribs 231 on the nozzle cap 25 enables a gap to be formed between the inner wall of the nozzle cap 25 and the outer wall of the nozzle 23, so that the inner wall of the nozzle cap 25, the outer wall of the nozzle 23 and the adjacent two supporting ribs 231 enclose to form one through-flow channel 10. The plurality of support ribs 231 are provided at intervals along the circumferential direction of the nozzle 23, enabling the nozzle cap 25 to be stably supported, and enabling the plurality of through-flow passages 10 to be formed between the nozzle cap 25 and the nozzle 23.

Alternatively, as shown in fig. 1-3, the mist outlet pipe 24 includes a first pipe section 241 and a second pipe section 242, the top end of the first pipe section 241 is fixedly connected with the cup cover 21, the top end of the second pipe section 242 is fixedly connected with the bottom end of the first pipe section 241, the bottom end of the second pipe section 242 is abutted against the top end of the nozzle cap 25, the cross-sectional dimension of the inner cavity of the second pipe section 242 is gradually increased along the direction from the bottom end of the inner cavity of the cup 22 to the top end of the inner cavity of the cup 22, and the pipe diameter of the end of the second pipe section 242 close to the first pipe section 241 is the same as the pipe diameter of the first pipe section 241, wherein the pipe diameters are the same. By gradually increasing the cross-sectional size of the lumen of the second tube segment 242, the medical fluid and oxygen can be further mixed to form a uniform medical mist.

Optionally, the cup 22 is detachably connected to the cap 21. When the liquid medicine needs to be added into the cup body 22, the cup cover 21 can be detached from the cup body 22, and the liquid medicine can be directly poured into the cup body 22.

Further, as shown in fig. 1 and 2, the cup cover 21 is provided with a medicine feeding port 212, and a unidirectional communication structure 213 is provided in the medicine feeding port 212. When the cup cover 21 is inconvenient to detach from the cup 22 in the using process of the multipurpose atomizer for the tracheotomy patient, the liquid medicine can be directly added into the cup 22 from the medicine adding port 212 through the one-way communication structure 213. The unidirectional communication structure 213 prevents the liquid medicine from flowing out through the medicine adding port 212 when the atomizing cup 2 is inclined while adding the liquid medicine into the cup body 22 through the medicine adding port 212. The one-way communication structure 213 may be a one-way flap or a duckbill valve, and the one-way communication is realized by adopting the one-way flap or the duckbill valve capable of being opened in one way, which is a common technology in the art, and the specific structure thereof is not described herein. Preferably, in this embodiment, the one-way communication structure 213 is a duckbill valve. The duckbill valve in the embodiment is a small duckbill valve, is formed by processing an elastic material, and is closed at the opening by means of the elasticity of the elastic material, so that the opening pressure is very small. When the multipurpose atomizer for tracheotomy patients is used, the pressure in the atomizing cup 2 can be reduced to a certain extent along with the atomization ejection of the liquid medicine in the atomizing cup 2, at the moment, the duckbill valve is opened, and external air enters the atomizing cup 2 through the medicine adding port 212 and the duckbill valve, so that siphon atomization of the liquid medicine is prevented from being influenced due to the fact that the pressure of the atomizing cup 2 is too low.

Alternatively, as shown in fig. 1-3, a first interface pipe 221 is provided at the bottom end of the cup 22, and the first interface pipe 221 is detachably connected to the first end of the oxygen connecting pipe 3. The connection between the cup 22 and the oxygen connection pipe 3 is facilitated by providing the first interface pipe 221. Specifically, the cup cover 21 is covered on the outer side of the cup body 22 and is in threaded connection with the cup body 22.

Alternatively, as shown in fig. 1, the oxygen connecting pipe 3 includes a first joint 31, a hose 32, and a second joint 33, the first joint 31 and the second joint 33 are fixedly provided at both ends of the hose 32, respectively, and the first joint 31 is detachably connected to the first interface pipe 221. The second connector 33 is used for connecting an oxygen meter interface at the central oxygen supply.

Optionally, as shown in fig. 1 and 2, a second interface tube 211 is provided at the top end of the cup cover 21, and the second connecting tube 15 is detachably connected to the third port 14. The connection between the cup cover 21 and the T-shaped connecting pipe 1 is facilitated by the arrangement of the second interface pipe 211. Specifically, the top end of the second interface tube 211 is located in the third port 14 and is screwed with the third port 14.

The application method of the multipurpose atomizer for the tracheotomy patient provided by the embodiment comprises the following steps:

The method comprises the steps of screwing off a cup cover 21 from a cup body 22, adding prepared liquid medicine to the capacity of 2/3 of the cup body 22, screwing on the cup cover 21 (or directly adding the prepared liquid medicine into the cup body 22 through a medicine adding port 212), connecting one end of an oxygen connecting pipe 3 to an oxygen supply place, and the other end of the oxygen connecting pipe to the bottom of an atomizing cup 2, keeping the atomizing cup 2 in a vertical upright state when in use, turning on an oxygen supply switch, enabling compressed oxygen to flow at a high speed through the oxygen pipe, enabling the oxygen to flow out of the oxygen pipe and flow out of an air outlet hole of a nozzle 23, enabling the air outlet hole of the nozzle 23 to generate negative pressure when the oxygen is sprayed out of the nozzle 23 with gradually reduced cross section, enabling the liquid medicine to flow from the bottom of the nozzle 23 to the top of the nozzle 23 along a flow channel 10, enabling the liquid medicine to be produced into medicine mist under the impact of the high-speed flowing oxygen, enabling the medicine mist to enter a first pipe section 241 of the atomizing pipe 24 along with the oxygen and to be mixed into more uniform medicine mist in the first pipe section 241, enabling the medicine mist to enter into a respiratory tract of a patient along the second pipe section 242 of the atomizing pipe 24 and the T-shaped connecting pipe 1. Because the bellows can be bent to any angle, the tracheotomy sleeve can be connected with the T-shaped connecting pipe 1 without inclining the atomizing cup 2, the effect that the medicine liquid flows to the air outlet of the nozzle 23 along the flow passage 10 to generate medicine fog is prevented from being influenced by the inclination of the atomizing cup 2, the conversion rate of the medicine liquid into medicine fog is ensured, and the atomization effect is further ensured.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A tracheotomy patient multipurpose nebulizer, comprising:

The T-shaped connecting pipe (1) comprises a first port (11), a second port (12), a first connecting pipe (13), a third port (14) and a second connecting pipe (15), wherein the first port (11), the first connecting pipe (13) and the second port (12) are coaxially arranged, the first port (11) is communicated with the second port (12) through the first connecting pipe (13), the first port (11) comprises a first outer ring interface (111) and a first inner ring interface (112) which are coaxially arranged, the outer wall of the first inner ring interface (112) is arranged at intervals with the inner wall of the first outer ring interface (111), the second port (12) comprises a second outer ring interface (121) and a second inner ring interface (122) which are coaxially arranged, the outer wall of the second inner ring interface (122) is arranged at intervals with the inner wall of the second outer ring interface (121), the third port (14) is communicated to the first connecting pipe (13) through the second connecting pipe (15), and the second connecting pipe (15) is a corrugated pipe;

an atomizing cup (2), the top end of which is connected with the third port (14) in a sealing way;

And the first end of the oxygen connecting pipe (3) is connected to the bottom of the atomizing cup (2), and the second end of the oxygen connecting pipe is used for connecting an oxygen source.

2. The tracheotomy patient multipurpose atomizer according to claim 1, wherein the atomizing cup (2) comprises a cup cover (21), a cup body (22), a nozzle (23), a mist outlet pipe (24) and a nozzle cap (25), the top end of the cup cover (21) is in sealing connection with the third port (14), the bottom end cover of the cup cover (21) is arranged on the cup body (22) and is in sealing connection with the cup body (22), the bottom of the inner cavity of the cup body (22) is provided with a nozzle (23) extending towards the upper part of the inner cavity of the cup body (22), the cross-section size of the inner cavity of the nozzle (23) gradually decreases along the direction from the bottom end of the inner cavity of the cup body (22), the top end of the mist outlet pipe (24) is fixedly arranged in the cup cover (21) and is communicated with the third port (14), the mist outlet pipe (24), the nozzle (23) and the nozzle cap (25) are coaxially arranged, the nozzle cap (25) is sleeved on the bottom end of the inner cavity of the cup body (22), the nozzle cap (25) extends to the bottom end of the nozzle (23) and extends to the bottom end of the inner cavity (25), and the outer wall of the nozzle cap (25) is abutted against the inner wall of the mist outlet pipe (24), and a flow passage (10) which is communicated with the bottom end of the inner cavity of the cup body (22) and the bottom end of the inner cavity of the mist outlet pipe (24) is arranged between the nozzle cap (25) and the nozzle (23).

3. Tracheotomy patient multipurpose atomizer according to claim 2, characterized in that the nozzle cap (25) is of elastic material.

4. The tracheotomy patient multipurpose atomizer of claim 2, wherein the mist outlet tube (24) comprises a first tube section (241) and a second tube section (242), the top end of the first tube section (241) is fixedly connected with the cup cover (21), the top end of the second tube section (242) is fixedly connected with the bottom end of the first tube section (241), the bottom end of the second tube section (242) is abutted with the top end of the nozzle cap (25), the cross-sectional dimension of the inner cavity of the second tube section (242) is gradually increased along the direction from the bottom end of the inner cavity of the cup body (22) to the top end of the inner cavity of the cup body (22), and the tube diameter of the end of the second tube section (242) close to the first tube section (241) is the same as the tube diameter of the first tube section (241).

5. The tracheotomy patient multipurpose atomizer according to claim 2, wherein the nozzle (23) is provided with a plurality of support ribs (231) protruding outward in a height direction of the nozzle (23), the plurality of support ribs (231) being arranged at intervals in a circumferential direction of the nozzle (23), the support ribs (231) supporting the nozzle cap (25).

6. Tracheotomy patient multipurpose atomizer according to claim 2, characterized in that the cup (22) is detachably connected to the cup cover (21).

7. The tracheotomy patient multipurpose atomizer of claim 6, wherein the cup cover (21) is provided with a dosing port (212), and a unidirectional communication structure (213) is arranged in the dosing port (212).

8. The tracheotomy patient multipurpose atomizer of claim 2, wherein a first interface tube (221) is provided at a bottom end of the cup body (22), and the first interface tube (221) is detachably connected to the first end of the oxygen connecting tube (3).

9. The tracheotomy patient multipurpose atomizer of claim 8, wherein the oxygen connecting tube (3) comprises a first connector (31), a hose (32) and a second connector (33), the first connector (31) and the second connector (33) are fixedly arranged at two ends of the hose (32) respectively, and the first connector (31) is detachably connected with the first interface tube (221).

10. Tracheotomy patient multipurpose atomizer according to claim 2, characterized in that the top end of the cup cover (21) is provided with a second interface tube, and the second connecting tube (15) is detachably connected with the third port (14).