CN217245984U - A kind of medical nebulizer device for preventing aerosol pollution - Google Patents

Abstract

The application discloses prevent medical atomizer device of aerosol pollution, including liquid storage chamber (1), suction nozzle (2), honeycomb duct (3), suction nozzle (2) set up in the top of liquid storage chamber (1), honeycomb duct (3) connect in the bottom of liquid storage chamber (1), honeycomb duct (3) inscribe high velocity draught, suction nozzle (2) are including suction nozzle body and connecting portion, connecting portion are connected with liquid storage chamber (1), the suction nozzle body includes suction end (21) and exhalation end (22), it is provided with adsorbed layer (23) to exhale end (22) afterbody, it still is provided with one-way membrane switch (24) on end (22) to exhale, one-way membrane switch (24) are located the inboard of adsorbed layer (23). The aerosol pollution problem that causes in this application can solve present when atomization therapy, liquid medicine after the atomizing disperses to the air.

Description

A medical nebulizer device for preventing aerosol pollution

technical field

The application relates to the technical field of medical devices, in particular to a medical atomizer device that prevents aerosol pollution.

Background technique

Atomization therapy has become a routine treatment method in respiratory medicine, ENT, and pediatrics. Liver and kidney metabolism and other advantages. However, the current atomization treatment has certain defects. For example, in the process of atomization treatment, about 50% of the drug solution is dispersed into the air in the form of aerosol after atomization, causing aerosol pollution and causing Cross-infection between patients in the ward; accompanying and medical staff inhaling the diffused drugs may have a certain impact on health.

Utility model content

Therefore, the present application provides a medical nebulizer device for preventing aerosol pollution, so as to solve the problem of aerosol pollution caused by the dispersion of the nebulized medicinal liquid into the air during the current nebulization treatment.

In order to achieve the above purpose, the present application provides the following technical solutions: a medical nebulizer device for preventing aerosol pollution, comprising a liquid storage chamber, a suction nozzle, and a guide tube, and the suction nozzle is arranged on the top of the liquid storage chamber, so The guide pipe is connected to the bottom of the liquid storage chamber, the guide pipe is connected with high-speed airflow, the suction nozzle includes a suction nozzle body and a connecting part, the connecting part is connected with the liquid storage chamber, and the suction nozzle body includes At the inhalation end and the exhalation end, an adsorption layer is arranged at the tail of the exhalation end, and a one-way membrane switch is also arranged on the exhalation end, and the one-way membrane switch is located inside the adsorption layer.

Preferably, the adsorption layer is activated carbon or adsorption filter paper.

Preferably, the one-way membrane switch includes a first tube body and a second tube body, the first tube body is connected to the second tube body, the first tube body communicates with the outside world, and the second tube body Connected with the suction mouth, a duckbill valve is provided at the junction of the first pipe body and the second pipe body. When the patient inhales, the duckbill valve is in an open state; when the patient exhales, the duckbill valve is in an open state. Valve is closed.

Further preferably, the duckbill valve is composed of two opposite soft plastic sheets. When the patient inhales, the air flow from the outside blows the duckbill valve open; when the patient exhales, the air flow from the patient presses the duckbill. valve and keep it closed.

Preferably, the bottom of the liquid storage chamber is provided with a guide pipe joint, and the guide pipe is connected to the guide pipe joint.

Preferably, the connection part of the suction nozzle and the liquid storage chamber are connected by threads.

Preferably, a communication pipe is provided downward on the top of the connecting portion of the suction nozzle, and the communication pipe connects the liquid storage chamber and the suction nozzle body.

Further preferably, the connecting part of the suction nozzle is composed of three annular structures whose outer diameters are gradually reduced. The outer diameter near the liquid storage chamber is the largest. The inner side of the annular structure is provided with threads and is connected with the liquid storage chamber.

Compared with the prior art, the present application at least has the following beneficial effects:

By improving the local structure of the current mainstream nebulizer, an adsorption layer and a one-way membrane switch are arranged at the exhaust end, and on the premise of ensuring the normal breathing of the patient, the discharge of aerosol during exhalation is reduced, thereby reducing aerosol dispersion and preventing the ward. Cross-infection between internal patients and unnecessary inhalation of diffused drugs by accompanying staff and medical staff.

Description of drawings

In order to more intuitively illustrate the prior art and the present application, several exemplary drawings are given below. It should be understood that the specific shapes and structures shown in the accompanying drawings should generally not be regarded as limitations when implementing the present application; for example, those skilled in the art are capable of correcting the The increase/decrease/attribution division, specific shape, positional relationship, connection mode, size ratio relationship, etc. of some units (components) are easy to make routine adjustments or further optimizations.

1 is a schematic structural diagram of a medical nebulizer device for preventing aerosol pollution according to an embodiment of the present application;

Fig. 2 is the internal schematic diagram of the one-way membrane switch in Fig. 1 when the patient inhales;

Fig. 3 is the internal schematic diagram of the one-way membrane switch in Fig. 1 when the patient exhales;

Description of reference numbers:

1- liquid storage chamber; 11- guide pipe joint;

2- suction nozzle; 21- suction end; 22- exhalation end; 23- adsorption layer; 24- one-way membrane switch; 241- first pipe body; 242- second pipe body; 243- duckbill valve;

3- Draft tube.

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings through specific embodiments.

In the description of this application: unless stated otherwise, "plurality" means two or more. The terms "first", "second", "third", etc. in the present application are intended to distinguish the objects they refer to, and do not have special meanings in terms of technical connotations (for example, they should not be construed as important degree or order, etc. emphasis). The expressions "including", "including", "having", etc. also mean "not limited to" (certain elements, components, materials, steps, etc.).

Terms such as "up", "down", "left", "right", "middle", etc. quoted in this application are usually for the convenience of intuitive understanding with reference to the accompanying drawings, rather than absolute positional relationships in actual products. limited. In the case of not departing from the technical concept disclosed in this application, the changes of these relative positional relationships should also be regarded as the scope of the expression in this application.

Please refer to FIGS. 1 to 3 , a medical nebulizer device for preventing aerosol pollution provided by an embodiment of the present invention includes a liquid storage chamber 1, a suction nozzle 2, and a guide tube 3, and the suction nozzle 2 is arranged in the liquid storage chamber 1, the guide tube 3 is connected to the bottom of the liquid storage chamber 1, the liquid storage chamber 1 is filled with liquid medicine, the guide tube 3 is connected with high-speed airflow, and the suction nozzle 2 includes a suction nozzle body and a connecting part, and the connecting part is connected to the storage chamber. The liquid chamber 1 is connected, the mouthpiece body includes an inhalation end 21 and an exhalation end 22, an adsorption layer 23 is provided at the tail of the exhalation end 22, and a one-way membrane switch 24 is also provided on the exhalation end 22. The one-way membrane switch 24 is located in the adsorption layer 23 inside;

The positions of the one-way membrane switch 24 and the adsorption layer 23 mentioned above at the exhalation end 22 of the mouthpiece 2 cannot be reversed. When the patient uses the nebulizer, the nebulized medicine is inhaled from the inhalation end 21 of the mouthpiece 2 into the patient's body , when the patient inhales the aerosolized liquid medicine, the one-way membrane switch 24 is turned on and the fresh air from the outside is inhaled into the patient; when the patient exhales gas, the one-way membrane switch 24 is closed, and the exhaled gas of the patient passes through the mouthpiece 2. The adsorption layer 23 of the exhalation end 22, the drug components carried in the exhaled air are adsorbed by the adsorption layer, which effectively avoids the harm caused by aerosol pollution to other patients, escorts and medical staff;

The adsorption layer 23 can be activated carbon or adsorption filter paper;

The one-way membrane switch 24 includes a first tube body 241 and a second tube body 242. The first tube body 241 is connected to the second tube body 242. The first tube body 241 communicates with the outside world, and the second tube body 242 communicates with the suction nozzle 2. The connection between the first tube body 241 and the second tube body 242 is provided with a duckbill valve 243. When the patient inhales, the duckbill valve 243 is in an open state; when the patient exhales, the duckbill valve 243 is in a closed state. ;

The duckbill valve 243 is composed of two opposite soft plastic sheets. When the patient inhales, the air flow from the outside blows the duckbill valve 243 open; when the patient exhales, the air flow from the patient exhales punches the duckbill valve 243, and the to close it;

The bottom of the liquid storage chamber 1 is provided with a guide pipe joint 11, and the guide pipe 3 is connected to the guide pipe joint 11;

In some embodiments, the connection part of the suction nozzle 2 and the liquid storage chamber 1 are connected by threads, and the fixing method of the screw connection makes it more convenient to remove the suction nozzle 2 and inject the liquid medicine into the liquid storage chamber 1;

In order to enable the atomized liquid medicine in the liquid storage chamber 1 to better enter the suction nozzle 2, a communication pipe is provided downward on the top of the connecting part of the suction nozzle 2, and the communication pipe connects the liquid storage chamber 1 and the suction nozzle body. The connecting tube is a Venturi tube, which is convenient to measure the differential pressure of the high-speed airflow inside it;

In some embodiments, the connecting part of the suction nozzle 2 is composed of three annular structures whose outer diameters are gradually reduced. The outer diameter near the liquid storage chamber 1 is the largest. The inner side of the annular structure of the liquid chamber 1 is provided with threads, and is connected with the liquid storage chamber 1;

working principle:

When using the medical nebulizer device for preventing aerosol pollution according to the embodiment of the present invention, it is necessary to first remove the suction nozzle 2 from the liquid storage chamber 1, pour the medicinal liquid into the liquid storage chamber 1, and then put the suction nozzle 2 into the liquid storage chamber 1. It is fixed on the liquid storage chamber 1. When the patient uses the nebulizer, the high-speed airflow in the guide tube 3 enters the liquid storage chamber 1 from the bottom of the liquid storage chamber 1. When the patient uses the nebulizer normally, the breathing is not easy. will be affected, and the exhaled gas will not carry drug components. Specifically, when the patient uses the nebulizer, the nebulized medicinal solution is inhaled into the patient's body from the inhalation end 21 of the suction nozzle 2, and after the patient inhales the nebulizer, the nebulizer is inhaled into the patient's body. The one-way membrane switch 24 is turned on and the fresh air from the outside is inhaled into the body of the patient at the same time as the melted liquid medicine; In layer 23, the drug components carried in the exhaled air are adsorbed by the adsorption layer.

The present application has been described in more detail and in detail above through the general description and specific embodiments. It should be understood that, based on the technical concept of the present application, some conventional adjustments or further innovations can also be made to these specific embodiments; but as long as they do not depart from the technical concept of the present application, the technical solutions obtained from these conventional adjustments or further innovations are also It also falls within the scope of protection of the claims of the present application.

Claims (8)

1. A medical atomizer device for preventing aerosol pollution, characterized in that it comprises a liquid storage chamber (1), a suction nozzle (2), a guide tube (3), and the suction nozzle (2) is arranged in a storage chamber (1). The top of the liquid chamber (1), the guide pipe (3) is connected to the bottom of the liquid storage chamber (1), the guide pipe (3) is connected with a high-speed airflow, and the suction nozzle (2) includes a suction nozzle A body and a connecting part, the connecting part is connected with the liquid storage chamber (1), the mouthpiece body includes an inhalation end (21) and an exhalation end (22), and an adsorption layer ( 23), the exhalation end (22) is further provided with a one-way membrane switch (24), and the one-way membrane switch (24) is located inside the adsorption layer (23). 2 . The medical atomizer device for preventing aerosol pollution according to claim 1 , wherein the adsorption layer ( 23 ) is activated carbon or adsorption filter paper. 3 . 3 . The medical nebulizer device for preventing aerosol pollution according to claim 1 , wherein the one-way membrane switch ( 24 ) comprises a first tube body ( 241 ) and a second tube body ( 242 ). 4 . ), the first pipe body (241) is connected to the second pipe body (242), the first pipe body (241) communicates with the outside world, and the second pipe body (242) is connected to the suction nozzle (2) communicated with each other, a duckbill valve (243) is provided at the junction of the first pipe body (241) and the second pipe body (242), when the patient inhales, the duckbill valve (243) is in an open state; When the patient exhales, the duckbill valve (243) is closed. 4. The medical nebulizer device for preventing aerosol pollution according to claim 3, wherein the duckbill valve (243) is composed of two opposite soft plastic sheets, and when the patient inhales, The air flow from the outside blows the duckbill valve (243) open; when the patient exhales, the air flow from the patient's exhalation punches the duckbill valve (243) and closes it. 5 . The medical nebulizer device for preventing aerosol pollution according to claim 1 , wherein the bottom of the liquid storage chamber ( 1 ) is provided with a diversion pipe joint ( 11 ), and the diversion The pipe (3) is connected to the guide pipe joint (11). 6 . The medical nebulizer device for preventing aerosol pollution according to claim 1 , wherein the connection part of the suction nozzle ( 2 ) and the liquid storage chamber ( 1 ) are connected by threads. 7 . 7. The medical nebulizer device for preventing aerosol pollution according to claim 1, wherein the top of the connecting portion of the suction nozzle (2) is provided with a communicating pipe downward, and the communicating pipe is connected to the Connect the liquid storage chamber (1) and the suction nozzle body. 8 . The medical nebulizer device for preventing aerosol pollution according to claim 6 , wherein the connecting part of the suction nozzle ( 2 ) is composed of three annular structures whose outer diameters are gradually reduced. 9 . , the outer diameter near the liquid storage chamber (1) is the largest, and the outer diameters of the other two annular structures decrease in turn. catch.

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