CN213220127U - Telescopic MDIs mist storage tank - Google Patents

Abstract

The utility model discloses a telescopic MDIS mist storage tank, which comprises a joint, a duckbilled membrane valve, an upper cover, an outer cavity, an inner cavity and a base, wherein the joint is connected and conducted with the upper cover; the upper cover is connected with the outer cavity through a channel, and the inner cavity is telescopically arranged in the outer cavity; the base is arranged at the bottom of the inner cavity. Inside outer cavity was arranged in with telescopic structure to the cavity in this scheme, can freely contract and stretch in the outer cavity, can come the independent regulation capacity size according to the demand.

Description

Telescopic MDIs mist storage tank

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to telescopic MDIs stores up fog jar.

Background

The inhalation therapy method is a new non-injection administration way and is a more effective medical method for treating respiratory diseases. The medicine or water is dispersed into fog grains or particles suspended in air, which are inhaled through mouth and nose to enter respiratory tract and bronchiole and then diffused to deposit in pulmonary alveoli, and the medicine fog grains of 0.5-3 microns may reach inside pulmonary alveoli for the atomized medicine liquid to be absorbed fully to obtain excellent treating effect. The aerosol inhalation therapy can rapidly, effectively and painlessly treat asthma, acute and chronic bronchitis, chronic pharyngolaryngitis, allergic rhinitis, bronchiectasis, chronic obstructive pulmonary diseases and the like, and is increasingly widely used by hospitals and families.

Metered Dose Inhalers (MDIs), which are relatively popular aerosol inhalation devices, have the advantages of dosing, simple operation, portability, ready availability, no longer than regular disinfection, no cross-infection in hospitals, etc. The medicine and the boosting agent (usually Freon) are contained in the sealed medicine storage tank, the medicine is dissolved or suspended in the liquid boosting agent, and the boosting agent is suddenly evaporated and rapidly sprayed after meeting atmospheric pressure, and liquid medicine is taken out and atomized into aerosol particles. MDIs produce aerosol particles of about 3 μm to about 6 μm in diameter.

As shown in fig. 1, which is a common type of mist storage tank; as can be seen from the figure, the fog storage tank comprises a joint 1, a valve plate 2, an upper cover 3, a tank body 4, a base 5 and the like.

The common mist storage tank body 4 is large in size and not easy to carry; or the volume is small, the mist storage capacity is small, and the good treatment effect cannot be achieved. Meanwhile, the upper cover 3 of the mist storage tank is screwed without a fixing scheme, so that the risk of separation is caused during violent movement.

Therefore, how to adjust the capacity independently and carry the door out safely and conveniently is a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists in prior art when practical application, the utility model aims to provide a telescopic MDIs stores up fog jar, its can independently adjust the capacity to carry out convenient safety.

In order to achieve the purpose, the utility model provides a telescopic MDIs fog storage tank, which comprises a joint, a duckbilled membrane valve, an upper cover, an outer cavity, an inner cavity and a base, wherein the joint is communicated with the upper cover; the upper cover is connected with the outer cavity through a channel, and the inner cavity is telescopically arranged in the outer cavity; the base is arranged at the bottom of the inner cavity.

Further, the joint is connected with the upper cover through a buckle structure.

Furthermore, the upper cover and the outer cavity are connected by adopting a spiral buckling structure.

Furthermore, a clamping structure is arranged between the inner cavity and the outer cavity.

Further, the base is clamped with the inner cavity.

The telescopic MDIs mist storage tank provided by the utility model can freely stretch out and draw back by adopting a telescopic structure, and the capacity can be automatically adjusted according to the requirement; secondly, the tank body can be contracted when going out, the packaging is smaller, the carrying is convenient when going out,

drawings

The invention is further described with reference to the following drawings and detailed description.

FIG. 1 is a schematic sectional view of a conventional mist storage tank;

FIG. 2 is a schematic diagram showing the construction of an exemplary retractable MDIs mist storage tank;

FIG. 3 is a schematic cross-sectional view of the retractable MDIs storage tank in the contracted state;

FIG. 4 is a schematic cross-sectional view of the retractable MDIs storage tank in the embodiment in the retracted state;

fig. 5 is a schematic view of the connection between the upper cover and the outer cavity of the retractable MDIs mist storage tank according to the embodiment.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 2, the schematic structural diagram of the retractable MDIs mist storage tank according to the present embodiment is shown.

As can be seen, the collapsible MDIs aerosol storage canister provided in this example comprises a fitting 10, a duckbill diaphragm valve 20, a cap 30, an outer chamber 40, an inner chamber 50, and a base 60.

Specifically, the bottom of the connector 10 is circular, the end connector is flat-mouth-shaped, and the outer wall of the bottom is provided with a plurality of male buckles.

The upper cap 30 in this example is generally hemispherical in shape and has screw threads 70 around its interior, each screw thread having a respective protrusion 80. The top is the gas outlet, sets up a plurality of box on the gas outlet outer wall, corresponds the box at upper cover 30 top respectively with the pin thread of joint 10 bottom, connects with the mode of lock.

The duckbill diaphragm valve 20 in this example has a circular base with a raised portion in the middle of the base and a duckbill configuration at the end of the raised portion. The convex part of the duckbill membrane valve plate 20 corresponds to the flat mouth type connecting hole on the joint 10, and the bottom part is attached to the top part of the upper cover 30. This duckbill diaphragm valve block 20 is whole to be arranged in and to connect 10 and upper cover 30 between for duckbill diaphragm valve 20 forms a valve, and duckbill diaphragm valve 20 has fine leakproofness, can guarantee that waste gas can not enter into in the storage fog jar.

The whole appearance structure of outer cavity 40 in this example is the tapering cylinder, and the bottom is equipped with the boss, and the top is equipped with the kneck, and upper cover 30 department outer wall closes and is equipped with four recesses 90 on the screw thread 70 soon, refers to fig. 5, closes upper cover 30 and outer cavity 40 and rotates the twist through the screw thread mode, and four recesses 90 and upper cover close the four bumps 80 on the screw thread 70 soon and can correspond to a certain extent, then carry out the buckle and connect.

Referring to fig. 3-4, the inner chamber 50 in this example is generally cylindrical, the inner chamber 50 is smaller in volume than the outer chamber 40, and is hermetically sealed within the outer chamber 40, and the inner chamber of the inner chamber 50 communicates with the inner chamber of the outer chamber 40. The inner cavity 50 can slide freely in the outer cavity 40, and can move telescopically relative to the outer cavity 40, so that the adjustment of the volume is realized.

Preferably, the inner cavity 50 and the outer cavity 40 in this example are in sealing fit through a corresponding dynamic sealing structure; meanwhile, the inner cavity 50 extends into the outer cavity 40 and the top end of the outer cavity 40, and the inner cavity 50 is clamped with the outer cavity 40 through a corresponding step structure.

Thus, when the inner chamber 50 is stretched to a certain position, the step provided at the end of the inner chamber 50 will catch the boss at the bottom of the main outer chamber 40, which is the maximum length of stretch, i.e. the maximum capacity of the mist reservoir.

The base 60 in this embodiment has spiral blades inside, which are directly fixed to the bottom of the inner cavity 50 by a slot.

The telescopic MDIs mist storage tank formed based on the scheme has the following working and operating processes.

Firstly, the inner cavity 50 is stretched to the end step to be clamped with a boss at the bottom of the outer cavity 40 (as shown in figure 4), the quantitative aerosol is connected with the base 60, then the medicine mist is sprayed out and stored in the cavity of the mist storage tank, the initial speed of the aerosol sprayed by the MDIs is reduced, the distance between the nozzles of the MDIs and the oral cavity is increased, the sedimentation of aerosol particles in the oral cavity is reduced, and the medicine mist can be directly adsorbed at the oral cavity, the throat, the trachea, the bronchus, the alveolus and the like of a patient and absorbed through the mucosa.

The patient passes through the face guard or connects the joint 10 of storage fog jar with the mouthpiece, when breathing in, external pressure is greater than cavity internal pressure, to the inside extrusion that forms of cavity, at this moment duckbilled diaphragm valve 20 is opened, the medicine fog enters into the kneck through the gas outlet, it inhales through face guard or mouthpiece by the patient, need not spout medicine and the harmonious action of breathing in, do not have the strict velocity of flow requirement of breathing in to the disease, to having difficult patient or can not the complex children, infant patient has fine help.

Secondly, when spitting, the pressure in the cavity and the external pressure can be balanced, and at the moment, the duckbill diaphragm valve 20 can be automatically closed, so that the spitted gas can be blocked outside and cannot enter the cavity of the mist storage tank.

The telescopic MDIs that constitute by above-mentioned scheme stores up the fog jar, and the cavity in its storage fog jar uses telescopic structure, can freely contract tensile, can come the volume size of independently adjusting according to the demand. Secondly, when the cavity contracts, the package is smaller and more exquisite, and reduce cost is convenient to carry when going out simultaneously.

Moreover, except that the upper cover 30 of the mist storage tank and the outer cavity 40 are connected in a threaded mode, a buckle structure is added at the same time, and the upper cover and the outer cavity are connected and fixed through double layers, so that the connection between the upper cover and the outer cavity is firmer, and the falling risk is reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A telescopic MDIS mist storage tank is characterized by comprising a joint, a duckbilled membrane valve, an upper cover, an outer cavity, an inner cavity and a base, wherein the joint is communicated with the upper cover; the upper cover is connected with the outer cavity through a channel, and the inner cavity is telescopically arranged in the outer cavity; the base is arranged at the bottom of the inner cavity.

2. The retractable MDIs mist storage tank of claim 1, wherein the joint is connected with the upper cover through a snap-fit structure.

3. The retractable MDIs mist storage tank of claim 1, wherein the upper cover is connected to the outer chamber body by a screw fastening structure.

4. The retractable MDIs mist storage tank of claim 1, wherein a snap-fit structure is provided between the inner and outer chambers.

5. The telescoping MDIs mist storage canister of claim 1, wherein the base is snap-fit to the inner chamber.

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