CN111407985B

CN111407985B - Atomizer

Info

Publication number: CN111407985B
Application number: CN202010236482.6A
Authority: CN
Inventors: 胡小霞; 王秋舟; 陶琳; 叶子
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-03-12
Anticipated expiration: 2040-03-30
Also published as: CN111407985A

Abstract

The invention discloses an atomizer, which relates to the field of medical supplies, and provides an atomizer which can be loaded with two kinds of medicinal liquids for atomization in sequence and can be atomized in any placement direction. The nebulizer includes a nebulizer body, a gas distribution structure, two pistons and two nebulizer covers; the nebulizer body includes a nebulizer shell, a connecting column, a lower oxygen connector, an upper oxygen connector and a mask connecting sleeve; The main body of the atomizer is provided with a main oxygen hole, a spray hole, two branch oxygen holes, two suction holes and two functional chambers; two pistons are respectively arranged in cooperation with the two functional chambers, and the piston separates the functional chamber into an upper chamber. The liquid chamber and the gas chamber below; the atomizer cover is detachably connected to the top of the atomizer shell, and the two atomizer covers respectively close the two liquid chambers; the gas distribution structure can control the main oxygen hole and any oxygen hole Communication or the lower part of the main oxygen hole is in communication with both branch oxygen holes.

Description

Atomizer

Technical Field

The invention relates to the field of medical supplies, in particular to an atomizer.

Background

An atomizer of an existing oxygen inhalation mask is shown in fig. 1 and comprises a shell, an oxygen passing column, an inner cover and an outer cover, wherein the oxygen passes through the column and extends from the lower part of the shell to the top of the shell, the top end of the oxygen passing column is provided with an oxygen spraying hole, the inner cover is positioned in the shell and sleeved on the oxygen passing column, the inner cover is provided with an atomizing hole corresponding to the oxygen spraying hole, and a liquid medicine channel extending from the bottom of the shell to the atomizing hole is formed between the inner cover and the oxygen passing column and the shell; the outer cover is covered on the shell and is abutted against the inner cover. When in use, the oxygen mask is connected with the outer cover, and the oxygen tube is connected with oxygen through the column.

The atomization process of the atomizer is as follows: firstly, opening the outer cover, injecting liquid medicine into the shell, and then covering the outer cover; then introducing oxygen, wherein the oxygen sequentially flows through an oxygen pipe, an oxygen passing column, an outer cover and an oxygen mask; when oxygen is sprayed out from the oxygen spraying holes of the column at high speed, negative pressure is generated in the liquid medicine channel, the liquid medicine is sucked to the oxygen spraying holes due to the suction effect of the negative pressure, and then the liquid medicine is sprayed out from the atomizing holes due to the impact of the oxygen, so that atomization is realized; the atomized liquid medicine and oxygen enter the oxygen mask together for the patient to inhale. If atomization is not needed, the liquid medicine is not injected into the atomizer, and oxygen directly enters the mask for the patient to inhale.

The disadvantages of the above-mentioned atomizers are: 1. the liquid medicine can be used only in a vertical or small amount of inclined state, if the inclined angle is too large, the liquid medicine does not completely submerge the bottom of the inner cover, air is sucked into the liquid medicine channel, the liquid medicine cannot be sucked, and atomization cannot be carried out; however, some patients in coma or bedridden patients with inconvenient movement are difficult to keep sitting or semi-lying, and when the patients lie down, the atomizer is also horizontal, so that atomization cannot be carried out. 2. The atomizer can only inject one liquid medicine once, however, in clinical practice, the atomizer often needs to adopt two liquid medicines to carry out atomization treatment in sequence, and at the moment, the atomizer needs to open and close the outer cover twice to inject the medicine twice, so that the operation is more complicated.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: provided is an atomizer capable of sequentially atomizing two kinds of liquid medicines and capable of atomizing in any direction.

The technical scheme adopted for solving the problems is as follows: the atomizer comprises an atomizer main body, a gas distribution structure, two pistons and two atomizer covers;

the atomizer main body comprises an atomizer shell, a connecting column, a lower oxygen connector, an upper oxygen connector and a mask connecting sleeve, wherein the connecting column is connected to the central top of the atomizer shell, the lower oxygen connector is connected to the central bottom of the atomizer shell, the upper oxygen connector is connected to the top of the connecting column, and the mask connecting sleeve is sleeved on the upper connecting column and is connected with the upper connecting column; the atomizer main body is internally provided with a main oxygen hole, an injection hole, two branch oxygen holes, two liquid suction holes and two function cavities, the main oxygen hole extends to be close to the top end of the connecting column from the lower oxygen connector, the injection hole extends to the main oxygen hole from the top end of the connecting column, the two function cavities are positioned at two sides of the main oxygen hole, the two branch oxygen holes respectively extend to the main oxygen hole from the bottoms of the two function cavities, and the two liquid suction holes respectively extend to the injection hole from the tops of the two function cavities;

the two pistons are respectively matched with the two function cavities, and the function cavities are divided into an upper liquid cavity and a lower gas cavity by the pistons; the atomizer covers are detachably connected with the top of the atomizer shell, and the two atomizer covers respectively seal the two liquid cavities;

the distribution structure can control the communication of the main oxygen hole and any branch oxygen hole or the communication of the lower part of the main oxygen hole and both branch oxygen holes.

Further, the method comprises the following steps: the gas distribution structure comprises a valve core hole arranged on the atomizer shell and a valve core matched with the valve core hole, a main oxygen hole and two branch oxygen holes jointly form a cross-shaped hole, the valve core hole is positioned at the intersection of the main oxygen hole and the branch oxygen holes, a T-shaped hole capable of being communicated with the main oxygen hole and the branch oxygen holes is formed in the valve core, and gas distribution is realized through rotation of the valve core.

Further, the method comprises the following steps: the atomizer shell is provided with liquid quantity marks which are arranged in one-to-one correspondence with the liquid cavities.

Further, the method comprises the following steps: the atomizer main part includes the supporting leg, and the supporting leg is connected with atomizer casing bottom, and the bottom of supporting leg is less than oxygen joint bottom down.

Further, the method comprises the following steps: the atomizer cover is in threaded connection with the atomizer shell.

The invention has the beneficial effects that: 1. when any body position is atomized, namely no matter the atomizer is vertically placed or horizontally placed, the liquid cavity is filled with liquid, and the liquid suction holes can absorb the liquid for atomization, so that the atomizer is particularly suitable for patients who are in coma or lie in bed and have inconvenient movement and are difficult to keep sitting or semi-lying.

2. Two kinds of liquid can be added to two liquid intracavity, through adjusting gas distribution structure, can atomize two kinds of liquid in proper order, and the operation is more simple than current atomizer.

Drawings

FIG. 1 is a view of a prior art atomizer;

FIG. 2 is a front view of the atomizer of the present invention;

FIG. 3 is a top view of the atomizer of the present invention;

FIG. 4 is a cross-sectional view of an atomizer according to the present invention;

FIG. 5 is an enlarged view of the lower portion of the atomizer of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a schematic diagram of atomization step A of the atomizer of the present invention;

FIG. 8 is a schematic view of the atomization step B of the atomizer of the present invention;

FIG. 9 is a schematic view of the atomizer atomization step C of the present invention;

FIG. 10 is a schematic view of the atomizer atomizing step D of the present invention;

labeled as: an atomizer main body 1, an atomizer shell 1-1, a connecting column 1-2, a mask connecting sleeve 1-3, a lower oxygen connector 1-4, a supporting leg 1-5, an upper oxygen connector 1-6, a main oxygen hole 1-7, a jet hole 1-8, a functional cavity 1-9, a liquid cavity 1-9-1, a gas cavity 1-9-2, a branch oxygen hole 1-10, a liquid suction hole 1-11, a liquid amount mark 1-12, an atomizer cover 2, a piston 3, a gas distribution structure 4, a valve core hole 4-1, a valve core 4-2, a T-shaped hole 4-3, a knob 4-4, an existing atomizer 5, an existing atomizer shell 5-1, an existing atomizer oxygen passing column 5-2, an existing atomizer inner cover 5-3, an existing atomizer outer cover 5-4, a gas distribution structure, An oxygen tube 6 and an oxygen mask 7.

Detailed Description

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

As shown in fig. 2 to 6: the atomizer comprises an atomizer body 1, a gas distribution structure 4, two pistons 3 and two atomizer covers 2; the atomizer main body 1 comprises an atomizer shell 1-1, a connecting column 1-2, a lower oxygen connector 1-4, an upper oxygen connector 1-6 and a mask connecting sleeve 1-3, the connecting column 1-2 is connected to the central top of the atomizer shell 1-1, the lower oxygen connector 1-4 is connected to the central bottom of the atomizer shell 1-1, the upper oxygen connector 1-6 is connected to the top of the connecting column 1-2, and the mask connecting sleeve 1-3 is sleeved on the upper connecting column 1-2 and connected with the upper connecting column 1-2; the atomizer body 1 is internally provided with main oxygen holes 1-7, jet holes 1-8, two branch oxygen holes 1-10, two liquid suction holes 1-11 and two function cavities 1-9, wherein the main oxygen holes 1-7 extend from lower oxygen connectors 1-4 to the position close to the top ends of connecting columns 1-2, the jet holes 1-8 extend from the top ends of the connecting columns 1-2 to the main oxygen holes 1-7, the two function cavities 1-9 are positioned at two sides of the main oxygen holes 1-7, the two branch oxygen holes 1-10 respectively extend from the bottoms of the two function cavities 1-9 to the main oxygen holes 1-7, and the two liquid suction holes 1-11 respectively extend from the tops of the two function cavities 1-9 to the jet holes 1-8; the two pistons 3 are respectively matched with the two functional cavities 1-9, and the functional cavities 1-9 are divided into an upper liquid cavity 1-9-1 and a lower gas cavity 1-9-2 by the pistons 3; the atomizer cover 2 is detachably connected with the top of the atomizer shell 1-1, and the two atomizer covers 2 respectively seal the two liquid cavities 1-9-1; the air distribution structure 4 can control the main oxygen hole 1-7 to be communicated with any branch oxygen hole 1-10 or the lower part of the main oxygen hole 1-7 to be communicated with both branch oxygen holes 1-10.

The atomization method comprises the following steps: A. as shown in fig. 7, the nebulizer cover 2 is opened, the liquid chemical is injected into the liquid chamber 1-9-1, and the nebulizer cover 2 is closed.

B. As shown in fig. 8, the oxygen pipe 6 is connected to the lower oxygen connectors 1-4; adjusting the gas distribution structure 4 to enable the main oxygen holes 1-7 to be communicated with the branch oxygen holes 1-10 on the left side; then oxygen is supplied, and oxygen enters the gas cavity 1-9-2 on the left to provide upward thrust for the piston 3; meanwhile, oxygen is sprayed out from the spray holes 1-8 at a high speed, so that negative pressure is generated in the liquid suction holes 1-11; under the action of oxygen thrust of the gas cavity 1-9-2 and negative pressure in the liquid suction hole 1-11, the left piston 3 moves upwards, and the liquid medicine fills the whole left liquid cavity 1-9-1; the right piston 3 cannot move up because the right gas chamber 1-9-2 is closed. The same adjusting and air distributing structure 4 leads the main oxygen holes 1-7 to be communicated with the right branch oxygen holes 1-10, then oxygen is supplied, the right piston 3 moves upwards, the liquid medicine fills the whole right liquid cavity 1-9-1, and the left side is not influenced.

C. As shown in fig. 9, the patient can start to atomize by connecting the oxygen inhalation mask 7 to the mask connecting sleeves 1-3. Similar to the step B, adjusting the gas distribution structure 4 to enable the main oxygen holes 1-7 to be communicated with the oxygen holes 1-10 on the left side; then oxygen is supplied, and oxygen enters the gas cavity 1-9-2 on the left to provide upward thrust for the piston 3; meanwhile, oxygen is sprayed out from the height of the spray holes 1-8, so that negative pressure is generated in the liquid suction holes 1-11; under the action of oxygen thrust of the gas cavity 1-9-2 and negative pressure in the liquid suction hole 1-11, the liquid medicine flows to the injection hole 1-8 through the liquid suction hole 1-11, and the liquid medicine is atomized by the impact of high-speed oxygen and is inhaled by a patient; meanwhile, the piston 3 moves upwards, and the liquid medicine still fills the liquid cavity 1-9-1. In the process, the right side gas cavity 1-9-2 is sealed, so that the right side liquid medicine and the piston 3 are not influenced. The same adjusting and air distributing structure 4 leads the main oxygen holes 1-7 to be communicated with the right oxygen holes 1-10, then oxygen is supplied, the right liquid medicine can be sucked out and atomized, and the left side is not affected. In the step, no matter the atomizer is vertically or horizontally arranged, the liquid cavity 1-9-1 is filled with liquid, and the liquid sucking holes 1-11 can absorb the liquid for atomization.

D. As shown in fig. 10, after the atomization is completed, the oxygen inhalation mask 7 is detached, the oxygen tube 6 is connected with the upper oxygen connectors 1-6, and the air distribution structure 4 is adjusted, so that the lower parts of the main oxygen holes 1-7 are communicated with the two branch oxygen holes 1-10; then oxygen supply is carried out, as the upper part of the main oxygen hole 1-7 is sealed by the gas distribution structure 4, oxygen enters the two liquid cavities 1-9-1 from the liquid suction holes 1-11, and the piston 3 is moved downwards to the bottom of the functional cavity 1-9 by air pressure to reset. This step can also be carried out by manually pushing the piston 3 to the bottom of the functional chamber 1-9 for resetting when cleaning the atomizer.

The invention can be seen in that two kinds of liquid medicine can be filled in the atomizing device for carrying out atomization in sequence and can be atomized in any placing direction. When only oxygen inhalation is carried out without atomization, liquid medicine is not filled in the atomizer, and oxygen directly enters the oxygen inhalation mask 7 through the main oxygen holes 1-7 and the jet holes 1-8 for inhalation of patients. When only one liquid medicine needs to be atomized, the liquid medicine is injected into only one liquid cavity 1-9-1. It can be seen that the present invention is applicable to a variety of situations.

The oxygen jet holes 1-8 of the invention jet out at high speed, so that the negative pressure generated in the liquid suction holes 1-11 is based on the Venturi effect. The oxygen flow rate in the main oxygen holes 1-7 is low, and the diameters of the branch oxygen holes 1-10 are large, so that oxygen can enter the branch oxygen holes 1-10 without generating negative pressure in the branch oxygen holes 1-10.

The atomizer body 1 is preferably transparent. The atomizer shell 1-1, the connecting column 1-2, the mask connecting sleeve 1-3, the lower oxygen connector 1-4, the supporting leg 1-5 and the upper oxygen connector 1-6 can be made into a whole.

The specific structure of the air distribution structure 4 can be various, and the invention is preferably as shown in fig. 5 and fig. 6, the air distribution structure 4 comprises a valve core hole 4-1 arranged on the atomizer housing 1-1 and a valve core 4-2 arranged in cooperation with the valve core hole 4-1, a cross-shaped hole is formed by a main oxygen hole 1-7 and two branch oxygen holes 1-10, the valve core hole 4-1 is positioned at the intersection of the main oxygen hole 1-7 and the branch oxygen holes 1-10, a T-shaped hole 4-3 capable of communicating with the main oxygen hole 1-7 and the branch oxygen holes 1-10 is arranged in the valve core 4-2, and the valve core 4-2 rotates to realize air distribution. The specific way in which the valve core 4-2 rotates to achieve air distribution is shown in fig. 6 to 9.

The valve core 4-2 needs to be rotated manually, and as shown in fig. 6, the valve core 4-2 can be rotated by arranging a knob 4-4 outside the atomizer housing 1-1.

In order to measure the amount of the added liquid medicine conveniently, liquid quantity marks 1-12 which are arranged in one-to-one correspondence with the liquid cavities 1-9-1 are arranged on the atomizer shell 1-1. When the piston 3 moves to the lowest end of the functional cavity 1-9, the upper surface of the piston 3 corresponds to the zero position of the liquid quantity mark 1-12. The fluid volume markings 1-12 may be conventional scale marks and scale values.

When observing the liquid level of the liquid medicine, the atomizer should be placed horizontally, and in order to facilitate the horizontal placement of the atomizer, the atomizer main body 1 comprises support legs 1-5, the support legs 1-5 are connected with the bottom of the atomizer shell 1-1, and the bottoms of the support legs 1-5 are lower than the bottoms of the lower oxygen connectors 1-4. The support legs 1-5 enable the atomiser to stand on a flat surface without being affected by the lower oxygen connections 1-4.

The connection of the atomizer cap 2 to the atomizer housing 1-1 is preferably a conventional threaded connection.

Claims

1. An atomizer comprising an atomizer body (1); the method is characterized in that: the device comprises a gas distribution structure (4), two pistons (3) and two atomizer covers (2);

the atomizer main body (1) comprises an atomizer shell (1-1), a connecting column (1-2), a lower oxygen connector (1-4), an upper oxygen connector (1-6) and a mask connecting sleeve (1-3), wherein the connecting column (1-2) is connected to the central top of the atomizer shell (1-1), the lower oxygen connector (1-4) is connected to the central bottom of the atomizer shell (1-1), the upper oxygen connector (1-6) is connected to the top of the connecting column (1-2), and the mask connecting sleeve (1-3) is sleeved on the upper connecting column (1-2) and connected with the upper connecting column (1-2); the atomizer main body (1) is internally provided with a main oxygen hole (1-7), an injection hole (1-8), two branch oxygen holes (1-10), two liquid suction holes (1-11) and two functional cavities (1-9), the main oxygen hole (1-7) extends to be close to the top end of the connecting column (1-2) from the lower oxygen connector (1-4), the jet hole (1-8) extends to the main oxygen hole (1-7) from the top end of the connecting column (1-2), the two functional cavities (1-9) are positioned at two sides of the main oxygen hole (1-7), the two branch oxygen holes (1-10) respectively extend to the main oxygen hole (1-7) from the bottoms of the two functional cavities (1-9), and the two liquid suction holes (1-11) respectively extend to the jet hole (1-8) from the tops of the two functional cavities (1-9);

the two pistons (3) are respectively matched with the two functional cavities (1-9), and the pistons (3) divide the functional cavities (1-9) into an upper liquid cavity (1-9-1) and a lower gas cavity (1-9-2); the atomizer covers (2) are detachably connected with the top of the atomizer shell (1-1), and the two atomizer covers (2) respectively seal the two liquid cavities (1-9-1);

the gas distribution structure (4) can control the communication between the main oxygen hole (1-7) and any branch oxygen hole (1-10) or the communication between the lower part of the main oxygen hole (1-7) and both branch oxygen holes (1-10); the gas distribution structure (4) comprises a valve core hole (4-1) arranged on the atomizer shell (1-1) and a valve core (4-2) matched with the valve core hole (4-1), a cross-shaped hole is formed by the main oxygen hole (1-7) and the two branch oxygen holes (1-10), the valve core hole (4-1) is located at the intersection of the main oxygen hole (1-7) and the branch oxygen holes (1-10), a T-shaped hole (4-3) capable of being communicated with the main oxygen hole (1-7) and the branch oxygen holes (1-10) is arranged in the valve core (4-2), and gas distribution is realized by rotation of the valve core (4-2).

2. The nebulizer of claim 1, wherein: the atomizer shell (1-1) is provided with liquid quantity marks (1-12) which are arranged corresponding to the liquid cavities (1-9-1) one by one.

3. A nebulizer as claimed in claim 2, wherein: the atomizer main body (1) comprises support legs (1-5), the support legs (1-5) are connected with the bottom of the atomizer shell (1-1), and the bottoms of the support legs (1-5) are lower than the bottoms of the lower oxygen connectors (1-4).

4. A nebulizer as claimed in claim 3, wherein: the atomizer cover (2) is in threaded connection with the atomizer shell (1-1).