CN219049909U

CN219049909U - Inhalation device for medicaments

Info

Publication number: CN219049909U
Application number: CN202222878366.1U
Authority: CN
Inventors: 牛德昭
Original assignee: Taian Dalu Medical Instrument Co ltd
Current assignee: Taian Dalu Medical Instrument Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-23
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a medicine inhalation device. The inhalation device comprises a dosing bin, a push button and a suction nozzle. The medicine dispensing bin comprises at least one medicine bin body, the medicine bin body is provided with a medicine bin side wall and a medicine bin bottom surface, and the medicine bin side wall and the medicine bin bottom surface form a capsule accommodating cavity; the side wall of the medicine bin is provided with an inner surface and an outer surface, and the inner surface is provided with an arc; the medicine bin side wall is provided with at least two medicine bin air passages, each medicine bin air passage is provided with a first air passage side wall and a second air passage side wall, the first air passage side wall and the second air passage side wall are oppositely arranged, the first air passage side wall is tangential to the inner surface, and an included angle between the second air passage side wall and the first air passage side wall is 1-10 degrees; the push button comprises a push button body and a puncture unit; the puncture unit is connected with the push button body, and can enter the capsule accommodating cavity to puncture the medicine capsule; the suction nozzle is internally provided with a suction nozzle channel which is communicated with the capsule accommodating cavity and the medicine bin air passage. The inhalation device can reduce the resistance of a user inhaling the medicinal powder.

Description

Inhalation device for medicaments

Technical Field

The utility model relates to a medicine inhalation device, in particular to a powder fog inhalation device.

Background

Inhalation therapy is to inhale dry powder or medicine converted into aerosol directly into lower airway and lung via inhalation route to achieve therapeutic purpose. Inhalation therapy is an important administration method for treating respiratory diseases such as asthma, and has the advantages of quick response, good targeting property, small dosage, high bioavailability, small side effect and the like.

CN111388814a discloses a powder inhalation device. The device comprises a suction nozzle and a medicine bin, wherein a puncture mechanism is arranged at one end of the suction nozzle. The suction nozzle, the medicine bin and the puncturing mechanism are hollow structures, an air flow guide column is arranged in the suction nozzle, and an interlayer is formed between the outer wall of the air flow guide column and the inner wall of the suction nozzle. At least one group of main air inlets are arranged on the outer wall of the suction nozzle, and the main air inlets are communicated with the interlayer. The top of the air flow guiding column is connected with an air outlet, and the outer wall of the suction nozzle is provided with at least three auxiliary air inlets near the upper part of the air outlet and communicated with the inside of the suction nozzle. The outer wall of the suction nozzle is provided with at least three auxiliary air inlets near the upper part of the air outlet and communicated with the inside of the suction nozzle, the outer wall of the suction nozzle and the inner wall of the medicine bin are provided with matched connecting structures, and a step structure is arranged below the connecting structures of the medicine bin. The powder inhalation device has high inhalation resistance, and the discharge rate of the powder in the capsule needs to be improved.

CN202211916U discloses a powder aerosol administration device. The powder spray agent feeder comprises a powder suction nozzle, an administration bin, a needle-inserting push button and a base. The medicine powder suction nozzle, the medicine administration bin and the base are sequentially connected, the lower part of the medicine administration bin is provided with a capsule medicine bin, two sides of the capsule medicine bin are correspondingly provided with a needle insertion push button, and two sides of the upper part of the medicine administration bin are correspondingly provided with cyclone air inlets. The medicine powder feeder has high inhalation resistance, and the discharge rate of medicine powder in the capsule needs to be improved.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide an inhalation device. The inhalation device can reduce the resistance of the user when inhaling the medicine powder, and is convenient for the user to use. Further, the inhalation device can improve the evacuation rate of the drug powder in the drug capsule.

The technical problems are solved by the following technical scheme.

The utility model provides an inhalation device, which comprises a medicine dispensing bin, a push button and a suction nozzle;

the medicine dispensing bin comprises at least one medicine bin body, wherein the medicine bin body is provided with a medicine bin side wall and a medicine bin bottom surface, and the medicine bin side wall and the medicine bin bottom surface form a capsule accommodating cavity;

the side wall of the medicine bin is provided with an inner surface and an outer surface, and the inner surface is provided with an arc; the medicine bin side wall is provided with at least two medicine bin air passages, each medicine bin air passage is provided with a first air passage side wall and a second air passage side wall, the first air passage side wall and the second air passage side wall are oppositely arranged, the first air passage side wall is tangential to the inner surface, and an included angle between the second air passage side wall and the first air passage side wall is 1-10 degrees;

the push button comprises a push button body and a puncture unit; the puncture unit is connected with the push button body, and can enter the capsule accommodating cavity to puncture the medicine capsule;

the suction nozzle is internally provided with a suction nozzle channel which is communicated with the capsule accommodating cavity and the medicine bin air passage.

According to the inhalation device of the present utility model, preferably, the inhalation device further comprises a dust cover and a lower housing; the dustproof cover is connected with the lower shell and forms a medicine bin accommodating cavity with the lower shell; the medicine bin body is positioned in the medicine bin accommodating cavity;

the dust cover is provided with a dust cover first channel which communicates the capsule accommodating cavity with the suction nozzle channel and communicates the medicine bin air channel with the suction nozzle channel.

According to the suction device of the present utility model, preferably, one side of the suction nozzle is rotatably connected to one side of the dust cover, and the other side of the suction nozzle is snap-connected to the other side of the dust cover;

the suction nozzle channel is close to one end of the capsule accommodation cavity and is provided with a filter screen, and the filter screen is arranged to prevent fragments of the medicine capsule shell from entering the suction nozzle channel.

According to the inhalation device of the present utility model, preferably, the piercing unit comprises a connecting portion and a piercing portion; the connecting part is connected with the push button body;

the puncture part is connected with the connecting part and comprises an arc surface and three sloping surfaces; one cambered surface and three sloping surfaces are converged at one point to form the tip of the puncture part.

According to the inhalation device of the present utility model, preferably, the three slopes are a first slope, a second slope and a third slope, respectively; the area of the first slope surface is larger than that of the second slope surface and larger than that of the third slope surface; the first slope surface is arranged opposite to the cambered surface, and the second slope surface is arranged opposite to the third slope surface.

According to the inhalation device of the present utility model, preferably, the piercing units are arranged in two groups, namely, a first piercing unit and a second piercing unit;

the first puncture unit is arranged at the upper part of the push button, and the second puncture unit is arranged at the lower part of the push button;

the cambered surface of the puncture part of the first puncture unit is opposite to the cambered surface of the puncture part of the second puncture unit.

According to the inhalation device of the present utility model, preferably, the administration cassette further comprises an administration cassette passage and an elastic unit positioning device; the push button further comprises an elastic unit;

the medicine compartment channel is connected with the side wall of the medicine compartment and is communicated with the capsule accommodating cavity; the puncture unit is positioned in the administration bin channel;

the elastic unit positioning device is connected with the side wall of the medicine bin;

one end of the elastic unit is abutted with the push button body, and the other end of the elastic unit is sleeved on the periphery of the elastic unit positioning device.

According to the inhalation device of the present utility model, preferably, the cartridge body is two or more, and the cartridge bodies are connected by a connecting member.

According to the inhalation device of the present utility model, preferably, the dust cap is provided with at least two dust cap first passages, which are respectively communicated with the capsule accommodating cavities and the medicine bin airways of different medicine bin bodies;

at least one side of the medicine bin accommodating cavity is provided with an opening, and the puncture unit enters the medicine bin accommodating cavity through the opening.

According to the suction device of the present utility model, preferably, the suction device further includes an upper case, and the upper case is sleeved on the suction nozzle.

According to the medicine bin air passage, the air flow resistance can be reduced, and the capsules in the medicine bin can move upwards in a rotating mode under the action of tangential force of air flow entering the medicine bin air passage, so that the traditional Chinese medicine powder in the capsules is emptied under the action of centrifugal force, and the emptying rate of the medicine powder is improved. The puncture unit is easy to puncture the capsule, the hole formed by puncturing the capsule is a round hole, and the structure of the puncture part can improve the emptying rate of the traditional Chinese medicine powder in the capsule.

Drawings

Fig. 1 is an exploded view of an inhalation device of the present utility model.

Fig. 2 is a schematic structural view showing a use state of the inhalation device of the present utility model.

Fig. 3 is a perspective view of a medication administration cartridge of the inhalation device shown in fig. 1.

Fig. 4 is a top view of the administration cartridge shown in fig. 3.

Fig. 5 is a cross-sectional view of the dust cap of the inhalation device shown in fig. 1.

Fig. 6 is a schematic view of the structure of the push button of the inhalation device shown in fig. 1.

Fig. 7 is a schematic structural view of the puncture unit of the push button shown in fig. 6.

Fig. 8 is a cross-sectional view of a suction nozzle of the suction device shown in fig. 1.

The reference numerals are as follows:

1-a dosing bin; 101-a medicine bin body; 1011-side walls of the medicine bin; 1012-inner surface; 1013-an outer surface; 1014-drug depot airways; 1015-a first gas channel sidewall; 1016-second airway sidewall; 104-a connection member; 102-a medication compartment channel; 103-elastic unit positioning means; 2-push button; 21-a push button body; 211-pushing surface; 22-elastic units; a 23-puncture unit; 231-connection; 2321-a first ramp; 2322-a second ramp; 2323-third ramp; 3-suction nozzle; 31-a suction nozzle inner shell; 32-a suction nozzle housing; 311-suction nozzle channel; 312-a filter screen; 4-a dust cap; 41-a dust cap first passage; 42-airway wall; 43-a dust cap second channel; 5-a lower housing; 6-upper shell.

Detailed Description

The present utility model will be further described with reference to specific examples, but the scope of the present utility model is not limited thereto.

The up, down, left and right in the present utility model are determined by the relative positions of the inhalation device when in use.

The inhalation device of the present utility model may be a powder mist inhalation device. The inhalation device may comprise a medication administration cartridge, a push button, a suction nozzle. One or more of a dust cap, a lower housing, an upper housing may also be included.

< drug administration warehouse >

The drug administration bin of the utility model comprises a drug bin body. The administration cartridge may further comprise one or more of a connection member, a cartridge channel and an elastic unit positioning means.

Medicine bin body and connecting part

The medicine bin body comprises a medicine bin side wall and a medicine bin bottom surface. The side wall of the medicine bin and the bottom surface of the medicine bin form a capsule accommodating cavity. The upper end of the capsule receiving chamber is open for the entry of a drug capsule into the capsule receiving chamber. The capsule receiving chamber may be the same shape as the drug capsule, for example the capsule receiving chamber may be a cylinder.

The cartridge sidewall has an inner surface and an outer surface.

The inner surface has a certain curvature. The projection A of the inner surface on the plane of the bottom surface of the medicine bin can be round or oval. According to one embodiment of the utility model, the projection a is circular.

The outer surface has a certain radian. The projection B of the outer surface on the plane of the bottom surface of the medicine bin can be round or oval. According to one embodiment of the utility model, projection B is circular.

When projection a and projection B are both circular, they are concentric circles. When both projections a and B are elliptical, they have the same focus.

The bottom surface of the medicine bin can be round or oval.

At least two medicine bin air passages are arranged on the side wall of the medicine bin. The medicine storehouse air flue is arranged at the upper end of the side wall of the medicine storehouse. The medicine bin air passage can be provided with a plurality of, for example, 4, 6 or 8. The plurality of medicine bin air passages can be uniformly distributed on the side wall of the medicine bin. This reduces the resistance to air flow and creates a tangential force.

The drug storage air channel provided by the utility model is provided with a first air channel side wall and a second air channel side wall. The first airway sidewall is tangential to the inner surface. The second air passage side wall is arranged opposite to the first air passage side wall. An included angle alpha can be formed between the second air passage side wall and the first air passage side wall. Alpha is 1-10 degrees; preferably 3 to 8 °; more preferably 4 to 7 °. Therefore, not only can the airflow resistance be reduced, but also the medicine capsule can rotate upwards under the action of airflow tangential force, so that the medicine powder in the medicine capsule is discharged under the action of centrifugal force, and the emptying rate of the medicine powder is improved.

According to one embodiment of the utility model, the upper end of the side wall of the medicine compartment is stepped. This facilitates the introduction of air flow from the cartridge airway of the cartridge side wall into the capsule receiving chamber.

In the utility model, the medicine bin body can be arranged into one or a plurality of medicine bin bodies; for example two. The medicine bin bodies can be connected through the connecting parts. The connecting component can be a connecting rod, a connecting plate and the like.

Medicine feeding bin channel and elastic unit positioning device

The drug administration bin channel is connected with the side wall of the drug bin. According to one embodiment of the utility model, the administration port is connected to a lower portion of the side wall of the cartridge. The administration cartridge passageway may be tubular in configuration.

The side wall of the medicine bin is provided with a medicine feeding bin through hole. The through hole of the medicine feeding bin can be arranged at the lower part of the side wall of the medicine bin. The through hole of the dosing bin is communicated with the dosing bin channel. Thus, the puncture unit can enter the medicine bin through the medicine bin channel and the medicine bin through hole.

The elastic unit positioning device is connected with the side wall of the medicine bin. The elastic unit positioning device and the administration bin channel are arranged on the same side of the side wall of the medicine bin. The spring positioning device is arranged above the medicine feeding bin channel.

< push button >

The push button comprises a push button body, an elastic unit and a puncture unit. The push buttons can be arranged in one or a plurality. The number of the push buttons can be equal to the number of the medicine bin bodies. Each medicine bin body is respectively provided with a push button.

Push button body

The push button body is provided with a pushing surface and a fixing surface which are oppositely arranged. The pushing surface is provided with anti-skid grains. The fixing surface is used for being connected with the elastic unit and the puncture unit.

Puncture unit

The puncture unit is connected with the push button body. Specifically, the puncture unit is connected to the fixing surface. The puncture unit and the push button body can be injection molded into a whole. The penetration unit may include a connection portion and a penetration portion. The connecting part is connected with the push button body. The puncture part is connected with the connecting part.

The puncture part comprises an arc surface and three sloping surfaces. The puncture part can be formed by encircling an arc surface and three sloping surfaces. One cambered surface and three sloping surfaces are converged at one point to form the tip of the puncture part. The three slopes are a first slope, a second slope and a third slope respectively. The area of the first slope surface is larger than that of the second slope surface and larger than that of the third slope surface. The first slope surface is opposite to the cambered surface. The second slope surface is opposite to the third slope surface. The cambered surface is smoothly connected with the connecting part. Thus, the capsule is easy to puncture, and the emptying rate of the traditional Chinese medicine powder in the capsule can be improved.

The puncturing units may be provided in a plurality, for example two, four or six. The plurality of puncture units can be divided into two groups and are distributed at the upper part and the lower part of the push button body. According to one embodiment of the utility model, the piercing units are divided into two groups, a first piercing unit and a second piercing unit, respectively. The first puncture unit is connected with the lower part of the push button body, and the second puncture unit is connected with the upper part of the push button body. The cambered surface of the puncture part of the first puncture unit is opposite to the cambered surface of the puncture part of the second puncture unit.

Elastic unit

One end of the elastic unit is abutted against the push button body. Specifically, one end of the elastic unit is abutted against the fixing surface. The other end of the elastic unit is abutted against the side wall of the medicine bin. According to one embodiment of the utility model, the other end of the elastic unit is sleeved on the periphery of the spring positioning device and is abutted against the side wall of the medicine bin.

The elastic unit may be located at the middle of the push button body. In certain embodiments, the resilient unit is located between two sets of piercing units.

The elastic unit is used for controlling the distance between the puncture unit and the medicine capsule in the capsule accommodating cavity. The elastic unit may be a spring.

< suction nozzle >

The suction nozzle is internally provided with a suction nozzle channel. The suction nozzle channel is communicated with the capsule accommodating cavity and is communicated with the air passage of the medicine bin. In certain embodiments, the mouthpiece channel communicates with the capsule receiving chamber and the drug cartridge airway through a first dust cap channel disposed within the dust cap. When a user inhales, the airflow entering from the air passage of the medicine bin can generate tangential force, and the medicine capsule can be rotated upwards under the action of the tangential force. The suction nozzle channels can be arranged in one piece or a plurality of pieces. The number of the suction nozzle channels can be equal to the number of the medicine bin bodies. Each medicine bin body can correspond to one suction nozzle channel respectively.

A filter screen is arranged at one end of the suction nozzle channel close to the capsule accommodating cavity. The filter screen is used for blocking fragments of the outer shell of the medicine capsule from entering the suction nozzle channel.

One side of the suction nozzle is rotationally connected with the dust cover. The other side of the suction nozzle is connected with the dust cover in a buckling way.

The suction nozzle may include a suction nozzle inner housing and a suction nozzle outer housing. The suction nozzle shell is sleeved outside the suction nozzle inner shell and is connected with the suction nozzle inner shell. A suction nozzle channel is arranged in the suction nozzle inner shell. One side of the suction nozzle shell is rotationally connected with the dust cover, and the other side of the suction nozzle shell is in buckling connection with the dust cover.

< dust cover and lower housing >

The dust cover is connected with the lower shell. The dust cover and the lower shell form a medicine bin accommodating cavity. The medicine bin body is positioned in the medicine bin accommodating cavity. In certain embodiments, the administration cartridge is located in the cartridge receiving chamber. The top shield of medicine storehouse body contacts. The bottom of the medicine bin body is contacted with the lower shell.

At least one side of the medicine bin accommodating cavity is provided with an opening. In certain embodiments, openings are provided on both sides of the drug cartridge receiving cavity. The opening is used for allowing the puncture unit to enter the medicine compartment accommodating cavity.

The dust cap is provided with a dust cap first passage. The first channel of the dust cover is communicated with a suction nozzle channel arranged on the suction nozzle. The first channel of the dust cover is communicated with the capsule accommodating cavity and the air passage of the medicine bin. The first passage of the dust cover can be arranged in one or a plurality of ways. The number of the first channels of the dust cover can be the same as the number of the medicine bin bodies.

The second passageway of the dust cap is connected to the airway wall forming the first passageway of the dust cap. The air passage wall may be provided with a dust cap through hole to communicate the dust cap second passage with the dust cap first passage. The puncture unit is positioned in the second channel of the dust cover. According to one embodiment of the utility model, the second puncture unit is located in the second channel of the dust cap. The second passage of the dust cap may be circular tube shaped.

< Upper housing >

The upper shell is sleeved outside the suction nozzle. The upper shell is used for closing or protecting the suction nozzle.

Example 1

As shown in fig. 1 and 2, the inhalation device of the present utility model comprises a administration cassette 1, a push button 2, a mouthpiece 3, a dust cap 4, a lower housing 5 and an upper housing 6.

As shown in fig. 3, the medicine cartridge 1 includes a cartridge body 101, a connecting member 104, a medicine cartridge path 102, and an elastic unit positioning device 103.

The cartridge body 101 has a cartridge side wall 1011 and a cartridge bottom surface. The side wall 1011 of the medicine bin and the bottom surface of the medicine bin form a capsule accommodating cavity. The upper end of the capsule receiving chamber is open for the entry of a drug capsule into the capsule receiving chamber.

The cartridge side wall 1011 has an inner surface 1012 and an outer surface 1013. The projection a of the inner surface 1012 on the plane of the bottom surface of the cartridge is circular. The projection B of the outer surface 1013 on the plane of the bottom surface of the cartridge is circular. Projection a and projection B are concentric circles.

As shown in fig. 3 and 4, the upper end of the cartridge side wall 1011 is provided with at least two cartridge airways 1014. In this embodiment four drug cartridge airways 1014 are provided. These cartridge airways 1014 are evenly distributed across the top of the cartridge side walls 1011. The cartridge airway 1014 has a first airway sidewall 1015 and a second airway sidewall 1016. The first airway sidewall 1015 and the second airway sidewall 1016 are disposed opposite. The first airway sidewall 1015 is tangential to the inner surface 1012. The angle between the second airway sidewall 1016 and the first airway sidewall 1015 is 3-8 °. In this embodiment, the angle between the second airway sidewall 1016 and the first airway sidewall 1015 is 6 °.

The lower part of the side wall 1011 of the medicine bin is provided with a medicine feeding bin through hole.

The administration cassette 1 of the present embodiment includes two cassette bodies 101. The two medicine compartment bodies 101 are connected through a connecting part 104. In the present embodiment, the connection member 104 is a connection plate. A medication chamber channel 102 and an elastic unit positioning device 103 are connected to one side of each medication chamber body 101 away from the connecting member 104. The administration port 102 communicates with the administration port opening. The piercing unit 23 enters the capsule receiving chamber through the administration cartridge passageway 102. The elastic unit positioning means 103 is arranged above the administration cassette passage 102.

As shown in fig. 1 and 2, the dust cover 4 is disposed above the lower housing 5 and is connected to the lower housing 5. The dust cap 4 and the lower housing 5 form a medicine compartment accommodating chamber. The medicine compartment body 101 is located in the medicine compartment receiving chamber. The top of the medicine compartment body 101 is in contact with the dust cover 4. The bottom of the medicine compartment body 101 is in contact with the lower housing 5. The cartridge receiving chamber is provided with openings on both sides for the penetration unit 23 to enter the cartridge receiving chamber.

As shown in fig. 5, the dust cap 4 is provided with a dust cap first passage 41. The dust cap first passage 41 communicates with the capsule receiving chamber and the cartridge airway 1014. The first channels 41 of the dust cover are arranged in two and are respectively communicated with the capsule accommodating cavities of the two medicine compartment bodies 1011 and the medicine compartment air passages 1014. The air passage wall 42 forming the dust cap first passage 41 is provided with a dust cap through hole. The dust cap second passage 43 is connected to the air passage wall 42 and communicates with the dust cap through hole.

As shown in fig. 6, the push button 2 includes a push button body 21, an elastic unit 22, and a puncture unit 23. The present embodiment is provided with two push buttons 2.

The push button body 21 has a pressing surface 211 and a fixing surface which are disposed opposite to each other. The pressing surface 211 is provided with anti-slip grains.

The puncture units 23 of the present embodiment are provided in two groups, which are a first puncture unit and a second puncture unit, respectively. The first puncture unit is connected to the lower portion of the fixing surface of the push button body 21. The second puncture unit is connected to the upper portion of the fixing surface of the push button body 21.

The puncturing unit 23 includes a connecting portion 231 and a puncturing portion connected. The connection portion 231 is connected to the fixing surface of the push button body 21. The connection portion 231 is connected to the puncture portion. The connecting part is a cylinder.

As shown in fig. 7, the puncture part includes a first slope 2321, a second slope 2322, a third slope 2323, and a curved surface. First slope 2321, second slope 2322, third slope 2323 and the arc surface converge at a point, forming the tip of the piercing section. The first slope 2321 is disposed opposite the curved surface. The area of first slope 2321 is greater than the area of second slope 2322 and greater than the area of third slope 2323. The area of second ramp 2322 may be equal to the area of third ramp 2323. Second ramp 2322 is disposed opposite third ramp 2323. The arc surface is smoothly connected with the connection portion 231. The arc surface may be formed by extending the connection portion 231.

One end of the elastic unit 22 is abutted against the fixing surface of the push button body 21. The other end of the elastic unit 22 is sleeved on the periphery of the elastic unit positioning device 103 and is abutted against the side wall 1011 of the medicine bin. The elastic unit 22 is located between the first puncture unit and the second puncture unit. The elastic unit 22 may be a spring.

The elastic unit 22 and the puncture unit 23 pass through the opening of the medicine compartment accommodating chamber and enter the medicine compartment accommodating chamber. The first piercing unit is located within the administration cartridge passageway 102. The second puncture unit is located in the dust cap second channel 43.

As shown in fig. 8, the suction nozzle 3 includes a suction nozzle inner case 31 and a suction nozzle outer case 32. The nozzle outer case 32 is sleeved outside the nozzle inner case 31 and connected to the nozzle inner case 31.

One side of the suction nozzle housing 32 is rotatably connected to one side of the dust cap 4. The other side of the suction nozzle housing 32 is snap-connected to the other side of the dust cap 4.

The nozzle inner case 31 has a nozzle passage 311 therein. The suction nozzle channel 311 is provided with a sieve 312 at one end near the capsule receiving chamber. The screen 312 blocks the entry of drug capsule shell fragments into the mouthpiece channel 311. The nozzle inner housing 31 of the present embodiment has two nozzle passages 311 therein. The two suction nozzle passages 311 are respectively communicated with the two first dust cover passages 41 provided in the dust cover 4.

The upper shell 6 is sleeved outside the suction nozzle 3.

When the dust-proof device is used, the upper shell 6 is taken down from the suction nozzle 3, and then the suction nozzle 3 is opened from one end which is in buckling connection with the dust-proof cover 4, so that an included angle between the suction nozzle 3 and the dust-proof cover 4 is about 90 degrees. The medicine capsule is put into the capsule receiving chamber from the dust cap first passage 41 of the dust cap 4, and then the mouthpiece 3 is covered, so that the mouthpiece 3 is fixed with the dust cap 4. The push buttons 2 on the two sides of the suction device are pressed, and the elastic unit 22 is elastically deformed under the action of pressure; the first puncture unit enters the capsule accommodating cavity through the through hole of the administration bin to puncture the medicine capsule; the second puncture unit is inserted into the capsule accommodating cavity through the dust cover through hole to puncture the medicine capsule. The user inhales from the end of the mouthpiece channel 31 of the mouthpiece 3 remote from the capsule receiving chamber. Part of air flow generated by inhalation enters the capsule accommodating cavity from the air passage 1014 of the medicine bin, and under the action of tangential air flow, the medicine capsule in the capsule accommodating cavity rotates upwards, so that medicine powder in the medicine capsule is discharged under the action of centrifugal force and inhaled into the mouth of a user.

The present utility model is not limited to the above-described embodiments, and any modifications, improvements, substitutions, and the like, which may occur to those skilled in the art, fall within the scope of the present utility model without departing from the spirit of the utility model.

Claims

1. An inhalation device for medicaments, characterized in that the inhalation device comprises a medicament administration bin, a push button and a suction nozzle;

2. The inhalation device according to claim 1, further comprising a dust cap and a lower housing; the dustproof cover is connected with the lower shell and forms a medicine bin accommodating cavity with the lower shell; the medicine bin body is positioned in the medicine bin accommodating cavity;

3. An inhalation device according to claim 2, wherein:

one side of the suction nozzle is rotationally connected with one side of the dust cover, and the other side of the suction nozzle is in buckling connection with the other side of the dust cover;

4. The inhalation device according to claim 1, wherein the penetration unit comprises a connection portion and a penetration portion; the connecting part is connected with the push button body;

5. The inhalation device according to claim 4, wherein the three ramp surfaces are a first ramp surface, a second ramp surface and a third ramp surface, respectively; the area of the first slope surface is larger than that of the second slope surface and larger than that of the third slope surface; the first slope surface is arranged opposite to the cambered surface, and the second slope surface is arranged opposite to the third slope surface.

6. The inhalation device according to claim 4, wherein said piercing units are arranged in two groups, a first piercing unit and a second piercing unit, respectively;

7. The inhalation device according to claim 1, wherein the administration cassette further comprises an administration cassette channel and an elastic unit positioning means; the push button further comprises an elastic unit;

8. The inhalation device according to claim 2, wherein said cartridge bodies are two or more, and wherein said cartridge bodies are connected by a connecting member.

9. The inhalation device according to claim 8, wherein the dust cap is provided with at least two dust cap first channels which are respectively in communication with the capsule receiving cavities and the cartridge airways of different cartridge bodies;

10. The inhalation device according to any one of claims 1 to 9, further comprising an upper housing which is fitted over the mouthpiece.