KR20240045885A - Intranasal inhaler - Google Patents

Abstract

The embodiment relates to a nasal inhaler.
The embodiment includes a case including a straight suction passage and a nozzle connected to the suction passage and through which a chemical solution is sprayed; A chemical liquid container coupled to the case and including a valve stem coupled to the suction flow path and a valve that opens and closes the valve stem; A propellant container coupled to the case and including a valve stem coupled to the suction passage at an interval from the chemical liquid container and a valve that opens and closes the valve stem; and a pressing part that is coupled to the case to enable linear movement and pressurizes the chemical liquid container and the propellant container. A nasal inhaler is provided, wherein both the chemical liquid container and the propellant container are installed between the pressing part and the suction passage.

Description

Nasal inhaler {INTRANASAL INHALER}

The embodiment relates to a nasal inhaler.

Medical nasal inhalers, which deliver drugs into the nasal cavity so that they are deposited on the mucous membrane of the nasal cavity or adsorbed to the airways or lungs, are widely used for treatment purposes.

1 is a diagram showing a nasal inhaler according to the prior art. Nasal inhalers (1) according to the prior art deliver compounds into the nasal cavity and deposit the compounds into the nasal cavity beyond the nasal valve. Deposits include the turbinates and/or the olfactory area. The delivered compound is a liquid. As shown in FIG. 1, the nasal inhaler 1 includes a housing 10, a diffuser 20, a tip 35, a nozzle 40, a dispensing chamber 45, an actuator 50, and the dispensing chamber. It includes a pump (25) for moving the compound to (45). In one aspect, the nasal inhaler (1) includes a vial (30) of compound, a propellant valve (15) and a propellant canister ( 5) It is connected to and operates in cooperation with it.

However, in the nasal inhaler according to the prior art, the vial 30 and the propellant container 5 are arranged vertically in the housing 10, and the propellant container 5 is used while holding the housing 10 or the vial 30. Since you have to press and inhale, it has the disadvantage of being difficult to use for the elderly and those with weak grip strength.

Republic of Korea Patent Publication No. 10-2018-0052662 Republic of Korea Patent Publication No. 10-2021-0109007

The purpose of the embodiment is to provide a nasal inhaler that can be easily operated by elderly people with insufficient grip strength.

The embodiment includes a case including a straight suction passage and a nozzle connected to the suction passage and through which a chemical solution is sprayed; A chemical liquid container coupled to the case and including a valve stem coupled to the suction flow path and a valve that opens and closes the valve stem; A propellant container coupled to the case and including a valve stem coupled to the suction flow path at a distance from the chemical liquid container and a valve that opens and closes the valve stem; and a pressing part that is coupled to the case to enable linear movement and pressurizes the chemical liquid container and the propellant container. A nasal inhaler is provided, wherein both the chemical liquid container and the propellant container are installed between the pressing part and the suction passage.

As another aspect of the embodiment, the case is characterized by consisting of a bracket capable of combining the chemical liquid container and the propellant container, a lower case surrounding the lower part of the bracket and having a suction flow path installed, and an upper case surrounding the upper part of the bracket and having a pressing part installed. Provide a nasal inhaler.

As another aspect of the embodiment, the pressing unit has a first pressing end that presses the chemical liquid container and a second pressing end that presses the propellant container, and the first pressing end protrudes further than the second pressing end so that the valve of the chemical liquid container is connected to the propellant container. A nasal inhaler is provided, characterized in that it opens before the valve.

As another aspect of the embodiment, the suction flow path includes an L-shaped first connector to which the valve stem of the propellant container is coupled, a first tube to which the first connector is coupled, and a T-shaped connector to which the valve stem of the chemical container and the first tube are coupled. It provides a nasal inhaler characterized by having 2 connectors and a second tube connecting the second connector and the nozzle.

As another aspect of the embodiment, a nasal inhaler is provided, further comprising a backflow prevention filter installed in the second connector at a position in contact with the first tube.

By placing the chemical liquid container and the propellant container storing the chemical liquid on the same side of the housing, the chemical liquid container and the propellant container can be operated by pressing them with four fingers, which has the advantage that the elderly and infirm can easily operate the nasal inhaler.

1 is a diagram showing a nasal inhaler according to the prior art;
2 is a cross-sectional view of a nasal inhaler according to an embodiment;
3 is a side view of a nasal inhaler according to an embodiment;
4 is an exploded view of the upper case of the nasal inhaler according to the embodiment;
Figure 5 is a view showing the valve of the medicine container being opened by the pressing part of the nasal inhaler according to the embodiment;
Figure 6 is a view showing the valves of the chemical liquid container and the propellant container being opened by the pressing part of the nasal inhaler according to the embodiment.

Hereinafter, the embodiment will be described in more detail with reference to the drawings.

FIG. 2 is a cross-sectional view of a nasal aspirator according to an embodiment, FIG. 3 is a side view of a nasal aspirator according to an embodiment, and FIG. 4 is an exploded view of the upper case of the nasal aspirator according to an embodiment.

The nasal inhaler according to the embodiment includes a straight suction passage 400 and a case 110, 120, 130 connected to the suction passage 400 and having a nozzle 122 through which a chemical solution is sprayed, and cases 110, 120, A chemical liquid container (200) mounted on the chemical liquid container (200), a propellant container (300) mounted on the cases (110, 120, 130) in parallel with the chemical liquid container (200), and movable up and down in the cases (110, 120, 130). It includes a pressing part 140 that is combined to pressurize the chemical liquid container 200 and the propellant container 300.

The case (110, 120, 130) is coupled to a bracket (110) on which the chemical liquid container (200) and the propellant container (300) are removable, and a lower portion of the bracket (110) where the suction flow path (400) is installed. It is coupled to the upper part of the case 120 and the bracket 110 and includes an upper case 130 on which a pressing part 140 is installed.

The liquid container 200 has a valve structure on the lower side of the sealed container 210 to store the chemical liquid. When the chemical liquid container 200 is pressurized by the pressing part 140 while the valve stem 250 is fixed to the bracket 110, the container 210 is lowered.

A valve housing 220 is installed on the lower side of the container 210, and a spring 230 is installed within the valve housing 220. The upper end of the spring 230 is supported by the valve housing 220, and the lower end of the spring 230 is fixed to the rod 240. The lower end of the rod 240 is coupled with the valve stem 250. The valve stem 250 has an axial hollow 252 formed to discharge the chemical solution, and an orifice 254 is formed to communicate the hollow 252 with the external space. As the container 210 rises and falls, the orifice 254 selectively connects the internal space of the container 210 and the hollow 252, or connects the external space of the container 210 and the hollow 252. That is, when the container 210 is lowered and the orifice 254 of the valve stem 250 is located within the container 210, the chemical liquid flows into the hollow 252 through the orifice 254 and flows into the suction passage 400. , when the container 210 returns to its original position by the restoring force of the spring 230, the orifice 254 is located outside the container 210. At this time, the internal space of the bracket 110 where the orifice 254 is located has the same pressure and composition as the atmosphere, so fluid does not flow along the suction passage 400.

The valve structure inside the propellant container 300 is the same as that of the chemical liquid container 200, and the operating principle is also the same.

The suction flow path 400 includes an L-shaped first connector 420 to which the valve stem 350 of the propellant cylinder 300 is coupled, a first tube 440 coupled downstream of the first connector 420, and a chemical solution. A T-shaped second connector 430 that connects the valve stem 250 of the barrel 200 and the first tube 440, and a second tube 430 that connects the second connector 430 and the nozzle 122. Includes. At this time, a third connector 450 connecting the second tube 430 and the nozzle 122 may be further included, if necessary. Additionally, a backflow prevention filter 500 may be installed in the second connector 430 at a position in contact with the first tube 440. The backflow prevention filter 500 is made of sintered PE or PTFE material, and can block nasal mucus, etc. from entering the propellant by allowing only gas to pass through and preventing liquid from passing through.

Meanwhile, a nozzle tip 150 that can be removed and replaced or cleaned may be installed in the nozzle 122. It is preferable that the nozzle tip 150 and the nozzle 122 are screwed together so that they can be easily attached and detached. However, the nozzle 122 is formed in a smooth shape without separate threads on the outside, and the nozzle tip 150 is made of silicone or natural material. Alternatively, the nozzle 122 may be made of an elastic material such as synthetic rubber so that it is press-fitted into the nozzle tip 150.

Meanwhile, the pressing part 140 has a first pressing end 142 for pressing the chemical liquid container 200 and a second pressing end 144 for pressing the propellant container 300, and the first pressing end 142 is the first pressing end 142. 2 It is preferable that the valve of the chemical liquid container 200 is opened before the valve of the propellant container 300 by protruding further than the push end 144.

Accordingly, when the pressing part 140 is pressed, the chemical liquid container 200 and the propellant container 300 operate sequentially due to the height difference between the first pressing end 142 and the second pressing end 144.

Figure 5 is a view showing the valve of the medicine container being opened by the pressing part of the nasal inhaler according to the embodiment, and Figure 6 is a diagram showing the valves of the medicine solution container and the propellant container being opened by the pressing part of the nasal inhaler according to the embodiment. This is a drawing showing what it looks like.

When the press part 140 is pressed, the first press end 142 presses the chemical liquid container 200, the container 210 descends, and the upper end of the valve stem 250 on which the orifice 254 is formed is the container 210. It is located within. Accordingly, the chemical liquid in the container 210 is sprayed through the orifice 254 and the hollow 252 and flows into the second connector 410. When the pressing part 140 is further pressed, the second pressing end 144 pressurizes the propellant cylinder 300, the container 310 descends, and the upper end of the valve stem 350 on which the orifice 354 is formed is within the container 310. Located. Accordingly, the propellant in the container 310 is injected into the first connector 420 through the orifice 354 and the hollow 352. The propellant acts as a carrier that transmits propulsive force and discharges the chemical liquid into the nozzle 122.

In the nasal inhaler according to the embodiment, the medicine liquid container 200 and the propellant container 300 are disposed on the same side with respect to the pressing portion 140 within the cases 110, 120, and 130, so that the lower case 120 is held by the thumb. You can open the valves of the chemical liquid container 200 and the propellant container 300 by supporting it and pressing the pressing part 140 with the remaining four fingers. Therefore, the inhaler can be operated more easily than in the prior art, which opened the valves of the chemical liquid container and the propellant container by pressing the propellant container with two fingers.

at,

Claims (5)

A case including a straight suction passage and a nozzle connected to the suction passage and through which a chemical liquid is sprayed;
A chemical liquid container coupled to the case and including a valve stem coupled to the suction flow path and a valve that opens and closes the valve stem;
A propellant container coupled to the case and including a valve stem coupled to the suction passage at an interval from the chemical liquid container and a valve that opens and closes the valve stem; and
It is coupled to the case to enable linear movement and includes a pressing part that pressurizes the chemical liquid container and the propellant container,
A nasal inhaler characterized in that both the chemical liquid container and the propellant container are installed between the pressing part and the suction passage. According to paragraph 1,
The case is a nasal inhaler, characterized in that it consists of a bracket that can combine the chemical liquid container and the propellant container, a lower case that surrounds the lower part of the bracket and has a suction flow path installed, and an upper case that surrounds the upper part of the bracket and has a pressing part installed. According to paragraph 1,
The pressing unit has a first pressing end that presses the chemical liquid container and a second pressing end that presses the propellant container,
A nasal inhaler characterized in that the first push end protrudes further than the second push end so that the valve of the medicine container opens before the valve of the propellant container. According to paragraph 1,
The suction flow path includes an L-shaped first connector to which the valve stem of the propellant container is coupled, a first tube to which the first connector is coupled, a T-shaped second connector to which the valve stem of the chemical container and the first tube are coupled, and a second connector. A nasal inhaler comprising a second tube connecting the nozzle. According to clause 4,
A nasal aspirator further comprising a backflow prevention filter installed in the second connector at a position in contact with the first tube.