JPH1076008A - Inhalator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the leakage of mist from the part of a mask in contact with the face by shaping the contact part of the mask so as to have recesses respectively in an area in contact with the nose for close contact with the face and an area in contact with the lower part of the lower lip. SOLUTION: The contact part 5a of a mask 2 with the face 10 as the open part periphery of the front end of the mask 2 is shaped to have a recess 8 for the tight contact of the nose 4 with the contact part 5a and for consequent close contact with the cheeks, and another recess 9 on the contact part 5b of the mask 2 with the lower part of the lower lip for close contact therewith. As a result of forming the recesses 8 and 9, the nose 4 can be just fit to the recess 8 with the face 10 kept in contact with the contact part of the mask 2, and the cheeks of the face 10 can be kept in close contact with other areas than the contact part 6 without any gap, when the lower part 6 of the lower lip is kept just fit to the recess 9. Also, the leakage of steam can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inhaler used for treating inflammation or the like occurring in the respiratory system of the human body, and more particularly to spraying a drug solution (inhalation solution) using pressurized air or steam. Related to inhalers.

[0002]

2. Description of the Related Art An inhaler for spraying a chemical solution using pressurized air or steam has been known. In this type of inhaler, when the inhaler covers the nose and mouth and inhales, the shape of the contact portion 5 of the mask 2 provided on the inhaler with the face is as shown in FIGS. 4 (a), 4 (b) and 4 (c). As shown in the figure, many of the masks are linear and do not match the shape of the human face. Therefore, the mist inhaled from the gap between the opening edge of the mask 2 and the face leaks, and parts other than the mouth and nose are leaked. There is also a problem that there is a danger that steam will get into the eyes, and there is a danger that steam will enter the eyes.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and is intended to allow the mask to be in close contact with the face so that the mask comes into contact with the face. It is an object of the present invention to provide an inhaler that prevents fog from leaking and that can absorb a complicated shape of a face.

[0004]

In order to achieve the object of the present invention, an inhaler according to the present invention comprises an inhaler 3 which covers a portion from the tip of a spray nozzle 1 to a face with a mask 2; The shape of the contact portion 5 with the nose 4 of the mask 2 and the lower portion 6 of the lower lip
And concave portions 8 and 9 are respectively provided in the contact portion 5b with the contact portion 5b. With this configuration, when the face 10 is applied to the contact portion 5 of the mask 2 provided on the inhaler 3 in use, the nose 4 and the lower portion 6 of the lower lip respectively contact the contact portion 5 of the mask 2. The cheeks fit tightly into the recesses 8 and 9 provided, and the cheeks are in close contact with the contact portions 5 of the mask 2, and a gap is formed between the contact portions 5 and the face 4 so that the mist does not leak out and portions other than for inhalation purposes. It does not wet.

Further, it is preferable that the contact portion 5 of the mask 2 with the face is formed of a soft material. With such a configuration, the complex shape and the like of the face 10 can be absorbed by the soft material.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the accompanying drawings of FIGS. The inhaler 3 shown in FIGS. 1 and 2 is used by placing it on a desk or the like and spraying a chemical solution (inhalation liquid) using steam, and has a built-in steam generator 11. Housing 12
A chemical solution tank 13 and a drainage tank 14 are detachably attached to the tank.

As shown in FIG. 1, the steam generator 11 includes a water supply tank 15 and a heater 16. The water supply tank 15 has an overflow pipe 17 in the center,
An inner lid 18 is detachably attached to the inner periphery of the upper opening of the water supply tank 15, and a lid 19 is detachably attached to the outer periphery of the upper opening of the water supply tank 15. The lower end opening of the overflow pipe 17 provided in the water supply tank 15 is located above the drainage tank 14.
The upper end opening is closed by a relief valve 20 provided at the center of the lower surface of the inner lid 18 with the inner lid 18 attached to the upper opening of the water supply tank 15. Further, the inside of the water supply tank 15 is divided into a steam generation chamber 21 and a water supply section 22 provided on a side wall on which the heater 16 is mounted, and the lower ends of the water supply section 22 and the steam generation chamber 21 are connected to each other through a passage 23. The space above the water supply part 22 and the upper part of the steam generation chamber 21 are communicated by the hole 24.
The spray nozzle 1 projects obliquely upward from the upper part of the water supply tank 15.

[0008] A suction pipe 25 is provided at the mounting portion of the chemical solution tank 13 in the housing 12, and a second suction pipe 25 is provided at the upper end of the suction pipe 25 located near the tip of the nozzle 1.
A nozzle 26 is provided. When the pressure drops near the second nozzle 26 when steam is jetted from the spray nozzle 1, the chemical liquid tank 1
The chemical in 3 is sucked up and exits from the second nozzle 26, and at this time, the chemical is atomized, and the atomized chemical on the vapor flow ejected from the spray nozzle 1 is also discharged.

A cover 27 is detachably provided at the upper end of the housing 12, and the cover 27 is integrally provided with a mask 2 which rises obliquely upward on the spray nozzle 1 side. The mask 2 has a cylindrical shape, and the size of the contact portion 5 with the face 10 which is the upper end opening of the tip portion of the mask 2 is determined when the face 10 is applied to the contact portion 5 of the mask 2. And a size that can be simultaneously covered.

Here, in the present invention, the above-mentioned mask 2 has a shape as shown in FIGS. 3 (a), 3 (b) and 3 (c). That is, the shape of the contact portion 5 with the face 10 which is the opening edge of the tip of the mask 2 is changed so that the nose 4 fits snugly into the contact portion 5a with the nose 4 of the mask 2 so that the cheeks are in close contact. Is formed, and the lower portion 6 of the lower lip of the mask 2 (portion indicated by reference numeral 6 in FIG. 3C).
A concave portion 9 having a shape in which the lower portion 6 of the lower lip fits snugly into the contact portion 5b of the lower lip. By providing the recesses 8 and the recesses 9 in which the nose 4 and the lower lip 6 of the lower lip fit exactly in the contact portion 5 of the mask 2 with the face 10 as shown in FIG. The face 10 is put on the part 5, the nose 4 is fitted in the recess 8 exactly, and the lower part 6 of the lower lip is fitted in the recess 9, so that the cheek of the face 10 can be tightly fitted to the other part of the contact part 5. It can be applied exactly, so that steam does not leak from between the face 10 and the contact portion 5.

The contact portion 5 in which the concave portions 8 and 9 which are the opening edges of the tip of the mask 2 are formed of a soft material such as silicon rubber. Face 10 while absorbing various shapes
To improve the adhesion to Thus, in the inhaler 3 configured as described above,
First, the cover 27, the lid 19, and the inner lid 18 are removed, and water is poured into the water supply tank 15. At this time, when the specified amount of water is added, excess water is discharged from the overflow pipe 17 into the drain tank 1.
4 to be discharged. Next, the inner lid 18, the lid 1
9. Attach the cover 27. In addition, a drug solution (inhalation solution) is put into the drug solution tank 13. In this state, the power switch 30
Is turned on, the heater 16 is energized, and the water in the steam generation chamber 21 of the water supply tank 15 is heated by the heater 16 to generate steam. The steam generated in this manner flows from the hole 24 into the upper space of the water supply tank 15, and is jetted into the mask 2 from the spray nozzle 1 provided above the water supply tank 15.

Here, the inner lid 18 is provided with the relief valve 20 as described above, and the pressure in the water supply tank 15 becomes abnormally high due to the clogging of the spray nozzle 1 or the like. Open when overflow tube 17
The steam is allowed to escape to the outside. Therefore, in the present invention, the inside of the water supply tank 15 does not have an abnormally high pressure.

The vapor injected from the spray nozzle 1 sucks up the chemical in the chemical tank 13 through the suction pipe 25 by the Venturi effect of lowering the pressure near the second nozzle 26, and is atomized when discharged from the second nozzle 26. The chemical solution is released into the mask 2 on the vapor stream sprayed from the spray nozzle 1, and the mist is supplied to the throat and nose of the user who puts the face 10 on the contact portion 5 of the mask 2. At this time, as shown in FIG. 1, concave portions 8 and 9 are provided in the contact portion 5 of the mask 2 so that the nose 4 and the lower portion 6 of the lower lip fit therein. Since the face 10 is brought into contact with the contact portion 5 in a state in which the fog 6 is fitted, the fog does not leak to the outside and is effectively supplied to the throat and nose.

[0014]

According to the invention of claim 1 of the present invention, in the inhaler which covers from the tip of the spray nozzle to the face with the mask as described above, the shape of the contact portion of the mask with the face is determined as follows.
Since a concave portion is provided in the contact portion of the mask with the nose so that the cheeks are in close contact with each other, and a contact portion with the lower portion of the lower lip of the mask, the face is brought into contact with the contact portion of the mask provided in the inhaler, The nose and the lower part of the lower lip fit into the concave parts provided in the contact part of the mask respectively, and the cheeks adhere to the contact part of the mask, creating a gap between the contact part and the face, and fog may leak out. It does not wet the parts other than the purpose of inhalation, prevents mist from accidentally entering the eyes, and has a structure that makes it difficult for mist to leak out from between the face and the contact part, The generated fog can be effectively supplied to the throat and nose, and the inhalation efficiency can be increased.

According to the second aspect of the present invention, in addition to the effect of the second aspect, the contact portion of the mask with the face is formed of a soft material. The contact portion formed of a material can absorb a complicated shape of the face, and can prevent the fog from leaking from between the face and the contact portion to the outside with a simple structure.

[Brief description of the drawings]

FIG. 1 is a sectional view of the present invention.

FIG. 2 is a front view of the same.

3A is a plan view of the same, FIG. 3B is a side view, FIG. 3C is a cross-sectional view, and FIG. 3D is an explanatory diagram showing a lower part of a lower lip.

4A and 4B show a conventional example, and FIG.
(B) is a side view, and (c) is a cross-sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spray nozzle 2 Mask 3 Inhaler 4 Nose 5 Contact part 5a Contact part with nose 5b Contact part with lower lip 6 Lower part of lower lip 8 Recess 9 Recess 10 Face

Claims (2)

[Claims] In an inhaler for covering a part from a tip of a spray nozzle to a face with a mask, a shape of a contact part of the mask with a face is changed so that a cheek is in close contact with a nose of the mask and a lower lip of the mask. An inhaler characterized in that a concave portion is provided in a contact portion with a lower part of the inhaler. 2. The inhaler according to claim 1, wherein the contact portion of the mask with the face is formed of a soft material.