JPH0242281Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to an inhalation mask for an inhalation aerosol container filled with inhalation contents such as medical inhalation drugs and oxygen.

BACKGROUND TECHNOLOGY Conventionally, in the case of an aerosol container filled with inhalation contents such as medical inhalation drugs and oxygen, in order to inhale the contents of the aerosol container, the Utility Model Publication No. 60-11868 was used.
There are the devices described in Japanese Utility Model Publication No. 61-4319, etc., but in both cases, pressure must always be applied manually to the stem in order to inject the contents. Not only does this cause fatigue in the hands and fingers, but it also has the disadvantage that the amount and state of supply of the contents is not stable and is always unstable.

Problems to be solved by the invention This invention attempts to solve the above-mentioned problems, and when injecting the contents, there is no need to manually press the stem, making it possible to perform simple injection. At the same time, it enables a stable supply of inhalation contents to the user, and if necessary,
The purpose is to enable continuous injection of aerosol contents and to stably supply the contents without causing fatigue in the hands and fingers.

Means for solving the problems In order to solve the problems mentioned above, the present invention
An elastic projecting piece having an engaging stepped portion on the outside is protruded from the outer surface of the fixing body, which has a fixing portion to the aerosol container on the inner surface, at a position that is biased to one side from the axial center, and the elastic protruding piece is protruded from the axial center to the other side. A plurality of engagement protrusions are projected at regular intervals at the positions, an engagement opening that allows the engagement protrusions to engage is formed on the bottom wall of the mask body, and the bottom wall is connected to the stem of the aerosol container. forming a nozzle, allowing the nozzle to press the stem using the engagement port engaged with the engagement protrusion as a fulcrum, and engaging the bottom wall with the engagement step of the elastic protrusion in this pressed state; An engaging piece that enables continuous spraying of the aerosol container is formed to protrude from the bottom wall of the mask body.

Function Since the present invention is constructed in particular as described above, in order to inhale the inhalation contents of the aerosol container into the human body, the engaging opening of the mask body is engaged and fixed with the plurality of engaging protrusions of the fixed body. At the same time, connect the stem of the aerosol container and the nozzle of the mask body. In this state, although the engaging piece of the mask main body and the elastic protruding piece are in contact with each other, the engaging piece and the engaging stepped portion are not engaged with each other. Next, position the mask body with the engagement protrusion upward to cover the nose and mouth, press the chin against the lower edge of the mask body, and press lightly. , the connection part of the nozzle presses the stem and injects the inhaled contents. If the pressing force on the stem via the mask body is released in this state, the injection will be stopped by the restoring force of the stem itself. In addition, when performing continuous injection, if the lower edge of the mask body is strongly pressed with the jaw, the engaging piece will engage with the engaging step of the elastic protruding piece, and even if the pressing force on the mask body is released. Since the stem is prevented from restoring its original shape, the inhaled contents are continuously injected. Further, since this continuous injection and the above-mentioned temporary injection are performed using the engagement port that engages with a plurality of engagement protrusions as a fulcrum, stable pressure injection of the stem is possible.

Embodiment An embodiment of the present invention will be described below. Reference numeral 1 is an aerosol container, which is filled with inhalation contents such as medical inhalation drugs and oxygen, and has a stem 2 connected to an internal valve mechanism at the upper end. By protruding and pressing this stem 2, the contents to be inhaled can be injected. A fixing part 3 to the aerosol container 1 is provided on the inner surface of the top plate 4 to form a fixing body 5,
A projection opening 7 for the stem 2 is provided in the center of the top plate 4 of the fixed body 5, and the aerosol container 1 is inserted into the outer periphery of the top plate 4. While forming an annular wall 8,
On the outer surface of the top plate 4, an elastic protruding piece 11 is provided with an engaging stepped portion 10 on the outer side at a position offset to one side from the axis.
stands out. In addition, two engaging protrusions 12 are protruded at a constant interval from the outer surface of the top plate 4 at a position deviating from the axis to the other side, and the engaging protrusions 12 are connected to an engaging part 13 having a small diameter and an engaging part 13 having a small diameter. It consists of a large diameter bulge 14 provided on the upper part of the engaging part 13. Further, a mask body 18 is formed by providing an outer peripheral wall 17 that covers the nose 15, mouth 16, etc. of the human body.
An engagement opening 21 is formed in the bottom wall 20 connecting the outer circumferential wall 17 of the engagement protrusion 12 so that the engagement protrusion 12 can be engaged with the engagement opening 21.
4, and a small diameter fitting part 23 that engages the engaging part 13 of the engaging protrusion 12. After passing the bulging part 14 through the large diameter part 22, the mask By slightly rotating the main body 18, the small diameter engaging portion 1
3 fits into the fitting part 23, the mask body 18 is stably fixed to the fixed body 5, and the mask body 18
By reversing the positions, the engagement protrusion 12 can be easily separated from the engagement opening 21. Also, the mask body 18
A nozzle 24 connected to the stem 2 of the aerosol container 1 is formed on the bottom wall 20 of the nozzle 24.
The stem 2 can be pressed using the engagement port 21 engaged with the engagement protrusion 12 as a fulcrum, and in this pressed state, the stem 2 engages with the engagement step 10 of the elastic protrusion 11 to continuously inject the inhaled contents. Engagement piece 2 that enables
5 is formed protrudingly on the bottom wall 20 of the mask body 18. Further, the mask body 18 has an air inlet 26 opened in a part of the outer peripheral wall 17 to prevent only pure oxygen from being inhaled into the human body. In addition, the mask body 18 is
When not in use, by reversing the usage state shown in FIG. 1, the fixed body 5 is covered as shown in FIG. 4, and can be used as an overcap for the aerosol container 1.

In the structure as described above, in order to cause the human body to inhale the contents of the aerosol container 1,
The mask body 1 is attached to the plurality of engagement protrusions 12 of the fixed body 5.
8 and the stem 2 of the aerosol container 1 and the mask body 1.
8 nozzles 24 are connected. In this state, the engaging piece 25 of the mask body 18 and the elastic protruding piece 11 are
Although they are in contact, the engagement piece 25 and the engagement step 10
No engagement has taken place. Next, the mask body 18
, with the engaging protrusion 12 positioned above, the nose of the human body,
By covering the mouth 16 and pressing the jaw 27 against the lower edge 28 of the mask body 18 and pressing lightly, the connecting portion of the nozzle 24 connects to the stem 2 with the engaging port 21 engaged with the engaging protrusion 12 as a fulcrum. Press to inject the inhaled contents. If the pressing force on the stem 2 is released through the mask body 18 in this state, the injection will be stopped by the restoring force of the stem 2 itself. In addition, when performing continuous injection, if the lower end edge 28 of the mask body 18 is strongly pressed with the jaws 27, the engagement piece 25 engages with the engagement step 10 of the elastic protrusion piece 11, and the mask body 18 is Even if the pressing force is released, the stem 2 is prevented from returning to its original state, so that the content to be inhaled is continuously injected.
Furthermore, since this continuous injection and the above-mentioned temporary injection are performed using the engagement port 21 that engages with the plurality of engagement protrusions 12 as a fulcrum, stable injection of the inhalation contents is possible. It is.

Effects of the invention Since the present invention is configured as described above, when spraying the contents, there is no need to manually press the stem, and the face, especially the chin, is simply pressed against the mask body, making it easy to use. In addition to enabling injection, the mask body is pressed using the engaging openings, which are engaged with the plurality of engaging protrusions, as a fulcrum, so it is possible to stably supply the inhaled contents to the user. do. In addition, by adjusting the pressure applied to the mask body as necessary, it is possible to continuously spray the aerosol contents, and the contents can be stably supplied without causing hand fatigue. .

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Figure 1 is a sectional view taken along the line A-A in Figure 2, Figure 2 is a plan view, Figure 3 is an enlarged sectional view taken along the line B-B in Figure 2, and Figure 4 is an enlarged sectional view taken along the line B-B in Figure 2.
The figure is a sectional view showing the mask body in use as an overcap. 1...Aerosol container, 2...Stem, 3...
Fixed part, 5... Fixed body, 10... Engagement step part, 11
...Elastic projecting piece, 12...Engaging protrusion, 13...Engaging portion, 14...Bulging portion, 17...Outer peripheral wall, 18...
...Mask body, 20...Bottom wall, 21...Engagement opening,
22...large diameter part, 23...fitting part, 24...nozzle, 25...engaging piece, 26...air introduction port.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) On the outer surface of a fixing body having a fixing part to the aerosol container on the inner surface, at a position offset to one side from the axis,
An engagement device in which an elastic projecting piece provided with an engagement step on the outside projects, and a plurality of engagement protrusions are protruded at regular intervals at positions offset from the axis, and the engagement protrusions can be engaged. An abutment is formed in the bottom wall of the mask body, a nozzle connected to the stem of the aerosol container is formed in this bottom wall, and this nozzle is
Engagement that allows the stem to be pressed using the engagement port that is engaged with the engagement protrusion as a fulcrum, and that engages with the engagement stepped portion of the elastic protrusion piece on the bottom wall in this pressed state to enable continuous injection of the aerosol container. An inhalation mask for an inhalation aerosol container, characterized in that a piece is formed protruding from the bottom wall of the mask body. (2) The utility model according to claim 1, wherein the engaging protrusion consists of a small diameter engaging part and a large diameter bulging part provided on the upper part of the engaging part. Inhalation mask with inhalation aerosol container. (3) Registration of a utility model characterized in that the engagement opening is comprised of a large diameter part that passes through the bulge of the engagement protrusion and a small diameter fitting part that engages the engagement part of the engagement protrusion. An inhalation mask for an inhalation aerosol container according to claim 1 or 2. (4) An inhalation mask for an inhalation aerosol container according to claim 1, wherein the mask body has an air inlet opening formed in a part of its outer peripheral wall. (5) An inhalation mask for an inhalation aerosol container according to claim 1, wherein the mask body can be used as an overcap of the aerosol container when not in use.