JP5023747B2 - Inhalation aid for nebulizer - Google Patents

Description

The present invention relates to an inhalation aid for a nebulizer that is used by being attached to a nebulizer body so that the user can inhale the aerosol generated inside the nebulizer body, and more specifically, the user efficiently uses the aerosol. well nebulizer auxiliary suction again and again relates for containing nebulizer relay pipe that connects the mask and the nebulizer body nebulizer mask and the nebulizer makes it possible to inhalation.

  A nebulizer is an apparatus for generating an aerosol by atomizing a liquid such as a medical solution for treating diseases such as bronchi, water, and saline. The aerosol generated by this nebulizer is sucked from the mouth and nose by the user and taken into the body. In recent years, as a new utilization method of this nebulizer, an attempt has been made to aerosolize a vaccine or the like for the prevention of measles using a nebulizer and to administer it into the body through the user's mouth and nose.

  Usually, the nebulizer is attached with an inhalation aid for facilitating inhalation of the aerosol. Inside the inhalation aid, there is a flow path for transporting the aerosol. In use, the inhalation aid is attached to the nebulizer, and the user inhales the aerosol through the inhalation aid. Will do.

  There are various types of inhalation aids. This is roughly classified into a mouthpiece, a nosepiece, a mask, and a relay pipe. The mouthpiece is for the user to hold it and inhale the aerosol from the mouth, and the nosepiece is for the user to insert the aerosol into the nostril and inhale the aerosol from the nose. Further, the mask is for a user to wear the mouth and nose so as to cover the mouth and the nose, and to inhale the aerosol from the mouth and nose. It relays the mask or the like and the aerosol outlet part of the nebulizer body. As these inhalation aids, an optimal one is appropriately selected depending on the type of liquid to be inhaled and the user to be inhaled.

  When a nebulizer is used for the above-described vaccine administration, a combination of a mask and a relay tube is suitably selected as an inhalation aid based on the use environment, use conditions, and the like. This is because it is usually assumed that the administration of the vaccine is carried out by mass vaccination, and in a usage environment where a large number of users are switched in a short time and use the nebulizer, from a hygienic viewpoint, In particular, from the viewpoint of preventing secondary infection through an inhalation aid (from a user infected with a pathogen to another user via the inhalation aid), a disposable mask and this This is because it is preferable that the inhalation aid is constituted by a combination of a disposable type mask and a relay pipe connecting the nebulizer body. If constituted in this way, it becomes possible to change the disposable mask to the relay pipe every time it is used, and to administer the vaccine, effectively preventing the occurrence of secondary infection, It is also excellent in convenience and economy.

  In general, when manufacturing a nebulizer mask, it is necessary to form a shape that fits the shape of the face in the wearing state in order to reduce air leakage as much as possible. Therefore, conventionally, in order to realize a three-dimensional solid shape, it is common to manufacture a nebulizer mask by injection molding using a resin material as a raw material. This injection molding is a molding method in which a molten resin material is poured into a cavity defined by at least two molds, solidified, and taken out from the mold. When this injection molding is used, it is possible to precisely reproduce a complicated three-dimensional shape, and there is an advantage that a nebulizer mask having a shape that takes into account the unevenness of the face can be precisely manufactured. As a conventional nebulizer mask manufactured by using this injection molding, for example, one disclosed in Japanese Patent Application Laid-Open No. 2003-102837 (Patent Document 1) or US Patent Application Publication No. 2002/0112720 (Patent Document) There are those disclosed in 2).

However, when a nebulizer mask is manufactured using injection molding, the manufacturing cost required for the manufacturing is very high, and it is impossible to use as a disposable mask from the viewpoint of economy. Arise.
JP 2003-102837 A US Patent Application Publication No. 2002/0112720

  Accordingly, the present inventors have formed a sheet-shaped resin member by vacuum forming (so-called sheet forming) in order to realize a disposable nebulizer mask that can be manufactured at low cost, thereby nebulizer mask. Inspired by making. In vacuum forming, the softened sheet-shaped resin member is pressed against the uneven surface of the mold, and the air between the resin member and the mold is sucked to bring the resin member into close contact with the mold, thereby cooling it. This is a molding method for molding a sheet-like resin member.

  Although this vacuum molding has the disadvantage of not being able to reproduce complex three-dimensional shapes, there are many masks that can be molded at one time compared to injection molding, and a smaller amount of resin material is used for each mask compared to injection molding. It has the merit that it can be completed and the production cost of the mold is low. Therefore, if the nebulizer mask is manufactured by vacuum forming, the nebulizer mask can be manufactured at a very low cost, and the nebulizer mask can be made disposable. In addition, the disadvantage that complicated three-dimensional shapes cannot be reproduced can be dealt with by improving the fit to the face by utilizing the elastic deformation of the mask itself when the mask is pressed against the face. . Therefore, by manufacturing a nebulizer mask using vacuum forming, a disposable mask suitable as a nebulizer mask used in a use environment such as the above-described mass vaccination can be obtained.

  By the way, when the nebulizer mask is manufactured by using the above-described vacuum forming, it is necessary to examine how the connection structure of the nebulizer mask to the nebulizer relay pipe should be configured. As a connection structure that can be easily conceived, there is a connection structure as shown below. FIG. 12 is a cross-sectional view showing an example of a connection structure between a nebulizer mask and a nebulizer relay pipe when a nebulizer mask is manufactured using vacuum forming.

  As shown in FIG. 12, a nebulizer mask 160X manufactured by vacuum forming includes a wall 161 defining an internal space 168, a user-side opening end 162 provided at one end of the wall 161, and A relay pipe side opening end 163 provided at the other end of the wall portion 161, a user side opening 162 a is provided at the user side opening end 162, and the relay pipe side opening end 163 is circular. The relay pipe side opening 163a is provided in the opening. On the other hand, the mask-side opening 152a of the nebulizer relay pipe 150X in which the flow path 154 is provided is provided with a mask-side opening 152a that is opened in a circular shape. A stepped portion 152b is provided at a predetermined position on the surface. When the nebulizer mask 160X is connected to the nebulizer relay pipe 150X, the relay pipe side opening 163a of the nebulizer mask 160X is inserted into the mask side opening end 152 of the nebulizer relay pipe 150X, and the nebulizer mask 160X is inserted. The wall part 161 of the part located in the periphery of the relay pipe side opening 163a is made to abut on the step part 152b of the nebulizer relay pipe 150X. As a result, the nebulizer mask 160X is held by the nebulizer relay pipe 150X, and the nebulizer mask 160X is connected to the nebulizer relay pipe 150X.

  By adopting such a connection structure, the operation of connecting the nebulizer mask 160X to the nebulizer relay pipe 150X can be performed very simply. However, when the connection structure as shown in FIG. 12 is employed, the following problems occur.

  First, when the above connection structure is adopted, the mask side opening end 152 of the nebulizer relay pipe 150X protrudes in the space 168 inside the nebulizer mask 160X, and the user coughs. When the mask side opening end 152 is licked, the user's saliva, runny nose, etc. adhere to the mask side opening end 152 of the nebulizer relay tube 150X. When such adhesion of saliva, runny nose, etc. occurs, even if a later user replaces the nebulizer mask 160X and uses the nebulizer, the mask side opening 152a of the nebulizer relay pipe 150X is used in use. The adhering saliva, runny nose, etc. may scatter and the subsequent user may inhale it. Therefore, despite the use of a disposable nebulizer mask, the occurrence of secondary infection cannot be reliably prevented.

  Secondly, in the nebulizer mask manufactured by using vacuum forming, the thickness of the wall portion is about several tens to several hundreds μm, which is very fragile. Therefore, when the nebulizer mask 160X having the shape as shown in FIG. 12 is used, the strength of the wall portion 161 at the periphery of the relay tube side opening 163a becomes very weak, and the nebulizer mask is used with a predetermined or higher insertion pressure. When the mask 160X is inserted into the nebulizer relay pipe 150X, the nebulizer mask may be broken and the nebulizer mask 160X may be attached to the nebulizer relay pipe 150X beyond the stepped portion 152b. If such a problem occurs, if used as it is, the mask-side opening end 152 of the nebulizer relay pipe 150X is disposed closer to the user-side opening 162a in the space 168 inside the nebulizer mask 160X. As a result, the above-mentioned problem of secondary infection may become more prominent.

Therefore, the present invention has been made to solve these problems, and effectively prevents the occurrence of secondary infections caused by the adhesion of saliva, runny nose, etc. even in a use environment such as mass vaccination. An object of the present invention is to provide an inhalation aid for a nebulizer.

Nebulizer for inhalation aid according to the onset Ming, for inhalation the user the aerosol produced in the interior of the nebulizer body, there is used attached to the nebulizer body attached to the nebulizer body A nebulizer relay pipe, and a nebulizer mask detachably connected to the nebulizer relay pipe. The nebulizer mask is a molded product manufactured by vacuum-forming a sheet-like resin member, the user-side opening end that can be pressed against the face so as to surround the user's mouth and nose, and the nebulizer A relay pipe side opening end connectable to the relay pipe, and a wall portion defining a space between the user side opening end and the relay pipe side opening end. The relay tube side opening end of the nebulizer mask extends from the wall portion toward the opposite side to the user side opening end side, and extends from the tip of the tubular portion toward the inside. And a tubular convex portion including a top wall portion provided with a relay tube side opening at a central portion thereof. The relay tube for nebulizer includes a body-side opening end that can be attached to the nebulizer body, a mask-side opening end to which the nebulizer mask can be connected, and a flow path that connects the body-side opening end and the mask-side opening end. And have. The mask-side opening end of the nebulizer relay pipe has a flange portion extending outward from the tip of the mask-side opening end, and stands from the tip of the flange portion toward the side opposite to the flow path side. A standing wall portion provided, and a recess defined by the flange portion and the standing wall portion and provided with a mask side opening at the center of the bottom thereof. In the nebulizer for inhalation aid according to the onset Ming, by the tubular projecting portion of the nebulizer mask in the recess of the nebulizer relay pipe is held interpolated, the nebulizer relay pipe The nebulizer mask is connected to the nebulizer relay pipe in a state where the mask side opening and the relay pipe side opening of the nebulizer mask face each other .

  With this configuration, the nebulizer relay pipe is not positioned in the space inside the nebulizer mask in a state where the nebulizer mask is connected to the nebulizer relay pipe. Also, if the nebulizer mask is inserted into the nebulizer relay pipe with an insertion pressure of a predetermined level or more at the time of connection, the mask side opening end of the nebulizer relay pipe hits the wall of the nebulizer mask. Since it will not be inserted any more, it becomes possible to reliably prevent the nebulizer relay pipe from reaching the space inside the nebulizer mask. As a result, it becomes possible to reliably prevent saliva, nasal discharge, etc. from adhering to the relay tube for nebulizer during use, without causing any hygiene problems, and especially in a use environment such as group vaccination. The next infection can be effectively prevented.

In the nebulizer for inhalation aid according to a preferred embodiment of the present onset bright, top Symbol the mask-side opening of the nebulizer relay pipe, a mask for the nebulizer of the nebulizer mask in a state connected to the relay pipe for the nebulizer It is preferable that the entire area of the mask side opening does not face the top wall and faces the relay pipe side opening of the nebulizer mask.

  By comprising in this way, it can prevent that the mask side opening part of the relay pipe for nebulizers is partially shielded by the said top wall part formed when the mask for nebulizers is manufactured by vacuum forming. Therefore, the flow of the aerosol is not hindered by the top wall portion, and the highly efficient aerosol can be inhaled.

In the nebulizer for inhalation aid according to a preferred embodiment of the present onset bright, to the walls of positions surrounding the tubular projecting portion of the nebulizer mask, the mask for the nebulizer in a state connected to the relay pipe for the nebulizer It is preferable that an annular recess for receiving and holding the standing wall portion of the nebulizer relay pipe is provided.

  With this configuration, in the state where the nebulizer mask is connected to the nebulizer relay pipe, the tubular convex portion of the nebulizer mask is not only inserted and held in the concave portion of the nebulizer relay pipe, but also the nebulizer Since the annular recess of the mask for the nebulizer is extrapolated and held in the standing wall of the relay tube for the nebulizer, the holding power of the nebulizer mask by the relay tube for the nebulizer is improved, and these connection states are stably maintained. Will come to be. Accordingly, it is possible to reliably prevent the nebulizer mask from falling off the nebulizer relay pipe during use.

ADVANTAGE OF THE INVENTION According to this invention, it can be set as the inhalation auxiliary tool for nebulizer which can prevent effectively the generation | occurrence | production of the secondary infection caused by adhesion of saliva, a runny nose, etc. also in the use environment like mass vaccination.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the embodiment described below, a nebulizer that is preferably used particularly in a use environment such as a mass vaccination, and a nebulizer relay pipe and a nebulizer mask as an inhalation aid are specifically illustrated and described. Do.

( Embodiment )
First, the configuration of the nebulizer mask in the present embodiment will be described with reference to FIGS. FIG. 1 is a perspective view of a nebulizer mask in the present embodiment, and FIG. 2 is a longitudinal sectional view of the nebulizer mask along the line II-II shown in FIG.

  As shown in FIG. 1 and FIG. 2, a nebulizer mask 160A as a part of an inhalation aid for nebulizer in the present embodiment is formed of a resin molded product having a generally bowl-shaped outer shape with a space 168 inside. A user side opening end 162 including a user side opening 162a, a relay pipe side opening end 163 including a relay pipe side opening 163a, and a space between the user side opening end 162 and the relay pipe side opening end 163. And a curved wall portion 161 defining the above. The user-side open end 162 is an end that is pressed against the face so as to surround the user's mouth and nose in the use state, and the relay-tube-side open end 163 is a nebulizer relay tube 150A (described later in the use state). It is an end part connected to FIG.

  This nebulizer mask 160A is manufactured by vacuum forming (sheet forming) using a sheet-like resin member. As the material for the sheet-like resin member, a material excellent in biocompatibility and chemical resistance is preferably used, and preferably a polyprepin (PP) resin, a polyethylene (PE) resin, a polystyrene (PS) resin, or the like. Is used. After molding, the thickness of the wall 161 of the nebulizer mask 160A is preferably about several tens of micrometers to several hundreds of micrometers, and preferably about 200 μm to 400 μm. In this way, when the nebulizer mask 160A is pressed against the face, the nebulizer mask 160A itself can be elastically deformed to be fitted to the face. The thickness of the wall 161 described above may be uniform over the entire nebulizer mask 160A, or may be configured so that the thickness is partially different from other portions.

  The relay tube side opening end 163 of the nebulizer mask 160A has a tubular convex portion 164 having a relay tube side opening 163a on its top surface. The tubular convex portion 164 protrudes from the wall portion 161 toward the side opposite to the user-side opening end 162 side (that is, toward the side opposite to the side where the space 168 is located), and a tubular portion 164a. And a top wall portion 164b extending inward from the tip of the tubular portion 164a. The above-mentioned relay pipe side opening 163a that is opened in a circular shape by punching is formed in the center of the top wall 164b. The top wall portion 164b is a portion that is pressed against the mold in order to stably hold the nebulizer mask 160A in the punching process for forming the relay tube side opening 163a performed after vacuum forming, Even after the punching step, as described above, the portion is left in a state of being extended inward from the tip of the tubular portion 164a.

  In addition, an annular recess 166 formed by recessing a part of the wall 161 toward the user-side opening end 162 is provided on the wall 161 at a position surrounding the relay-tube-side opening end 163. Yes. The annular recess 166 is formed such that the inner peripheral wall portion of the annular recess 166 constitutes the tubular portion 164a of the tubular convex portion 164 as it is.

  Next, the configuration of the nebulizer relay pipe in the present embodiment will be described with reference to FIG. FIG. 3 is a longitudinal sectional view of the relay tube for nebulizer in the present embodiment.

  As shown in FIG. 3, a nebulizer relay pipe 150A as a part of a nebulizer inhalation aid in the present embodiment is formed of a tubular member having a substantially T-shaped vertical section, and is a resin manufactured by injection molding, for example. Consists of molded products. The nebulizer relay pipe 150A includes a main body side opening end 151 including a main body side opening portion 151a, a mask side opening end 152 including a mask side opening portion 152a, an open end 153 including an exhaust port 153a, and these main body side opening ends. 151, a mask-side opening end 152 and a flow path 154 communicating with the open end 153. The main body side open end 151 is an end portion that is attached to a nebulizer main body 100 (see FIGS. 6 and 7) to be described later in the use state, and the above-described nebulizer mask 160A is connected to the mask side open end 152 in the use state. End. The open end 153 is an end to which a filter kit 170 (see FIG. 8) described later is connected as necessary, and is an end for discharging the user's exhalation to the outside.

  A connecting portion 155 is formed at the mask side opening end 152 of the nebulizer relay pipe 150A. The connecting portion 155 has a flange portion 155a extending outward from the end of the tube wall at the portion defining the mask side opening 152a of the flow channel 154, and the flow channel 154 extends from the tip of the flange portion 155a. It is comprised by the standing wall part 155b standingly arranged toward the opposite direction to the flow path 154 side, and the recessed part 155c prescribed | regulated by these flange parts 155a and the standing wall part 155b. The recessed portion 155c has the above-described flange portion 155a as a bottom portion and the above-described standing wall portion 155b as a side portion. The above-mentioned mask side opening 152a is located at the center of the bottom of the recess 155c. The size of the flange portion 155a in the radial direction is set to be the same as the size in the radial direction of the top wall portion 164b of the nebulizer mask 160A described above.

  Next, a connection structure of the nebulizer relay pipe and the nebulizer mask as the above-described nebulizer inhalation aid will be described with reference to FIGS. 4 and 5 are diagrams for explaining the connection structure of the nebulizer inhalation aid in the present embodiment, FIG. 4 is an exploded perspective view, and FIG. 5 is a longitudinal sectional view.

  As shown in FIGS. 4 and 5, the nebulizer mask 160A is used by being connected to the nebulizer relay pipe 150A. In order to connect the nebulizer mask 160A to the nebulizer relay pipe 150A, the relay pipe side open end 163 of the nebulizer mask 160A is inserted into the mask side open end 152 of the nebulizer relay pipe 150A. More specifically, the tubular convex portion 164 of the nebulizer mask 160A is inserted into the concave portion 155c of the nebulizer relay pipe 150A, and the tip of the standing wall portion 155b of the nebulizer relay pipe 150A is inserted into the annular concave portion 166 of the nebulizer mask 160A. Is interpolated. Thereby, the tubular convex portion 164 of the nebulizer mask 160A is held by the concave portion 155c of the nebulizer relay tube 150A, and the tip of the standing wall portion 155b of the nebulizer relay tube 150A is held by the annular concave portion 166 of the nebulizer mask 160A. become. The above connection can be realized by a simple operation of simply pushing the nebulizer mask 160A toward the nebulizer relay pipe 150A.

  As shown in FIG. 5, in a state where the nebulizer mask 160A is connected to the nebulizer relay pipe 150A, the mask side opening 152a of the nebulizer relay pipe 150A and the relay pipe side opening 163a of the nebulizer mask 160A are Face to face. Therefore, the flow path 154 provided inside the nebulizer relay pipe 150A and the space 168 provided inside the nebulizer mask 160A communicate with each other via the mask side opening 152a and the relay pipe side opening 163a. Will do. As described above, in the nebulizer inhalation aid in the present embodiment, the radial size of the flange portion 155a of the nebulizer relay pipe 150A is the radial direction of the top wall portion 164b of the nebulizer mask 160A. Therefore, the top wall portion 164b of the nebulizer mask 160A faces only the flange portion 155a of the nebulizer relay pipe 150A, and the nebulizer relay pipe 150A has a mask side. The opening 152a is not blocked.

  Next, a nebulizer in which the above-described nebulizer inhalation aid is used will be described with reference to FIGS. FIG. 6 is a perspective view of the nebulizer showing a state in which the nebulizer inhalation aid in the present embodiment is attached to the nebulizer body, and FIG. 7 is a longitudinal sectional view. FIG. 8 is a perspective view showing a usage state of the nebulizer shown in FIGS. 6 and 7.

  As shown in FIGS. 6 and 7, the nebulizer 1 is mainly composed of a nebulizer body 100, a nebulizer relay pipe 150A and a nebulizer mask 160A as an inhalation aid for nebulizer, and a compressor (not shown). The nebulizer body 100 includes a case body 110, an atomization portion forming body 120, a flow path forming body 130, and a cap body 140. A nebulizer mask 160A is connected to the upper end of the nebulizer body 100 via the above-described nebulizer relay pipe 150A. Further, a tube 180 having one end connected to the above-described compressor is connected to the lower end of the nebulizer body 100.

  The nebulizer relay pipe 150A sends the aerosol generated inside the nebulizer body 100 to the nebulizer mask 160A, and the nebulizer mask 160A directs the aerosol conveyed by the nebulizer relay pipe 150A to the user. Supply. The compressor is a device that generates compressed air, and sends the compressed air into the nebulizer body 100 via a flexible tube 180.

  The case body 110 has a bottomed cylindrical shape, and the atomizing portion forming body 120 is accommodated and disposed inside the case body 110. The flow path forming body 130 is attached to the upper portion of the case body 110 so as to close the upper surface opening of the case body 110. The cap body 140 is attached to the flow path forming body 130 so as to cover an opening provided on the upper surface of the flow path forming body 130. The nebulizer relay pipe 150 </ b> A is detachably attached to a connection part 132 provided on the upper part of the flow path forming body 130. The nebulizer mask 160A is detachably connected to the mask side opening end 152 of the nebulizer relay pipe 150A.

  The case body 110, the atomizing part forming body 120, the flow path forming body 130, the cap body 140, the nebulizer relay pipe 150A and the tube 180 can be disassembled and assembled with each other, and can be easily cleaned and disinfected. It is configured as follows. The nebulizer mask 160A is a so-called disposable mask made of a resin molded product manufactured by vacuum molding as described above and discarded after use. Therefore, the nebulizer mask 160A is replaced with the nebulizer relay pipe every time it is used.

  As shown in FIG. 7, the bottom surface of the case body 110 is provided with a compressed air introduction pipe portion 114 for extending the compressed air delivered from the compressor into the case body 110 so as to extend in the vertical direction. The above-described tube 180 is attached to the lower end portion of the compressed air introduction pipe portion 114. The upper end portion of the compressed air introduction pipe portion 114 is formed in a tapered shape and faces the baffle 122 of the atomization portion forming body 120. A reservoir 116 is provided around the portion of the case body 110 where the compressed air introduction pipe portion 114 is formed. The storage unit 116 temporarily stores a liquid 200 such as a drug solution or a vaccine for curing diseases such as water, saline, and bronchi.

  A liquid absorption tube forming portion 124 of the atomizing portion forming body 120 is disposed facing the upper end portion of the compressed air introducing tube portion 114 from above. A liquid absorption pipe is constituted by a gap between the liquid absorption pipe forming section 124 and the compressed air introduction pipe section 114, and the liquid 200 stored in the storage section 116 by the action of negative pressure by blowing compressed air described later is described later. Will reach the vicinity of the atomizing part.

  The atomizing part is formed between the upper end part of the compressed air introduction pipe part 114 and the baffle 122 described above. In this atomization part, the compressed air introduced into the compressed air introduction pipe part 114 by the compressor is sprayed from the upper end part of the compressed air introduction pipe part 114 toward the baffle 122. At that time, the liquid 200 sucked up to the vicinity of the atomization part by the action of the negative pressure generated in the atomization part is spouted to the atomization part by the action of the negative pressure described above, and sprayed toward the baffle 122 together with the compressed air. Attached. Due to this action, the liquid 200 collides with the baffle 122 to form fine droplets and become mist-like particles. The outside air in which the mist-like particles are introduced into the case body 110 (the outside air introduced by the above-described compressor) Aerosol is generated by being applied to the outside air introduced from the pressure adjusting port 101 described later based on the user's exhalation operation.

  Above the atomization part forming body 120, the flow path forming body 130 and the cap body 140 are positioned and arranged. The flow path forming body 130 partitions the space inside the case body 110 and forms a flow path through which airflow flows. In addition, the cap body 140 is fitted into an opening 133 provided on the upper surface of the flow path forming body 130, and a gap provided between the flow path forming body 130 and the cap body 140 causes the inside of the nebulizer body 100 to be inside. A pressure adjusting port 101 that communicates the space and the outside is formed.

  More specifically, the space inside the case body 110 is divided into a central part and a peripheral part by the intake pipe part 134 provided at the lower part of the flow path forming body 130, and the introduction path 102 is defined by the central part of these. The aerosol conveyance path 103 is configured by the peripheral portion. The introduction path 102 is a flow path for guiding the outside air that has flowed in from the pressure adjustment port 101 to the atomization section, and the aerosol transport path 103 sends the aerosol generated in the atomization section to the nebulizer relay pipe 150A. It is a flow path for guiding. Further, the nebulizer relay pipe 150A has therein a flow path 154 for guiding the aerosol to the nebulizer mask 160A.

  As described above, the connection portion 132 provided on the upper surface of the flow path forming body 130 is attached with the nebulizer relay pipe 150A, and the nebulizer mask 150A of the nebulizer relay pipe 150A has a nebulizer mask. 160A is attached. Thereby, the aerosol conveyance path 103 provided inside the case body 110 and the space 168 inside the nebulizer mask 160A communicate with each other via the flow path 154 formed inside the nebulizer relay pipe 150A. become.

  When inhaling aerosol in the nebulizer 1 having the above-described configuration, as shown in FIG. 8, first, the nebulizer mask 160A is connected to the mask-side opening end 152 of the nebulizer relay pipe 150A, and then the nebulizer mask 160A is used. The user's mouth 301 and the nose 302 are surrounded by the user-side opening 162a of the nebulizer mask 160A, and the mouth 301 and the nose 302 face the space 168 inside the nebulizer mask 160A. To do.

  Subsequently, by operating the nebulizer 1 in this state, aerosol is inhaled through the nebulizer mask 160A. Specifically, when the nebulizer 1 is operated, outside air is introduced into the case body 110 by the compressor via the tube 180 as shown in FIG. At this time, when the user performs an intake operation to inhale the aerosol, the internal space of the case body 110 becomes negative pressure via the nebulizer mask 160A. Accordingly, outside air is taken into the case body 110 from the pressure adjustment port 101.

  The taken-in outside air reaches the atomization section via the introduction path 102 formed inside the intake pipe section 134. Then, mist-like particles are imparted to the outside air including the outside air introduced by the above-described compressor and the outside air introduced from the pressure adjustment port 101 based on the user's exhalation operation, and aerosol is generated. . The generated aerosol flows into the space 168 inside the nebulizer mask 160A via the aerosol transport path 103. The aerosol flowing into the space 168 inside the nebulizer mask 160A is inhaled from the mouth 301 and the nose 302 into the user's body based on the user's inhalation operation.

  As shown in FIG. 7, the exhaled air exhaled from the user's mouth 301 and / or nose 302 during the inhalation of the aerosol described above passes through the space inside the nebulizer mask 160A through the nebulizer relay pipe 150A. It will flow into the internal flow path 154. The exhaled air that flows into the flow path 154 inside the nebulizer relay pipe 150A is discharged to the outside of the nebulizer 1 from the exhaust port 153a provided in the nebulizer relay pipe 150A based on the pressure balance in the flow path 154. . In order to prevent the chemical liquid contained in the aerosol from being discharged from the exhaust port 153a to the outside of the nebulizer 1, a filter kit 170 as shown in FIG. 8 is connected to the exhaust port 153a of the nebulizer relay pipe 150A. May be attached to the open end 153 including

  By adopting the connection structure of the nebulizer inhalation aid as described above, the nebulizer relay pipe 150A is placed in the space 168 inside the nebulizer mask 160A in a state where the nebulizer mask 160A is connected to the nebulizer relay pipe 150A. Is no longer located. Also, if the nebulizer mask 160A is inserted into the nebulizer relay pipe 150A with a predetermined or higher insertion pressure at the time of connection, the mask-side opening end 152 of the nebulizer relay pipe 150A is connected to the nebulizer mask 160A. Since it does not hit the wall portion 161 and is inserted further, it is possible to reliably prevent the nebulizer relay pipe 150A from reaching the space 168 inside the nebulizer mask 160A. As a result, it becomes possible to reliably prevent adhesion of saliva, runny nose, etc. to the nebulizer relay tube 150A during use, without causing sanitary problems, and particularly in a use environment such as mass vaccination. The occurrence of secondary infection can be effectively prevented.

  Further, by adopting the connection structure of the nebulizer inhalation aid as described above, the top wall portion 164b formed when the nebulizer mask 160A is manufactured by vacuum forming is the mask side opening of the nebulizer relay pipe 150A. It is possible to prevent the mask side opening 152a of the nebulizer relay pipe 150A from being partially shielded by the top wall 164b. Therefore, the flow of the aerosol is not hindered by the top wall portion 164b, and the highly efficient aerosol can be inhaled.

  Further, by adopting the connection structure of the nebulizer inhalation aid as described above, the tubular convex portion 164 of the nebulizer mask 160A is connected to the nebulizer relay 160A when the nebulizer mask 160A is connected to the nebulizer relay pipe 150A. In addition to being inserted and held in the recess 155c of the tube 150A, the annular recess 166 of the nebulizer mask 160A is extrapolated and held in the standing wall portion 155b of the nebulizer relay tube 150A. The holding force of the nebulizer mask 160A by the relay pipe 150A is improved, and these connection states are stably maintained. Accordingly, it is possible to reliably prevent the nebulizer mask 160A from falling off the nebulizer relay pipe 150A during use.

  Therefore, by adopting the configuration as in the present embodiment, it is possible to provide a nebulizer inhalation assisting device that can be suitably used even in a use environment such as mass vaccination.

(Modification and Reference Example 1 )
Figure 9 is a longitudinal sectional view showing a deformation example of the connection structure of a nebulizer for inhalation aid according to the present embodiment. FIG. 10 is a longitudinal sectional view showing a connection structure of an inhalation aid for nebulizer according to Reference Example 1. Hereinafter, with reference to these drawings, a modified example of the nebulizer inhalation aid in the present embodiment and the nebulizer inhalation aid according to Reference Example 1 will be described. In addition, the same code | symbol is attached | subjected in the figure about the same part as the inhalation aid for nebulizers in the above-mentioned this Embodiment, and the description is not repeated here.

As shown in FIG. 9, a nebulizer mask 160A as a component of the nebulizer for inhalation aid according to deformation example, annular recess 166 is not provided in the wall portion 161 of the position surrounding the relay pipe-side opening end 163 Except for this point, it has the same configuration as the nebulizer mask in the present embodiment described above. Furthermore, the nebulizer relay pipe 150A as a component of the nebulizer for inhalation aid according to deformation example has the same configuration as the nebulizer relay tube in the present embodiment. Even in such a configuration, the nebulizer mask 160A is simply connected to the nebulizer relay pipe 150A by inserting the tubular convex portion 164 of the nebulizer mask 160A into the concave section 155c of the nebulizer relay pipe 150A. It becomes possible.

  When configured as described above, the holding force slightly decreases compared to the connection structure of the nebulizer inhalation aid in the present embodiment described above. However, the effect of preventing secondary infection and the like can be sufficiently obtained even when configured as described above, and an inhalation aid for nebulizer that can be suitably used in a use environment such as mass vaccination. It can be.

As shown in FIG. 10, a nebulizer mask 160A as a component of the nebulizer for inhalation aid according to the reference example 1, the outer diameter of the nebulizer mask outer diameter of the tubular projecting portion 164 according to the deformation example above It has the same configuration as nebulizer mask according to deformation example above in points other than that are configured smaller than the dimension. More specifically, the outer dimension of the tubular convex portion 164 is configured to be the same as or slightly larger than the inner diameter of the mask side opening end 152 of the nebulizer relay pipe 150B described later. Further, the nebulizer relay pipe 150B as one part of the nebulizer inhalation aid according to the reference example 1 is not provided with the connection portion 155 constituted by the flange portion 155a and the standing wall portion 155b at the mask side opening end 152. , the portion is different from the nebulizer relay pipe 150A of the deformation example described above in that it is constituted by orthogonal tubes of the same diameter in the axial direction. Even in such a configuration, the nebulizer mask 160A can be easily connected to the nebulizer relay pipe 150B by inserting the tubular convex portion 164 of the nebulizer mask 160A into the mask side opening end 152 of the nebulizer relay pipe 150B. It becomes possible to connect to.

  When configured as described above, the mask side opening 152a of the nebulizer relay pipe 150B is partially shielded by the top wall portion 164b formed when the nebulizer mask 160A is manufactured by vacuum forming. become. However, the effect of preventing secondary infection and the like can be sufficiently obtained even when configured as described above, and an inhalation aid for nebulizer that can be suitably used in a use environment such as mass vaccination. It can be.

( Reference Example 2 )
FIG. 11 is a longitudinal sectional view for explaining a connection structure of a nebulizer inhalation aid according to Reference Example 2 . Incidentally, the same reference numerals in the figures for the same parts as the connection structure of a nebulizer for inhalation aid for definitive the form status of implementation and the description thereof will not be repeated here.

As shown in FIG. 11, a nebulizer mask 160B as one part of an inhalation aid for nebulizer according to Reference Example 2 is formed of a resin molded product having a substantially bowl-shaped outer shape and having a space 168 inside. The user side opening end 162 including the portion 162a, the relay pipe side opening end 163 including the relay pipe side opening 163a, and the space between the user side opening end 162 and the relay pipe side opening end 163 are defined. And a curved wall portion 161. The nebulizer mask 160B is manufactured by vacuum molding using a sheet-like resin member as with a nebulizer mask 160A that definitive the form status of implementation of the above (sheet molding).

  The relay tube side opening end 163 of the nebulizer mask 160B has a tubular recess 165 having a relay tube side opening 163a on its bottom surface. The tubular recess 165 includes a tubular portion 165a projecting from the wall portion 161 toward the user-side opening end 162 (that is, toward the side where the space 168 is located), and from the distal end of the tubular portion 165a to the inside. And a bottom wall portion 165b extending toward the bottom. The above-described relay pipe side opening 163a that is opened in a circular shape by punching is formed in the center of the bottom wall 165b. The bottom wall portion 165 is a portion that is pressed against the mold in order to stably hold the nebulizer mask 160B in the punching process for forming the relay tube side opening 163a performed after vacuum forming. Even after the punching step, as described above, the portion is left in a state of being extended inward from the tip of the tubular portion 165a.

Furthermore, the nebulizer relay pipe 150B as a component of the nebulizer for inhalation aid according to the reference example 2 is different from the nebulizer relay pipe 150A of definitive to form state of implementation of the above, the flange portion 155a and the mask-side opening end 152 The connecting portion 155 constituted by the standing wall portion 155b is not provided, and the portion is constituted by a straight pipe having the same diameter in the axial direction.

  In order to connect the nebulizer mask 160B to the nebulizer relay pipe 150B, the tubular recess 165 of the nebulizer mask 160B is extrapolated to the mask side opening end 152 of the nebulizer relay pipe 150B. Thereby, the tubular recess 165 of the nebulizer mask 160B is held by the mask side opening end 152 of the nebulizer relay pipe 150B. The above connection can be realized by a simple operation of simply pushing the nebulizer mask 160B toward the nebulizer relay pipe 150B.

  When configured as described above, the mask side opening 152a of the nebulizer relay pipe 150B is partially shielded by the bottom wall portion 165b formed when the nebulizer mask 160B is manufactured by vacuum forming. become. However, the effect of preventing secondary infection and the like can be sufficiently obtained even when configured as described above, and an inhalation aid for nebulizer that can be suitably used in a use environment such as mass vaccination. It can be.

  Further, the mask of the nebulizer relay pipe 150B is made by matching the radial length of the portion extending toward the inside of the bottom wall portion 165b with the thickness of the mask side opening end 152 of the nebulizer relay pipe 150B. It is also possible to prevent the side opening 152a from being partially shielded by the bottom wall 165b.

In the nebulizer for inhalation aid for definitive its variation form status Contact and embodiments described in the above, longitudinal section as nebulizer relay pipe explanation was made about the substantially T-shaped tubular member, The shape of the nebulizer relay pipe is not limited to such a shape. For example, a tubular member having a substantially L-shaped longitudinal section in which no exhaust port is provided, a tubular member having a substantially T-shaped or L-shaped section in which a check valve as an exhalation valve is provided in the exhaust port, and the like are used. It is also possible.

  In the above-described embodiment, the description has been made by exemplifying a compressor type nebulizer as a nebulizer in which the inhalation aid for nebulizer in the present embodiment is used. However, an ultrasonic nebulizer or an ultrasonic vibration type In nebulizers and the like, nebulizer inhalation aids based on the present invention can be suitably used.

  As described above, the above-described embodiments and modifications thereof disclosed herein are illustrative in all respects and are not restrictive. The technical scope of the present invention is defined by the terms of the claims, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

It is a perspective view of a nebulizer mask definitive to form state of the present invention. It is a longitudinal sectional view taken along the line II-II shown in Figure 1 of the nebulizer mask definitive to form state of the present invention. It is a longitudinal sectional view of the nebulizer relay pipe definitive to form state of the present invention. It is an exploded perspective view illustrating a connection structure of a nebulizer for inhalation aid for definitive the form status of the present invention. It is a longitudinal sectional view illustrating a connection structure of a nebulizer for inhalation aid for definitive the form status of the present invention. The nebulizer for inhalation aid for definitive the form status of the present invention is a perspective view of the nebulizer showing a state mounted in the nebulizer body. It is a longitudinal sectional view of the nebulizer showing a state where a nebulizer for inhalation aid for definitive the form status of the present invention mounted in the nebulizer body. It is a perspective view which shows the use condition of the nebulizer shown in FIG. 6 and FIG. It is a longitudinal sectional view showing a modification Katachirei connecting structure of a nebulizer for inhalation aid for definitive the form status of the present invention. It is a longitudinal sectional view showing a connection structure of a nebulizer for inhalation aid according to the reference example 1. It is a longitudinal cross-sectional view which shows the connection structure of the inhalation aid for nebulizers which concerns on the reference example 2. FIG. It is sectional drawing which shows an example of the connection structure of the nebulizer mask and the nebulizer relay pipe at the time of manufacturing a nebulizer mask using vacuum forming.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Nebulizer, 100 Nebulizer main body, 101 Pressure adjustment port, 102 Introduction path, 103 Aerosol conveyance path, 110 Case body, 114 Compressed air introduction pipe part, 116 Storage part, 120 Atomization part formation body, 122 Baffle, 124 Absorption pipe Forming part, 130 flow path forming body, 132 connecting part, 133 opening part, 134 intake pipe part, 140 cap body, 150A, 150B nebulizer relay pipe, 151 main body side opening end, 151a main body side opening part, 152 mask side opening End, 152a Mask side opening, 153 Open end, 153a Exhaust port, 154 Flow path, 155 Connection, 155a Flange, 155b Standing wall, 155c Recess, 160A, 160B Nebulizer mask, 161 Wall, 162 User side Open end, 162a User side opening, 163 Relay pipe Open end, 163a Relay tube side opening, 164 Tubular convex portion, 164a Tubular portion, 164b Top wall portion, 165 Tubular concave portion, 165a Tubular portion, 165b Bottom wall portion, 166 Annular concave portion, 168 space, 170 Filter kit, 180 Tube , 200 liquid, 301 mouth, 302 nose.

Claims (3)

An inhalation aid for a nebulizer used by being attached to a nebulizer body so that a user can inhale the aerosol generated inside the nebulizer body,
A nebulizer relay pipe ( 150A ) attached to the nebulizer body, and a nebulizer mask (160A) detachably connected to the nebulizer relay pipe ( 150A ),
The nebulizer mask (160A) is a molded product manufactured by vacuum-forming a sheet-shaped resin member, and has a user-side opening end (which can be pressed against the face so as to surround the user's mouth and nose) 162), a relay pipe side open end (163) connectable to the nebulizer relay pipe ( 150A ), and a space between the user side open end (162) and the relay pipe side open end (163) A wall (161) defining
The relay pipe side opening end (163) of the nebulizer mask (160A) is a tubular part projecting from the wall part (161) toward the side opposite to the user side opening end (162) side ( 164a) and a tubular convex portion including a top wall portion (164b) extending inward from the tip of the tubular portion (164a) and having a relay tube side opening (163a) at the center thereof (164b) 164),
The nebulizer relay pipe ( 150A ) includes a main body side opening end (151) that can be attached to a nebulizer main body, a mask side opening end (152) to which the nebulizer mask (160A) can be connected, and the main body side opening end. (151) and a flow path (154) communicating with the mask side opening end (152),
The mask side opening end (152) of the relay tube for nebulizer (150A) includes a flange portion (155a) extending outward from the tip of the mask side opening end (152), and the flange portion (155a). ) Is defined by an upright wall portion (155b) erected from the tip of the flow passage (154) to the side opposite to the flow path (154) side, the flange portion (155a) and the upright wall portion (155b), and the center of the bottom portion thereof Including a recess (155c) provided with a mask side opening (152a) in the part,
By the tubular projections (164) are held interpolated in the nebulizer mask the the recess (155c) of the nebulizer relay tube (150A) (160A), said nebulizer relay pipe (150A) The nebulizer mask (160A) is connected to the nebulizer relay pipe (150A) in a state where the mask side opening (152a) and the relay pipe side opening (163a) of the nebulizer mask (160A) face each other. An inhalation aid for a nebulizer. The mask side opening (152a) of the nebulizer relay pipe (150A) has the top of the nebulizer mask (160A) in a state where the nebulizer mask (160A) is connected to the nebulizer relay pipe (150A). without having to face the wall portion (164b), the mask-side opening has a total area of (152a) faces the said relay pipe-side opening of the nebulizer mask (160A) (163a), to claim 1 The inhalation aid for a nebulizer as described. In the state where the nebulizer mask (160A) is connected to the nebulizer relay pipe (150A) on the wall portion (161) at a position surrounding the tubular convex portion (164) of the nebulizer mask (160A). The inhalation aid for a nebulizer according to claim 1 or 2 , further comprising an annular recess (166) that receives and holds the standing wall (155b) of the relay pipe (150A).

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