KR20190123104A - Upper airway spraying device - Google Patents

Abstract

The present invention relates to an upper airway spraying device, comprising a spraying container having an accommodating space where a chemical liquid is accommodated; a mouthpiece part provided on the outside of the spraying container and allowing users to blow air into the accommodating space by mouth; and a chemical liquid discharge part disposed in the spraying container at a position spaced apart from the mouthpiece part and discharging the chemical liquid in the accommodating space into the nasal cavity of the user as air flows into the mouthpiece part.

Description

Upper airway spraying device

The present invention relates to an upper airway spray device for spraying a drug solution for treating a respiratory disease or the like into a nasal cavity, a nasopharynx, and a pharyngeal or laryngeal region of a patient.

The upper airway spray device is a device for spraying a nasal solution or inhalation into the oral cavity to treat the symptoms of respiratory diseases such as asthma or rhinitis. In other words, the patient can self-administer and prevent respiratory diseases by injecting liquid drugs containing pharmaceutical ingredients that alleviate the symptoms of respiratory diseases, inhaling them into the nasal cavity, inhaling them directly into the capillaries, or washing the mucosal surfaces. can do.

In general, the upper airway spray apparatus has a structure in which an actuator is installed such as a pumping mechanism for spraying the chemical liquid by pressing on a container containing the chemical liquid, and when the patient presses the pumping mechanism and pressurizes, the chemical liquid is sucked into the nozzle and sprayed. Is operated in a manner.

According to this configuration, however, the chemical liquid is caught in the nasal valve, which is the narrowest part of the nasal cavity, and thus cannot be effectively delivered to the back of the nasal cavity, and the actuator may be damaged or fail to operate properly due to the repeated use of the actuator. There is a problem that cannot be used.

[Patent Document 1] Publication No. 10-2013-0100334 (published Sep. 10, 2013)

The present invention is to solve the above problems, it is configured to spray the drug solution into the nasal air blown by the mouth so that the drug is effectively delivered to the nasal back and nasal cavity, and the opposite nasal cavity, but also excludes the drug solution discharge portion It is to provide an upper respiratory spray device capable of effectively delivering a drug to the entire respiratory tract, which can inhale the medicinal solution into the mouth and does not require the use of an actuator and thus can be used semi-permanently.

According to an embodiment of the present invention, there is provided a spray container having an accommodation space in which a chemical liquid is accommodated; A mouth portion provided outside of the spray container, for allowing a user to blow air into the accommodation space by mouth; And a chemical liquid discharge part disposed in the spray container at a position spaced apart from the mouth portion, and including a chemical liquid discharge part which discharges the chemical liquid in the accommodation space into the nasal cavity of the user as air flows into the mouth portion. .

In addition, the chemical liquid discharge portion has a form of a nose piece which is inserted into the nostril of the user and detachably coupled to the spray container so as to be connected to the chemical liquid discharge path inside the spray container, the upper air spray device is When separating, the user may be configured to suck the air through the mouthpiece to suck the chemical liquid in the spray container into the oral cavity.

In addition, the nose piece may be formed with an ampoule installation portion in which the ampoule containing the chemical liquid is installed, and the spray container may be formed with an insertion hole into which the ampoule installed in the ampoule installation portion is inserted.

In addition, the spray container may be provided with a cutter for cutting the ampoule to apply the chemical liquid in the ampoule into the receiving space.

In addition, a first one-way valve may be further installed on the chemical liquid discharge path inside the spray container to prevent the backflow of the chemical liquid.

In addition, the airway spray apparatus may further include a chemical liquid suction tube for sucking the chemical liquid in the accommodation space as the air flows into the air inlet hole of the mouth portion and discharges it to the chemical liquid discharge portion.

Here, the chemical liquid intake pipe has a form of a three-way pipe having an air inlet, a chemical liquid inlet, and a chemical liquid outlet, and the passage area of the air inlet may be formed to be smaller along the inflow direction of the air.

In addition, the chemical intake pipe may be provided with an air inlet pipe for communicating between the air inlet port of the chemical liquid suction pipe and the mouth portion, and a chemical liquid discharge pipe for communicating between the chemical liquid outlet port of the chemical liquid suction pipe and the discharge hole of the nose piece.

In addition, the air inlet hole of the mouth portion may be formed to reduce the flow path area along the air inlet direction.

In addition, one side of the spray container, the chemical liquid recovery mechanism for recovering the chemical liquid introduced into the nostril of the user through the chemical liquid discharge portion through the other nostril may be further coupled.

In addition, the chemical liquid recovery mechanism is a recovery container detachably coupled to one side of the spray container, and the recovery is provided outside the recovery container and inserted into the nostril of the user to recover the chemical liquid discharged from the nasal cavity of the user It may include a nose piece.

In addition, the recovery container may be configured to be selectively coupled to one side and the other side of the spray container.

The recovery container may include a recovery hole through which the solution recovered through the recovery nose piece flows, and a second one-way valve may be installed on the recovery hole to prevent backflow of the chemical liquid.

In addition, the chemical liquid recovery mechanism may further include a recovery plate for receiving the chemical liquid not recovered in the recovery nose piece, the recovery container or recovery nose piece may be formed with a recovery hole for recovering the chemical liquid of the recovery plate. .

According to an embodiment of the present invention, the user implements a structure in which the chemical liquid is sprayed into the nasal cavity by blowing air, and thus spraying the chemical liquid while blowing in the mouth, the research area of the neck area is closed so that the chemical liquid is behind the neck. Without passing, the drug can be delivered to the opposite nasal cavity after the application of one side nasal cavity, the effective delivery of the drug is possible.

In addition, since the use of the actuator is not necessary as in the prior art, such problems as damage to the actuator do not occur, and thus the semipermanent use of the upper airway spray apparatus is possible.

In addition, by detachably configuring the nose piece inserted into the user's nostrils, there is an advantage that can selectively perform nasal injection and oral injection using a single device.

In addition, by additionally installing a chemical liquid recovery mechanism in the spray container it is possible to recover the drug discharged through the opposite nostril of the patient, there is an advantage that can solve the discomfort and cleanliness problems of the patient due to the discharge drug .

In addition, there is an advantage in that the ampoule is provided in the nose piece to conveniently fill the chemical liquid in the spray container using the ampoule containing the chemical liquid.

1 is a perspective view of the upper airway spray apparatus according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of the upper airway spray apparatus shown in FIG. 1. FIG.
Figure 3 is a view showing the operating state of the upper airway spray apparatus according to an embodiment of the present invention.
4 is a cross-sectional view of the upper airway spray apparatus shown in FIG. 1.
5 is a bottom perspective view of the nose piece shown in FIG.
6 is a cross-sectional view of the cutter shown in FIG. 4.
7 is a view sequentially showing a chemical liquid filling process of the upper airway spray apparatus through the ampoule injection.
8 is a view sequentially showing a chemical liquid filling process of the upper airway spray apparatus through direct injection.
FIG. 9 is a cross-sectional view of the one-way valve installable on the chemical liquid discharge pipe shown in FIG. 4. FIG.
10 is a perspective view showing a state in which a chemical liquid recovery mechanism is additionally installed in the upper airway spray apparatus shown in FIG. 1.
11 is a perspective view showing a modified embodiment of the upper airway spray apparatus shown in FIG. 10.
12 is a perspective view of the upper airway spray apparatus according to another embodiment of the present invention.
FIG. 13 is a cross-sectional view of the upper airway spray apparatus shown in FIG. 12.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprises" or "having" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Hereinafter, an embodiment of the upper airway spray apparatus according to the present invention will be described in detail with reference to the accompanying drawings, in the following description with reference to the accompanying drawings, the same or corresponding components are given the same reference numerals and Duplicate explanations will be omitted.

1 is a perspective view of the upper respiratory spray apparatus according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the upper respiratory spray apparatus shown in FIG.

1 and 2, the upper air spray device according to the present embodiment includes a spray container 10, a mouthpiece 20, and a chemical liquid discharge part 30.

The spray container 10 is provided with the accommodating space in which the chemical liquid 1 is accommodated. The spray container 10 is provided with a through hole 11 through which the chemical liquid 1 in the accommodation space is discharged.

The mouth 20 is provided outside the spray container 10 and is configured to allow a user to blow air into the accommodation space. The mouth 20 may be formed to protrude from the outer surface of the spray container 10, and has an air inlet 21 in communication with the receiving space in the spray container 10. The mouth 20 may be integrally formed with the spray container 10 or may have a configuration coupled to the spray container 10 as a separate member.

The chemical liquid discharge part 30 is disposed at a position spaced apart from the mouthpiece 20 in the spray container 10, and as the air flows into the mouthpiece 20, the chemical liquid 1 in the accommodation space is separated by the user's nasal cavity (N). ) Into the outlet.

The chemical liquid discharge part 30 may have the form of a nose piece 31 coupled to the outside of the spray container 10. The nose piece 31 is inserted into the user's nostril and has a discharge hole 32 connected to the chemical liquid discharge path inside the spray container 10. According to this embodiment, the mounting portion 12 is formed in the upper portion of the spray container 11, the nose piece 31 is the mounting portion 12 so that the discharge hole 32 is connected to the through hole 12 of the mounting portion 11 ) Is combined.

The nose piece 31 may be detachably coupled to the spray container 10, and may be coupled to the mounting portion 12 of the spray container by a fitting or screwing method. Through such a detachable configuration of the nose piece 31, it is possible to selectively perform nasal injection and oral injection.

Figure 3 is a view showing the operating state of the upper airway spray apparatus according to an embodiment of the present invention, Figure 3 (a) shows a nasal spray, (b) shows a mouth spray respectively.

As shown in FIG. 3A, when the nasal injection is performed, the user inserts the mouth portion 10 and simultaneously inserts the chemical liquid discharge portion 30 into the nostril. In this state, when the user exhales and blows air into the mouthpiece 10, the chemical liquid 1 inside the spray container 10 is sprayed through the chemical liquid discharge part 30, and the chemical liquid is injected into the nasal cavity N of the user. To be injected. Arrows shown in FIG. 3A indicate the air movement direction in the user's oral cavity O and the chemical liquid movement direction in the nasal cavity N, respectively.

As such, when spraying the chemical solution while blowing in the mouth, the study area of the throat area is closed and the chemical solution does not fall behind the neck, and the drug can be delivered to the opposite nasal cavity after applying one side nasal cavity and then turning the nasal cavity. Effective delivery of is possible.

On the other hand, as shown in Figure 3 (b), when performing oral injection, the chemical liquid discharge portion 30 is used in a state separated from the spray container (10). When the user inhales in the state in which the mouth portion 10 is blown, the chemical liquid 1 inside the spray container 10 is sprayed into the mouth of the user O through the mouth portion 10.

FIG. 4 is a cross-sectional view of the upper air spray device shown in FIG. 1. Hereinafter, an internal structure of the upper air leveling device will be described with reference to FIG. 4.

As shown in FIG. 4, as the air flows into the air inlet hole 21 of the mouthpiece 20 in the spray container 10, the chemical liquid 1 in the accommodation space is sucked in and the discharge hole of the nose piece 31 is formed. A chemical liquid suction pipe 40 for discharging to 32 is installed.

The chemical liquid intake pipe 40 may have the form of a three-way pipe having an air inlet 41, a chemical liquid inlet 42, and a chemical liquid outlet 43, as in the present embodiment. The chemical liquid suction port 42 side end of the chemical liquid suction tube 40 is formed to extend to a position close to the bottom of the spray container 10 so as to be immersed in the chemical liquid 1.

An air inlet pipe 51 is provided between the air inlet 41 of the chemical liquid inlet tube 40 and the mouth 20 to communicate and connect therebetween. The air inlet pipe 51 serves to block the air inlet passage from the chemical liquid and prevent the chemical liquid in the accommodation space from flowing out, so that the chemical liquid in the spray container 10 is introduced into the air inlet hole of the mouth 20. Leakage to the outside through the 21 can be prevented.

In addition, the flow path area of the air inlet 41 of the chemical liquid suction pipe 40 may be formed to be smaller along the inflow direction of the air. According to this configuration, the speed of the air passing through the chemical liquid intake pipe 40 increases with the reduction of the flow path area, and thus the pressure of the portion having the small flow path area decreases (the Bernoulli's principle) through the chemical liquid intake port 42. The chemical liquid 1 will be able to rise to the low pressure side.

The chemical liquid discharge pipe 52 is installed between the chemical liquid discharge port 43 of the chemical liquid suction pipe 40 and the through hole 12 of the spray container 10, which is a discharge hole of the chemical liquid discharge port 43 and the nose piece 31. 32) Communicate between. The air introduced through the mouthpiece 20 and the chemical liquid 1 sucked through the chemical liquid suction pipe 40 move together through the chemical liquid discharge pipe 52 and are discharged from the nose piece 31 to the nasal cavity N of the user. .

Meanwhile, the sealing member 33 may be installed in the chemical liquid discharge part 30 to prevent leakage of the chemical liquid. According to the present embodiment, an o-ring sealing member 33 is illustrated between the mounting portion 12 and the nose piece 33.

5 is a bottom perspective view of the nose piece shown in FIG. 1.

As shown in FIG. 5, the nose piece 31 may be provided with an ampoule mounting part 35 in which an ampoule A (see FIG. 7) containing a chemical solution is installed. Through this, the chemical liquid 1 can be conveniently filled in the spray container 10 by assembling the nose piece 31 in the state where the ampoule A was attached to the nose piece 31 as mentioned later.

The ampoule mounting portion 35 may be formed to extend from the bottom of the nose piece 31 by a predetermined length, and has an insertion hole 31 corresponding to the shape of the ampoule A so that the ampoule A can be inserted therein. do.

Referring to FIG. 4 again, an injection hole 13 into which the ampoule A installed in the ampoule mounting part 35 is inserted is formed in the spray container 10, specifically, the mounting part 12. And, inside the spray container 10 is provided with a cutter 50 for cutting the ampoule (A) to apply the chemical liquid in the ampoule (A) into the accommodation space.

FIG. 6 is a cross-sectional view of the cutter shown in FIG. 4. Referring to this, the tip of the cutter 50 has a sharp edge, which is formed up and down along the entrance direction of the ampoule A. FIG. The cutter 50 is configured such that the edge thereof is located in the insertion hole 31 of the ampoule mounting portion 35 when the nose piece 31 is mounted, and thus the ampoule A is mounted in the process of mounting the nose piece 31. This can be cut.

7 is a view sequentially showing a chemical liquid filling process of the upper airway spray apparatus through the ampoule injection method.

Referring to the ampoule injection method, the ampoule (A) is first installed in the ampoule mounting portion 35 of the nose piece 31 as shown in (a), and the nose piece 31 is sprayed as shown in (b). (10) to the mounting portion (11). In this process, the cutter 50 cuts the ampoule A so that the chemical liquid in the ampoule A is applied to the receiving space of the spray container 10 as shown in (c).

FIG. 8 is a view sequentially illustrating a chemical liquid filling process of the upper respiratory spray apparatus through a direct injection method, and after separating the nose piece 31 from the spray container 10 as shown in (a), the through hole 11 or The chemical solution may be directly injected through the insertion hole 13.

Referring back to FIG. 4, a one-way valve 60 may be additionally installed on the chemical liquid discharge path inside the spray container 10, for example, on the chemical liquid discharge pipe 52. The structure using the one-way valve 60 is applied only when spraying into the nasal cavity.

9 is a cross-sectional view of the one-way valve 60 that can be installed on the chemical liquid discharge pipe 52 shown in FIG. The one-way valve 60 flows only in the direction in which the chemical liquid is discharged, and does not flow in the opposite direction.

As shown in FIG. 9, the one-way valve 60 may include a valve body 61 in which a first flow path 62 and a second flow path 63 having a larger diameter are formed in turn, and according to the flow in the discharge direction of the chemical liquid. One passage 61 may have a configuration including a ball 64 to move to open, the ball 64 may be supported to be pressed in the closing direction by a spring or the like as necessary. According to this, the ball 64 is movable in the direction of the arrow in which the chemical liquid is discharged, so that the chemical liquid can flow, but in the opposite direction, the chemical liquid can not flow because the ball 64 cannot move, and the chemical liquid is one side. Allow flow only in the direction. Such a configuration illustrates one of several configurations of the one-way valve 60, and may be replaced with another configuration.

10 is a perspective view showing a state in which a chemical liquid recovery mechanism is additionally installed in the upper airway spray apparatus shown in FIG. 1.

According to this embodiment, the chemical liquid recovery mechanism 70 is further coupled to one side of the spray container 10. The chemical liquid recovery mechanism 70 is configured to recover the chemical liquid introduced into the nostril of the user through the chemical liquid discharge part 30 through the other nostril.

The chemical liquid recovery mechanism 70 is configured to be selectively coupled to both sides of the spray container 10 so that it can be applied to both the nostrils of the user, Figure 10 (a) and (b) is a chemical liquid recovery mechanism 70 ) Is coupled to one surface and the other surface of the spray container 10, respectively.

The chemical liquid recovery mechanism 70 includes a recovery container 71 detachably coupled to one side of the spray container 10, and a recovery nose piece 72 provided outside the recovery container 71.

The recovery container 71 has a form similar to the spray container 10, but the mouthpiece 20 is not provided. The recovery container 71 is configured to be selectively coupled to one surface and the other surface of the spray container 10, which can be implemented through a fastening structure such as a male and female coupling method.

The recovery nose piece 72 is configured to recover the chemical liquid inserted into the nostril of the user and discharged from the nasal cavity of the user, and has a configuration substantially the same as the nose piece 31 coupled to the spray container 10. However, the structure similar to the chemical | medical agent installation part 35 is not necessary for the recovery nose piece 71. FIG.

A through hole (recovery hole) having a shape corresponding to the through hole 11 of the spray container 10 may also be formed in the mounting portion 73 of the recovery container 71, through which the flow into the recovery nose piece 72 is formed. The chemical liquid may be recovered into the recovery container 71. The one-way valve for preventing the backflow of the chemical liquid may also be installed in the through-hole of the recovery container 71, which may have the same configuration as the one-way valve 60 described above.

According to this embodiment, by additionally installing the chemical liquid recovery mechanism 70 in the spray container 10, the drug can not be absorbed in the nasal cavity of the patient and recovered through the opposite nostril can be recovered, through which the opposite nostril Discomfort and cleanliness problems caused by the drug flow from the can be solved.

11 is a perspective view showing a modified embodiment of the upper airway spray apparatus shown in FIG. 10.

The upper respiratory spray apparatus according to the present embodiment has a structure in which a recovery plate 80 is additionally installed in the upper respiratory spray apparatus shown in FIG. 10. The recovery plate 80 may be coupled to the recovery container 71 and configured to receive the unrecovered chemical liquid through the recovery nose piece 72. In the present embodiment, the recovery plate 80 illustrates a form having a coupling hole to which the mounting portion 73 of the recovery container 71 is fitted.

A recovery hole 74 may be formed in the recovery container 71 or the recovery nose piece 72 to recover the chemical liquid received by the recovery plate 80 into the recovery container 71. The recovery hole 74 is formed in the mounting part 73 of the recovery container 71 which is the site | part engaged with 80.

12 is a perspective view of the upper respiratory spray apparatus according to another embodiment of the present invention, and FIG. 13 is a cross-sectional view of the upper respiratory spray apparatus shown in FIG. 12.

The upper airway spray device according to the present embodiment also includes a spray container 10, a mouthpiece 20, and a chemical liquid discharge part 30, similar to the embodiment shown in FIG. 1.

In the present embodiment, the air inlet pipe 51 and the chemical liquid discharge pipe 52 of the previous embodiment (see FIG. 4) are not provided, and the chemical liquid suction pipe 40 is inserted into the nose piece 31 in the form of a straight pipe. Has a configuration.

When adopting such a configuration, the air inlet hole 21 of the mouth 20 is formed to reduce the flow path area along the air inflow direction, which increases the speed of the air flowing through the flow path area (pressure) Decrease), the structure for raising the chemical liquid (1) through the suction pipe (40).

In the case of the present embodiment as a simplified form compared to the embodiment shown in Figure 1, the operating principle and operation state is the same as the previous embodiment, the configuration adopted in the above embodiments will be equally applicable.

Although the foregoing has been described with reference to specific embodiments of the present invention, those skilled in the art may vary the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. It will be understood that modifications and changes can be made.

10: spray container 20: mouthpiece
30: chemical liquid discharge part 31: nose piece
32: discharge hole 35: ampoule mounting portion
40: chemical suction pipe 50: cutter
51: air inlet pipe 52: chemical liquid discharge pipe
60: one-way valve 70: chemical liquid recovery mechanism
71: recovery container 72: recovery nose piece
74: recovery hole 80: recovery plate

Claims (14)

A spray container having an accommodation space in which the chemical liquid is accommodated;
A mouth portion provided outside of the spray container, for allowing a user to blow air into the accommodation space by mouth; And
The upper respiratory spray device disposed in the spray container at a position spaced apart from the mouthpiece and including a chemical liquid discharge part for discharging the chemical liquid in the accommodation space into the nasal cavity of the user as air flows into the mouthpiece. The method of claim 1,
The chemical liquid discharge part has a form of a nose piece which is inserted into the nostril of the user and detachably coupled to the spray container so as to be connected to the chemical liquid discharge path inside the spray container,
The upper respiratory tract spray device, characterized in that the user can suck the air through the mouth portion when the separation of the nose piece to suck the chemical liquid in the spray container into the oral cavity. The method of claim 2,
The nose piece is formed with an ampoule installation portion is installed ampoule containing the chemical solution,
The spray container, characterized in that the spray container is formed with an insertion hole into which the ampoule installed in the ampoule mounting portion is inserted. The method of claim 3,
And said cutter is provided with a cutter for cutting said ampoule to apply the chemical liquid in said ampoule into said receiving space. The method of claim 1,
The upper airway spray apparatus installed on the chemical liquid discharge path inside the spray container, further comprising a first one-way valve to prevent backflow of the chemical liquid. The method of claim 1,
The upper respiratory spray device, characterized in that it further comprises a chemical liquid suction tube for sucking the chemical liquid in the accommodation space as the air flows into the air inlet hole of the mouth portion and discharges it to the chemical liquid discharge portion. The method of claim 6,
The chemical liquid inlet tube has the form of a three-way pipe having an air inlet, a chemical liquid inlet, and a chemical liquid outlet,
The airway spray apparatus according to claim 1, wherein the flow path area of the air inlet is made smaller along the inflow direction of the air. The method of claim 7, wherein
An air inlet pipe communicating between an air inlet of the chemical liquid inlet pipe and the mouthpiece; And
The upper airway spray apparatus further comprising a chemical liquid discharge pipe communicating between the chemical liquid discharge port of the chemical liquid suction pipe and the discharge hole of the nose piece. The method of claim 6,
The air inlet hole of the air inlet is formed to reduce the flow path area along the air inlet direction. The method of claim 1,
It is coupled to one side of the spray container, the upper airway spraying apparatus characterized in that it further comprises a chemical liquid recovery mechanism for recovering the chemical liquid injected into one nostril of the user through the chemical liquid discharge through the other nostril. The method of claim 10, wherein the chemical liquid recovery mechanism,
A recovery container detachably coupled to one side of the spray container; And
The upper airway spray apparatus, which is provided outside the collection container and includes a recovery nose piece which is inserted into the nostril of the user and recovers the chemical liquid discharged from the nasal cavity of the user. The method of claim 11,
The recovery container is the upper airway spray apparatus, characterized in that configured to be selectively coupled to one side and the other side of the spray container. The method of claim 11,
The recovery container is provided with a recovery hole through which the solution recovered through the recovery nose piece flows,
The upper airway spray apparatus, characterized in that the second one-way valve is installed on the recovery hole to prevent the back flow of the chemical liquid. The method of claim 11,
Further comprising a recovery plate for receiving the chemical liquid not recovered in the recovery nose piece,
Said recovery container or recovery nose piece is said upper spraying device, characterized in that a recovery hole for recovering the chemical liquid of the recovery plate is formed.

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