JPH06312019A - Liquid medicine spray receptacle - Google Patents

Abstract

PURPOSE:To prevent a liquid medicine from pollution by the atmosphere and use up effectively the whole amount of the liquid medicine. CONSTITUTION:A receptacle body 10 is provided on the lower part with a flexible storage chamber 12 to receive a liquid medicine L therein. Also, a spray pump 30 is attached to the upper part of the storage chamber 12 which is protected by an outer tube 20. In the operation of the spray pump 30 the liquid medicine L is spouted in the spray condition to the outside, while the storage chamber 12 is crushed by atmospheric pressure, so that the atmosphere never invades into the storage chamber 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drug solution spray container for spraying a drug solution for nasal application, throat application, etc., and more particularly to a drug solution spray container in consideration of preventing contamination of the drug solution.

[0002]

2. Description of the Related Art A drug solution spray container for spraying a drug solution in a spray form on an affected area is known.

In this device, a spray pump having a spray nozzle is attached to the mouth of a container for storing the drug solution. When the spray pump is operated, the drug solution passes through a suction pipe hung in the container. It is sucked by the spray pump and can be sprayed outside from the spray nozzle in the form of spray. As the spray pump at this time, a very small pump that can be operated by fingers is used.

[0004]

According to the prior art, the container for containing the chemical solution needs to be in communication with the outside air, and the outside air needs to flow into the container together with the use of the chemical solution. The problem that the chemical liquid may be contaminated by various bacteria in the outside air is unavoidable. This is because if the container is completely sealed, atmospheric pressure does not act on the drug solution, and the drug solution cannot be sucked even if the spray pump is operated.

Further, since the drug solution in the container is sucked through the suction pipe, it is difficult to completely suck the drug solution, and there is a problem that there is not much waste drug solution remaining in the container that cannot be sucked. Particularly in recent nasal drops and the like, the concentration of the medicinal component is high and there are many high-viscosity expensive drugs, so that the large amount of residual drug solution is extremely uneconomical and a serious problem.

In view of the above-mentioned problems of the prior art, the object of the present invention is to provide a flexible storage chamber at the bottom of the container body so that the chemical liquid is not contaminated by various bacteria in the outside air. Moreover, it is an object of the present invention to provide a chemical solution spray container capable of minimizing the amount of wasteful residual chemical solution.

[0007]

The structure of the present invention for achieving the above object is to provide a container main body having a flexible storage chamber for accommodating a chemical solution in its lower part, and a storage chamber connected to the container main body. The storage chamber is sealed by mounting the spray pump, and an air circulation hole is provided in the outer cylinder.

The storage chamber is formed integrally with the container body,
Alternatively, it may be a separate bag-shaped container, and in the latter case, it can be attached to the container body via a connecting adapter.

Further, the storage chamber may be integrally formed with the container body or may be a separate bellows.

[0010]

With this structure, the container body can be sealed by injecting the chemical solution into the lower storage chamber and then mounting the spray pump, so that the chemical solution is completely shielded from the outside air. Can be placed at In addition,
The outer cylinder protects the storage chamber so that the storage chamber is not crushed inadvertently, and the air circulation hole provided in the outer cylinder allows the outside air to flow therethrough, thereby Atmospheric pressure can be constantly applied to the surroundings.
Therefore, by operating the spray pump, the chemical liquid in the storage chamber can be sprayed. At this time, since the flexible storage chamber contracts as the chemical liquid decreases, the residual amount of the chemical liquid becomes extremely small. As such, almost the entire amount can be effectively used.

When the storage chamber is a bag-shaped container or a bellows integrally formed with the container body, since there is no connection point other than the connection portion between the container body and the spray pump, the storage pump can be simply attached. The chamber can be easily sealed.

When the storage chamber is a bag-shaped container or bellows which is separate from the container body, the shape of the container body is simple and the container body is easy to mold. Furthermore, when the connection adapter is used, the storage chamber can be attached to the container body via the connection adapter after the connection adapter and the storage chamber are integrally assembled, so that the whole assembling work is further facilitated. .

[0013]

Embodiments Embodiments will be described below with reference to the drawings.

The chemical liquid spray container comprises a container body 10 having a storage chamber 12, an outer cylinder 20 connected to the container body 10, and a spray pump 30 mounted on the container body 10 (FIG. 1).

The container body 10 has a hollow cylindrical mouth 11 having an external thread 11a formed on the outer periphery thereof, a bag-shaped storage chamber 12 formed below the mouth 11, and a space between the mouth 11 and the storage chamber 12. It is integrally formed with the short skirt-shaped mounting portion 13 formed in. The storage chamber 12 includes a bottom portion 12a and a mouth portion 11
The entire portion except for the narrowed portion 12b continuous with is formed thin and has sufficient flexibility so as to be easily crushed by the atmospheric pressure.

The outer cylinder 20 includes a cylindrical body 21 and a bottom 22.
And is formed into a bottomed container having a main body 21
By fitting the upper edge of the to the lower edge of the mounting portion 13 of the container body 10, it is integrally connected to the container body 10. The container body 10 and the outer cylinder 20 may be integrally bonded by ultrasonic bonding or the like. An air circulation hole 22a is formed in the bottom portion 22 of the outer cylinder 20.

The spray pump 30 comprises a mouth portion 1 of the container body 10.
A pump main body 32 is housed in a case 31 that can be screwed onto 1.

The case 31 has a female screw 31a on its inner surface, and by screwing the male screw 11a into the female screw 31a, the case 31 is airtightly attached to the mouth 11 of the container body 10 via the packing 33 to seal the storage chamber 12. be able to. At this time, the lower portion of the pump body 32 is adapted to the narrowed portion 12b of the storage chamber 12, and the lower end portion of the pump body 32 inserted into the storage chamber 12 in this manner has a short suction pipe. 32a is opened downward.

A piston rod 32b projects from an upper portion of the pump body 32. The piston rod 32b is connected to an operating portion 34 having a flange 34a projecting from a lower end thereof, and is operated up and down via the operating portion 34. To get. The operating portion 34 has a tubular portion 34b formed below the collar 34a, and the tubular portion 34b can be pushed into a guide tube 31b formed in the upper portion of the case 31. A not-shown chemical solution pouring hole penetrates the piston rod 32b in its axial direction, and the tip of the piston rod 32b is assumed to open to the tip of the operating portion 34 via the spray tip 32c. . Further, the pump body 32 has a built-in check valve and a spring.

The pump body 32 has a collar 34a of the operating portion 34.
When the piston rod 32b is pushed down in the direction of arrow K in FIG. 1 and the spring is returned to the state shown in FIG. 1, the inside of the storage chamber 12 is pulled in via the suction pipe 32a. It is possible to suck the drug solution L. Further, when the piston rod 32b is pushed down in the direction of arrow K in FIG. 1, the sucked chemical liquid L can be ejected in a spray form from the spray tip 32c at the tip of the operation portion 34. The operation portion 34 can be pushed down until the lower end of the tubular portion 34b contacts the bottom portion of the guide tube 31b of the case 31 (two-dot chain line in FIG. 1).

When the operating portion 34 is repeatedly operated in this manner, the chemical liquid L in the storage chamber 12 is gradually consumed and the residual amount thereof is reduced, but at this time, the storage chamber 12 is crushed by the atmospheric pressure. Therefore, the liquid level of the chemical liquid L can be maintained at a sufficiently high level at all times, and finally, until the storage chamber 12 is almost completely collapsed and the residual amount of the chemical liquid L becomes extremely small.
Can be used up. At this time, since the check valve is built in the pump body 32, the pump body 3
There is no possibility that outside air will enter the storage chamber 12 through

In the above description, the air circulation hole 22a
Is for introducing outside air into the outer cylinder 20 and crushing the storage chamber 12 by atmospheric pressure. Therefore, the air circulation hole 22a may be provided not only in the bottom portion 22 of the outer cylinder 20 but also in any other place including the container body 10, and its size, shape, etc. may be arbitrarily determined. Is.

[0023]

[Other Embodiments] The storage chamber 12 can be formed as a flat flexible bag-shaped container separately from the container body 10 (FIGS. 2 and 3).

The container body 10 has a neck portion 14 and a mouth portion 11
Continuously formed below the storage chamber 12 and the neck portion 14
On the other hand, it shall be attached airtightly by heat sealing or the like. Since the flat bag-shaped storage chamber 12 can be crushed into a substantially flat shape, the amount of residual chemical liquid can be further reduced.

Further, the bag-shaped storage chamber 12 can be attached to the neck portion 14 of the container body 10 via the connection adapter 15 (FIG. 4). On the outer periphery of the neck portion 14, an annular engagement protrusion 14a for fitting and fixing the connecting adapter 15 is formed.
It is assumed that the neck portion 14 is airtightly mounted after being assembled in advance with the storage chamber 12 in an airtight manner by heat sealing or the like. The neck 14 and the connecting adapter 15 may be joined together with an appropriate adhesive or the like, if necessary.

The storage chamber 12 may be a bellows integrally formed with the container body 10 instead of being formed into a bag shape (FIG. 5).

The storage chamber 12 made of bellows has a bottom portion 12
By contracting a so that it comes close to the upper narrowed portion 12b, it is possible to easily use up almost the entire amount of the chemical liquid inside.

At this time, the container body 10 has the mouth portion 1
1. A neck portion 14 is continuously formed below the neck portion 1.
The throttle portion 12b and the storage chamber 12 are formed so as to be continuous with No. 4. Further, the container body 10 has a neck portion 14
And the skirt-shaped mounting portion 13 between the reinforcing ribs 13a, 1
3a is formed, and an annular collar 13b for positioning is formed on the outer periphery of the intermediate portion of the mounting portion 13, and further,
An annular protrusion 13c is also formed on the outer periphery of the lower end. The protrusion 13 c is an engaging groove 2 formed on the inner surface of the upper portion of the main body 21 when the mounting portion 13 is inserted into the main body 21 of the outer cylinder 20.
1a can be engaged, and at this time, the collar 13b contacts the upper end edge of the outer cylinder 20 and regulates the insertion depth of the mounting portion 13. The outer diameter of the collar 13b is set to match the outer diameter of the outer cylinder 20. Also, the reinforcing ribs 13a, 13a
5, regardless of FIG. 5, an arbitrary number of pieces can be radially formed around the neck portion 14.

Further, the storage chamber 12 made of bellows is
It may be separated from the container body 10 (FIG. 6). That is,
The storage chamber 12 can be airtightly attached to the lower end portion of the neck portion 14 of the container main body, for example, via the engagement protrusion 14a. At this time, the narrowed portion 12b is the neck portion 14
Formed on the side.

In each of the above embodiments, the spray pump 30
Can be covered by a removable hood 40 (FIG. 7). For example, the hood 40 is the container body 1 of FIG.
An annular protrusion 13d is formed on the upper end of the mounting portion 13 of 0,
By forming an annular engagement groove 40a on the inner surface of the lower end of the hood 40 and engaging the protrusion 13d with the engagement groove 40a, the hood 40 can be detachably attached to the container body 10. The same applies to the other examples.

In the above description, since the outer cylinder 20 protects the storage chamber 12, as long as it can store the predetermined amount of the chemical liquid L and can store the expanded storage chamber 12 inside, the outer shape of the outer cylinder 20 can be stored. Can have any shape other than the bottomed cylindrical shape.

The suction pipe 32a to be inserted into the storage chamber 12 is generally very short. Spray pump 3
0 is because when used, the liquid in the storage chamber 12 is discharged by repeatedly operating it and crushing the storage chamber 12, whereby the liquid surface of the chemical liquid L can be sufficiently raised. The suction pipe 32a is connected to the pump body 3
It may be formed integrally with 2.

[0033]

As described above, according to the present invention, by making the storage chamber for storing the chemical liquid sealed and flexible, the storage chamber is crushed by the atmospheric pressure as the chemical liquid is consumed. Therefore, there is no possibility that the outside air will enter the storage chamber and contaminate the drug solution, and finally,
There is an excellent effect that the drug solution can be used up effectively until the residual drug solution amount becomes extremely small.

[Brief description of drawings]

[Figure 1] Overall configuration diagram

FIG. 2 is a configuration diagram of main parts showing another embodiment.

FIG. 3 is a sectional view taken along line XX of FIG.

FIG. 4 is a configuration diagram of main parts showing another embodiment.

FIG. 5 is a view corresponding to FIG. 2 showing another embodiment.

FIG. 6 is a view corresponding to FIG. 4 showing another embodiment.

FIG. 7 is an overall view showing another embodiment.

[Explanation of symbols]

 L ... Chemical solution 10 ... Container main body 12 ... Storage chamber 15 ... Connection adapter 20 ... External cylinder 22a ... Air circulation hole 30 ... Spray pump

Claims (6)

[Claims] 1. A container main body having a flexible storage chamber for storing a liquid medicine in a lower portion, an outer cylinder connected to the container main body to protect the storage chamber, and a spray pump attached to the container main body. The storage chamber is sealed by mounting the spray pump, and an air circulation hole is provided in the outer cylinder. 2. The chemical liquid spray container according to claim 1, wherein the storage chamber is a bag-shaped container integrally formed with the container body. 3. The chemical liquid spray container according to claim 1, wherein the storage chamber is a bag-shaped container that is separate from the container body, and is hermetically attached to the container body. 4. The chemical solution spray container according to claim 3, wherein the first-stage storage chamber is attached to the container body via a connection adapter. 5. The chemical spray container according to claim 1, wherein the storage chamber is a bellows integrally formed with the container body. 6. The chemical solution spray container according to claim 1, wherein the storage chamber is a bellows that is a separate body from the container body, and is attached to the container body in an airtight manner.