JP2023051875A - Eyedropper - Google Patents

Abstract

To provide an eyedropper capable of enhancing accuracy of instillation.SOLUTION: An eyedropper comprises a container body having a mouth and capable of storing a chemical solution, and a nozzle attached to the mouth. The nozzle includes: a nozzle body having a passage through which the chemical solution passes, and a discharge port from which the chemical solution passing through the passage is discharged; and a flange protruding from the nozzle body. The flange has a flange recess recessed from an inner hull to an outer hull. The nozzle body has a mark to be inserted into the flange recess. Of the flange part, at least the portion surrounding the mark has a different color from that of the mark part.SELECTED DRAWING: Figure 2

Description

The present invention relates to eye drop containers.

Eye drop containers configured to increase accuracy of eye drops by a user are known. Patent Literature 1 discloses an example of such an eyedropper. This eye drop container has a mouth portion, and includes a container body containing a liquid medicine and a nozzle attached to the mouth portion. The nozzle includes a nozzle body having a passage through which the chemical solution passes, an ejection port through which the chemical solution that has passed through the passage is ejected, and a flange projecting from the nozzle body. A plurality of marks are displayed on the collar. By directing the tip of the nozzle toward the eye so that all of the plurality of marks can be seen, a condition is created in which the outlet is positioned directly above the eye. Therefore, the accuracy of instillation is enhanced.

JP 2013-5947 A

In the case of the eye drop container, for example, when the user's hand comes into contact with the brim, the hand and the mark displayed on the brim may rub against each other and the mark may disappear. In such cases, the accuracy of instillation may decrease.

SUMMARY OF THE INVENTION An object of the present invention is to provide an eye drop container that enhances the accuracy of eye drops.

An eye drop container according to a first aspect of the present invention includes a container body having a mouth portion and capable of containing a medical solution, and a nozzle attached to the mouth portion, wherein the nozzle is a passage through which the medical solution passes. and a nozzle body having a discharge port for discharging the chemical solution that has passed through the passage, and a flange projecting from the nozzle body, wherein the flange is a concave flange recessed from the inner shell toward the outer shell. and the nozzle body has a mark portion inserted into the concave portion of the flange, and the color of at least the periphery of the mark portion of the flange portion is different from the color of the mark portion.

According to the above-described eyedrop container, since the mark portion that serves as a mark when instilling the eye is a structure, the mark portion does not disappear even when the user's hand rubs against the mark portion, for example. Further, the mark portion has a shape to be inserted into a concave portion formed in the flange portion projecting from the nozzle main body, and thus has a shape that protrudes toward the concave portion. Therefore, the mark portion functions as a mark that can be visually recognized by the user only when the ejection port at the tip of the nozzle faces directly downward. When instilling the eye, the user holds the eye drop container above the eye so that the entire collar can be visually recognized. According to the above-mentioned eyedrop container, since the color of the collar portion and the color of the mark portion are different, the visibility is enhanced. Therefore, the user can determine whether or not the entire flange faces downward, in other words, whether or not the discharge port at the tip of the nozzle faces directly downward, depending on whether or not the entire mark can be visually recognized. can be easily verified. As described above, according to the eye drop container, it is possible to suppress the occurrence of dripping due to oblique eye drop, thereby improving the accuracy of eye drop.

An eye drop container according to a second aspect of the present invention is the eye drop container according to the first aspect, wherein the nozzle main body has a plurality of nozzle recesses recessed from the outer shell toward the inner shell, and the mark portion is the It is formed between a plurality of nozzle recesses.
According to the eye drop container, since the diameter of the nozzle body can be reduced, a wide range of the collar can be colored while suppressing an increase in the area of the collar. Therefore, the visibility of the collar portion and the mark portion is enhanced. The number of nozzle recesses can be arbitrarily selected as long as it is two or more, and six, for example, can be formed. The number of markings preferably matches the number of nozzle recesses.

An eye drop container according to a third aspect of the present invention is the eye drop container according to the first aspect or the second aspect, wherein the mark portion protrudes outward toward the bottom of the nozzle body.

According to the above-described eye drop container, when the user moves the eye drop container onto the eye so that the user can visually recognize the entire mark portion, the lower end of the mark portion can be easily visually recognized. Therefore, the visibility of the mark portion is enhanced.

An eye drop container according to a fourth aspect of the present invention is the eye drop container according to any one of the first to third aspects, wherein the nozzle body includes a base portion to be inserted into the mouth portion, and the mark portion. and a connecting portion connecting the base portion and the tapered portion and having a smaller diameter than the base portion and the tapered portion, wherein the collar protrudes from the connecting portion. .

According to the eye drop container, since part of the collar is sandwiched between the base and the tip, even if an external force acts on the collar, the position of the collar in the height direction of the nozzle body is not displaced. unlikely to occur. Moreover, it is preferable that the nozzle main body and the collar portion can be molded so as to be inseparable.

An eye drop container according to a fifth aspect of the present invention is the eye drop container according to any one of the first to fourth aspects, wherein the surface of the mark portion is not colored or is colored white. ing.

According to the eye drop container, the color of the collar may be different from the color of the surface of the nozzle body or the mark, so the degree of freedom in selecting the color of the collar is enhanced. Although not particularly limited, the color with which the collar is colored is preferably blue. The color with which the collar is colored may be blue, green, purple, or orange. Also, the color of the collar portion may be different depending on the usage and volume of the liquid medicine contained in the containing portion.

An eye drop container according to a sixth aspect of the present invention is the eye drop container according to any one of the first to fifth aspects, wherein rotation of one of the nozzle main body and the collar is restricted with respect to the other. have a part.

According to the eye drop container, even if the joint state between the nozzle body and the collar is not good, the rotation restricting portion restricts one of the nozzle body and the collar from rotating with respect to the other.

An eyedrops container according to a seventh aspect of the present invention includes a container body having a mouth portion and capable of containing a drug solution;
a nozzle attached to the mouth, wherein the nozzle includes a nozzle body having a passage through which the chemical solution passes and an ejection port through which the chemical solution that has passed through the passage is ejected; a collar portion, the color of the collar portion being different from the color of the nozzle body, and having a rotation restricting portion that restricts rotation of one of the nozzle body and the collar portion with respect to the other.

According to the eye drop container, even if the joint state between the nozzle body and the collar is not good, the rotation restricting portion restricts one of the nozzle body and the collar from rotating with respect to the other.

According to the eye drop container of the present invention, the accuracy of eye drops is enhanced.

The front view of the eyedrops container of embodiment. 2 is a perspective view of the nozzle of FIG. 1; FIG. 3 is an exploded perspective view of the nozzle of FIG. 2; FIG. FIG. 3 is a cross-sectional view taken along line D4-D4 in FIG. 2; 3 is a plan view of the nozzle of FIG. 2; FIG. The partial front view of the nozzle with which the eyedrops container of a modification is provided. FIG. 10 is a partial front view of a nozzle included in another modified eye drop container; FIG. 10 is a partial front view of a nozzle provided in an eye drop container of still another modified example; FIG. 10 is a partial front view of a nozzle provided in an eye drop container of still another modified example; FIG. 10 is a central sectional view of FIG. 9;

An eye drop container according to an embodiment of the present invention will be described below with reference to the drawings.

<1. Overall Configuration of Eyedrop Container>
FIG. 1 is a front view of an eyedrops container 10 of this embodiment. The eyedrops container 10 has a container body 20 and a nozzle 30 . When the eye drop container 10 is not used, it is stored with a cap (not shown) attached to the container body 20 so as to cover the nozzle 30 .

<2. Configuration of container body>
The container main body 20 includes a storage portion 21 having a storage space 21A for storing the drug solution 100 (ophthalmic solution), and a mouth portion 22 connected to the storage portion 21 . The container body 20 has, for example, a housing portion 21 and a mouth portion 22 that are integrally formed. The material forming the container main body 20 is made of a resin material having elasticity so that it can be deformed when pressed inward by a user's finger. Preferable resin materials constituting the container body 20 are, for example, polyethylene (high density, low density, etc.), polypropylene (including propylene-ethylene copolymer), polyethylene terephthalate, polybutylene terephthalate, thermoplastic elastomer (styrene-based, etc.). , cyclic olefins, or ethylene-vinyl alcohol copolymers. A more preferable resin material for the container body 20 is polyethylene terephthalate, polyethylene (high density, low density, etc.), polypropylene (including propylene-ethylene copolymer), or thermoplastic elastomer (styrene system, etc.).

The shape of the containing portion 21 can be arbitrarily selected as long as the shape can contain the liquid medicine 100 . In this embodiment, the housing portion 21 has a trapezoidal hollow shape when viewed from the front and from the rear.

A nozzle 30 is attached to the mouth 22 . The shape of the mouth portion 22 can be arbitrarily selected as long as the shape allows the nozzle 30 to be attached. In this embodiment, the mouth portion 22 is cylindrical with an opening 22A at one end. The outer diameter of mouth portion 22 is smaller than the minimum width of accommodating portion 21 . An outer peripheral surface of the mouth portion 22 is formed with a male thread 22B that meshes with the female thread of the cap.
<3. Configuration of Nozzle>

The nozzle 30 ejects a certain amount of the liquid medicine 100 toward the user's eyes from the ejection port 41A at the tip when the housing portion 21 is pressed inward by the user. When the ejection port 41A of the nozzle 30 and the user's eyes face each other with the user's face facing upward, the medical solution 100 is accurately instilled into the user's eyes. On the other hand, when the ejection port 41A of the nozzle 30 is tilted with respect to the user's eyes while the user's face is facing upward, the liquid medicine 100 ejected from the ejection port 41A cannot be applied to the user's eyes accurately. , so-called dripping may occur. In the eye drop container 10 of the present embodiment, the nozzle 30 is devised so as to improve the accuracy of eye drops by suppressing the occurrence of dripping.

FIG. 2 is a perspective view of the nozzle 30. FIG. FIG. 3 is an exploded perspective view of the nozzle 30. FIG. FIG. 4 is a cross-sectional view along line D4-D4 in FIG. FIG. 5 is a plan view of the nozzle 30. FIG. The material forming the nozzle 30 can be selected arbitrarily. In this embodiment, the nozzle 30 is constructed from low density polyethylene. Preferred materials for forming the nozzle 30 are polyethylene (high density, low density, etc.), polypropylene (including propylene-ethylene copolymer), They are polyethylene terephthalate, polybutylene terephthalate, thermoplastic elastomers (styrene etc.), cyclic olefins, or ethylene/vinyl alcohol copolymers. More preferred materials for constructing nozzle 30 are polybutylene terephthalate, polyethylene (high density, low density, etc.), or polypropylene (including propylene-ethylene copolymers). A particularly preferred material for constructing nozzle 30 is low density polyethylene.

The nozzle 30 has a nozzle body 40 and a collar portion 80 . In this embodiment, the nozzle 30 is manufactured by injection molding the collar portion 80 onto the nozzle body 40 inserted into a mold. The nozzle 30 may be manufactured by two-color molding of the nozzle body 40 and the collar portion 80 . The nozzle 30 may be manufactured by using a 3D printer to manufacture the nozzle body 40 and the collar portion 80, or may be manufactured by another method. In another example, the nozzle body 40 and the collar portion 80 may be configured separately and joined together. In this embodiment and another example, the nozzle body 40 and the collar portion 80 cannot be separated. A passage 41 (see FIG. 4) through which the liquid medicine 100 passes is formed inside the nozzle body 40 . A discharge port 41A is formed at one end of the passage 41 to discharge the liquid medicine 100 to the user's eyes. At the other end of the passage 41, an inlet 41B is formed through which the chemical solution 100 flowing in the passage 41 passes.

<3-1. Configuration of Nozzle Body>
As shown in FIG. 3, the nozzle body 40 is segmented into a base portion 50, a tapered portion 60, and a connecting portion 70. As shown in FIG. The base 50 is generally entirely inserted into the mouth 22 (see FIG. 1) of the container body 20 . The base 50 is, for example, cylindrical. An airtight ring 51 is formed on the surface of the base portion 50 to contact the inner peripheral surface of the mouth portion 22 . The surface of the base portion 50 may be formed with a male thread or a female thread that meshes with the female thread or male thread formed on the inner peripheral surface of the mouth portion 22 .

The tapered portion 60 is shaped like a cone that tapers away from the base 50 . A discharge port 41A is formed at the tip of the tapered portion 60 . The tapered portion 60 has a nozzle recess 61 recessed from the outer shell toward the inner shell. The nozzle recess 61 is formed in the height direction of the nozzle body 40 from the approximate center of the tapered portion 60 to the end opposite to the ejection port 41A. The number of nozzle recesses 61 formed in the tapered portion 60 can be arbitrarily selected as long as it is two or more. In this embodiment, as shown in FIG. 5, the tapered portion 60 has six nozzle recesses 61 . The six nozzle recesses 61 are formed at regular intervals along the circumferential direction of the tapered portion 60 .

Between the nozzle recesses 61 that are adjacent in the circumferential direction of the tapered portion 60 of the six nozzle recesses 61, a mark portion 62 that serves as a mark for the user when instilling the eye is formed. The mark portion 62 functions as a mark that can be visually recognized by the user only when the ejection port 41A at the tip of the nozzle 30 faces directly downward. The mark portion 62 can be arbitrarily selected as long as it has a shape to be inserted into the flange recess 81 formed in the flange portion 80 . In this embodiment, the mark portion 62 protrudes radially outward of the tapered portion 60 from the nozzle recess portion 61 . The number of markings 62 on tapered portion 60 matches the number of nozzle recesses 61 . In this embodiment, tapered portion 60 has six markings 62 . In the present embodiment, the depth of the nozzle concave portion 61 increases from the discharge port 41A toward the connecting portion 70, in other words, toward the bottom of the nozzle body 40. As shown in FIG. Therefore, the mark portion 62 protrudes outward in the radial direction of the tapered portion 60 toward the bottom of the nozzle body 40 .

The color of the mark portion 62 can be arbitrarily selected as long as it is different from the color of the surrounding portion of the mark portion 62 in the collar portion 80 . In this embodiment, the color of the mark portion 62 is white, which is the color of the resin material forming the nozzle body 40 . That is, in this embodiment, the surface of the mark portion 62 is not colored. The color of the resin material forming the nozzle body 40 may be a color other than white. Even if the surface of the mark portion 62 is not colored, the case where the mark portion 62 develops the color of the resin material forming the nozzle body 40 corresponds to the case where the mark portion 62 is colored. The surface of the marking portion 62 may be colored white or another color, for example.

The connecting portion 70 connects the base portion 50 and the tapered portion 60 . The connecting portion 70 has a shape similar to a cylinder. The connecting portion 70 has a smaller diameter than the base portion 50 and the tapered portion 60 . A collar portion 80 is arranged around the connecting portion 70 .

<3-2. Structure of the flange>
The collar portion 80 protrudes radially outward from the outer peripheral surface of the connecting portion 70 beyond the base portion 50 and the tapered portion 60 . A portion of the collar portion 80 is sandwiched between the upper surface of the base portion 50 and the lower surface of the tapered portion 60 . The flange 80 has a disk-like shape with a hole 80A formed in the center. The collar portion 80 has a collar concave portion 81 that is recessed from the inner shell toward the outer shell. A predetermined portion including the lower end portion of the mark portion 62 is inserted into the flange concave portion 81 . The number of flange recesses 81 formed in the flange portion 80 is the same as the number of the mark portions 62 . That is, in this embodiment, six flange recesses 81 are formed in the flange portion 80 . An outer peripheral recessed portion 82 is formed on the outer periphery of the collar portion 80 so as to be recessed from the outer shell toward the inner shell. The outer peripheral recessed portion 82 is formed in a portion where a nozzle for injecting a resin material into a mold when injection molding the collar portion 80 with respect to the inserted nozzle body 40 is positioned.

In plan view, the color of at least the area around the mark portion 62 in the collar portion 80 is different from the color of the mark portion 62 . In this embodiment, the entire surface of the collar portion 80 is colored with a color different from that of the mark portion 62 . In this embodiment, the color with which the collar part 80 is colored is blue. The color with which the collar portion 80 is colored may be green, purple, or orange. Moreover, the color of the collar portion 80 may be different depending on the usage and volume of the liquid medicine 100 stored in the storage portion 21 .

<4. Dimensions of nozzle in plan view>
Preferred dimensions of the nozzle 30 in plan view will be described with reference to FIG.
It is preferable that the maximum outer diameter LA of the collar portion 80 in plan view is determined based on the relationship between suppression of the increase in size of the nozzle 30 and ease of visual recognition by the user. The maximum outer diameter LA is, for example, the outer diameter of a portion of the collar portion 80 other than the portion where the outer peripheral recessed portion 82 is formed. An example of the maximum value of the maximum outer diameter LA is 15 mm. When the maximum outer diameter LA is 15 mm or less, the size of the nozzle 30 is suppressed, so a cap and container body 20 of general size can be used. An example of the minimum value of the maximum outer diameter LA is 6 mm. When the maximum outer diameter LA is 6 mm or more, the area of the collar portion 80 is large. is easy to see. A preferable range of the maximum outer diameter LA is 6 mm or more and 15 mm or less. A more preferable range of the maximum outer diameter LA is 8 mm or more and 13 mm or less. A particularly preferred maximum outer diameter LA is 10 mm.

The minimum outer diameter LB of the nozzle body 40 is preferably determined based on the relationship between the area of the collar portion 80 and the strength of the nozzle body 40 in plan view. The minimum outer diameter LB is, for example, the length between two nozzle recesses 61 of the nozzle body 40 that face each other via the discharge port 41A in plan view. An example of the maximum value of the minimum outer diameter LB is 6 mm. When the minimum outer diameter LB is 6 mm or less, the area of the collar portion 80 in plan view is large. It is easy to visually recognize the part 80 . An example of the minimum value of the minimum outer diameter LB is 3 mm. When the minimum outer diameter LB is 3 mm or more, the strength of the nozzle body 40 is high. A preferable range of the minimum outer diameter LB is 3 mm or more and 6 mm or less. A more preferable range of the minimum outer diameter LB is 4 mm or more and 6 mm or less. A particularly preferred minimum outer diameter LB is 6 mm.

It is preferable that the maximum outer diameter LC of the nozzle body 40 in a plan view is determined based on the relationship between suppression of the size increase of the nozzle 30 and ease of visual recognition by the user. The maximum outer diameter LC is, for example, the length between two marking portions 62 of the nozzle body 40 that face each other via the ejection port 41A in plan view. An example of the maximum value of the maximum outer diameter LC is 8 mm. When the maximum outer diameter LC is 8 mm or less, the size of the nozzle 30 is suppressed, so a cap and container body 20 of general size can be used. An example of the minimum value of the maximum outer diameter LC is 4 mm. When the maximum outer diameter LC is 4 mm or more, the user can easily visually recognize the mark portion 62 when instilling the eye. A preferable range of the maximum outer diameter LC is 4 mm or more and 8 mm or less. A more preferable range of the maximum outer diameter LC is 6 mm or more and 8 mm or less. A particularly preferred maximum outer diameter LC is 8 mm.

<5. Action of Eye Drop Container>
The user can confirm that the discharge port 41A at the tip of the nozzle 30 is directed downward by holding the eyedropper container 10 above the eyes so that the entire mark portion 62 and the collar portion 80 can be visually recognized. In this state, the user presses the containing portion 21 of the container body 20 inward, so that a constant amount of the liquid medicine 100 is discharged from the discharge port 41A.

<6. Effect of Eye Drop Container>
According to the eyedrops container 10 of this embodiment, the following effects are obtained.

<6-1>
Since the eye drop container 10 has the mark portion 62 that serves as a mark for eye drops, the mark portion 62 does not disappear even when the user's hand rubs against the mark portion 62, for example. When instilling the eye, the user holds the eye drop container 10 above the eye so that the entire collar portion 80 can be visually recognized. According to the eyedrop container 10, since the color of the collar portion 80 and the color of the mark portion 62 are different, the visibility is enhanced. Therefore, depending on whether or not the user can visually recognize the entire mark portion 62, the user can determine whether or not the entire collar portion 80 is directed downward. You can easily check if there is As described above, according to the eyedropper container 10, it is possible to suppress the occurrence of dripping due to oblique eyedropping, so that the accuracy of eyedropping is enhanced.

<6-2>
Since the mark portion 62 is formed between the plurality of nozzle recesses 61, the diameter of the nozzle body 40 can be reduced. A wide range of the surface of the collar portion 80 can be colored while suppressing an increase in the area of the collar portion 80 . Therefore, the visibility of the mark portion 62 is enhanced.

<6-3>
Since the mark portion 62 protrudes outward toward the lower portion of the nozzle body 40, the mark portion 62 can be viewed by the user when the eye drop container 10 is moved over the eye. The lower end of portion 62 is easily visible. Therefore, the visibility of the mark portion 62 is enhanced.

<6-4>
Since a portion of the collar portion 80 is sandwiched between the base portion 50 and the tapered portion 60 , even when an external force acts on the collar portion 80 , the position of the collar portion 80 in the height direction of the nozzle body 40 is displaced. Hateful.

<6-5>
Since the color of the mark portion 62 is white, which is the color of the resin material forming the nozzle body, the degree of freedom in selecting the color of the collar portion 80 is enhanced.

<7. Variation>
The above-described embodiments are examples of forms that the eye drop container of the present invention can take, and are not intended to limit the forms. The eye dropper according to the invention can take a form different from the form illustrated in the embodiment. One example is a form in which part of the configuration of the embodiment is replaced, changed, or omitted, or a form in which a new configuration is added to the embodiment. Some examples of modifications of the embodiment are shown below. The following modifications can also be combined unless technically contradictory.

<7-1>
In the above embodiment, the shape of the nozzle 30 can be changed arbitrarily. For example, as shown in FIG. 6 , the nozzle 30 may include an annular portion 90 connected to the collar portion 80 in the height direction of the nozzle body 40 . The color for coloring the annular portion 90 may be the same color as the color of the collar portion 80, or may be a different color. In the example shown in FIG. 6, the color used to color the annular portion 90 is the same color as the color of the collar portion 80 .

Also, at least a portion of the tapered portion 60 may be colored the same color as the collar portion 80, as shown in FIGS. In the example shown in FIG. 7 , substantially the entire marking portion 62 is colored in the same color as the collar portion 80 . In the example shown in FIG. 8 , approximately half of the mark portion 62 is colored in the same color as the collar portion 80 in the height direction of the nozzle body 40 .

<7-2>
In the above embodiment, as shown in FIGS. 9 and 10, the nozzle 30 may have a rotation restricting portion 110 that restricts rotation of one of the nozzle body 40 and the collar portion 80 with respect to the other. The rotation restricting portion 110 includes a flange wall portion 111 extending downward from the flange portion 80 and a body wall portion 112 formed on the nozzle body 40 .

The flange wall portion 111 is formed inside the nozzle body 40 . When the nozzle body 40 is made of a transparent or translucent material, the flange wall portion 111 is visible from the outside of the nozzle body 40 . The collar wall portion 111 extends downward from the lower surface of the collar portion 80 . The length of the flange wall portion 111 from the lower surface of the flange portion 80 is such that the flange wall portion 111 and the main body wall portion 112 can come into contact with each other to the extent that the rotation of one of the nozzle body 40 and the flange portion 80 with respect to the other is restricted. If so, it can be selected arbitrarily. The flange wall portions 111 are formed at predetermined intervals along the circumferential direction of the flange portion 80 . The number of flange wall portions 111 can be arbitrarily selected. In this modification, the number of flange wall portions 111 formed in the flange portion 80 is six. In this modification, the flange wall portions 111 are formed at regular intervals along the circumferential direction of the flange portion 80 . When the nozzle 30 has three or more collar wall portions 111, the intervals between adjacent collar wall portions 111 in the circumferential direction of the collar portion 80 may be different.

The body wall portion 112 is formed between the flange wall portions 111 adjacent in the circumferential direction. The flange wall portion 111 and the body wall portion 112 that are adjacent in the circumferential direction are in contact with each other. Therefore, rotation of one of the nozzle body 40 and the collar portion 80 with respect to the other is restricted.

<7-3>
In the above embodiment, the mark portion 62 is formed between adjacent nozzle recesses 61 in the circumferential direction of the tapered portion 60, but the specific configuration of the mark portion 62 is not limited to this. For example, in the eye drop container 10 of the modified example, the nozzle concave portion 61 may be omitted. In the eye drop container 10 of this modified example, the mark portion 62 is configured as a protrusion protruding from the surface of the tapered portion 60 .

<7-4>
In the above-described embodiment, the surface of the collar portion 80 is colored in a different color from that of the mark portion 62. The surface of the collar portion 80 may not be colored.

<7-5>
In the above-described embodiment, the mark portion 62 projects outward toward the bottom of the nozzle body 40 . However, the mark portion 62 may protrude outward toward the top of the nozzle body 40 , and the protrusion amount may be constant in the height direction of the nozzle body 40 .

<7-6>
In the above-described embodiment, the outer circumference recessed portion 82 that is recessed from the outer shell toward the inner shell is formed on the outer periphery of the collar portion 80, but the outer peripheral recessed portion 82 may be omitted. Also, depending on the position of the nozzle that injects the resin material into the mold when the flange 80 is injection molded with respect to the inserted nozzle body 40 , a concave portion may be formed on the surface of the flange 80 .

10: eye drop container 20: container body 22: mouth portion 30: nozzle 40: nozzle body 41: passageway 41A: discharge port 50: base portion 60: tapered portion 61: nozzle recess portion 62: mark portion 70: connecting portion 80: collar portion 81 : Collar concave portion 100: Chemical solution 110: Rotation restricting portion

Claims (7)

a container body having a mouth portion and capable of containing a liquid medicine;
a nozzle attached to the mouth,
The nozzle is
a nozzle body having a passage through which the chemical passes and a discharge port through which the chemical passed through the passage is discharged;
and a flange projecting from the nozzle body,
The collar portion has a concave collar portion recessed from the inner shell toward the outer shell,
The nozzle body has a mark portion that is inserted into the concave portion of the flange,
At least the color of the periphery of the mark portion of the collar portion is different from the color of the mark portion. The nozzle body has a plurality of nozzle recesses recessed from the outer shell toward the inner shell,
The eye drop container according to claim 1, wherein the mark portion is formed between the plurality of nozzle concave portions. The eye drop container according to claim 1 or 2, wherein the mark portion protrudes outward toward the bottom of the nozzle body. The nozzle body is
a base inserted into the mouth;
a tapered portion on which the marking portion is formed;
a connecting portion that connects the base portion and the tapered portion and has a smaller diameter than the base portion and the tapered portion;
The eye drop container according to claim 1 or 2, wherein the collar portion protrudes from the connecting portion. The eye drop container according to claim 1 or 2, wherein the surface of the marking portion is uncolored or colored white. The eye drop container according to claim 1 or 2, further comprising a rotation restricting portion that restricts rotation of one of the nozzle body and the flange with respect to the other. a container body having a mouth portion and capable of containing a liquid medicine;
a nozzle attached to the mouth,
The nozzle is
a nozzle body having a passage through which the chemical passes and a discharge port through which the chemical passed through the passage is discharged;
and a flange projecting from the nozzle body,
The color of the collar is different from the color of the nozzle body,
An eye drop container having a rotation restricting portion that restricts rotation of one of the nozzle body and the brim with respect to the other.

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