JP7043136B2 - Dosing container nozzle and dosing container - Google Patents

Description

The present invention relates to a nozzle for a dosing container and a dosing container.

For patients who cannot get nutrition from the mouth due to dysphagia or the like, tube feeding methods such as nasogastric tube, gastrostomy, and intestinal fistula are performed. In such a tube feeding method, a nutritional supplement is put in a bottle or a bag (hereinafter referred to as a “medication container”) and injected into the stomach or intestine via a tube. The dosing container is provided with a nozzle at the discharge portion, and a tube is connected to the nozzle.

In recent years, in the field of enteral nutrition, the application of a screw-in type connector specified in the international standard ISO (IEC) 80369-3 is planned as an interconnection prevention connector.

Conventionally, various proposals have been made as a structure of a nozzle for a dosing container. For example, Patent Document 1 describes a catheter connection structure in which a partition wall is provided on the nozzle of a container and the connecting needle breaks the partition wall in the process of screwing a catheter provided with a connecting needle at the tip into the nozzle. In this structure, since it is necessary to provide a connecting needle to the male connector, it cannot be applied to the ISO80369-3 connector.

Further, Patent Document 2-4 knows a technique of breaking a sealing material provided at the mouth of a container by screwing a cap, but even if this is applied to the connector of ISO80369-3, a male connector or a male connector or Since the female connector needs to be processed, it cannot be applied to the nozzle for medication containers.

Further, in Patent Document 5, the medication container is provided with a storage portion and a discharge portion including a nozzle, and further includes a closing portion for closing the boundary portion between the storage portion and the discharge portion, and the storage portion stores medicines and liquids. Described is a dosing container capable of disintegrating and suspending a drug, applying force to the containment to open the closure, and allowing a mixture of the drug and liquid in the containment to flow out into a tube through a nozzle in the discharge section. ing. Although it is possible to attach the ISO80369-3 connector to the discharge part of the dosing container, two operations of connecting the connector and releasing the closed part are required, and it is easy to replenish the contents. is not it.

Japanese Unexamined Patent Publication No. 2002-210023 Japanese Unexamined Patent Publication No. 2001-278322 Japanese Unexamined Patent Publication No. 7-112749 Utility Model Registration No. 2602651 Japanese Patent No. 5873483

The present invention has been made in view of such conventional problems, and an ISO 80369-3 screw-in type connector can be applied, can be easily opened, and the contents can be smoothly discharged. An object of the present invention is to provide a nozzle for a dosing container and a dosing container.

As a means for solving the above-mentioned problems, the nozzle for a dosing container of the present invention is used.
In a nozzle for a medication container attached to the discharge portion of a medication container having an inlet portion and a discharge portion,
A base that has a through hole that communicates with the inside of the dosing container and is attached to the discharge portion.
It is provided with a female connector integrally formed with the base portion, having a cylindrical shape communicating with a through hole of the base portion, and having a male screw formed on the outer peripheral surface.
A seal is provided between the inside of the dosing container and the through hole at the base.
A slide member is provided between the seal portion and the female connector.
When a male connector including a cylindrical portion inserted into the female connector and an outer cylinder portion having a female screw screwed to the male screw is attached to the female connector, the slide member moves and the slide member moves. It is configured to release the seal.

When the medicine and liquid are stored in the medication container with the seal closed, and the male connector is attached to the female connector, the slide member moves, the seal is released, and the mixture of medicine and liquid in the medicine container is released. It drains along the slide member, passes through the female and male connectors, and is injected into the stomach and intestines via the tube.

The slide member has a valve portion that can be attached to and detached from the base portion.
The seal portion is formed between the valve portion and the base portion, and is formed.
The slide member is configured to separate the valve portion from the base portion and open the seal portion.

The seal portion is preferably formed by an outer peripheral surface of the valve portion of the slide member and an inner surface of an annular protrusion formed on the end surface of the base portion of the nozzle body.

The sealing portion is made of a sheet material adhered to an end face of the base portion facing the inside of the dosing container.

The slide member has a sharp end facing the seal portion, and is configured to penetrate the seal portion by the sharp end.

The slide member is configured to press the seal portion to peel off the adhesion of the seal portion.

It is preferable that a flow path passing through the inside of the slide member is formed from the inflow hole formed on the outer surface of the slide member.

It is preferable that a flow path passing between the inner surface of the base portion and the outer surface of the slide member is formed.

Further, the dosing container of the present invention has an inlet portion and a discharge portion, and the nozzle is attached to the discharge portion.

According to the present invention, simply by attaching the male connector to the female connector, the slide member moves and the seal portion is released, so that the mixture of the drug and the liquid in the dosing container can be used as the slide member with a simple operation. It can flow out smoothly along. Further, since the slide member is moved by the male connector when the male connector is attached, it is not necessary to change the structure of the female connector and the male connector, and the screw-in type connector of ISO80369-3 can be applied. It has the effect of.

A perspective view of a dosing container to which the nozzle of the present invention is attached. Sectional drawing of the nozzle and the male connector which concerns on 1st Embodiment of this invention. The plan view of the nozzle of FIG. FIG. 2 is a perspective view showing a state in which the slide member of the nozzle of FIG. 2 is pulled out. A partially broken front view showing a state in which the slide member of the nozzle of FIG. 2 is pulled out. The side view which shows the state of suspension (a) and the connector connection (b) of the drug by the dosing container to which the nozzle of this invention is attached. FIG. 2 is a cross-sectional view showing a state in which a male connector is attached to the nozzle of FIG. The perspective view which shows the modification of 1st Embodiment. The partially broken front view which shows the other modification of 1st Embodiment. Sectional drawing of the nozzle which concerns on 2nd Embodiment of this invention. Top view of the nozzle of FIG. FIG. 5 is a cross-sectional view showing a state in which a male connector is attached to the nozzle of FIG. Sectional drawing of the nozzle which concerns on 3rd Embodiment of this invention. The plan view of the nozzle of FIG. FIG. 3 is a cross-sectional view showing a state in which a male connector is being attached to the nozzle of FIG. FIG. 3 is a cross-sectional view showing a state in which a male connector is attached to the nozzle of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

<First Embodiment>
FIG. 1 shows a dosing container 1 to which the nozzle 10 of the first embodiment of the present invention is attached. The dosing container 1 is colorless and transparent, translucent or colored transparent, and is made of a soft synthetic resin such as polyethylene. In the dosing container 1, two rectangular sheets 2a and 2b are overlapped with each other, the edges 3 on both sides are adhered to each other, and the nozzle 10 is sandwiched between the discharge portion 5 in the center of the bottom edge portion 4 and the bottom edge thereof. By adhering the portions 4, a storage portion 6 for accommodating a drug and a liquid is formed inside. The upper edge portion 7 of the sheet 2a is provided below the upper edge portion 7 of the sheet 2b and serves as an inlet portion 8. A well-known chuck tape 9 composed of a groove and a ridge is provided on the inside of the inlet portion 8 so that the accommodating portion 6 can be opened and closed. The bottom of the accommodating portion 6 is inclined toward the nozzle 10. Suspension holes 4a are formed on both sides of the bottom edge portion 4 of the dosing container 1, and suspension holes 7a are formed in the center of the upper edge portion 7.

FIG. 2 shows the nozzle 10 of the first embodiment, and the nozzle 10 is composed of a nozzle body 11 and a slide member 12. Both the nozzle body 11 and the slide member 12 are made of a synthetic resin such as polyethylene.

The nozzle body 11 is integrally formed with a base 13 attached to the discharge portion 5 of the medication container 1 and a female connector 14 projecting outward from the medication container 1.

As shown in FIG. 3, the base portion 13 of the nozzle body 11 has a rhombic cross section and opposite obtuse-angled corners formed by an arc. The base 13 is formed with a through hole 15 that communicates with the inside of the female connector 14. The base 13 has an inner end surface 16 facing the accommodating portion 6 of the medication container 1. As shown in FIG. 4, an annular protrusion 17 concentric with the through hole 15 is formed on the inner end surface 16 of the base portion 13. As shown in FIG. 5, the annular protrusion 17 is inclined so that the diameter increases from the base end toward the tip end, and a locking portion 18 projecting inward is formed at the tip end.

As shown in FIG. 2, the female connector 14 of the nozzle body 11 has a cylindrical shape communicating with the through hole of the base 13, and a male screw 14a is formed on the outer peripheral surface. As shown in FIG. 1, a male connector 27 of a tube (hereinafter, simply referred to as “tube”) 26 connected to a nasogastric tube or a catheter for a gastrostomy or an intestinal fistula is screwed and attached to the female connector 14. As shown in FIG. 2, the male connector 27 includes a cylindrical portion 27a inserted into the female connector 14 and an outer cylinder portion 27c formed with a female screw 27b screwed into the male screw 14a of the female connector 14. The female connector 14 and the male connector 27 have the dimensions specified in ISO80369-3.

The slide member 12 has a shaft portion 19 and a valve portion 20 provided at the base end of the shaft portion 19. The shaft portion 19 is slidably inserted into the through hole 15 of the nozzle body 11. The shaft portion 19 is cylindrical and has a length longer than that of the base portion 13 of the nozzle body 11. Therefore, when the shaft portion 19 is inserted into the through hole 15 of the nozzle body 11 and the valve portion 20 comes into contact with the inner end surface 16 of the base portion 13 of the nozzle body 11, the tip of the shaft portion 19 is inside the female connector 14. It is designed to protrude into. The shaft portion 19 has an outer diameter D smaller than the fluid lumen inner diameter d1 of the female connector 14 and larger than the inner diameter d2 of the inner cylinder portion 27a of the male connector 27 so as to abut on the tip of the inner cylinder portion 27a of the male connector 27. It has become.

Two inflow ports 22 are formed at positions facing each other on the base end side of the shaft portion 19. Each of the two inlets 22 has an oval shape and has an opening area equal to or larger than the cross-sectional area inside the shaft portion 19. The positions of the two inlets 22 from the valve portion 20 are such that when the shaft portion 19 is inserted into the through hole 15 of the nozzle body 11 and the valve portion 20 abuts on the inner end surface 16 of the base portion 13 of the nozzle body 11. It is hidden in the base 13 of the nozzle body 11 and is exposed from the base 13 of the nozzle body 11 when the shaft portion 19 is moved to the accommodating portion 6 side of the medication container 1 by attaching the male connector 27 to the female connector 14. It is formed in such a position.

The valve portion 20 of the slide member 12 is circular and is formed concentrically with the shaft portion 19 at the base end of the shaft portion 19. The lower surface of the valve portion 20 is formed so as to be in contact with and separated from the inner end surface 16 of the base portion 13 of the nozzle body 11. As shown in FIG. 5, the outer peripheral surface 21 of the valve portion 20 is formed so as to be inclined so as to taper toward the shaft portion 19 and to be in close contact with the inner surface of the annular protrusion 17 of the nozzle body 11.

The outer peripheral surface 21 of the valve portion 20 and the annular protrusion 17 of the base 13 of the nozzle body 11 are from the accommodating portion 6 of the medication container 1 to the inner end surface 16 of the base 13 of the nozzle body 11 and the valve portion 20 of the slide member 12. It constitutes a sealing portion 23 that seals a flow path that passes through the space, passes through the inside of the inflow port 22 and the shaft portion 19, and reaches the outside. The seal portion 23 is maintained in a sealed state by engaging the locking portion 18 formed at the upper end of the annular protrusion 17 with the outer peripheral edge of the valve portion 20.

Next, the operation of the nozzle 10 in particular when the dosing is performed by the simple suspension method using the dosing container 1 provided with the nozzle 10 having the above configuration will be described.

After confirming that the valve portion 20 of the slide member 12 of the nozzle 10 of the discharge portion 5 of the medication container 1 is closed and the locking portion 18 of the nozzle body 11 is locked to the valve portion 20 of the slide member 12. The chuck tape 9 of the medication container 1 is opened, the inlet portion 8 is opened, a drug such as a capsule or a tablet necessary for the patient's medication, water at room temperature or hot water at 55 ° C. is put in, and the chuck tape 9 is closed. In this state, the dosing container 1 is left for a predetermined time to disintegrate and suspend the drug. If necessary, the medication container 1 may be shaken or an external force may be applied from the outside to disintegrate the drug. Since the valve portion 20 of the slide member 12 is closed and the nozzle 10 is sealed by the seal portion 23, the suspension of the drug and the hot water in the accommodating portion 6 of the dosing container 1 does not leak to the outside. During suspension, as shown in FIG. 6A, the dosing container 1 may be hung by hanging the suspension hole 4a on the nozzle 10 side on the hook 25 of the stand 24 with the nozzle 10 facing up. When suspended in water at room temperature, it may be heated to near the human body temperature.

When the suspension of the drug and hot water in the dosing container 1 reaches a temperature close to the body temperature, the male connector 27 of the tube 26 is connected to the female connector 14 of the nozzle 10 of the dosing container 1 as shown in FIG. 6 (b). .. At this time, as shown in FIG. 7, the tip of the shaft portion 19 of the slide member 12 comes into contact with the tip of the male connector 27 and is pushed into the tip.

When the shaft portion 19 of the slide member 12 is pushed in, the valve portion 20 of the slide member 12 is disengaged from the locking portion 18 of the nozzle body 11 and the sealed state is released, and the valve portion 20 of the slide member 12 is released from the nozzle body 11. The valve portion 20 is released so as to be separated from the inner end surface 16 of the base portion 13, and the inflow port 22 of the shaft portion 19 of the slide member 12 is exposed to the inside of the accommodating portion 6 of the medication container 1.

As a result, the liquid flows from between the valve portion 20 of the slide member 12 and the inner end surface 16 of the base portion 13 of the nozzle body 11 to the inside of the shaft portion 19 via the two inlets 22 of the shaft portion 19 of the slide member 12. A passage is formed, through which the suspension of the container 6 of the dosing container 1 is administered to the patient's stomach or intestine via the tube 26. Since the tip of the shaft portion 19 of the slide member 12 is in contact with the tip of the male connector 27 of the tube 26, the slide member 12 does not return during the flow of the suspension.

When the administration of the suspension is completed, the male connector 27 of the tube 26 is removed, the valve portion 20 of the slide member 12 of the nozzle 10 is pressed from the outside of the medication container 1, and the outer peripheral edge of the valve portion 20 is engaged with the nozzle body 11. Locks to the stop 18. As a result, the slide member 12 is closed, so that the dosing container 1 can be discarded without leaking the suspension adhering to or remaining in the accommodating portion 6 to the outside. The dosing container 1 may be discarded without closing the valve portion 20 of the slide member 12.

In the first embodiment, the shaft portion 19 of the slide member 12 has a cylindrical shape, but as shown in FIG. 8, the shaft portion 19 may have a cross-shaped cross section. Therefore, when the valve portion 20 of the slide member 12 is opened, the groove 28 of the shaft portion 31 of the slide member 12 is exposed inside the accommodating portion 6 of the dosing container 1. As a result, a flow path is formed between the valve portion 20 of the slide member 12 and the inner end surface 16 of the base portion 13 of the nozzle body 11 through the groove 28 of the shaft portion 31 of the slide member 12, and passes through this flow path. The suspension of the container 6 of the dosing container 1 is administered to the patient's stomach and intestine via the tube 26.

Further, as shown in FIG. 9, an annular groove 29a is formed on the inner end surface 16 of the base portion 13 of the nozzle body 11, and an annular protrusion 29b that fits with the annular groove 29a is provided on the valve portion 20 of the slide member 12, and is annular. The seal portion 29 may be formed by fitting the groove 29a and the annular protrusion 29b.

<Second Embodiment>
FIG. 10 shows the nozzle 10A of the second embodiment. The nozzle 10A is the same as the nozzle 10 of the first embodiment except that the structure of the seal portion and the shape of the slide member are different. Therefore, the same reference numerals are given to the corresponding portions and the description thereof will be omitted.

The sealing portion is made of a sheet material 30 bonded to the inner end surface 16 facing the accommodating portion 6 of the medication container 1 so as to cover the through hole 15. The sheet material 30 is made of a soft synthetic resin such as polyethylene, similarly to the sheets 2a and 2b of the dosage container 1. As shown in FIG. 11, a weakening line 31 whose wall thickness is thinner than the surroundings is formed radially from the center of the sheet material 30, and breaks along the weakening line 31 when a pressing force is applied to the center. ..

The slide member 12 has a conical sharp end 32 facing the sheet material 30 at the tip of the shaft portion 19, and is configured to penetrate the sheet material 30 by the sharp end 32. A stopper 33 is provided on the outer periphery of the shaft portion 19 of the slide member 12 to prevent the slide member 12 from coming out of the female connector 14.

When the male connector 27 of the tube 26 is connected to the female connector 14 of the nozzle 10A of the medication container 1, the shaft portion 19 of the slide member 12 is pushed by the male connector 27 as shown in FIG. 12, and the sharp end 32 of the slide member 12 is pushed. However, it breaks through the sheet material 30 and breaks along the weakening line 31. As a result, the sealed state of the sheet material 30 is released, and the inflow port 22 of the shaft portion 19 of the slide member 12 is exposed inside the accommodating portion 6 of the dosing container 1.

As a result, a flow path is formed from the accommodating portion 6 of the dosing container 1 through the two inlets 22 of the shaft portion 19 of the slide member 12 to the inside of the shaft portion 19, and the dosing container 1 passes through this flow path. The suspension of the container 6 is administered to the patient's stomach or intestine via the tube 26.

<Third Embodiment>
FIG. 13 shows the nozzle 10B of the third embodiment. The nozzle 10B is the same as the nozzle 10 of the first embodiment except that the structure of the seal portion and the shape of the slide member are different. Therefore, the same reference numerals are given to the corresponding portions and the description thereof will be omitted.

The sealing portion is made of a sheet material 30 bonded to the inner end surface 16 facing the accommodating portion 6 of the medication container 1 so as to cover the through hole 15. The sheet material 30 is made of a soft synthetic resin such as polyethylene, similarly to the sheets 2a and 2b of the dosage container 1. The adhesive portion 30a shown by hatching in FIG. 14 of the sheet material 30 is adhered to the inner end surface 19 with an adhesive force that peels off when a pressing force is applied to the center.

The tip of the shaft portion 19 of the slide member 12 is adhered to the sheet material 30. The tip of the shaft portion 19 does not have to be adhered to the sheet material 30, but in this case, the slide member 12 has a female connector 14 on the outer periphery of the shaft portion 19 of the slide member 12, as in the slide member of the second embodiment. It is preferable to provide a stopper 33 for preventing the stopper 33 from coming out of the.

When the male connector 27 of the tube 26 is connected to the female connector 14 of the nozzle 10A of the medication container 1, as shown in FIG. 15, the shaft portion 19 of the slide member 12 is pushed by the male connector 27, and the tip of the slide member 12 is pushed. , The sheet material 30 is pushed up, and eventually, as shown in FIG. 16, the adhesive portion 30a of the sheet material 30 is peeled off. As a result, the sealed state of the sheet material 30 is released, and the inflow port 22 of the shaft portion 19 of the slide member 12 is exposed inside the accommodating portion 6 of the dosing container 1.

As a result, a flow path is formed from the accommodating portion 6 of the dosing container 1 through the two inlets 22 of the shaft portion 19 of the slide member 12 to the inside of the shaft portion 19, and the dosing container 1 passes through this flow path. The suspension of the container 6 is administered to the patient's stomach or intestine via the tube 26.

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the invention described in the claims.

1 ... Medication container 5 ... Discharge part 8 ... Inlet part 10, 10A, 10B ... Nozzle 11 ... Nozzle body 12 ... Slide member 13 ... Base 14 ... Female connector 15 ... Through hole 17 ... Circular protrusion 19 ... Shaft part 20 ... Valve Part 21 ... Outer surface 23 ... Seal part 26 ... Tube 27 ... Male connector 30 ... Sheet material (seal part)
31 ... Weak line 32 ... Sharp edge

Claims (3)

In a nozzle for a medication container attached to the discharge portion of a medication container having an inlet portion and a discharge portion,
A base that has a through hole that communicates with the inside of the dosing container and is attached to the discharge portion.
It is provided with a female connector integrally formed with the base portion, having a cylindrical shape communicating with a through hole of the base portion, and having a male screw formed on the outer peripheral surface.
A seal is provided between the inside of the dosing container and the through hole at the base.
A slide member is provided between the seal portion and the female connector.
When a male connector including a cylindrical portion inserted into the female connector and an outer cylinder portion having a female screw screwed to the male screw is attached to the female connector, the slide member moves and the slide member moves. It is configured to release the seal and
The slide member has a cylindrical shaft portion and a valve portion that can be brought into contact with the base portion, and an inflow port is formed in the shaft portion.
The seal portion is composed of an outer peripheral surface of the valve portion and an annular protrusion formed on the base portion.
The locking portion formed at the upper end of the annular protrusion is configured to be locked to the outer peripheral edge of the valve portion to maintain the sealed state.
The slide member is a nozzle for a dosing container configured to open the seal portion by separating the valve portion from the base portion. In a nozzle for a medication container attached to the discharge portion of a medication container having an inlet portion and a discharge portion,
A base that has a through hole that communicates with the inside of the dosing container and is attached to the discharge portion.
It is provided with a female connector integrally formed with the base portion, having a cylindrical shape communicating with a through hole of the base portion, and having a male screw formed on the outer peripheral surface.
A seal is provided between the inside of the dosing container and the through hole at the base.
A slide member is provided between the seal portion and the female connector.
When a male connector including a cylindrical portion inserted into the female connector and an outer cylinder portion having a female screw screwed to the male screw is attached to the female connector, the slide member moves and the slide member moves. It is configured to release the seal and
The slide member has a cylindrical shaft portion, and an inflow port is formed in the shaft portion.
The sealing portion is made of a sheet material adhered to an end face of the base portion facing the inside of the dosage container.
The slide member is a nozzle for a dosing container configured to press the sheet material to peel off the adhesion of the sheet material . A dosing container having an inlet portion and a discharge portion, wherein the nozzle according to claim 1 or 2 is attached to the discharge portion.

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