JP3577105B2 - Infusion container - Google Patents

Description

[0001]
[Industrial applications]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an infusion container used when a liquid and a drug are mixed and infused into a patient.
[0002]
[Prior art]
In recent years, as one method of injecting drip into a patient, infusion in which a drug container for storing a drug and a flexible container for storing a liquid such as a diluent such as dextrose solution or saline solution or a solution of the drug in recent years are directly connected. Containers have been used. The features of this infusion container are that the medicine and the liquid are prevented from being mixed until immediately before use, that they are not exposed to outside air when they are mixed, they are mixed under sanitary conditions, and that there is no leakage of the liquid or drug during mixing, etc. It is in.
[0003]
As a transfusion container having the above-mentioned requirements, as shown in FIG. 8, a storage capsule 51 of a medicine container D is connected to a bottom opening of a flexible container main body A via a plug 59, and an outer cap 61 is attached to the capsule 51. Fits rotatably. As means for pushing down the medicine container D, cam walls 62 inclined downward and inclined are arranged in the inner surface of the outer cap 61, and a U-shaped pressing plate 63 fitted on the medicine container D can be lowered along the inclined edge thereof. To do. Further, a braking device 60 is provided at the lower end of the capsule 51 so that the mixing needle 57 penetrates the seal of the medicine container D in advance. (For example, Japanese Patent Publication No. 5-66141)
[0004]
The braking device 60 is provided with a mixing needle 57 on a U-shaped support 54, and a pair of support arms 65, each of which has a tip reaching the neck d 1 of the medicine container D, are protruded from the support 54 so as to be openable and closable. First, a bulging portion 66 fitted to the neck portion d1 is provided, and a locking claw 67 to be placed on the step portion 58 of the capsule 51 is provided on the outside to protrude. The rim of the medicine container D is supported from below, and the legs are opened by lowering the medicine container D.
[0005]
[Problems to be solved by the invention]
The conventional infusion container, which rotates down the outer cap and pushes down the medicine container, has a very complicated structure and is very troublesome to operate. In particular, since the support and the pressing plate are U-shaped, there has been a problem that stability cannot be obtained in supporting the mixing needle and the drug container.
The present invention has been made in view of the above-described circumstances, so that a medicine container can be easily lowered with a simple structure, and the seal of the medicine container and the plug of the container main body can be stably penetrated by a mixing needle. The present invention provides an infusion container that has been prepared in a manner described above.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the infusion container according to the present invention has a descent guide groove of a cap containing a medicine container arranged on the inner periphery of the capsule, while the guide is provided on an upper outer periphery of a movable cap inserted into the capsule. A vertical ridge to be inserted into the groove was formed, a storage room provided with an openable and closable wall was provided at the lower portion of the capsule, and a support provided with a mixing needle was provided around the inner surface of the storage room. The inwardly projecting ridge and the annular groove which is engaged with the inwardly projecting ridge provided on the outer peripheral surface of the support are fitted and locked so as to be able to descend, and the locking force between the inwardly projecting ridge and the annular groove is used as a medicine container. Endure the penetration of the mixing needle into the seal and release it when the medicine container descends.
[0007]
[Action]
When the movable cap is turned so that the vertical protrusions are aligned with the guide groove of the storage capsule, the cap can be lowered along the guide groove, and the lowering of the cap causes the mixing piercing needle to first penetrate the seal of the medicine container. By the lowering of the cap, the support provided with the mixing needle is lowered, and the mixing needle penetrates through the stopper sealing membrane of the container body.
Since the medicine container is fitted in the cap even in these series of movements, it descends stably without tilting.
[0008]
Since the storage room below the storage capsule is provided with the swingable wall that can be opened and closed, the support provided with the mixing needle can be easily stored in the storage room. In addition, the support is locked by an inward ridge provided on the inner surface of the storage chamber and an annular groove provided on the outer surface of the support, and the locking force withstands penetration of the mixing needle into the seal of the medicine container. Since the mixing needle is released by lowering the medicine container, the mixing needle can sequentially penetrate the seal and the plug at the mouth of the container.
[0009]
【Example】
The basic structure of the infusion container according to the present invention will be described with reference to FIGS. 1 and 2. The storage capsule 1 is connected to the tail opening B of the container body A, and the medicine container D is stored in the capsule 1 downward. At the same time, the movable cap 2 which descends the medicine container D is inserted and the storage chamber 4 of the support 3 provided with the mixing needle 7 is provided at the lower part of the capsule 1. The medicine stored in the medicine container D and the liquid housed in the container main body A are mixed in a state in which the medicine stored in the medicine container D and the liquid housed in the container main body A are shielded from the outside so that drip injection can be performed. It is characterized in that the mixing needle 7 penetrates through the seal 8 and the medicine container D is lowered.
[0010]
The container main body A is formed of, for example, a flexible soft vinyl chloride resin or polyolefin resin, and a connection port C of a drip tube is provided on one side of the container main body A, and a tail opening B is provided on the other side. A flange-shaped lip piece b is protruded at the tip of the rim, a plug 9 is closely inserted into the butt mouth B, and a liquid such as a dextrose liquid or a diluent such as a saline solution or a solution of a drug is stored therein. Is what you do.
The medicine container D is made of glass or synthetic resin, stores powder medicine or liquid medicine inside, and seals the mouth d with a seal 8.
[0011]
As shown in FIG. 3, the plug 9 tightly inserted in the tail opening B of the container body A is provided with a flange piece 9a that overlaps with the tail opening b at the upper end of the peripheral wall 9b closely inserted inside the container tail opening B. It has a sealing film 19 through which the mixing needle 7 penetrates, and is formed of rubber or synthetic resin having elasticity. The flange piece 9a is overlapped with the butt mouth edge piece b. The capsule 1 is clamped in the storage chamber 4 of the capsule 1 to be mounted, and the butt opening B is completely sealed by heat welding of the three members.
[0012]
The storage capsule 1 has a cylindrical shape, and has an inward ridge 11 for preventing the cap 2 from being detached around the inner surface of the capsule 1, and a vertical guide reaching the upper edge of the capsule 1 on the inner surface above the ridge 11. Grooves 15 are provided at equal intervals, and the storage chamber 4 of the support 3 provided with the mixing needle 7 is formed at the lower part of the capsule 1. The inward projection for locking the support 3 at the upper part of the storage chamber 4. An inward projecting piece 13 overlapping the stopper flange piece 9a that is heat-sealed to the lip piece b of the container butt mouth portion B at the lower part of the storage room 4 under the ridge 12 and a lower portion of the butt mouth piece b. A ring-shaped bottom wall 14 to be inserted into the peripheral wall is provided, and the inwardly projecting piece 13 and the ring-shaped bottom wall 14 hold the butt-opening edge piece b and the plug flange piece 9a.
[0013]
As shown in FIG. 4, the storage chamber 4 is provided with a swing wall 4a that can be opened and closed via a hinge 16, and the swing wall 4a is released so that the support 3 of the mixing needle 7 can be inserted into the capsule 1. The inward ridge 12 is formed in the upper portion of the inner surface of the oscillating wall 4a, and the inwardly projecting piece 13 and the annular bottom wall 14 are formed in the lower portion of the inner surface of the capsule 1 continuously. After the wall 4a is released and the support 3 is inserted into the storage chamber 4, the swing wall 4a is closed and fixed.
[0014]
The movable cap 2 is engaged with the upper edge of the capsule 1 at the upper outer periphery of the body 21 inserted into the storage capsule 1, and has several vertical projections 25 inserted along the guide grooves 15 vertically, and An outwardly projecting ridge 22 is provided at the lower end of the body 21 so as to be engaged with a lower portion of the inwardly projecting ridge 11 of the capsule 1.
The medicine container D is inserted downward into the movable cap 2, and the vertical ridge 25 is staggered with the guide groove 15 of the cap 2 as shown in FIG. In use, the cap 2 is turned, the vertical ridge 25 is aligned with the guide groove 15, and the cap 2 is lowered as shown in FIG.
[0015]
Since it is necessary to hold the movable cap 2 in a lowered state, an annular locking claw 27 is provided on the outer periphery of the cap top plate 23, and an annular hook 17 for locking to the locking claw 27 is formed on the upper edge of the capsule 1. ing.
In addition, since it is necessary to suspend the infusion container, a suspending hand 28 is provided on the cap top plate 23 as shown in FIG.
[0016]
The support 3 is provided with a support wall 31 at the lower portion of the inner periphery of the peripheral wall 30, a hermetic piece 33 is hung below the support wall 31, and the outer wall of the peripheral wall 30 is fitted into and engaged with the inward ridge 12 of the capsule 1. A concave groove 32 is provided, and the mixing puncture needle 7 is fixed through the center of the support wall 31 in a non-separable and integral manner. The airtight piece 33 prevents the support 3 from tilting, enables a stable descent, and By descending, it is inscribed in the plug 9 and also serves as a seal.
[0017]
The mixing puncture needle 7 has sharp tapered portions at the upper and lower ends of the cylindrical body, and is formed of a synthetic resin harder than the stopper 9 of the container bottom opening B and the seal 8 of the medicine container D. , The cap 1 is first penetrated into the seal 8 of the medicine container D, and the cap 2 is further depressed to release the lock between the capsule 1 and the support 3. Of the plug 9.
[0018]
Since the infusion container of the present invention has the above-described structure, a liquid storage container main body A in which the buttocks B are sealed with the stoppers 9 in advance and a drug storage drug container D in which the openings d are sealed with the seal 8 are manufactured in the conventional manner. On the other hand, the storage capsule 1, the movable cap 2, and the support 3 provided with the mixing needle 7 are respectively formed, and the medicine container D is fitted into the cap 2 downward.
[0019]
First, the rocking wall 4a provided in the storage room 4 of the storage capsule 1 is released, and the support 3 is inserted into the storage room 4, and then the annular bottom wall 14 of the storage room 4 is attached to the bottom edge of the mouth. Under the b, the inward projecting piece 13 is fitted over the stopper flange piece 9a overlapping with the buttocks mouth edge piece b, the released rocking wall 4a is closed, and the rocking wall 4a is welded. The ring-shaped bottom wall 14 and the lip opening edge piece b and the plug flange piece 9a are heat-welded and integrated, and the inward projection 13 and the ring-shaped bottom wall 14 form the tail opening. The support member 3 is locked by the inwardly projecting ridge 12 of the storage chamber 4 while sandwiching the opening edge piece b and the plug body flange piece 9a.
[0020]
The medicine container D is held downward in the movable cap 2, and is inserted into the storage capsule 1 so that the vertical ridge 25 of the cap 2 is engaged with the upper edge of the capsule 1.
In use, when the vertical ridge 25 of the movable cap 2 is aligned with the guide groove 15 of the capsule 1 and the cap 2 is pushed down along the guide groove 15, the medicine container D is lowered together with the cap 2 and closes the mouth d. The mixing needle 7 first penetrates the seal 8.
At this time, the support 3 of the mixing needle 7 is locked on the inward ridge 12 of the storage chamber 4.
[0021]
When the cap 2 is further depressed, the support 3 locked on the inward ridge 12 of the storage chamber 4 cannot withstand the lock and comes off, and descends as shown in FIG. 9 through the sealing film 19.
When the mixing needle 7 penetrates both the container body A and the medicine container D, the medicine in the medicine container D is dropped on the liquid in the container body A and mixed and dissolved.
[0022]
【The invention's effect】
As described above, according to the infusion container of the present invention, when used, the locked state is released by a very simple operation of turning the movable cap, and then simply depressed, the first time the seal of the medicine container is used. The mixing needle is pierced and then the closure of the container body is pierced. Moreover, the support of the mixing needle is in the state of being inserted into the storage chamber of the storage capsule, and the medicine container is in the state of being inserted into the cap, so that the procedure operation can be performed stably without any trouble. is there.
[0023]
Since the storage capsule is connected to the bottom opening of the container body, the movable cap is inserted into the capsule, the medicine container is inserted into the cap, and the support is inserted and locked in the storage chamber of the capsule. The seal of the medicine container and the plug at the mouth of the container are penetrated by the mixing needle while being shielded from the outside. Further, the storage chamber of the storage capsule is provided with a swingable wall which can be opened and closed, an inward ridge is provided on the inner surface of the storage chamber, and an annular concave groove is provided on the outer peripheral surface of the support for engaging with the inward ridge. Therefore, the support can be inserted and locked with a simple structure.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view before using an infusion container according to the present invention.
FIG. 2 is a partially cutaway front view showing an essential part structure by disassembling an infusion container.
FIG. 3 is a perspective view showing the relationship between the plug and the bottom opening of the container body.
FIG. 4 is an exploded perspective view showing an example of insertion of a support into a storage chamber of a storage capsule.
FIG. 5 is an exploded perspective view showing a relationship between a movable cap and a medicine container.
FIG. 6 is a partially cutaway front view showing an example of penetrating a seal of a medicine container by a mixing needle.
FIG. 7 is a partially cutaway front view showing an example of penetrating the plug of the container main body by the mixing needle.
FIG. 8 is a partially cutaway front view of a conventional infusion container.
[Explanation of symbols]
1, 51 Storage capsule 2, 61 Cap 3, 54 Support 4 Storage room, 4a Swing wall 7, 57 Mixing needle 8 Seal 9, 59 Plug body, 19 Sealing membrane 11 Inwardly projecting ridge, 12 Inwardly projecting ridge, 13 Inwardly Projection piece, 14 annular bottom wall, 15 guide groove 21 trunk, 22 outward convex ridge, 25 vertical ridge, 28 suspender 30 peripheral wall, 31 support wall, 32 annular concave groove, 33 airtight piece A container body, B tail opening Part, b mouthpiece, C connection port D drug container, d mouth

Claims (1)

A connection port (C) for a drip tube is provided on one side of a container body (A) for storing a liquid, and a tail opening (B) sealed with a plug (9) is provided on the other side, and the tail opening (B) is provided. Is connected to the storage capsule (1) of the medicine container (D), and the mixing needle (7) penetrates through the stopper (9) and the seal (8) of the medicine container (D) to shut off the liquid and the medicine from the outside. In the infusion container, the lower guide grooves (15) of the cap (2) are arranged at equal intervals on the inner periphery of the capsule (1), while the drug container (D) is closely inserted downward. A vertical protrusion (25) is formed on the outer periphery of the capsule (1) to be engaged with the upper edge of the capsule (1) and inserted into the guide groove (15), and the movable cap (2) descends along the vertical protrusion (25). possible and will, at the bottom of the housing capsule (1), Yes to form a support with the mixture puncture needle (7) storage chamber (3) (4), A part of the peripheral wall of the delivery room (4) is constituted by a swinging wall (4a) which can be opened and closed via a hinge (16), and the support (3) of the storage capsule (1) and the mixing needle (7) is formed. And an inward ridge (12) provided on the inner surface of the storage chamber (4) and an annular groove (32) formed on the outer peripheral surface of the support (3). ) Withstands the penetration force of the mixing needle (7) with respect to the seal (8), is released when the medicine container (D) is lowered, and the airtight piece (33) suspended from the support (3) is inserted into the plug (9). An infusion container, which is inserted tightly into a container.

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