JPH09187488A - Container for solution with doubly armed needle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To relatively decrease the number of parts, to decrease manufacturing cost and to improve reliability of sealing by providing a cutting and opening means on a seal membrane part of a seal member for sealing the top end opening of a capsule, in a container for a soln. with a doubly armed needle for making two containers under inner communicating condition through the doubly armed needle. SOLUTION: When a guide capsule 2 and a medicine container are connected with each other under a liq. communicating condition in a container for a soln., at first, a pull ring is pulled to open the seal membrane part 4a of a seal member 4 along a cutting part 18. In this instance, the edge part 4a' of the seal membrane part 4a is left on the guide capsule 2 side and acts as a stopper to prevent a doubly armed needle 3 from falling out of the top end opening of the capsule 2. In addition, after the seal membrane part 4a is cut and opened, the medicine container is forcibly pushed into the capsule 2 through the top end opening of the guide capsule 2 as a usual way and the doubly armed needle 3 is moved from a non-acting position to an acting position by this pushing to communicate both containers each other through the doubly armed needle 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solution container with a double-ended needle, which is equipped with a drug mixing means for mainly intravenously injecting a drug such as an antibiotic drug enclosed in a drug container such as a small vial bottle. Regarding

[0002]

2. Description of the Related Art Various types of solution containers with double-headed needles have been studied in the past, for example, JP-A-5-317.
The one proposed by No. 383 is drawing attention because it has a relatively small number of parts and can suppress the manufacturing cost.

[0003]

However, since the above-mentioned conventional structure is sealed by the peel-off type sealing member as the sealing means of the open end of the guide capsule, pinholes and poor sealing are likely to occur in the sealed portion. In addition to the lack of reliability of sealing, the double-ended needle may move freely to the release end side after peeling off the seal member, so that the double-ended needle may fall off the guide capsule at the start of the dissolving operation. In addition, the hub of the double-ended needle is provided with kickback means for preventing the needle on the drug container side from returning, but no particular consideration is given to preventing the needle on the dissolving liquid container side from returning. There was a risk of liquid leakage due to kickback.

The present invention has been made for the purpose of eliminating the above-mentioned conventional problems.

[0005]

DISCLOSURE OF THE INVENTION According to the present invention, a container containing a dissolution liquid, a removable guide capsule concentrically standing up from a mouth seal portion at an upper end of the container, and a slidable axial movement within the capsule. A double-headed solution container with a double-ended needle that can be connected in an internal communication state via the double-ended needle by pushing the drug container into the guide capsule through the upper opening of the guide capsule when necessary. The upper end opening of the sealing member is sealed by a sealing member, and the sealing film portion of the sealing member is provided with a separating and opening means, and the edge of the sealing film portion remaining on the capsule side after the separating and opening by the opening means functions as a stopper for the double-ended needle. The present invention relates to a dissolution liquid container with a double-ended needle, which is characterized in that

Furthermore, the present invention comprises a container containing a solution, a removable guide capsule concentrically standing up from the mouth seal portion at the upper end of the container, and a double-ended needle slidably movable in the capsule. In a solution container with a double-ended needle, which is capable of connecting the above two containers in an internal communication state via a double-ended needle by pushing the drug container into the guide capsule from the upper opening of the guide capsule when necessary, A solution container with a double-ended needle, characterized in that a restraining means is provided for fixing the drug container to the connection position when the two containers are connected by the double-ended needle.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings.

As is clear from the overall view shown in FIG. 1, the solution container with a double-ended needle according to the present invention comprises a solution-containing container 1, a guide capsule 2, a double-ended needle 3 and a sealing member 4 as constituent elements. .

The container 1 is made of a flexible plastic such as polyethylene and has a mouth seal portion 5 at the upper end thereof. The mouth seal portion 5 is attached to the mouth end of the container 1 by welding means or the like. A plastic inner stopper 5a fixed by application and a cap-shaped rubber stopper 5b fitted and fixed to the upper end of the inner stopper 5a.
It is composed of

The guide capsule 2 is tubular and is made of, for example, hard plastic, and is connected and fixed to the mouth seal portion 5 of the container 1 in a concentric and upward standing state at a connection fixing portion 6 at a lower end portion.

The connection fixing portion 6 is provided with a socket portion 7 projecting downward and concentrically from the lower end.
At the mouth seal portion 5, the concave and convex engaging portions 8a and 8b are fitted and fixed. The socket portion 7 and thus the guide capsule 2 can be removed from the mouth portion seal portion 5 by releasing the engagement between the concave-convex engaging portions 8a and 8b.

The socket portion 7 is provided with an annular locking ring 9 projecting inward from the upper end, and the locking projection 9a projecting downward on the inner peripheral portion of the ring 9 has elasticity of the rubber stopper 5b. However, it bites into the top surface of the rubber stopper 5b, and the biting keeps the airtightness of the connecting portion.

The double-ended needle 3 is inserted in the capsule 2 so as to be slidable in the vertical direction. As shown in detail in FIGS. 3 and 4, the double-ended needle 3 includes a pair of upper and lower needle portions 10 a, 10 that communicate with each other.
b, the needle portions 10a and 10b are supported and fixed at the center of the needle holder 11 so as to be divided into upper and lower portions with the holder 11 as a boundary.

The needle holder 11 is a small-diameter disk portion 11 at the center.
a and a slider part that is provided with a plurality of arms 11b radially extending from the outer peripheral part of the disk part 11a, for example, four arm parts 11b arranged at 90 ° intervals, and stands up from the respective tips of the arm parts 11b. At 11c, the capsule 2 can be slid and moved. Reinforcing rib pieces 11d are integrally formed at the corners of the arm 11b and the slider 11c.

A guide groove 12 for guiding the slider 11d under engagement with the slider 11d on the inner peripheral surface of the capsule 2 in order to prevent the double-ended needle 3 from rotating within the capsule 2.
(See FIG. 3) are formed.

Further, in order to prevent the double-ended needle 3 from inadvertently moving downward from the non-actuated position shown in FIG. 1, a stopper for locking the lower surface of the arm portion 11b is provided on the inner peripheral surface of the capsule 2. 13 is formed. The stopper 13 may be continuous in a ring shape, or may be formed independently for each position applied to the arm 11b.

The diameter of the small-diameter disk portion 11a in the central portion of the needle holder 11 of the double-ended needle 3 is smaller than the diameter of the mouth seal portion a of the drug container A to be connected, whereby each arm portion 1 of the double-ended needle 3 is formed.
An opening 14 (see FIG. 3) is formed between 1b and 10b.

A plurality of, for example, four, locking pieces 15 made of plastic so as to stand upright from the lower bottom of the guide capsule 2, for example, the engagement ring 9, are loci b of a circle concentric with the capsule 2.
(See FIG. 3). The locking piece portion 15 is located immediately below the opening 14 of the needle holder 11 of the double-ended needle 3, and when the double-ended needle 3 slides to the operating position shown in FIG. Concave step a'on the back of the mouth seal part a of the container A (see FIG. 5)
It is designed so that it can be locked against its elasticity. It suffices that at least two locking pieces 15 are provided at positions facing each other with the center of the capsule 2 in between, and a plurality of locking pieces 15 jointly function as a restraining means for fixing the drug container A to the connecting position.

The seal member 4 is made of plastic such as polyethylene and is applied to seal the upper end opening of the guide capsule 2. The sealing member 4 is composed of a sealing film portion 4a and a peripheral wall portion 4b standing upright from the outer peripheral edge of the sealing film portion 4a, and is fitted to the upper end portion of the capsule 2 at the peripheral wall portion 4b. 4b collar part 4 at the upper end
c is locked to the upper end surface of the capsule 2. In order to maintain the airtightness of the fitting portion, the concave-convex fitting portions 16 are formed in the fitting portion in, for example, two upper and lower stages. The central portion of the sealing film portion 4a is bulged upward in order to secure a storage space for the double-ended needle 3 in a state where the height of the capsule 2 is suppressed.

The sealing film 4a of the sealing member 4 is provided with a pull ring 17 as a separating and opening means. The separation part 18 for guiding the separation and opening of the pull ring 17 is provided at a position near the outer periphery of the lower surface of the sealing film part 4a with a small space 19 (see FIG. 5) between the inner peripheral surface of the capsule 2. Therefore, the edge 4a '(see FIG. 5) remaining after the separation and opening is used as a stopper for preventing the double-ended needle 3 from moving upward.

As shown in FIG. 1, the solution container of the present invention is
In a normal state such as during transportation and storage, the double-ended needle 3 in the guide capsule 2 moves downward due to the action of the stopper 13, and the sealing film edge 4 at the upper end of the slider 11c.
The stoppers a'are prevented from moving upward, so that the double-ended needle 3 can stably and reliably hold the non-actuated position shown in FIG.

Further, since the upper end opening of the guide capsule 2 is sealed by the seal member 4 which is fitted and fixed in the opening, the sealed state can be stably and reliably maintained.

On the other hand, when connecting with the drug container A, from the state shown in FIG. 1, the sealing film 4a of the sealing member 4 is first cut off along the cutting part 18 by the pulling operation of the pull ring 17 and opened. .

After the separation and opening of the sealing film portion 4a, as shown in FIG.
As shown in FIG.
Since it remains on the side, this edge 4a 'functions as a stopper for preventing the double-ended needle 3 from moving upward, and this edge 4a'
There is no risk that the double-ended needle 3 will fall out of the upper opening of the capsule 2 as a stopper.

After the sealing film portion 4a is cut and opened, the drug container A is forcibly pushed into the capsule 2 through the upper opening of the guide capsule 2 in the usual manner, and the double-ended needle 3 is moved to the position shown in FIG. It moves from the non-operating position shown to the operating position shown in FIG. 5, so that the interiors of both containers A and 1 are communicated with each other via the double-ended needle 3.

Further, when the medicine container A is pushed to the connecting position shown in FIG. 5, the mouth seal part a of the container A retains elasticity between the locking pieces 15, 15 at the final stage of the pushing operation. While pushing and spreading it against each other, it goes downward between them, and at the same time, the connection state shown in FIG. 5 is obtained, and at the same time, the locking projection 15a at the upper end of the locking piece portion 15 has the above-mentioned mouth seal portion a. The drug container A is firmly fixed to the capsule 2 and thus to the container 1 in this connecting position by being locked to the recessed step portion a'of the back part.

Therefore, the mouth seal parts a of both containers A and 1,
In No. 5, kickback does not occur in the needle portions 10a, 10b inserted into the rubber stoppers of the mouth portions a, 5 and liquid leakage due to kickback can be prevented.

[0028]

According to the present invention, the following effects can be obtained.

(A) The number of parts is relatively small, four parts including the container containing the solution, the guide capsule, the double-ended needle and the seal member,
Manufacturing cost is low.

Since the separation / opening method is based on the roll ring, pinholes and defective sealing are not generated in the sealed portion, and the sealing reliability can be improved.

(C) The double-ended needle can be prevented from falling out of the capsule by acting as a stopper on the edge of the sealing membrane portion remaining on the guide capsule side after the dissection and opening, and the safety at the time of the connection operation with the drug container can be improved. .

The upper and lower needle portions of the double-ended needle will not kick back not only from the mouth seal portion of the drug container but also from the mouth seal portion of the dissolution liquid container, eliminating the risk of liquid leakage due to kickback. I can.

[Brief description of the drawings]

FIG. 1 is an overall vertical sectional view showing an embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is an enlarged plan view showing the seal member omitted.

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is a vertical cross-sectional view showing a connection state with a medicine container.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Container containing dissolved liquid 2 ... Guide capsule 3 ... Double-ended needle 4 ... Sealing member 5 ... Port sealing part 6 ... Connection fixing part 7 ... Socket part 8a ... Recessed engaging part 8b ... Convex engaging part 9 ... Engagement Ring 10a ... Needle portion 10b ... Needle portion 11 ... Holder portion 12 ... Guide groove 13 ... Stopper 14 ... Opening 15 ... Engaging piece portion 16 ... Concavo-convex fitting portion 17 ... Pull ring 18 ... Separation portion 19 ... Small interval

Claims (6)

[Claims] 1. A container containing a solution, a removable guide capsule concentrically standing up from the mouth seal part at the upper end of the container, and a double-ended needle that can slide in the capsule in an axial direction, which are required. In a dissolution solution container with a double-ended needle, which is capable of connecting the above two containers in an internal communication state via a double-ended needle by sometimes pushing the drug container into the inside from the upper-end opening of the guide capsule, the upper end opening of the capsule is sealed by a sealing member. The sealing member of the sealing member is provided with a cut-and-seal means, and the edge of the seal-sealed portion remaining on the capsule side after the cut-and-seal by the opening means is made to function as a double-ended needle stopper. A solution container with a double-ended needle. 2. The separating and opening means comprises a pull ring and a separating portion which guides the separating and opening of the pull ring, and the separating portion is located at a portion near the outer peripheral portion of the sealing membrane portion and the inner circumference of the guide capsule. The dissolution liquid container according to claim 1, wherein the dissolution liquid container is provided so as to be located near the surface. 3. The restraint means for fixing the drug container to the connecting position when the two containers are connected by a double-ended needle is provided at the bottom of the guide capsule. The solution container described. 4. A plurality of locking pieces, wherein the restraining means stands upright from the bottom of the guide capsule and locks in a recessed step on the back of the mouth seal of the connected drug container. The dissolution liquid container according to claim 3, wherein the dissolution liquid container is composed of: 5. A container provided with a solution, a removable guide capsule concentrically standing up from a mouth seal portion at an upper end of the container, and a double-ended needle slidably movable in the capsule are required. In a solution container with a double-ended needle, which is capable of connecting the above-mentioned two containers in an internal communication state via a double-ended needle by sometimes pushing the drug container into the inside from the upper end opening of the guide capsule, a double-ended needle is provided at the bottom of the capsule. A dissolution solution container with a double-ended needle, characterized in that a restraining means is provided for fixing the drug container to the connecting position when the two containers are connected. 6. A plurality of locking piece portions, wherein the restraint means is erected upward from a bottom portion inside the guide capsule and is locked to a recessed step portion at the back portion of the mouth seal portion of the connected drug container. The dissolution liquid container according to claim 5, wherein the dissolution liquid container is composed of: