JPH0524048U - Two-drug mixed drug injection container - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a two-liquid-agent mixed chemical liquid injection container in which a powdery component of a chemical liquid is separately sealed and mixed with a liquid component before use. [Structure] A container body 9 for containing a liquid content W of a drug solution, a storage chamber 1 for a powdered drug solution P attached to a filling port 19 thereof, and a catheter 20 attached to the storage chamber, and the storage chamber is attached to the filling port. A male body 2 and a female body 4, which is fitted and locked to the male body,
And a plug body 6 that is inserted and locked in a female body so as to be retractable. The male body is provided with a storage cylinder 3 at a tip of a cap 12 and a through hole 13 communicating with the storage cylinder. The guide cylinder 5 is provided in a protruding manner at the tip of the peripheral wall 14 fitted and locked to the outside, and the plug body is provided with the flange 16 and the connection port 26 at the tip of the cylinder portion 7 which is inserted and locked in the guide cylinder, and is inserted after the cylinder portion. The valve portion 8 which is tightly inserted into the through hole through the water port 18 is provided, and the through hole is opened by the protrusion of the plug body so that the powdery component and the liquid component can be mixed and poured out.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a two-liquid-agent mixed chemical liquid injection container in which a chemical liquid is separately sealed into a liquid component and a powder component and can be mixed and dispensed at the time of use.

[0002]

[Prior Art]

 In the conventional drug solution infusion container, the drug solution is put in a container body that can be deformed by pressing, a catheter is connected to the mouth of the container body, and a check valve is loosely inserted into the nozzle of the catheter. When injecting a drug solution into the body, the catheter nozzle is first inserted into the body, and then the body part of the container body is pressed to inject the drug solution directly into the body. The check valve in the nozzle prevents the backflow due to intestinal pressure. (For example, Japanese Utility Model Publication No. 58-166342 and Japanese Utility Model Publication No. 1-140960)

Further, instead of loosely inserting the check valve into the nozzle of the catheter, a medicinal solution injection container is also devised in which the valve chamber having the check valve loosely inserted is connected to the mouth of the container body and the catheter is connected to the valve chamber. However, in this drug solution injection container, after filling the container body with the drug solution, the valve chamber was connected to the mouth of the container body, and the check valve of the valve chamber prevented backflow of the drug solution. .. (For example, Japanese Utility Model Publication No. 61-200051 and Japanese Utility Model Publication No. 61-200052)

[0004]

[Problems to be solved by the device]

 In a drug solution injection container in which a check valve is enclosed in the nozzle of the catheter, the check valve does not always close the nozzle securely, so a cap should be fitted over the nozzle to prevent leakage of the drug solution. There is a problem that must be prevented, and even if the nozzle is blocked with a cap, there is a problem that drug solution leaks from the insertion part of the catheter or the nozzle before use due to vibration or temperature change. there were. Further, in the case of a chemical liquid injection container in which the valve chamber is connected to the mouth of the container body, the valve chamber must be welded after filling the container body with the chemical liquid, which is a problem only suitable for mass production. there were.

Since any of the liquid medicine injecting containers is filled with the liquid medicine so that it can be used as it is, after the liquid medicine is filled, the liquid medicine does not change due to light or temperature, that is, from short days to short weeks. There is a problem that it has to be used for a long time, and a problem that it requires a lot of attention in transportation and storage management because its effective period is short. Moreover, since it has to be discarded after the effective period, the chemical solution is wasted and the cost is high. The present invention has been made in view of the above problems of the prior art, and its purpose is to separately enclose the liquid medicine into a liquid content and a powdery content, and mix and pour the mixture at the time of use. Another object of the present invention is to provide a two-liquid-agent mixed drug solution injecting container.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the two-liquid-agent mixed drug injection container according to the present invention comprises a container body for containing a liquid component of a drug solution, a drug solution powder-like container for mounting the filling port, and a catheter for mounting in the container. It consists of a male body that attaches the storage chamber to the filling port of the main body, a female body that fits and locks to the male body, and a plug body that insertably locks into the female body. , The powder storage cylinder is provided at the end of the cap, the female body has a guide cylinder protruding from the end of the peripheral wall that fits and locks on the outside of the male storage cylinder, and the plug body is a cylinder that is inserted and locked in the guide cylinder. A flange and a connection port are provided at the end of the part, and a valve part that is inserted into the through hole through the water inlet and closed is provided after the tubular part.The through hole is opened by the protrusion of the plug, and the liquid and powder components are opened. It is made possible to mix and inject.

[0007]

【Example】

 First, the structure of the two-liquid-mixture drug solution injecting container according to the present invention will be described with reference to the drawing of FIG. 1 (A). It is composed of a storage chamber 1 for storing and a catheter 20 connected to the storage chamber 1, of which the container body 9 has a filling port 19 formed at the tip of a bag-shaped body 9a which can be deformed by pressure, and the inside of the filling port 19 is formed. After the liquid content W of the chemical liquid is injected into the container, the storage chamber 1 is attached to the filling port 19 to seal the liquid content W.

The storage chamber 1 for the powder component P can be retracted into the male body 2 screwed into the filling port 19 of the container body 9, the female body 4 fitted and locked to the male body 2, and the female body 4. The male body 2 has a through hole 13 formed in a top wall 2a of a cap 12 which is screwed into a filling port 19 of a container body 9 to form a through hole 13 in the top wall 2a. First, the storage cylinder 3 larger than the through hole 13 is provided with the through hole 13 as the center, and the rear part of the storage cylinder 3 is formed into a funnel shape toward the through hole 13, and locking claws are provided on the entire outer circumference of the storage cylinder 3. The protrusions 3a and 3b are provided, and the locking claws 3a and 3b are provided at the front and rear ends of the storage cylinder 3.

The female body 4 is provided with a guide cylinder 5 having a diameter smaller than that of the peripheral wall 14 and slightly larger than the diameter of the male body through hole 13 at the tip of the peripheral wall 14 fitted to the outside of the male body storage cylinder 3, and provided on the inner surface of the peripheral wall 14. The locking claws 4a and 4b which are locked to the locking claws 3a and 3b of the male body storage cylinder 3 are formed, and the protrusion 15 is formed on the entire inner surface of the guide cylinder 5 on the inlet side. The locking claws 3a, 3b of the male body storage cylinder 3 and the locking claws 4a, 4b of the female body peripheral wall 14 allow the storage cylinder 3 to be inserted into the peripheral wall 14, and are locked so that they cannot be detached easily when the insertion is completed. It has a wedge shape.

The plug body 6 is provided with a connection port 26 for connecting the collar 16 and the catheter 20 to the tip of the guide cylinder 5 at the tip of the cylinder part 7 to be inserted into the guide cylinder 5 of the female body 4. The valve portion 8 is extended rearward through the water passage 18, and a fitting insertion groove 8a for the sealing material S is provided at the rear portion of the valve portion 8 so that the projection 15 of the guide cylinder 5 is provided on the entire outer peripheral surface of the cylinder portion 7. The recessed groove 7a and the ridge 7b to be engaged are formed at appropriate intervals, and the water passage 18 provided between the tubular portion 7 and the valve portion 8 has the leg piece 17 provided between the tubular portion 7 and the valve portion 8. It is formed between the leg pieces 17.

The cylindrical portion 7 of the stopper 6 is formed longer than the guide cylinder 5 of the female body 4, and the flange 16 and the connection port 26 are provided at the tip thereof, and the valve portion 8 has a diameter slightly smaller than that of the male body through hole 13. The rear portion of the valve portion 8 is inserted into the male body through-hole 13 in a state where it becomes longer in the projecting and retracting direction and the collar 16 is locked to the tip of the guide cylinder 5, and the through-hole 13 is closed by the seal material S. Further, the concave groove 7a of the tubular portion 7 is provided at a position to be locked with the projection 15 of the guide tube 5 in the closed state of the through hole 13, and the convex strip 7b extends from the through hole 13 to the valve receiving tube 3 through the through hole 13. It is provided at a position where it is extracted and the through hole 13 is opened. The catheter 20 is made of a bendable soft synthetic resin, and the check valve 22 is loosely inserted in the nozzle 21.

Since the two-liquid-agent mixed drug solution injecting container of the present invention has the above-mentioned structure, first, the peripheral wall 14 of the female body 4 is fitted into the housing cylinder 3 of the male body 2 to assemble the female body 4 and the male body 2 in a non-separable manner. After that, by inserting the valve portion 8 of the stopper 6 into the guide tube 5 of the female body 4 and inserting the collar 16 of the stopper body 6 into the female body guide tube 5, the storage chamber 1 is assembled. The ridge 15 of the female body guide cylinder 5 is inserted and locked in the concave groove 7a of the plug cylinder portion 7, the water passage 18 provided at the rear portion of the cylinder portion 7 is opened in the storage cylinder 3, and the rear portion of the valve portion 8 is The through hole 13 is inserted into the male body through hole 13 and the through hole 13 is closed by the sealing material S.

When the powdery component P of the chemical liquid is sealed in the storage chamber 1 assembled as described above, the powdery component P is put into the plug 6 by directing the inner cylinder 5 of the stopper 6 upward. The portion P passes through the water passage 18 from the inner cylinder 5 and enters the storage cylinder 3. After putting the powder P in the storage chamber 1, insert the catheter 20 with the check valve 22 into the connection port 26 of the inner cylinder 5, or attach the sealing body 10 with the check valve 22, The amount P is sealed, and the male cap 12 of the storage chamber 1 in which the powder P is sealed is screwed into the filling port 19 of the container body 9 into which the liquid component W of the chemical solution is injected.

In order to inject the drug solution into the body from the two-liquid agent mixed drug solution injecting container of the present invention, first the catheter 20 is turned up and the female body peripheral wall 14 of the storage chamber 1 is grasped by one hand, and then the valve portion 8 When the flange 16 of the plug body 6 forming a single body is pushed upward, the plug body 6 projects from the female body guide cylinder 5 in response to the pushing of the flange 16 and is integral with the valve body 6. 8 is pulled out from the male through hole 13 into the storage cylinder 3, and the through hole 13 is opened. Due to the opening of the through hole 13, the powder component P enclosed in the storage cylinder 3 falls into the container body 9 through the through hole 13 and is mixed with the liquid component W.

After the powder component P is added to the liquid component W, the container body 9 is shaken so that the liquid component W and the powder component P are quickly and evenly mixed. 9a is grasped with one hand, the nozzle 21 of the catheter 20 is inserted into the body with the other hand, and the body portion 9a is pressed, the mixed drug solution penetrates in the body portion 9a in response to the pressing of the body portion 9a. It enters the guide tube 5 through the hole 13 through the storage tube 3, flows into the tube portion 7 through the water passage 18 that opens in the guide tube 5, and is injected into the body through the catheter 20.

It is preferable that the female body 4 is made of a hard synthetic resin, and the male body 2 and the plug body 6 are made of a synthetic resin softer than the female body 4. If at least one of the male body 2 and the female body 6 and the container body 9 and the cattle 20 are made of transparent synthetic resin, the remaining amount and the injection state of the chemical solution can be visually inspected, and the storage cylinder 3 can also be visually inspected. can do. Furthermore, the procedure for assembling the male body 2, the female body 6, and the plug body 6 is not limited to the above example.

[0017]

[Effect of the device]

 Since the two-liquid-agent mixed drug solution injecting container of the present invention is configured as described above, it has the following effects. The liquid content of the drug solution is separately sealed in the container body and the powder component is sealed in the storage chamber, and when used, the powder component is mixed with the liquid component to form the drug solution, and the drug solution is poured into the body. , It has a great feature that the chemical solution can be poured out in a fresh state. In addition, since the drug solution can be sealed separately into a powder component and a liquid component, it does not change with time even after long-term storage, the drug effect is not lost, and a stable state can be maintained for a long period of time.

Further, the powder storage chamber can be assembled integrally by simply inserting the peripheral wall of the female body into the male storage barrel and inserting it into the female guide barrel from the valve portion of the plug body. Not only is it easy and easy to seal the powder component and attach the storage chamber to the container body, but it is also easy to uniformly mix the liquid component and powder component that are separately sealed. Further, by pressing the body of the container body, the drug solution can be injected into the body as usual.

[Brief description of drawings]

1 (A) and (B) are partially cutaway front views of a two-liquid-agent mixed chemical solution injection container and a conventional chemical solution injection container of the present invention.

FIG. 2 is a partially cutaway front view showing a main part structure when the powder storage chamber of the present invention is closed.

FIG. 3 is a partially cutaway front view showing the structure of the main part of the powder storage chamber when opened.

4 (A) and 4 (B) are a partially cutaway front view and a right side view showing a main structure of a male body.

5 (A) and 5 (B) are a partially cutaway front view and a right side view showing a main part structure of a female body.

6 (A) and 6 (B) are a partially cutaway front view and a cross-sectional view taken along line AA showing a main structure of a plug body.

7 (A) and (B) are a partially cutaway front view showing an example of use of the powder storage chamber of the present invention and a sectional view of a sealing body.

FIG. 8 is a sectional view of a nozzle.

[Explanation of symbols]

 1 powder storage chamber 2 male body, 2a top wall, 12 cap 3 storage cylinder, 13 through hole 4 female body, 14 peripheral wall 5 guide cylinder, 15 ridge 6 plug body, 16 collar, 26 connection port 7 cylinder part 8 valve Part, 18 water passage port 9 container body, 19 filling port 10 sealing body 20, catheter, 21 nozzle, 22 check valve P powder component, W liquid component, S sealant

Front page continuation (72) Inventor Mitsuhiro Saito 3-2-2 Sakurada, Washinomiya-cho, Kitakatsushika-gun, Saitama 2-2-202 (72) Inventor Takashi Fujimoto 163, Konaka, Toyama-shi, Toyama Hanshin Chemical Industry Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A container main body (9) for storing a liquid content (W) of a chemical liquid, a storage chamber (1) for storing a chemical liquid powder component (P) attached to a filling port (19) of the main body, and a storage chamber. A male body (2) having a catheter (20) fitted into the connection opening (26) and attached to the filling opening of the main body of the storage chamber, a female body (4) fitted and locked to the male body, and a female body. A cap (12) that is inserted and locked so that it can be retracted and inserted into the body, a male body is provided with a through hole (13) in the cap (12) and a powder container (3) is provided at the tip of the cap. , A guide tube (5) is projectingly provided at the tip of a peripheral wall (14) where the female body is fitted and locked to the outside of the male body storage tube, and a stopper body is inserted at the tip of a tube portion (7) which is inserted and locked in the guide tube. A male body insertion restriction collar (16) and a connection port are provided, and a valve part (8) for inserting and closing the through hole through the water passage port (18) is provided behind the tubular part to extend the liquid medicine. Distinguish between minute and powdery While adapted to enter, by opening a through hole by protruding the stopper, the two solutions mixed liquid injection container so as to be injected as a mixture of liquid component and powder component.