JP2001112848A - Bag for drug solution, capillary tube for drug solution bag, and manufacturing method of drug solution bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To comparatively easily provide a technique for a drug solution bag having a structure wherein the drug solution can be sealed under the state wherein air is not entrapped when the drug solution is injected into the bag, air does not the solution during the storage, the residual amount can be visually checked, and the drug solution can be used up with less residue, regarding the drug solution bag in which the drug solution has been injected. SOLUTION: This drug solution bag is equipped with a bag body 1 for holding a drug solution, a take-out port member 2, a suction-assisting member 3 and a lid member 4. The take-out port member 2 is fixed to the open section of the bag body 1, and is equipped with a port 5 for injection of the drug solution into the inside of the bag body 1 and for the oozing of the solution from the inside of the bag body 1. The suction-assisting member 3 is embedded and fixed to the exit 5 of the port member 2, and ensures breath ability between the inside and the outside of the bag body 1. Then, the lid member 4 shuts off the breath ability between the inside and the outside of the bag body 1 under the state that the suction-assisting member 3 has sucked out the drug solution. The bag body 1 is formed of a material which can be shrunk by the atmospheric pressure after the drug solution has been filled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chemical solution bag. More specifically, for example, the present invention relates to a chemical solution bag used for an infuser pump for injecting a small amount of water, a chemical solution, and the like into humans, animals, plant plants, and the like.

[0002]

2. Description of the Related Art As a drug solution injection device for continuously injecting a small amount of a drug solution into a human body, a technique related to an infuser pump has been known. For example, a liquid supply device disclosed in JP-A-8-196628.

[0003] Such infuser pumps have been used for patients who need to inject a small amount of morphine or a therapeutic agent after surgery. The chemical liquid to be injected here needs to be injected so that air is not mixed. On the other hand, air is present in the chemical solution bag or in a peripheral device connected to the chemical solution bag and sending out the chemical solution. Therefore, the medical solution bag in the infuser pump may be injected by a doctor or nurse, etc., into a patient after purging air mixed with the medical solution bag or its peripheral devices by a person's skill. And inject.

[0004] In the field of scientific experiments in which a minute amount of reagent is mixed in over a long period of time, the technique of the infuser pump is sometimes used. In such a case,
In some cases, advanced control equipment may be attached so that individual skills are not relied on.

[0005] With respect to the technology of a liquid package that can hold a liquid, supply the liquid as needed, and reduce the occupied space when the supply is completed, the technology of the liquid package is widely used in the fields of a liquid ink package, a beverage package and the like. Have been.

[0006]

The operation of degassing the air mixed in the chemical solution bag or its peripheral devices has a feeling of nervousness for doctors, nurses, and other personnel not to inject air into the patient. , Is a burden. Relying on the skills of the person in charge can also lead to uneven work.

[0007] On the other hand, solving a problem by attaching advanced control equipment such as an infuser pump is not rational from an economic viewpoint. In the technology related to liquid packaging, the liquid to be held is not expensive, and therefore, a technology for sending the liquid to reduce the remaining amount of liquid is not provided from the viewpoint of cost effectiveness. In addition, a technique that allows visual recognition of the remaining amount has not been adopted because if the package is made translucent, the quality of the liquid may be deteriorated by ultraviolet rays or the like.

[0008] The problem to be solved by the present invention is that a bag for a drug solution into which a drug solution has been injected can be sealed in a state in which air that has entered when the drug solution is injected into the bag for a drug solution is evacuated. It is an object of the present invention to relatively easily provide a technique of a medical solution bag having a structure in which the remaining amount can be visually recognized, the remaining amount can be used up little, and a small amount of the medical solution can be taken out and used.

[0009] An object of the present invention is to provide a liquid medicine bag into which a liquid medicine has been injected, which can be sealed in a state in which air that has entered when the liquid medicine is injected into the liquid medicine bag is removed, and air is stored during storage. Is to provide a drug solution bag that does not enter the liquid. Another object of the present invention is to provide a chemical solution bag which can be used up with a small remaining amount. The object of the invention described in claim 3 is further,
An object of the present invention is to provide a liquid medicine bag whose remaining amount can be visually recognized. A fourth object of the present invention is to provide a chemical solution bag which can be used by taking out a small amount of the chemical solution little by little.

Another object of the present invention is to provide a bag for a chemical solution in consideration of hygiene.
It is still another object of the present invention to provide a chemical solution bag in which a chemical solution can be easily injected or degassed. An object of the invention described in claim 7 is to provide a capillary tube suitable for a chemical solution bag that can be used up with a small remaining amount. An object of the invention described in claim 8 is to provide a method of manufacturing a chemical solution bag which can be sealed in a state in which air does not enter when the chemical solution is injected into the chemical solution bag, and in which air does not enter into the solution during storage. That is.

[0011]

Means for Solving the Problems In order to solve the above-mentioned problems, the present application provides the inventions according to claims 1 to 8.

According to a first aspect of the present invention, there is provided a bag (1) for holding a chemical solution, and a chemical solution fixed to an open portion of the bag (1) and inserted into the bag (1). An outlet member (2) having an entrance (5) for infusion and leaching of a chemical solution from the inside of the bag (1), and a bag (1) fixed to the entrance (5) of the outlet member (2). ) A suction assisting member (3) that assists the suction of the chemical solution by securing the air permeability inside and outside, and shuts off the air permeability of the suction assisting member (3) in a state where the suction assisting member (3) sucks the chemical solution. Cover member for
(4), wherein the bag body (1) relates to a chemical solution bag formed of a material capable of contracting at atmospheric pressure after being filled with the chemical solution.

(Explanation of terms) The "chemical solution" is a liquid drug, and includes a drug to be injected into the body, a drug for causing a chemical reaction, a reagent, and the like. Per bag (1)
The “material that can be shrunk at atmospheric pressure” is a material that can be formed into a film shape, for example, a material obtained by depositing aluminum on a polyethylene film. Aluminum is vapor-deposited in the case of a bag (1) in which a chemical solution which is deteriorated by light such as ultraviolet light is required to be made of a material suitable for light shielding. The “sucking assisting member” is, for example, a porous body such as urethane foam. It can also be formed of materials such as fiber waste, resin, and rubber. The "lid member" is made of a material suitable for blocking air and liquid, for example, polyethylene terephthalate (PET), polyolefin resin, or the like.

(Action) Doorway (5) of outlet member (2)
Inject the drug solution into the bag body (1). And the doorway
At (5), the suction assisting member (3) is fixed. Since the suction assist member (3) secures air permeability inside and outside the bag (1),
Eventually, the chemical solution leaches into the suction assisting member (3). Then, the lid member (4) blocks the air permeability inside and outside the bag (1). This prevents the chemical solution from leaking out of the bag body (1) from the suction assisting member (3) and also prevents air from entering the inside of the bag body (1). Since almost no air is mixed in the bag body (1), it is possible to work almost uniformly without depending on the skill of the person in charge when using the chemical solution. In addition, since the bag (1) is formed of a material that can be contracted at atmospheric pressure after being filled with the liquid medicine, the liquid medicine can be taken out by the bag (1) that contracts at atmospheric pressure.

(Claim 2) The invention according to claim 2 limits the chemical solution bag according to claim 1, wherein the outlet port member (2) is welded to the open portion of the bag body (1). A welding portion (2a), and the welding portion (2a) has an outlet member.
A leaching space (2b) for storing a chemical solution to be leached into the entrance (5) of (2), wherein the chemical solution in the bag body (1) is leached into the leaching space;
A tongue piece (2c) provided in a peripheral portion in the internal space of the bag body (1) for guiding to the (2b) is provided, and the leaching space (2b) is provided with a chemical solution take-out port (5). The present invention relates to a drug solution bag formed so as to have a thickness capable of performing a capillary action toward the bag.

(Action) The chemical solution injected into the internal space of the bag body (1) leaches out of the entrance (5) of the outlet member (2), but when the remaining amount becomes small, the tongue piece (2c) The remaining drug solution is collected inside. Furthermore, since the leaching space (2b) is located between the inside of the tongue piece (2c) and the entrance (5) of the outlet member (2), the leaching space (2b) remains due to its capillary action. The introduced chemical can be led to the entrance (5).

(Claim 3) The invention according to claim 3 limits the bag for chemical solution according to claim 1 or 2, wherein at least the bag (1) of the outlet member (2) has an entrance. The part (5) relates to a liquid medicine bag having transparency.

(Operation) Since at least the portion of the outlet member (2) from the bag body (1) to the entrance (5) is translucent, it is possible to visually check whether a chemical solution remains at the entrance (5). .

(Claim 4) According to a fourth aspect of the present invention, the medical solution bag according to the first, second or third aspect is limited, and the lid member (4) is formed by a capillary action. Capillary tube (7) that can move chemicals out of bag (1)
The present invention relates to a chemical solution bag provided with a connecting portion (for example, thin portion 4a) capable of easily connecting the capillary tube (7) and the suction assisting member (3).

(Operation) The connecting portion (4a) of the lid member (4) is easily connected to the capillary tube (7). Then, the capillary tube (7) is brought into contact with the suction assisting member (3). Then, the chemical solution that has leached to the suction assisting member (3) is transferred to the bag by the capillary action of the capillary tube (7).
It can be moved out of (1).

(Claim 5) According to a fifth aspect of the present invention, the medical solution bag according to the fourth aspect is limited, and a lid member (4) is provided.
At least the connecting part (4a) is provided with a packaging member for hygienically protecting the connecting part (4a), and the packaging member is detachable from the connecting part (4a), and is detached when detached. The present invention relates to a drug solution bag formed so that it cannot be returned to the same state as before.

(Explanation of terms) The configuration in which the packaging member cannot be returned to the same state as it was before detachment, such as an adhesive tape that cannot be reattached once it has been peeled off, or a deformation when it is removed, This is achieved with a cap that breaks when you try to put it back.

(Operation) The connecting portion (4a) of the lid member (4) is hygienically protected by the packaging member in the transportation or storage state before being connected to the capillary tube (7).
When connecting the connecting portion (4a) of the lid member (4) to the capillary tube (7), the packing member is detached and then connected. Since the detached packaging member is formed so that it cannot be returned to the same state as before detachment, the lid member (4) by the packaging member
If the connecting portion (4a) is not protected, it can be determined that there is no guarantee of hygiene regardless of whether it is used or unused.

(Claim 6) The invention according to claim 6 limits the chemical solution bag according to any one of claims 1 to 5, wherein the outlet member (2) includes a bag ( The present invention relates to a chemical solution bag provided with a suspending portion for suspending 1).

(Explanation of terms) The "hanging portion" is, for example, a step portion (6) formed by discontinuously expanding the diameter of the outlet member (2) toward the entrance (5). . When manufacturing the outlet member (2), it is desirable that the portion be a part that can be integrally molded.

(Action) Doorway (5) of outlet member (2)
Injects a chemical solution into the bag (1) from the inside, secures the suction auxiliary member (3) to the entrance (5), the lid member (4) blocks the air permeability inside and outside the bag (1), Before shutting off the air permeability by the lid member (4), air mixed with the injected chemical must be expelled in order to prevent deterioration of the chemical. Since the bag (1) is formed of a "material that can be contracted at atmospheric pressure", the bag (1) is hung using the hanging portion of the outlet member (2), so that the injected chemical solution is Air mixed into the bag (1)
Work can be done efficiently.

(Claim 7) The invention according to claim 7 is an invention relating to a capillary tube for sucking a chemical solution into the chemical solution bag according to claim 4 by capillary action. That is, the capillary tube is provided with a piercing portion (8) for piercing the connecting portion (4a) of the lid member (4) and reaching the suction assisting member (3), and the suction assisting member (8) at the piercing portion (8). At the contact portion with (3), the contact surface and the inside of the capillary tube (7) are communicated with each other, and a slot that functions as a capillary for the chemical solution leached into the suction auxiliary member (3).
The present invention relates to a capillary tube provided with (8a).

(Explanation of Terms) As a capillary tube, for example, there is a tube whose opening has a modified cross-sectional shape made of a thermoplastic resin. Examples of the thermoplastic resin include polyethylene, ABS, polypropylene, polyacetal, polycarbonate, polyamide resin, and polystyrene. It is desirable to have a light-transmitting property so that the presence of the chemical solution can be visually observed. As the cross-sectional shape of the opening, for example, a shape like a snow crystal as illustrated in JP-A-8-196628 has been devised. A tube having such an opening cross-sectional shape is disclosed in, for example,
It can be formed using a die as disclosed in No. 1927.

The piercing portion (8) is connected to the connecting portion (4) of the lid member (4).
pierce through a) and reach the suction assisting member (3). ''
At least it reaches the auxiliary suction member (3), and may penetrate through the auxiliary suction member (3). The width of the slot (8a) is set to a size that allows the capillary action to function.

(Operation) The capillary tube (7) penetrates the connecting portion (4a) of the lid member (4) by the penetrating portion (8) and reaches the suction assisting member (3). The part of the breakthrough (8) that comes into contact with the suction assisting member (3) is
(8a) exists. The slot (8a) comes into contact with the auxiliary suction member (3), and the auxiliary suction member
The chemical solution leached into (3) is sucked into the capillary tube (7).

(Claim 8) The invention according to claim 8 is a method for manufacturing a chemical solution bag in which a chemical solution is injected into a chemical solution bag capable of holding the chemical solution and held. Here, the drug solution bag is fixed to a bag (1) capable of holding the drug solution and an open portion of the bag (1),
An outlet member (2) having an entrance (5) for injecting a chemical into the bag (1) and leaching the chemical from the inside of the bag (1).
Is fixed to the entrance (5) of the outlet member (2),
A suction assisting member (3) for assisting the suction of the drug solution by securing air permeability inside and outside the bag (1), and the inside and outside of the bag (1) with the suction assisting member (3) sucking the drug solution. A lid member (4) for blocking air permeability.

The invention according to claim 8 is directed to such a liquid medicine bag, wherein an injection step of injecting a liquid medicine into the inside of the bag body (1) from the entrance (5) of the outlet member (2); (1) deaeration step to remove air mixed in, (2) leaching step of fixing the suction auxiliary member (3) at the entrance (5) and leaching the chemical, and shut off the air permeability of the suction auxiliary member (3) And a blocking step of fixing a lid member (4) for performing the chemical liquid injection method.

[0033]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments and drawings. The drawings used here are FIGS. 1 to 7. FIG. 1 is an assembled perspective view showing a main part of an embodiment of the present invention. FIG. 2 is a plan sectional view showing a main part of the embodiment of the present invention. FIG. 3 is a side sectional view showing a main part of the embodiment of the present invention. FIG.
FIG. 4 is an enlarged cross-sectional view of a portion viewed from an arrow A in FIG. 3. FIG. 5 is an assembled perspective view showing a main part of the embodiment of the present invention. FIG.
FIG. 6 is a perspective view showing a main part in FIG. 5. FIG. 7 is a perspective view showing a part of the manufacturing process.

FIG. 1 shows a bag (1) for holding a chemical solution.
And an outlet member fixed to an open portion of the bag body (1) and provided with an access port (5) for injecting a chemical solution into the bag body (1) and leaching the chemical solution from the inside of the bag body (1). (2) and a suction assisting member (3) fixed to the entrance (5) of the outlet member (2) and assisting the suction of the chemical solution by securing air permeability inside and outside the bag body (1); Suction auxiliary member
(3) is a chemical solution bag provided with a lid member (4) for blocking the air permeability of the suction assisting member (3) with the chemical solution being sucked.

The bag (1) is formed of a material obtained by evaporating aluminum on a polyethylene film so that it can be contracted at atmospheric pressure after being filled with a chemical solution. The volume is about 40 milliliters. Aluminum has a light-shielding property by vapor deposition, and prevents a chemical solution from being deteriorated by light such as ultraviolet rays.

The drug solution to be injected here is morphine which has an analgesic effect on the patient after surgery. Use pure morphine diluted with physiological saline. The suction assisting member (3) is a disk-shaped member formed of urethane foam. The lid member (4) is molded and manufactured from polyethylene terephthalate suitable for blocking air and liquid.

The outlet member (2) is made of polyethylene terephthalate having translucency. For this reason, it is possible to visually check whether or not the chemical solution remains at the entrance (5). The outlet member (2) includes a step portion (6) formed by discontinuously expanding the diameter of the outlet member (2) toward the entrance (5). This is because the bag (1) can be suspended.

The outlet member (2) is provided with a welding portion (2a) for welding to the open portion of the bag (1), and the welding portion (2a) is provided with the outlet member (2). Leaching space (2b) for storing the chemical solution leached to the entrance (5) of the bag
Tongues (2c, 2c) provided at the peripheral portion in the internal space of the bag (1) are provided to guide the chemical solution in (1) to the leaching space (2b). That is, the welding portion (2a) and the tongue pieces (2c, 2c) form a U shape.

The leaching space (2b) is formed such that the liquid chemical has a thickness capable of functioning as a capillary toward the inlet / outlet (5) of the outlet member (2). Specifically, the thickness is set to 0.5 mm. The welded part (2a) has a maximum thickness of 3 mm near the center and 0.2 to 0.2 mm on both sides.
The thickness was reduced to 0.3 mm. As a result, a structure in which only the bag body (1) is attached as close as possible is obtained. For this reason, unlike conventional beverage packs and the like, welding can be performed without difficulty, and a product of easy and reliable quality can be obtained.

The leaching space (2b) and the entrance (5) communicate with each other via a penetrating passage. The passage is discontinuously expanded near the center toward the doorway (5).

The lid member (4) is a bag for applying a chemical solution by capillary action.
A thin-walled portion (4a) that can be easily connected to a capillary tube (7) that can be moved out of (1) and that can contact the capillary tube (7) and the suction assisting member (3).
And an engagement piece that engages with the engagement groove (5a) of the outlet member (2).
(4b).

The capillary tube (7) is shown in FIGS. More specifically, an inner tube whose opening has a cross-sectional shape like a snow crystal made of polypropylene is coated with a polyolefin-based elastomer. Both the inner tube and the cover are transparent so that the presence of the drug solution can be visually observed. The flow rate of the capillary tube (7) varies depending on the type of the drug solution.
It will be around milliliter / hr.

The tip of the capillary tube (7) is provided with a tapered piercing portion (8). Further, as shown in FIG. 5, the tip of the piercing portion (8) pierces the thin portion (4a) of the lid member (4), penetrates the suction assisting member (3), and is located at the end of the enlarged portion of the passage. An engagement fixing portion (8b) fixed to the outlet member (2) in the reached state is provided.

Although not shown, the entire capillary tube (7) is packaged so that it cannot be returned to the same state as before the detachment. While keeping it hygienic,
Regarding those without a packaging member, it can be determined that there is no guarantee of hygiene regardless of whether they are used or not.

An outlet member by the engagement fixing portion (8b)
In the state fixed to (2), the tip of the piercing portion (8) penetrates the suction assisting member (3), and the contact surface with the suction assisting member (3) has the contact surface and the capillary tube (7). And a slot (8a) for allowing a capillary action to be performed on the chemical liquid leached into the suction assisting member (3) by communicating with the inside of the pipe. Therefore, the slot (8a) comes into contact with the suction assisting member (3), and can suck out the chemical solution leached into the suction assisting member (3) by the capillary action into the capillary tube (7).

Although not shown, at least the connecting portion (4a) of the lid member (4) is provided with a packaging member for hygienically protecting the connecting portion (4a). Then, the packaging member is formed so as to be detachable from the connecting portion (4a) and cannot be returned to the same state as before the detachment when detached. As a specific packaging member, there is a cap that is deformed when detached and is damaged when trying to return to the original state. A packaging member having a tape-like structure that cannot be reattached once peeled off may be used.

It has been described that the outlet member (2) is provided with a step (6) formed by discontinuously expanding the diameter of the outlet member (2) toward the entrance (5). ,
As shown in FIG. 7, in order to stabilize the bag body (1) in a state of being hung on the parallel support bar (10), the distance corresponding to the diameter of the parallel support bar (10) is set apart from the step portion (6). The collar portion (9) may be provided on the base.

Next, the operation of the above embodiment will be described. First, as shown in FIG. 7, the step (6) is supported and suspended on the parallel support rod (10), and the take-out port member
The chemical is injected into the bag (1) from the entrance (5) of (2).
Then, while rocking or crushing the bag (1), the air mixed into the bag (1) together with the chemical is pushed out. Since the work is performed by hanging, the work can be performed efficiently.

After the air is pushed out to some extent from the inside of the bag body (1), the auxiliary suction member (3) is fixed to the entrance (5).
Since the suction assisting member (3) secures air permeability between the inside and outside of the bag (1), when the air is completely pushed out from the inside of the bag (1), the chemical solution leaches into the suction assisting member (3). In this state, by engaging the engagement piece (4b) of the lid member (4) with the engagement groove (5a), air permeability inside and outside the bag body (1) is shut off. This prevents the chemical liquid from leaking out of the bag body (1) from the suction assisting member (3) and also prevents air from entering the inside of the bag body (1).

Subsequently, the packaging member is fixed to the lid member (4). Thus, the connecting portion (4a) of the lid member (4) is hygienically protected by the packaging member in a transported or stored state before being connected to the capillary tube (7). Since the detached packaging member is formed so that it cannot be returned to the same state as before the detachment, the chemical solution bag in which the packaging member does not exist, regardless of whether it is used or unused, It can be determined that there is no hygiene guarantee.

Next, the operation when the chemical solution of the bag (1) is used will be described. First, the packaging of the capillary tube (7) is removed, and the packaging member of the lid member (4) is also removed. And
The capillary tube (7) is taken out using the engagement fixing portion (8b) and fixed to the opening member (2). At this time, the thin portion (4a) of the lid member (4) is pierced by the piercing portion (8), and the tip of the piercing portion (8) reaches the end of the expanded portion of the passage in the outlet member (2). As described above, the connection operation between the capillary tube (7) and the drug solution bag is extremely easy.

At this time, since the slit (8a) comes into contact with the suction assisting member (3), the chemical solution leached into the suction assisting member (3) by the capillary action can be sucked into the capillary tube (7). it can. Further, the tip of the piercing portion (8) and the slit (8a) can also be sucked into the capillary tube (7) from the passage in the outlet member (2) filled with the chemical solution.

Since almost no air is mixed in the bag (1), it is possible to work almost uniformly without depending on the skill of the person in charge when using the chemical. In addition, bag body (1)
Is formed of a material that can be contracted at atmospheric pressure after being filled with the chemical, so that the chemical can be taken out by the capillary action by the capillary tube (7) and the bag (1) that contracts at atmospheric pressure. In addition, a simple structure that does not require a power source such as a motor for sucking out or an elastic body for contracting the bag body is provided.

The chemical solution injected into the internal space of the bag (1)
Leach from the entrance (5) of the outlet member (2),
When the remaining amount is low, the remaining drug solution is collected inside the tongue piece (2c). In addition, the inside of the tongue (2c)
Since the leaching space (2b) is located between the entrance and exit (5) of (2), the leaching space (2b) can guide the remaining drug solution to the entrance and exit (5) by its capillary action. For this reason,
The amount of morphine, which is an expensive chemical solution, remaining in the bag (1) can be extremely reduced.

Further, since the outlet member (2) and the capillary tube (7) are formed of a transparent material, it is possible to visually check whether or not the chemical solution remains.

[0056]

According to the first aspect of the present invention, it is possible to enclose a liquid medicine bag in which a liquid medicine has been injected, in a state where air that has entered when the liquid medicine is injected into the liquid medicine bag is removed, and air is stored during storage. It was possible to provide a chemical solution bag that does not enter the liquid. According to the second aspect of the present invention, it is possible to provide a chemical solution bag that can be used up with a small remaining amount. Further, according to the third aspect of the invention, it is possible to provide a chemical solution bag in which the remaining amount can be visually recognized. According to the fourth aspect of the present invention, it is possible to provide a chemical solution bag which can be used by taking out a small amount of the chemical solution little by little.

According to the fifth aspect of the present invention, it is possible to provide a bag for a chemical solution in consideration of hygiene. Further, according to the invention described in claim 6, it is possible to provide a chemical solution bag which is easy to inject and deaerate the chemical solution. According to the seventh aspect of the present invention, it is possible to provide a capillary tube suitable for a chemical solution bag that can be used up with a small remaining amount. According to the eighth aspect of the present invention, there is provided a method of manufacturing a chemical solution bag which can be sealed in a state in which air does not enter at the time of injecting the chemical solution into the chemical solution bag, and in which air does not enter into the solution during storage. I was able to.

[Brief description of the drawings]

FIG. 1 is an assembled perspective view showing a main part of an embodiment of the present invention.

FIG. 2 is a plan sectional view showing a main part of the embodiment of the present invention.

FIG. 3 is a side sectional view showing a main part of the embodiment of the present invention.

FIG. 4 is an enlarged cross-sectional view taken along the arrow A in FIG.

FIG. 5 is an assembled perspective view showing a main part of the embodiment of the present invention.

FIG. 6 is a perspective view showing a main part in FIG.

FIG. 7 is a perspective view showing a part of the manufacturing process.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bag body 2 Take-out member 2a Welding part 2b Leaching space 2c Tongue piece 3 Suction assisting member 4 Lid member 4a Connecting part (thin part) 4b Engaging piece 5 Doorway 5a Engaging groove 6 Hanging part (step part) 7 Capillary tube Tube 8 Breakthrough part 8a Slotting 8b Engagement fixing part 9 Flange part 10 Parallel support rod

Claims (8)

[Claims] 1. A bag body for holding a chemical solution, and a take-out member fixed to an open portion of the bag body and having an access port for injecting the chemical solution into the bag body and leaching the chemical solution from the inside of the bag body. A suction assisting member fixed to the entrance of the outlet member and assisting the suction of the chemical by securing the air permeability inside and outside the bag, and the breathability by the suction assisting member in a state where the suction assisting member sucks the chemical. And a lid member for shutting off the gas, wherein the bag body is formed of a material that can be contracted at atmospheric pressure after being filled with the chemical solution. 2. A discharge port member has a welding portion for welding to an open portion of a bag body. The welding portion has a leaching space for storing a chemical solution to be leached into an entrance of the discharge port member. A tongue provided on a peripheral portion of the inner space of the bag body for guiding the chemical solution in the bag body to the leaching space, wherein the leaching space functions as a capillary action toward the entrance of the outlet member. 2. The chemical solution bag according to claim 1, wherein the bag is formed to have a thickness. 3. The chemical solution bag according to claim 1, wherein at least a portion of the outlet member from the bag body to the entrance is light-transmissive. 4. The lid member is easily connected to a capillary tube capable of moving a drug solution out of the bag body by capillary action, and is capable of bringing the capillary tube into contact with the suction assisting member. 4. The chemical solution bag according to claim 1, further comprising a portion. 5. At least a connecting portion of the lid member is provided with a packaging member for hygienically protecting the connecting portion, and the packaging member is detachable from the connecting portion, and when detached, before the detachment. The medical solution bag according to claim 4, wherein the bag is formed so that it cannot be returned to the same state. 6. The take-out opening member is provided with a suspending portion for suspending the bag body.
The drug solution bag according to any one of the above. 7. A bag body for holding a chemical solution, and a take-out member fixed to an open portion of the bag body and having an access port for injecting the chemical solution into the bag body and leaching the chemical solution from the inside of the bag body. A suction assisting member fixed to the entrance of the outlet member and assisting the suction of the drug solution by securing the air permeability inside and outside the bag, and the breathability by the suction assisting member in a state where the suction assisting member sucks the drug solution. And a cover member for blocking, the bag body is formed of a material that can be contracted at atmospheric pressure after being filled with a chemical solution,
The lid member is easily connected to a capillary tube, and a drug solution bag provided with a connecting portion capable of bringing the capillary tube into contact with the suction assisting member. A capillary tube that can be moved outside, comprising a break-through portion that breaks through the connecting portion of the lid member and reaches the suction assisting member, and a contact portion of the break-through portion with the suction assisting member has a contact portion. A capillary tube provided with a slit for allowing a surface to communicate with the inside of the capillary tube to function as a capillary for a chemical solution leached into the suction assisting member. 8. A method for injecting and holding a drug solution into a drug solution bag capable of holding a drug solution, wherein the drug solution bag is fixed to a bag capable of holding the drug solution and an open portion of the bag. A discharge port member having an entrance for injecting a chemical solution into the bag body and leaching the chemical solution from the inside of the bag body, and being secured to the entrance of the discharge port member to ensure air permeability inside and outside the bag body. A suction assisting member for assisting the suction of the bag, and a lid member for shutting off the inside and outside of the bag when the suction assisting member sucks out the drug solution. An injecting step of injecting into the inside, a deaeration step of removing air mixed in the inside of the bag body, a leaching step of fixing the suction assisting member at the entrance and exit, and leaching the drug solution, and blocking air permeability by the suction assisting member. A method of injecting a chemical solution, comprising: