JP2016168183A - Connection auxiliary tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection auxiliary tool capable of reducing scattering of a liquid medicine during replacement of a container.SOLUTION: A connection auxiliary tool 10 has a shell member 14. The shell member 14 has an arrangement area AA where a rubber plug for encapsulating a container is arranged, and a penetration area PA where the rubber plug is allowed to penetrate through a position facing to the arrangement area. The shell member 14 partitions an internal space. The shell member 14 is deformable.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a connection aid.

  When an infusion is performed on a patient, a needle connected to a medical tube is pierced through a rubber stopper that seals a pharmaceutical container such as an infusion bag that contains the medicinal solution. Some chemical solutions include drugs designated as powerful drugs, such as anticancer drugs, and can cause the chemical solution to fall off, and the liquid drops from the rubber plugs through which the needles have penetrated. Prevention is required.

  Patent Document 1 discloses various mechanisms for preventing the needle from falling off from the rubber stopper. Patent Document 2 proposes a contamination prevention mechanism for preventing leakage of a chemical solution from a rubber stopper through which a needle is penetrated.

JP 2006-271484 A Japanese Patent Laid-Open No. 01-185266

  By the way, an additional infusion may be performed from another pharmaceutical container, and a medical worker may pull out the needle from the pharmaceutical container in which the needle has been penetrated and penetrate the needle into another pharmaceutical container. Even when such a drug container is exchanged, scattering of the drug solution can be caused. However, the structures proposed in Patent Documents 1 and 2 are not intended to reduce the scattering of the chemical solution at the time of replacement of the pharmaceutical container, and further reduction of the scattering of the chemical solution at the time of replacement of the pharmaceutical container is required. It was.

  Accordingly, an object of the present invention, which has been made in view of the above-described problems of the prior art, is to provide a connection aid that further reduces the scattering of a chemical solution when replacing a container such as a pharmaceutical product.

In order to solve the above-described problems, a connection aid as a first aspect of the present invention is:
An arrangement region in which a rubber plug for sealing the container can be arranged, and a penetration region in which a needle penetrates the rubber plug at a position opposite to the arrangement region, an internal space is defined, and a deformable skin member is provided. It is characterized by this.

In the connection aid as one embodiment of the present invention,
It is preferable that an elastic film is provided in at least one of the arrangement region and the penetration region.

In the connection aid as one embodiment of the present invention,
It is preferable to further include a locking member that locks the rubber stopper in the arrangement region.

In the connection aid as one embodiment of the present invention,
Preferably, the locking member defines an opening for locking the rubber plug, and an inner wall that defines the opening pushed and expanded by elastic deformation locks the rubber plug.

In the connection aid as one embodiment of the present invention,
It is preferable that a plurality of rubber stoppers can be arranged in the arrangement region.

In the connection aid as one embodiment of the present invention,
The outer skin member preferably defines an opening that communicates from the internal space to the external space.

In the connection aid as one embodiment of the present invention,
It is preferable to further include an adsorption filter that is provided in an opening partitioned by the outer skin member and adsorbs fine particles.

  ADVANTAGE OF THE INVENTION According to this invention, the connection assistance tool which reduces scattering of the chemical | medical solution at the time of replacement | exchange of a pharmaceutical container can be provided.

It is an external view explaining the use condition of the connection auxiliary tool which concerns on one Embodiment of this invention. It is an external appearance perspective view of the connection auxiliary tool of FIG. It is a disassembled perspective view of the connection auxiliary tool of FIG. It is a 1st state figure explaining the usage method of the connection auxiliary tool of FIG. It is a 2nd state figure explaining the usage method of the connection auxiliary tool of FIG. It is a 3rd state figure explaining the usage method of the connection auxiliary tool of FIG. It is a 4th state figure explaining the usage method of the connection auxiliary tool of FIG. It is a 5th state figure explaining the usage method of the connection auxiliary tool of FIG.

  Hereinafter, an embodiment of a connection aid to which the present invention is applied will be described with reference to the drawings.

  As shown in FIG. 1, the connection aid 10 is used when a needle 13 such as a bottle needle is pierced through a rubber stopper 12 that seals a pharmaceutical container 11 such as an infusion bag.

  As shown in FIG. 2, the connection aid 10 includes an outer skin member 14, a locking member 15, a fixing member 16, a first elastic film 17, a second elastic film 18, and an adsorption filter 19.

<Skin member 14>
The outer skin member 14 is made of, for example, a polyolefin-based, polyester-based, or polyvinyl chloride-based soft plastic such as polyethylene or polypropylene, natural rubber, isoprene rubber, butadiene rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, butyl rubber, or acrylic. Rubber, ethylene-propylene rubber, hydrin rubber, urethane rubber, silicone rubber, fluorine rubber, ionomer resin, SEBS (styrene ethylene-butylene copolymer), NBR (acrylonitrile polyethylene rubber), EPDM (ethylpropylene rubber) -Propylene It is formed from various elastomers such as a solid block copolymer (TPAE), a thermoplastic elastomer polymer (TPAE), and a transparent elastomer, such as TPVC (thermoplastic elastomer polymer). .

  As shown in FIG. 3, the outer skin member 14 defines an internal space IS. The outer skin member 14 has an arrangement area AA in which the rubber plug 12 is arranged, and a penetration area PA in which the needle 13 is penetrated at a position facing the arrangement area AA. In the present embodiment, the outer skin member 14 defines the inner space IS by forming the outer skin member 14 in a box shape. In addition, one of the two opposing regions of the box-shaped side wall is defined as the arrangement region AA, and the other is defined as the penetration region PA. The outer skin member 14 defines the openings 20 and 21 in the arrangement area AA and the penetration area PA, respectively.

<Locking member 15>
The locking member 15 is, for example, natural rubber, isoprene rubber, butadiene rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, butyl rubber, acrylic rubber, ethylene-propylene rubber, hydrin rubber, urethane rubber, silicone rubber, or fluorine rubber. Various elastomers and the like are formed as a material, and the elastic modulus is higher than that of the outer skin member 14 and has elasticity. Alternatively, the locking member 15 can be fitted to a rubber plug 12 of a specific size using a hard member. For example, polyethylene, polypropylene, ABS (acrylonitrile-butadiene-styrene) resin, polycarbonate, Hard materials such as polyethylene terephthalate, nylon, polyurethane, PTFE (polytetrafluoroethylene), ETFE (ethylene tetrafluoroethylene), vinyl chloride, polystyrene, acrylic, bakelite, epoxy, and melanin may be used as raw materials. The locking member 15 has a flat plate shape and defines a plurality of openings 22 for locking the rubber plug 12 and an opening 23 for providing the adsorption filter 19. The opening 22 for locking the rubber stopper 12 has a diameter smaller than the maximum diameter of the rubber stopper 12 of the container 11 assumed to be used. The diameters may be different between the plurality of openings 22. Alternatively, when the locking member 15 is formed of a hard substance, the inner wall that defines the opening 22 for locking the rubber plug 12 may be formed so as to be able to be fitted to the specific rubber plug 12.

  The locking member 15 is fixed to the arrangement area AA of the outer skin member 14. In the present embodiment, the locking member 15 is fitted in the opening 20 of the arrangement area AA of the outer skin member 14 and is fixed in a state where the opening 20 is closed. The locking member 15 holds the first elastic film 17 so as to close at least the opening 22 for locking the rubber stopper 12 when the opening 20 is defined in the arrangement area AA of the outer skin member 14. . Although the first elastic film 17 is held by an arbitrary mechanism, for example, in the present embodiment, the locking member 15 is constituted by two plate-like elements, and the two plate-like elements have the first The elastic film 17 is held by sandwiching it. The locking member 15 holds the suction filter 19 in the opening 23 for providing the suction filter 19.

<Fixing member 16>
The fixing member 16 is formed using the same material as the locking member 15, for example. The fixing member 16 has a flat plate shape and defines an opening 24 for providing the second elastic film 18. The fixing member 16 is fitted in the opening 21 of the penetration area PA of the outer skin member 14 and is fixed in a state where the opening 21 is closed. The fixing member 16 holds the second elastic film 18 so as to close the opening 24 for providing the second elastic film 18. If the opening 21 is not defined in the penetration area PA of the outer skin member 14, the fixing member 16 may be omitted together with the second elastic film 18.

<First elastic film 17 and second elastic film 18>
The first elastic film 17 and the second elastic film 18 are, for example, natural rubber, isoprene rubber, butadiene rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, butyl rubber, acrylic rubber, ethylene-propylene rubber, hydrin rubber, urethane. rubber, silicone rubber, fluorine rubber, ionomer resin, SEBS (styrene ethylene-butylene styrene copolymer), NBR (acrylonitrile butadiene rubber), EPDM (ethylene propylene diene terpolymer), SEPS (styrene ethylene-propylene styrene block copolymer), TPAE (thermoplastic Various elastomers such as elastomeric polymer (TPVC) and TPVC (thermoplastic elastomeric vinyl chloride) are used as a material. The first elastic film 17 and the second elastic film 18 are formed thinner than the thickness of the outer skin member 14, the locking member 15, and the fixing member 16. A needle 13 is pierced through the first elastic film 17 and the second elastic film 18. The first elastic film 17 and the second elastic film 18 are in close contact with the entire circumference of the penetrated needle 13.

<Suction filter 19>
The adsorption filter 19 is formed of, for example, fibers in which activated carbon, charged particles, and the like are dispersed. The adsorption filter 19 adsorbs fine particles such as a chemical solution in the aerosol.

<Attaching the connection aid 10 to the rubber plug 12>
As shown in FIG. 4, the rubber plug 12 that seals the container 11 that stores the chemical solution is expanded as the inner wall of the locking member 15 that defines the opening 22 for locking the rubber plug 12 is expanded. By attaching to 22, the connection aid 10 is attached to the rubber plug 12. The inner wall that defines the opening 22 for locking the rubber plug 12 locks the rubber plug 12 by tightening the rubber plug 12. Alternatively, the connection auxiliary portion 10 is attached to the rubber plug 12 by fitting the inner wall of the locking member 15 that defines the opening 22 for locking the rubber plug 12 to the specific rubber plug 12.

<Penetration of bottle needle into rubber stopper 12>
As shown in FIG. 5, the needle 13 for penetrating the rubber plug 12 is penetrated through the second elastic membrane 18 of the connection aid 10. The outer skin member 14 is deformed in a state where the needle 13 is penetrated through the second elastic membrane 18, and the needle 13 is penetrated through the rubber plug 12 through the first elastic membrane 17 as shown in FIG. 6. By causing the needle 13 to penetrate the rubber stopper 12, the drug solution is administered to the patient through the hollow portion of the needle 13.

<Replacement of container 11>
When additional infusion is required, the rubber stopper 12 of another container 11 is inserted into another opening 22 as shown in FIG. 7 and as described above. Next, with the needle 13 being pierced through the second elastic membrane 18, the needle 13 is pulled out only from the rubber plug 12 and the first elastic membrane 17 through which the needle 13 is pierced, and as shown in FIG. By deforming the member 14, the needle 13 is pierced through the rubber plug 12 of another container 11 through the first elastic membrane 17.

  According to the connection aid of the present embodiment configured as described above, the removal of the needle from the rubber stopper 12 and the replacement of the bottle needle can be performed in a closed environment in the outer skin member 14, so that the chemical solution is scattered when the container 111 is replaced. Can be prevented.

  Further, according to the connection aid of the present embodiment, since it has at least one of the first elastic film 17 and the second elastic film 18, the possibility of leakage of the chemical liquid from the outer skin member 14 is further reduced. .

  Further, according to the connection aid of the present embodiment, the rubber plug 12 is locked by the locking member 15, so that a medical worker can connect the connection aid 10 during the procedure of penetrating the needle 13 into the rubber plug 12. The procedure does not need to be fixed to the container 11 and the procedure becomes easy.

  In addition, according to the connection assisting tool of the present embodiment, the locking of the rubber plug 12 by the locking member 15 is executed by the inner wall that defines the opening 22 expanded by elastic deformation, so that the structure is simplified. The Alternatively, according to the connection aid of the present embodiment, the locking of the rubber plug 12 by the locking member 15 is performed by the inner wall that defines the opening 22 of the locking member 15 that is a hard material and is fitted to the rubber plug 12. Since it is executed, the structure can be simplified.

  Further, according to the connection aid of the present embodiment, since a plurality of rubber plugs 12 can be arranged in the arrangement area AA, unlike the configuration in which only a single rubber plug 12 can be arranged, the locking member before the replacement of the container 11 The procedure of removing the rubber stopper 12 from the step 15 is not necessary, and can contribute to quick replacement of the container 11.

  Further, according to the connection aid of the present embodiment, the outer skin member 14 defines the opening 20 that can communicate with the external space through the opening 23 for providing the adsorption filter 19. The change of the internal pressure is suppressed with respect to the volume change of the space IS, and the deformation of the outer skin member 14 is easy. Furthermore, according to the connection aid of the present embodiment, since the adsorption filter 19 is disposed in the opening 20, the fine particles of the chemical solution are adsorbed from the aerosol generated in the internal space IS when the container 11 is replaced, and the outer skin member The exposure of the drug solution to the exterior of 14 can be reduced. The position at which the adsorption filter 19 is disposed may be in an opening communicating with the external space, and may be in an opening partitioned at a different position unrelated to the opening 23 defined by the locking member 15. Good.

Although the present invention has been described based on the drawings and examples, it should be noted that those skilled in the art can easily make various modifications and corrections based on the present disclosure. Therefore, it should be noted that these variations and modifications are included in the scope of the present invention.

  For example, in the present embodiment, the connection aid 10 includes the first elastic film 17 and the second elastic film 18, but may be configured to be integrated with the outer skin member 14. For example, the outer skin member 14 is formed of an elastic material, and the thickness of the arrangement area AA and the penetration area PA is formed so that the needle 13 can be penetrated, thereby integrating the elastic film with the outer skin member 14. Is possible.

DESCRIPTION OF SYMBOLS 10 Connection aid 11 Container 12 Rubber plug 13 Needle 14 Outer member 15 Locking member 16 Fixing member 17 1st elastic film 18 2nd elastic film 19 Adsorption filter 20 Opening of arrangement | positioning area 21 Opening of penetration area 22 Rubber plug Opening for locking 23 Opening for providing an adsorption filter 24 Opening for providing a second elastic membrane AA Arrangement area IS Internal space PA Penetration area

Claims (7)

An arrangement region in which a rubber plug that seals the container is arranged, and a penetration region in which a needle penetrates the rubber plug at a position opposite to the arrangement region, an internal space is defined, and a deformable skin member is provided. A connection aid characterized by. The connection aid according to claim 1, wherein an elastic film is provided on at least one of the arrangement region and the penetration region. The connection aid according to claim 1, further comprising a locking member that locks the rubber stopper in the arrangement region. The said locking member defines the opening for latching the said rubber stopper, The inner wall which divides this opening pushed and expanded by elastic deformation latches the said rubber stopper. The connection aid described in 1. The connection assisting tool according to any one of claims 1 to 4, wherein a plurality of rubber stoppers can be arranged in the arrangement region. The connection aid according to any one of claims 1 to 5, wherein the outer skin member defines an opening communicating from the inner space to the outer space. The connection aid according to claim 6, further comprising an adsorption filter that is provided in an opening defined in the outer skin member and adsorbs fine particles.

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