JP7087798B2 - Medical container - Google Patents

Description

The present invention relates to a medical container, and in particular, medical treatment capable of communicating the first container and the second container and mixing the contents contained in the first container and the contents contained in the second container. Regarding containers.

In medical institutions such as hospitals, a dry drug (second agent) contained in a drug container such as a vial is dissolved in a solution (first agent) such as distilled water, physiological saline, and glucose solution to form a liquid. The chemical is adjusted and this liquid chemical is used for infusion and the like.

In order to easily adjust such liquid chemicals, the drug container containing the dry drug is connected in series to the infusion container containing the solution, and the insides of these two containers are communicated with each other during use. The medical container is disclosed in Japanese Patent Application Laid-Open No. 8-126683 (Patent Document 1).

In the medical container disclosed in Patent Document 1, a double-ended needle for communicating the drug container and the infusion container and a vial guide holding the drug container are housed in a guide tube for guiding the downward slide of the vial guide. ing. When the cap that seals the open end of the guide tube located on the side opposite to the infusion container side is rotated, the vial guide moves downward and the stopper that seals the mouth of the drug container is on one side of the double-ended needle. It is pierced by the puncture needle. When the cap is further rotated, the vial guide and the double-ended needle move downward as a unit, and the thin film that closes the communication port of the infusion container is punctured by the puncture needle on the other side of the double-ended needle. As a result, the drug container and the infusion container communicate with each other.

A hanging means is provided on the top surface of the cap, and the medical container can be hung by using the hanging means. With the medical container suspended, the liquid drug prepared by the dry drug in the drug container and the solution in the infusion container is taken out from the infusion container.

Japanese Unexamined Patent Publication No. 8-126683

However, in the medical container disclosed in Patent Document 1, the hanging means is in a state where it can be used at all times. Therefore, if the medical container is hung by a hanging means before the vial guide is moved to communicate the drug container and the infusion container, the dry drug and the solution are not prepared. Therefore, it is possible that only the liquid agent contained in the infusion container is taken out.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a medical container capable of taking out a mixture of a first agent and a second agent. ..

The medical container according to the present invention has a first container having an outlet on one end side and a first mouth portion closed by a closing membrane on the other end side, and the first mouth portion of the first container. It is provided with a mounted transfer tool and a second container having a second port portion and the second port portion sealed with an elastic sealing membrane. The first container contains the first agent, and the second container contains the second agent. The transfer tool has a cylinder having a mounting portion to be mounted on the first opening on one end side and an opening on the other end side, and the second opening facing the first opening. Holds the second container and slides along the direction parallel to the axial direction of the holding member arranged inside the cylinder so as to be slidable along the direction parallel to the axial direction of the cylinder. A double-headed needle that is movably arranged inside the cylinder of a portion located between the first mouth and the second mouth, and for communicating the inside of the first container and the inside of the second container. And a cap provided on the other end side of the cylinder and covering the opening. The double-headed needle has a first puncture needle that pierces the elastic sealing membrane and a second puncture needle that pierces the closing membrane. The cap has a main body portion that rotatably covers the opening portion around the axis of the cylinder body, and a hanging member held by the main body portion so as to rotate integrally with the main body portion. .. The main body portion has a pushing portion that pushes the holding member toward the one end side of the tubular body in accordance with a rotational operation. The suspending member is movably provided from a first position where the transfer tool cannot be suspended to a second position where the transfer tool can be suspended. The medical container further includes a movement restricting unit that restricts the movement of the suspending member from the first position to the second position so as to be released. The elastic sealing is performed by integrally rotating the main body portion and the suspending member and pushing the holding member for holding the second container by the pushing portion toward the one end side of the cylinder. With the membrane pierced by the first puncture needle and the closing membrane pierced by the second puncture needle, from the first position to the second position by the movement restricting unit. The movement restriction of the above-mentioned hanging member is lifted.

In the medical container based on the present invention, even if the suspension member is restricted from moving along the direction parallel to the axial direction so as to be separated from the cylinder by the movement restricting unit. good. In this case, the outer peripheral surface of the cylinder may be provided with a protruding piece portion that projects outward in the radial direction of the cylinder and extends along the circumferential direction of the cylinder. The suspending member overlaps the facing portion facing the outer peripheral surface of the cylinder in the state of being located at the first position and the protruding piece portion in the axial direction from the one end side of the cylinder. It may have a protrusion protruding from the facing portion toward the outer peripheral surface of the cylinder. In this case, it is preferable that the protruding piece portion is provided with a notch portion through which the protrusion portion can pass along the axial direction, and the movement restricting portion includes the protruding piece portion and the protrusion. It is preferably composed of parts. Further, with the integral rotation operation of the main body portion and the suspending member, the protrusion portion moves from the position where the protrusion portion overlaps with the protrusion piece portion in the axial direction to the position where the protrusion portion overlaps with the notch portion. It is preferable that the movement restriction of the suspension member from the first position to the second position is released by the movement restriction unit.

In the medical container based on the present invention, even if the hanging member is restricted from moving in a direction parallel to the axial direction with respect to the main body portion by the movement restricting portion. good. In this case, the suspending member is located on the base portion facing the outer peripheral surface of the main body portion and the one end side of the tubular body with respect to the base portion in the axial direction, and the base portion in the axial direction. It may have a connecting body connected to the base so as to form a gap between them. Further, the outer peripheral surface of the main body may be provided with a protruding portion that protrudes so as to enter the gap. In this case, it is preferable that the connecting body has a fragile portion that can be broken and extends along the circumferential direction of the tubular body so as to face the outer peripheral surface of the tubular body. It is preferable that the outer peripheral surface has an abutting portion that projects toward the connecting body and abuts on the connecting body. Further, the abutting portion slides on the inner peripheral surface of the connecting body and moves toward the fragile portion as the main body portion and the suspending member integrally rotate, and the fragile portion moves. It is preferable that the movement restriction of the hanging member from the first position to the second position is released by the movement restricting unit by breaking.

In the medical container based on the present invention, the holding member and the holding member are in a state where the elastic sealing membrane is pierced by the first puncture needle and the closing membrane is pierced by the second puncture needle. When the main body reaches the rotation end point position where the movement of the double-ended needle toward the one end side of the cylinder is restricted, the movement restricting unit moves the needle from the first position to the second position. It is preferable that the movement restriction of the hanging member is lifted.

According to the present invention, it is possible to provide a medical container capable of taking out a mixture of a first agent and a second agent.

It is a perspective view of the medical container which shows the state before the inside of an infusion container and the inside of a drug container communicate with each other in the medical container which concerns on Embodiment 1. FIG. It is an exploded perspective view of the medical container shown in FIG. 1. It is sectional drawing of the medical container along the line III-III shown in FIG. It is a partially exploded perspective view of the medical container shown in FIG. 1. It is a perspective view which shows the main body part of the holding member and a cap part provided in the medical container shown in FIG. It is sectional drawing of the cylinder in the state which the double-headed needle is stored in the medical container shown in FIG. It is a perspective view of the cylinder provided in the medical container shown in FIG. 1. It is sectional drawing which shows the state of the movement control part before communicating with the inside of an infusion container and the inside of a drug container in the medical container which concerns on Embodiment 1. FIG. It is sectional drawing of the medical container which shows the state after the inside of the infusion container and the inside of a drug container are communicated with each other in the medical container which concerns on Embodiment 1. FIG. It is sectional drawing which shows the state of the movement control part after communicating with the inside of an infusion container and the inside of a drug container in the medical container which concerns on Embodiment 1. FIG. It is a front view of the medical container which shows the state which moved the hanging member after the movement restriction by the movement regulation part was lifted in the medical container which concerns on Embodiment 1. FIG. It is a perspective view which shows the structure around the cap in the state before the inside of an infusion container and the inside of a drug container communicate with each other in the medical container which concerns on Embodiment 2. FIG. It is an exploded perspective view of the cap of the medical container provided in the medical container which concerns on Embodiment 2. FIG. It is a perspective view of the medical container which shows the state after the inside of an infusion container and the inside of a drug container are communicated with each other in the medical container which concerns on Embodiment 2. FIG. It is a perspective view of the medical container which shows the state which moved the hanging member after the movement restriction by the movement regulation part was lifted in the medical container which concerns on Embodiment 2. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the embodiments shown below, the same or common parts are designated by the same reference numerals in the drawings, and the description thereof will not be repeated.

(Embodiment 1)
FIG. 1 is a perspective view of the medical container according to the first embodiment, showing a state before the inside of the infusion container and the inside of the drug container are communicated with each other. FIG. 2 is an exploded perspective view of the medical container shown in FIG. FIG. 3 is a cross-sectional view of a medical container along lines III-III shown in FIG. The medical container 1 according to the first embodiment will be described with reference to FIGS. 1 to 3.

The medical container 1 according to the first embodiment is a solution as a first agent contained in an infusion container 10 as a first container and a drug as a second agent contained in a drug container 20 as a second container. It is a medical device for preparing a liquid drug by mixing with.

As shown in FIGS. 1 to 3, the medical container 1 includes an infusion container 10 as a first container, a drug container 20 as a second container, and a transfer tool 30.

The infusion container 10 contains the solution as the first agent. The dissolution liquid is a liquid for dissolving a drying agent as a second agent, which will be described later. The infusion container 10 includes an infusion container body 101, a closing membrane 104, and a sealing member 110.

The infusion container main body 101 has an outlet 102 on one end side and a first port 103 on the other end side. The first mouth portion 103 is closed by the closing membrane 104. On the outer peripheral surface of the first opening 103, a mounted portion 105 on which the mounting portion 311 of the transfer tool 30, which will be described later, is mounted is provided. The mounted portion 105 is composed of, for example, a rib extending in a spiral shape.

The sealing member 110 closes the outlet 102. The sealing member 110 has an elastic stopper 112. By puncturing the elastic plug with a puncture needle, the liquid agent in the infusion container 10 can be taken out from the take-out port 102.

Specifically, the sealing member 110 has an outer shell member 111, an elastic plug 112, and a cover 113. The outer shell member 111 has a cylindrical shape. The outer shell member 111 has a flange portion 111a facing the end portion of the infusion container main body 101. The flange portion 111a is liquid-tightly fixed to the end portion of the infusion container main body 101. The elastic plug 112 is arranged in the outer shell member 111 so as to close the opening of the outer shell member 111. The cover body 113 covers the elastic plug body 112 of the portion exposed to the outside from the outer shell member 111. The cover body 113 is detachably fixed to the outer shell member 111.

As will be described later, when the liquid drug in the infusion container 10 is taken out after adjusting the liquid drug, the cover body 113 is removed from the outer shell member 111, and the puncture needle attached to the tube or the like is punctured into the elastic plug body 112. .. This enables infusion using a liquid chemical.

The drug container 20 contains a dry drug as a second agent. The drug container 20 includes a drug container body 201 and an elastic sealing film 203. The drug container body 201 has a second mouth portion 202. The second opening 202 is sealed with an elastic sealing film 203.

As the elastic sealing film 203, for example, a rubber member or a thermoplastic elastomer resin can be adopted. As a result, even if the puncture needle punctured by the elastic sealing film 203 is pulled out, the second opening portion 202 can be put into the sealing state again.

The transfer tool 30 is a device used to communicate the inside of the infusion container 10 and the inside of the drug container 20 to mix the solution in the infusion container 10 and the dry drug in the drug container 20. The transfer tool 30 includes a cylinder 31, a holding member 32, a double-headed needle 33, a cap 34, a sealing member 37, and a sealing member 319.

The tubular body 31 has a substantially cylindrical shape and has one end 31a and the other end 31b. On one end 31a side of the tubular body 31, a mounting portion 311 to be mounted on the first opening portion 103 of the infusion container 10 is provided. The mounting portion 311 is provided so as to be screwable to the spiral rib provided in the first port 103 of the infusion container 10. An opening 31c is provided on the other end 31b side of the tubular body 31. The double-ended needle 33 and the holding member 32 are inserted into the tubular body 31 through the opening 31c.

Inside the tubular body 31, a partition wall 315 that partitions one end 31a side and the other end 31b side is provided. A through hole 316 through which the second puncture needle 332 of the double-headed needle 33, which will be described later, can pass is provided in the central portion of the partition wall 315.

A seal member 319 is provided at the center of the main surface of the partition wall 315 located on the one end 31a side of the tubular body 31. The sealing member 319 seals the space between the periphery of the first opening 103 of the infusion container 10 in the vicinity of the closing membrane 104 and the partition wall 315. Thereby, even when the closing membrane 104 is punctured by the puncture needle 332 as described later, it is possible to prevent the liquid agent from leaking to the outside from the closing membrane 104.

The seal member 319 is composed of an elastic member having a cylindrical shape. A hole through which the second puncture needle 332 can pass is provided in the central portion of the seal member 319. The hole portion communicates with the through hole 316. The inner peripheral surface of the seal member 319 that defines the hole portion is in close contact with the outer peripheral surface of the second puncture needle 332. This makes it possible to prevent the liquid agent from leaking to the outside from the punctured closing membrane 104.

Further, the inner peripheral surface of the seal member 319 is in close contact with the outer peripheral surface of the second puncture needle 332, so that the posture of the second puncture needle 332 can be stabilized. As a result, the double-ended needle 33 can be stably moved when the inside of the infusion container 10 and the inside of the drug container 20 are communicated with each other as described later.

The tubular body 31 is made of a flexible resin such as polyethylene, polypropylene, polyester, polyvinyl chloride, and polycarbonate ABS resin.

The holding member 32 is a member that holds the drug container 20. The holding member 32 holds the drug container 20 so that the second port 202 of the drug container 20 faces the first port 103 of the infusion container 10. The holding member 32 is arranged inside the cylinder 31 so as to be slidable along a direction parallel to the axial direction of the cylinder 31.

The holding member 32 has a holding portion 321, a base portion 322, and a pair of connecting portions 323. The holding portion 321 is arranged on one end 32a side of the holding member 32, and the base portion 322 is arranged on the other end 32b side of the holding member 32.

The holding portion 321 has a substantially C-shape when viewed from the direction in which the holding portion 321 and the base portion 322 are arranged side by side. The holding portion 321 is provided with an opening portion 321a opened in a direction intersecting (more specifically, a direction orthogonal to each other) the direction in which the holding portion 321 and the base portion 322 are arranged. The opening portion 321a is configured so that the second opening portion 202 of the drug container 20 can be press-fitted. The drug container 20 is held by the holding member 32 by press-fitting the second port 202 into the open portion 321a.

The base portion 322 has a substantially disk shape when viewed from the direction in which the holding portion 321 and the base portion 322 are arranged side by side. The base portion 322 is arranged apart from the holding portion 321. Between the holding portion 321 and the base portion 322, the portion from the root side of the second opening portion 202 of the drug container 20 to the bottom of the drug container 20 is accommodated.

The pair of connecting portions 323 connect the holding portion 321 and the base portion 322. The pair of connecting portions 323 have a substantially plate-like shape. The pair of connecting portions 323 are provided so as to face each other in a direction orthogonal to the opening direction of the opening portion 321a. On the outer surface of the pair of connecting portions 323, a guided portion 324 guided by a guide rib 312 (see FIG. 6) described later is provided.

The double-headed needle 33 is a communication member for communicating the inside of the infusion container 10 and the inside of the drug container 20. The double-ended needle 33 is arranged inside the tubular body 31 so as to be slidable along a direction parallel to the axial direction of the tubular body 31. The double-headed needle 33 is arranged in the tubular body 31 of the portion located between the first mouth portion 103 of the infusion container 10 and the second mouth portion 202 of the drug container 20.

The double-ended needle 33 includes a first puncture needle 331, a second puncture needle 332, a hub 333, and an arm portion 334. The hub 333 has a substantially cross-shaped plate shape. A first puncture needle 331 and a second puncture needle 332 are provided in the central portion of the hub 333.

The first puncture needle 331 and the second puncture needle 332 extend along the plate thickness direction of the hub 333. The first puncture needle 331 extends toward one side in the plate thickness direction. The second puncture needle 332 extends toward the other side in the plate thickness direction. In the state where the double-headed needle 33 is arranged in the tubular body 31, the plate thickness direction of the hub 333 is parallel to the axial direction of the tubular body 31. The first puncture needle 331 and the second puncture needle 332 are provided with a hollow conduit.

The first puncture needle 331 is for penetrating the elastic sealing film 203 of the drug container 20. The first puncture needle 331 faces the other end 31b side of the tubular body 31 with the double-ended needle 33 housed in the tubular body 31.

The second puncture needle 332 is for penetrating the closing membrane 104 of the infusion container 10. The second puncture needle 332 faces one end 31a side of the tubular body 31 with the double-ended needle 33 housed in the tubular body 31.

The arm portion 334 is provided so as to stand up from the tip end side of the hub 333. The arm portion 334 stands up toward the other end 31b side of the tubular body 31 with the double-ended needle 33 housed in the tubular body 31. The arm portion 334 is provided so as to fit into a guide groove 313 (see FIG. 6) located between the guide ribs 312 described later. The tip end side of the arm portion 334 is slidably provided on the inner peripheral surface 310b (see FIG. 6) of the tubular body 31.

The cap 34 is provided on the other end 31b side of the tubular body 31. The cap 34 covers the opening 31c of the tubular body 31. The cap 34 is attached to the other end 31b of the tubular body 31.

The cap 34 has a main body portion 35 and a hanging member 36. The main body 35 has a bottomed cylindrical shape that opens in one direction. The main body 35 covers the opening 31c so as to be rotatable around the axis of the cylinder 31. The main body portion 35 has a first cylindrical portion 351 and a second tubular portion 352, and a connecting portion 353.

The first cylindrical portion 351 constitutes the open end side of the main body portion 35. The inner diameter of the first tubular portion 351 is larger than the inner diameter of the second tubular portion 352. The first tubular portion 351 is configured to accommodate the other end 31b side of the tubular body 31. The first tubular portion 351 covers the outer peripheral surface 310a of the tubular body 31 on the other end 31b side of the tubular body 31. The first tubular portion 351 faces the outer peripheral surface 310a of the tubular body 31 on the other end 31b side of the protruding piece portion 314 of the tubular body 31, which will be described later.

The second cylindrical portion 352 constitutes an end portion side opposite to the open end side of the main body portion 35. The second tubular portion 352 has a bottomed tubular shape. The inner diameter of the second tubular portion 352 is smaller than the inner diameter of the first tubular portion 351.

One end side of the second cylindrical portion 352 located on the side of the first tubular portion 351 is inserted into the first tubular portion 351. As a result, a space is formed between one end side of the second tubular portion 352 and the first tubular portion 351. In the state where the main body portion 35 is assembled to the tubular body 31, the other end 31b side of the tubular body 31 enters the space. As a result, the main body portion 35 can be stably rotated around the axis of the tubular body 31.

The second cylindrical portion 352 is provided with an accommodating portion 354 for accommodating the suspending portion 362 of the suspending member 36 described later. The accommodating portion 354 is formed by a pair of ribs 355 provided so as to project outward from the outer surface of the second tubular portion 352. The pair of ribs 355 extend along a direction parallel to the axial direction of the second tubular portion 352. The suspension portion 362 is accommodated in the gap between the pair of ribs 355.

Further, a retaining portion 356 is provided on the outer surface of the second tubular portion 352. When the suspending member 36 slides with respect to the main body 35 as described later, the retaining portion 356 abuts on the other end 361b of the base portion 361 described below, so that the suspending member 36 comes off from the main body 35. Prevent it from being lost.

The connecting portion 353 connects the first cylindrical portion 351 and the second tubular portion 352. The connection portion 353 has an annular shape. In a state where the main body portion 35 is assembled to the tubular body 31, a sealing member 37 such as a packing is sandwiched between the connecting portion 353 and the other end 31b of the tubular body 31. As a result, the main body 35 is liquid-tightly assembled to the cylinder 31.

The hanging member 36 is held by the main body 35 so as to rotate integrally with the main body 35. The hanging member 36 is arranged on the outside of the main body 35. The hanging member 36 is provided so as to be slidable with respect to the main body portion 35. The suspending member 36 can slide and move along a direction parallel to the axial direction of the tubular body 31.

As will be described later, the suspending member 36 is provided so as to be movable from a first position where the transfer tool 30 cannot be suspended to a second position where the transfer tool 30 can be suspended. The first position is a position where the hanging hole 362a of the hanging portion 362, which will be described later, is closed. The second position is the position where the hanging hole 362a is opened.

The movement of the suspending member 36 from the first position to the second position is undoubtedly restricted by the movement restricting unit 40 (see FIG. 8) described later.

The hanging member 36 has a base portion 361 and a hanging portion 362. The base 361 has a cylindrical shape. The base portion 361 is configured so as to be able to surround the first tubular portion 351. The inner surface of the base portion 361 is provided with a groove portion into which a pair of ribs 355 provided in the main body portion 35 can be inserted. By inserting the pair of ribs 355 into the groove portion, the suspension member 36 is prevented from rotating relative to the main body portion 35. As a result, when the hanging member 36 or the main body 35 is rotated, the hanging member 36 and the main body 35 are rotated integrally.

A ring portion 365 as an opposing portion is provided on one end side of the base portion 361. The inner diameter of the ring portion 365 is larger than the inner diameter of the base portion 361. Further, the outer diameter of the ring portion 365 is larger than the outer diameter of the base portion 361.

The hanging portion 362 is provided on the other end 361b side of the base portion 361. The hanging portion 362 is provided so as to bridge the tubular hole of the base portion 361. The hanging portion 362 is provided so as to bulge from the other end 361b of the base portion 361 toward the side opposite to the one end side of the base portion 361.

When the hanging portion 362 is housed in the accommodating portion 354 of the main body portion 35, the hanging portion 362a is closed. On the other hand, when the hanging portion 362 is not accommodated in the accommodating portion 354 and the suspending portion 362 is slid away from the main body portion 35, the hanging portion 362a is opened.

FIG. 4 is a partially exploded perspective view of the medical container shown in FIG. With reference to FIG. 4, the accommodating state of the holding member 32 before communicating the inside of the infusion container 10 and the inside of the drug container 20 will be described.

As shown in FIG. 4, before the inside of the infusion container 10 and the inside of the drug container 20 are communicated with each other, one end 32a side of the holding member is housed in the tubular body 31, and the other end 32b side of the holding member 32 is. , Protruding from the other end 31b of the tubular body 31. The other end 32b of the holding member 32 is housed inside the main body 35.

With the other end 32b of the holding member 32 housed inside the main body 35, the holding member 32 is moved to one end 31a side of the cylinder 31 by rotating the main body 35 around the axis of the cylinder 31. It will be pushed toward.

FIG. 5 is a perspective view showing the main body of the holding member and the cap portion provided in the medical container shown in FIG. 1. A mechanism for pushing the holding member 32 will be described with reference to FIG.

As shown in FIG. 5, the main body portion 35 has a pushing portion 357 that pushes the holding member 32 toward one end 31a side of the tubular body 31 in accordance with the rotational operation. For example, two pushing portions 357 are provided. The two pushing portions 357 are provided at a pitch of 180 ° in the circumferential direction.

The pushing portion 357 is composed of a spiral rib provided on the inner peripheral surface of the main body portion 35. The number of windings of the spiral rib is about 0.5 turns. The spiral rib is provided, for example, in the direction of a left-hand thread.

The holding member 32 has a pushed portion 325 that is pushed by the pushed portion 357. The pushed portion 325 is provided corresponding to the number of pushed portions 357. The pushed portion 325 is provided on the outer peripheral surface of the base portion 322. The pushed portion 325 is slidably formed on the spiral rib.

The pushed portion 325 is pushed by the pushed portion 357 by rotating the main body portion 35 in the direction opposite to the winding direction (left-handed screw direction) of the spiral rib (right-handed rotation direction). As a result, the holding member 32 is pushed toward one end 31a side of the tubular body 31.

FIG. 6 is a cross-sectional view of a cylinder in a state where a double-ended needle is housed in the medical container shown in FIG. As shown in FIG. 6, before communicating the inside of the infusion container 10 and the inside of the drug container 20, the double-ended needle 33 is housed in the tubular body 31 with the hub 333 separated from the partition wall 315. There is. In this state, the second puncture needle 332 of the double-headed needle 33 is inserted through the through hole 316 of the partition wall 315, and the tip of the second puncture needle 332 faces the closing membrane 104.

The arm portion 334 of the double-ended needle 33 is inserted between the pair of guide ribs 312. As a result, the pair of guide ribs 312 prevents the double-ended needle 33 from rotating relative to the tubular body 31. It should be noted that four pairs of guide ribs 312 are provided at a pitch of 90 ° in the circumferential direction of the tubular body 31 according to the number and arrangement of the arm portions 334.

The arm portion 334 of the double-headed needle 33 is provided so that the holding portion 321 of the holding member 32 can be received from the upper side (the other end 31b side of the tubular body 31). The double-ended needle 33 is provided so as to move toward one end 31a of the cylinder 31 when a predetermined force or more is applied toward one end 31a of the cylinder 31.

FIG. 7 is a perspective view of a cylinder provided in the medical container shown in FIG. A specific configuration of the protruding piece portion 314 of the tubular body 31 will be described with reference to FIG. 7.

As shown in FIG. 7, the protruding piece portion 314 is provided at a position closer to the other end 31b of the tubular body 31. The projecting piece portion 314 projects outward in the radial direction of the tubular body 31 and extends along the circumferential direction of the tubular body 31. The protruding piece portion 314 is provided over the entire circumference along the outer peripheral surface of the tubular body 31.

The protruding piece portion 314 is provided with a notch portion 317. The notch 317 is provided with a protrusion 366 provided on the ring portion 365, which will be described later, so that it can pass through.

FIG. 8 is a cross-sectional view showing a state of the movement control unit before communicating the inside of the infusion container and the inside of the drug container in the medical container according to the first embodiment. The movement control unit 40 will be described with reference to FIG.

As shown in FIG. 8, the medical container 1 includes a movement control unit 40. The movement restricting unit 40 changes from a state in which the suspending portion 362 is accommodated in the accommodating portion 354 and the suspending hole 362a closed to a state in which the suspending portion 362 is exposed from the accommodating portion 354 and the suspending hole 362a is opened. The movement of the hanging member 36 is restricted so that it can be released. That is, the movement restricting unit 40 restricts the movement of the transfer tool 30 from the first position where the transfer tool 30 cannot be suspended to the second position where the transfer tool 30 can be suspended.

The movement restricting portion 40 is composed of the above-mentioned protruding piece portion 314 and the protruding portion 366. The protrusion 366 is provided on the ring portion 365.

The ring portion 365 is a cylinder rather than the first tubular portion 351 when the suspension portion 362 is accommodated in the accommodating portion 354 before the inside of the infusion container 10 and the inside of the drug container 20 are communicated with each other. It is located on one end 31a side of the body 31. As a result, the ring portion 365 faces the outer peripheral surface 310a of the tubular body 31. Further, the tip of the ring portion 365 is located closer to one end 31a of the tubular body 31 than the protruding piece portion 314.

The protrusion 366 projects from the inner peripheral surface of the ring portion 365 toward the outer peripheral surface 310a of the cylinder 31 so as to overlap the protruding piece portion 314 in the axial direction of the cylinder 31 from one end side of the cylinder 31. In the state where the protrusion 366 overlaps the protrusion 314 from one end 31a side of the cylinder 31, the suspending member 36 moves along the direction parallel to the axial direction of the cylinder 31 so as to be separated from the cylinder 31. In the case, the protrusion 366 abuts on the protrusion 314. This restricts the movement of the hanging member 36.

FIG. 9 is a cross-sectional view of the medical container according to the first embodiment, showing a state after the inside of the infusion container and the inside of the drug container are communicated with each other. The communication operation between the infusion container 10 and the drug container will be described with reference to FIGS. 3 and 9.

Before communicating the inside of the infusion container 10 and the inside of the drug container 20, as shown in FIG. 3, the hanging portion 362 is in a state of being accommodated in the accommodating portion 354, and the transfer tool 30 is suspended. It is impossible.

In this state, the user grips the tubular body 31 with one hand and rotates the base portion 361 of the hanging member 36 clockwise with the other hand. When the base portion 361 of the hanging member 36 is rotated, the hanging member 36 and the main body portion 35 rotate integrally. As the main body 35 rotates, the pushed portion 357 (see FIG. 5) of the main body 35 slides on the pushed portion 325 of the holding member 32.

Here, the holding member 32 is housed in the cylinder 31 with the guided portion 324 inserted between the pair of guide ribs 312 (see FIG. 6) extending along the axial direction of the cylinder 31. .. Therefore, the pair of guide ribs 312 prevents the holding member 32 from rotating relative to the tubular body 31.

When the pushing portion 357 slides on the pushed portion 325 while the rotation of the holding member 32 is restricted, the holding member 32 is pushed toward one end 31a side of the tubular body 31. At this time, the movement of the holding member 32 is guided by the pair of guide ribs 312, and the holding member 32 moves along the direction parallel to the axial direction of the tubular body 31.

When the holding member 32 is guided by the pair of guide ribs 312 and slides toward one end 31a of the tubular body 31, the elastic sealing film 203 of the drug container 20 held by the holding member 32 is pierced by the first puncture needle 331. Ru.

At this time, a force equal to or higher than the predetermined value is applied to the double-headed needle 33 toward one end 31a of the tubular body 31, and the double-headed needle 33 moves toward one end 31a of the tubular body 31 together with the holding member 32. As the double-ended needle 33 further moves toward one end 31a of the tubular body 31, the second puncture needle 332 pierces the closing membrane 104 of the infusion container 10 as shown in FIG. As a result, the inside of the infusion container 10 and the inside of the drug container 20 communicate with each other. As a result, the liquid drug can be prepared by mixing the solution in the infusion container 10 with the dry drug in the drug container 20.

The movement of the holding member 32 and the double-headed needle 33 toward one end 31a of the tubular body 31 is restricted by the hub 333 of the double-headed needle 33 abutting against the partition wall 315 of the tubular body 31. In such a state, the rotation of the main body 35 is completed.

FIG. 10 is a cross-sectional view showing a state of the movement control unit after communicating the inside of the infusion container and the inside of the drug container in the medical container according to the first embodiment. With reference to FIG. 10, the state of the movement restricting unit 40 after communicating the inside of the infusion container 10 and the inside of the drug container 20 will be described.

The inside of the infusion container 10 and the inside of the drug container 20 are communicated with each other, that is, the elastic sealing membrane 203 is pierced by the first puncture needle 331, and the closing membrane 104 is pierced by the second puncture needle 332. In this state, the suspending member 36 rotates around the axis of the cylinder 31 from the initial position. As a result, the protrusion 366 of the suspension member 36 rotates with respect to the protrusion 314 of the tubular body 31 and overlaps the notch 317 as shown in FIG. By overlapping the protrusion 366 with the notch 317, the movement restriction of the hanging member 36 by the movement restriction portion 40 is released.

The movement restriction of the suspending member 36 is released by the movement restricting unit 40 in a state where the elastic sealing film 203 is pierced by the first puncture needle 331 and the closing film 104 is pierced by the second puncture needle 332. Therefore, it is preferable that the main body 35 is released when the main body portion 35 reaches the rotation end point position where the movement of the holding member 32 and the double-headed needle 33 toward the one end 31a side of the tubular body 31 is restricted.

In this case, by rotating the main body 35 to the end point position, the notch 317 and the protrusion 366 overlap, and the notch 317 and the protrusion 366 can be easily aligned. Can be done.

FIG. 11 is a front view of the medical container according to the first embodiment, showing a state in which the hanging member is moved after the movement restriction by the movement restriction unit is lifted.

After the movement restriction of the hanging member 36 is lifted, as shown in FIG. 11, the suspension member 36 can be moved along the direction parallel to the axial direction of the cylinder 31 so as to be separated from the cylinder 31. As a result, a gap is formed between the hanging portion 362 and the main body portion 35, and the hanging hole 362a is opened. As a result, the medical container 1 can be suspended by using the suspending member 36, and the prepared liquid chemical can be taken out from the outlet 102 of the infusion container 10.

As described above, in the medical container 1 according to the first embodiment, the main body portion 35 and the hanging member 36 are integrally rotated, and the drug container is provided by the pushing portion 357 provided in the main body portion 35. By pushing the holding member 32 holding the 20 toward one end 31a side of the tubular body 31, the elastic sealing membrane 203 of the drug container 20 is pierced by the first puncture needle 331, and the infusion container 10 is closed. With the membrane 104 being pierced by the second puncture needle 332, the movement restriction of the hanging member 36 by the movement restriction unit 40 is released.

As a result, the infusion container 10 and the drug container 20 communicate with each other, and the suspending member 36 cannot be suspended in a state where the solution in the infusion container 10 and the dry drug in the drug container 20 are mixed. It can be moved from one position to a second position where it can be suspended.

As a result, the medical container 1 is suspended in a state where the mixture (liquid chemical) in which the solution and the drying agent are mixed is contained in the infusion container 10, and the liquid chemical is surely discharged from the outlet 102 of the infusion container 10. Can be taken out.

When taking out the liquid chemical, as described above, the cover body 113 of the sealing member 110 that seals the outlet 102 is removed from the outer shell member 111, and the puncture needle attached to the tube is placed in the outer shell member 111. It punctures the placed elastic plug 112. This makes it possible to drip infusion using a liquid chemical.

(Embodiment 2)
FIG. 12 is a perspective view showing the configuration around the cap in the medical container according to the second embodiment in a state before the inside of the infusion container and the inside of the drug container are communicated with each other. FIG. 13 is an exploded perspective view of a cap of a medical container provided in the medical container according to the second embodiment. The medical container 1A according to the second embodiment will be described with reference to FIGS. 12 and 13.

As shown in FIGS. 12 and 13, the medical container 1A has a different configuration of the suspending member 36A, the movement restricting portion 40A, and the tubular body 31A when compared with the medical container 1 according to the first embodiment. do. The other configurations are almost the same.

The suspension member 36A has a different configuration of the ring portion 365A when compared with the suspension member 36 according to the first embodiment.

The ring portion 365A is located on the one end 31a side of the tubular body 31A with respect to the base portion 361 in the axial direction of the tubular body 31A, and the tubular body is formed so that a gap S1 is formed between the ring portion 365A and the base portion 361 in the axial direction of the tubular body 31A. It is connected to 31A. The ring portion 365A is connected to the tubular body 31A by a substantially S-shaped connecting portion 368. The ring portion 365A corresponds to a connecting body connected to the tubular body 31A.

The ring portion 365A faces the outer peripheral surface 310a of the tubular body 31A. The ring portion 365A extends along the circumferential direction of the tubular body 31A. The ring portion 365A is provided over the entire circumference along the outer peripheral surface 310a of the tubular body 31A.

The ring portion 365A has a fragile portion 369 that can be broken. The fragile portion 369 is formed by narrowing the width of the tubular body 31A along the direction parallel to the axial direction with the other portions.

A protruding portion 358 provided on the outer peripheral surface of the main body portion 35 is inserted in the gap S1 formed between the ring portion 365A and the base portion 361. In this state, the suspending member 36A is restricted from moving along the direction parallel to the axial direction of the tubular body 31A with respect to the main body portion 35.

As described above, in the second embodiment, the movement restricting portion 40A is composed of the ring portion 365A and the base portion 361 arranged with the gap S1 and the protruding portion 358 entering the gap S1.

The tubular body 31A is provided with a ridge portion 318 (see FIG. 14) as a contact portion instead of the protruding piece portion 314 when compared with the tubular body 31 according to the first embodiment. The ridge portion 318 projects radially outward of the tubular body 31A from the outer peripheral surface 310a of the tubular body 31A.

The ridge portion 318 has a ring portion 365A from the outer peripheral surface 310a of the tubular body 31A in a state where the main body portion 35 is assembled to the other end 31b side of the tubular body 31A in a state where the hanging portion 362 is accommodated in the accommodating portion 354. Protrudes toward the ring portion 365A and abuts on the ring portion 365A.

FIG. 14 is a perspective view of the medical container according to the second embodiment, showing a state after the inside of the infusion container and the inside of the drug container are communicated with each other. With reference to FIG. 14, the state of the medical container 1A after communicating the inside of the infusion container 10 and the inside of the drug container 20 will be described.

Also in the medical container 1A according to the second embodiment, when the inside of the infusion container 10 and the inside of the drug container 20 are communicated with each other, the hanging member 36A and the main body portion 35 are integrally rotated. The holding member 32 is pushed toward one end side of the tubular body 31A. As a result, the elastic sealing membrane 203 of the drug container 20 is pierced by the first puncture needle 331, and the closing membrane 104 of the infusion container 10 is pierced by the second puncture needle 332.

In this state, the suspending member 36A rotates around the axis of the tubular body 31A from the initial position. As the suspending member 36A rotates, the ridge portion 318 moves toward the fragile portion 369 while sliding on the inner peripheral surface of the ring portion 365A. At this time, a predetermined force is applied to the fragile portion 369, and the fragile portion 369 breaks. As a result, the movement restriction of the hanging member 36A by the movement restriction unit 40A is released.

FIG. 15 is a perspective view of the medical container according to the second embodiment, showing a state in which the hanging member is moved after the movement restriction by the movement restricting unit is lifted.

After the movement restriction of the suspending member 36A is lifted, as shown in FIG. 15, the suspension member 36A can be moved along the direction parallel to the axial direction of the tubular body 31A so as to be separated from the tubular body 31A. As a result, a gap is formed between the hanging portion 362 and the main body portion 35, and the hanging hole 362a is opened. As a result, the medical container 1 can be suspended by using the suspending member 36, and the prepared liquid chemical can be taken out from the outlet 102 of the infusion container 10.

By having the above configuration, even in the medical container 1A according to the second embodiment, substantially the same effect as that of the first embodiment can be obtained.

In the above-described first and second embodiments, the case where the drug container 20 accommodates the dry drug as the second agent as the second container has been described as an example, but the present invention is not limited thereto. The drug container 20 may contain a liquid drug or a solution. In this case, the infusion container 10 as the first container may contain a drying agent instead of the dissolution liquid.

In the above-described first and second embodiments, the case where the ring portions 365 and 365A are provided along the outer peripheral surface 310a of the cylinders 31 and 31A over the entire circumference has been described as an example, but the present invention is limited to this. Not done. The ring portions 365 and 365A may extend along the circumferential direction of the cylinders 31 and 31A, and may not be provided over the entire circumference.

In the above-described first and second embodiments, the case where the hanging member has a base portion and a hanging portion and is configured to be slidable with respect to the main body portion 35 has been described by way of example, but the present invention is limited to this. Not done. For example, the hanging member may be attached to the top plate portion so as to be rotatable around a rotation axis parallel to the top plate portion of the main body portion.

In this case, in the state before the inside of the chemical solution container and the inside of the infusion container are communicated with each other, the hanging member has a substantially U-shape, the root side is attached to the rotation shaft, and the top side is restricted from moving. It is fixed to the cylinder by the part. The movement restricting portion is configured to be broken when the main body portion rotates by a predetermined amount. The movement control portion is broken in a state where the elastic sealing membrane 203 of the drug container 20 is pierced by the first puncture needle 331 and the closing membrane 104 of the infusion container 10 is pierced by the second puncture needle 332. By doing so, the restriction on the rotational movement of the hanging member by the movement restricting unit is released.

As described above, the embodiment invented this time is exemplary in all respects and is not limiting. The scope of the present invention is indicated by the scope of claims and includes all modifications within the meaning and scope equivalent to the scope of claims.

1,1A medical container, 10 infusion container, 20 drug container, 30 transfer tool, 31,31A cylinder, 31a one end, 31b other end, 31c opening, 32 holding member, 32a one end, 32b other end, 33 double heads Needle, 34 cap, 35 main body, 36, 36A hanging member, 37 sealing member, 40, 40A movement control part, 101 infusion container body, 102 outlet, 103 first port, 104 closing film, 105 mounting part , 110 Sealing member, 111 Outer shell member, 112 Elastic plug body, 113 Cover body, 201 Drug container body, 202 Second port, 203 Elastic sealing film, 310a outer peripheral surface, 310b inner peripheral surface, 311 mounting part, 312 guide ribs 313 Guide groove, 314 protruding piece part, 315 partition wall, 316 through hole, 317 notch part, 318 ridge part, 319 seal member, 321 holding part, 321a opening part, 322 base part, 323 connection part, 324 cover Guide part, 325 Pushed part, 331 1st piercing needle, 332 2nd piercing needle, 333 hub, 334 arm part, 351 1st tubular part, 352 2nd tubular part, 353 connection part, 354 accommodating part, 355 ribs, 356 retaining parts, 357 pushes, 358 protrusions, 361 bases, 361b other ends, 362 hanging parts, 362a hanging holes, 365, 365A ring parts, 366 protrusions, 368 connections, 369 fragile Department.

Claims (4)

A first container having an outlet on one end side and a first mouth portion closed by a closing membrane on the other end side.
The transfer tool attached to the first port of the first container, and
A second container having a second mouth portion and the second mouth portion sealed with an elastic sealing membrane is provided.
The first container contains the first agent inside and
The second container contains the second agent inside and
The transfer tool has a cylinder having a mounting portion to be mounted on the first opening on one end side and an opening on the other end side, and the second opening facing the first opening. Holds the second container and slides along the direction parallel to the axial direction of the holding member arranged inside the cylinder so as to be slidable along the direction parallel to the axial direction of the cylinder. A double-headed needle that is movablely arranged in the cylinder of a portion located between the first mouth portion and the second mouth portion, and for communicating the inside of the first container and the inside of the second container. And a cap provided on the other end side of the cylinder and covering the opening.
The double-ended needle has a first puncture needle for piercing the elastic sealing membrane and a second puncturing needle for piercing the closing membrane.
The cap has a main body portion that rotatably covers the opening around the axis of the tubular body, and a hanging member held by the main body portion so as to rotate integrally with the main body portion. death,
The main body portion has a pushing portion that pushes the holding member toward the one end side of the tubular body in accordance with a rotation operation.
The suspending member is movably provided from a first position where the transfer tool cannot be suspended to a second position where the transfer tool can be suspended.
Further, a movement restricting unit for restricting the movement of the suspending member from the first position to the second position is further provided.
The elastic sealing is performed by integrally rotating the main body portion and the suspending member and pushing the holding member for holding the second container by the pushing portion toward the one end side of the tubular body. With the membrane pierced by the first puncture needle and the closing membrane pierced by the second puncture needle, from the first position to the second position by the movement restricting unit. A medical container to which the movement restriction of the hanging member is lifted. The suspension member is restricted from moving in a direction parallel to the axial direction so as to be separated from the cylinder by the movement restricting unit.
On the outer peripheral surface of the cylinder, a protruding piece portion that protrudes outward in the radial direction of the cylinder and extends along the circumferential direction of the cylinder is provided.
The suspending member overlaps the facing portion of the tubular body facing the outer peripheral surface in the state of being located at the first position and the protruding piece portion in the axial direction from the one end side of the tubular body. It has a protrusion that protrudes from the facing portion toward the outer peripheral surface of the cylinder.
The protruding piece portion is provided with a notch portion through which the protruding portion can pass along the axial direction.
The movement restricting portion is composed of the protruding piece portion and the protruding portion.
The movement is caused by moving the protrusion from the position where the protrusion overlaps the protruding piece in the axial direction to the position where the protrusion overlaps the notch in accordance with the integral rotation operation of the main body and the hanging member. The medical container according to claim 1, wherein the restriction on the movement of the suspending member from the first position to the second position is lifted by the regulating unit. The suspension member is restricted from moving in a direction parallel to the axial direction with respect to the main body portion by the movement restricting portion.
The suspending member is located between the base portion facing the outer peripheral surface of the main body portion and the one end side of the tubular body in the axial direction with respect to the base portion, and a gap is formed between the base portion and the base portion in the axial direction. With a connector, which is connected to the base so as to be
A protrusion is provided on the outer peripheral surface of the main body so as to enter the gap.
The connection body has a fragile portion that can be broken and extends along the circumferential direction of the cylinder body so as to face the outer peripheral surface of the cylinder body.
The outer peripheral surface of the cylinder has an abutting portion that projects toward the connecting body and abuts on the connecting body.
The abutting portion slides on the inner peripheral surface of the connecting body and moves toward the fragile portion as the main body portion and the suspending member integrally rotate, and the fragile portion breaks. The medical container according to claim 1, wherein the movement restriction of the hanging member from the first position to the second position is released by the movement restricting unit. With the elastic sealing membrane pierced by the first puncture needle and the closing membrane pierced by the second puncture needle, the holding member and the double-headed needle are directed toward the one end side of the cylinder. When the main body reaches the rotation end point position where the movement is restricted, the movement restriction unit releases the movement restriction of the hanging member from the first position to the second position. Item 3. The medical container according to any one of Items 1 to 3.

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