JP2009067474A - Interior trim material of covering container for storing radioactive medical fluid container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior trim material of a shielding container which stores a radioactive chemical solution container, can be used for a plurality of the radioactive chemical solution different in barrel diameter even if one kind of the interior trim material is employed, and can stably hold the radioactive chemical solution container in the shielding container. <P>SOLUTION: The interior trim material 2 is constituted in such a manner that: the material is made to contact with the peripheral face of a barrel of the radioactive chemical solution container long the axial direction by a prescribed length; a plurality of chemical solution container holding pieces 8 for holding the radioactive chemical solution container are arranged inside; the chemical solution container pieces are connected to one another by a connecting body 12, and the connecting body is cut when inserting the radioactive chemical solution container having a larger barrel diameter than that of an inside air gap into the air gap which is formed of the connecting body and the chemical solution holding pieces. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an interior material for a shielding container that houses a radioactive chemical solution container (such as a vial, a prefilled syringe, or an ampoule) in which a radioactive chemical solution is enclosed.

  Japanese Patent Laid-Open No. 9-61588 discloses an interior material for a shielding container that houses a radioactive chemical solution container containing a radioactive chemical solution. As shown in FIG. 18, the interior material includes an engagement portion a that engages with the opening of the container body, and a chemical solution container insertion portion that is adjacent to the engagement portion a and has an inner diameter larger than the trunk diameter of the radioactive chemical solution container. b, a chemical solution container fixing portion e, which is formed in a substantially truncated cone shape downward from the chemical solution container insertion portion b and includes a chemical solution container fixing piece d provided by a plurality of expanding cuts c from the lower end edge thereof. I have it.

  The interior material described in Japanese Patent Laid-Open No. 9-61588 described above is disposed inside the container body by engaging the engaging portion a with the opening of the container body of the shielding container. When the radioactive chemical container is stored in the shielding container, the chemical container fixing portion e of the interior material expands to the inner diameter substantially the same as the trunk diameter of the radioactive chemical container, and at the same time, the trunk of the radioactive chemical container is at the center. The radioactive liquid chemical container is fixed by squeezing the pressure toward it.

However, the interior material disclosed in JP-A-9-61588 has the following drawbacks.
1. For one type of interior material, only radioactive chemical liquid containers having a body diameter adapted to the dimensions of the chemical liquid container fixing portion of the interior material could be used, and radioactive chemical liquid containers having different body diameters could not be used. Therefore, in order to store a plurality of types of radioactive chemical liquid containers having different trunk diameters in the shielding container, a plurality of types of interior materials matching the trunk diameters of the respective radioactive chemical liquid containers are required, which is uneconomical.
2. When the radioactive chemical solution container is fixed to the chemical solution container fixing portion, since the chemical solution container fixing portion is formed in a substantially truncated cone shape, only the lower end portion of the chemical solution container fixing piece contacts the trunk portion of the radioactive chemical solution container. Therefore, since the contact distance in the vertical direction (the axial direction of the container) between the radioactive chemical container and the chemical container fixing piece is short, the radioactive chemical container may wobble in the shielding container, and the radioactive chemical container is stably held in the shielding container. There was something I couldn't do.

  The present invention has been made in view of the above-described circumstances, and is an interior material for a shielding container that accommodates a radioactive liquid chemical container, and uses one type of internal material for a plurality of types of radioactive chemical liquid containers having different trunk diameters. It is an object of the present invention to provide an interior material that can be retained, and an interior material that can stably hold the radioactive chemical solution container in the shielding container without the radioactive chemical solution container being wobbled when the radioactive chemical solution container is fixed. To do.

In order to achieve the above object, the present invention provides interior materials according to the following first to fifth inventions.
(First invention)
A plurality of chemical liquid container holding pieces that are interior materials for a shielding container that accommodates a radioactive chemical liquid container, and that are in contact with the circumferential surface of the trunk of the radioactive chemical liquid container for a predetermined length along the axial direction and hold the radioactive chemical liquid container inside The chemical solution container holding pieces are connected to each other by a connecting body, and the connecting body has an inner gap formed by the connecting body and the chemical solution container holding piece having a body diameter larger than the gap. An interior material characterized by being cut when a radioactive chemical solution container is inserted.
(Second invention)
A plurality of chemical liquid container holding pieces that are interior materials for a shielding container that accommodates a radioactive chemical liquid container, and that are in contact with the circumferential surface of the trunk of the radioactive chemical liquid container for a predetermined length along the axial direction and hold the radioactive chemical liquid container inside The chemical solution container holding piece and a portion other than the chemical solution container holding piece in the interior material are connected by a connecting body, and the connecting body is an inner side formed by the connecting body and the chemical solution container holding piece. An interior material characterized by being cut, bent or overturned when a radioactive chemical container having a larger body diameter than the gap is inserted into the gap.
(Third invention)
An interior material of a shielding container for storing a radioactive chemical solution container, which holds the radioactive chemical solution container inside, has an axis substantially parallel to the axial direction of the trunk portion of the radioactive chemical solution container, and has a cylindrical wall of the interior material. An interior material characterized by having a plurality of vertical vane-shaped liquid chemical container holding pieces protruding obliquely inward from the inner surface and having a tip portion in contact with the peripheral surface of the trunk of the radioactive liquid chemical container for a predetermined length along the axial direction .
(Fourth invention)
An interior material of a shielding container for storing a radioactive chemical solution container, which holds the radioactive chemical solution container inside, has an axis substantially perpendicular to the axial direction of the trunk portion of the radioactive chemical solution container, and a distal end portion of the radioactive chemical solution container A plurality of horizontal vane-shaped chemical liquid container holding pieces that are in contact with the peripheral surface of the body portion along the axial direction for a predetermined length, the chemical liquid container holding pieces are connected to each other by a connecting body, An interior material characterized by being cut when a radioactive chemical container having a body diameter larger than the gap is inserted into an inner gap formed by a connector and the chemical container holding piece.
(Fifth invention)
An interior material of a shielding container for housing a radioactive chemical solution container, which holds the radioactive chemical solution container inside, has an axis substantially parallel to the axial direction of the trunk portion of the radioactive chemical solution container, and a trunk portion of the radioactive chemical solution container An interior material characterized by having a plurality of plate-shaped chemical liquid container holding pieces that are in contact with the peripheral surface of the plate along the axial direction for a predetermined length.

  The interior materials of the first, second and fourth inventions are those in which radioactive chemical liquid containers are inserted inside a plurality of chemical liquid container holding pieces, and the radioactive chemical liquid containers are held by these chemical liquid container holding pieces. In the fourth invention, the chemical liquid container holding pieces are connected by a severable connecting body, and in the second invention, the chemical liquid container holding piece and a part other than the chemical liquid container holding piece are connected by a linking body that can be cut, bent or overturned. ing. For this reason, even when a radioactive chemical container having a larger diameter than that size is inserted inside the chemical container holding piece for one type of interior material, the connected body may be cut, bent, or overturned. Thus, the chemical container holding piece fits into the radioactive chemical container having a large trunk diameter. Therefore, one type of interior material can be used for a plurality of types of radioactive chemical containers having different trunk diameters.

  In the interior material of the first to fifth inventions, the chemical container holding piece contacts the circumferential surface of the trunk of the radioactive chemical container for a predetermined length along the axial direction. Therefore, since the contact distance in the vertical direction (the axial direction of the container) of the radioactive chemical liquid container and the chemical liquid container holding piece is long, the radioactive chemical liquid container does not wobble when the radioactive chemical liquid container is fixed inside the chemical liquid container holding piece, The radioactive chemical container can be stably held in the shielding container.

The interior material of the shielding container that houses the radioactive chemical container according to the present invention has the following effects.
(1) The interior materials of the first, second and fourth inventions are connected even when a radioactive chemical container having a larger diameter than that dimension is inserted inside the chemical container holding piece with respect to one type of interior material. The body cuts, bends, or falls, and the chemical container holding piece fits into the large-bore radioactive chemical container. Therefore, one type of interior material can be used for a plurality of types of radioactive chemical containers having different trunk diameters. Further, even when a radioactive chemical container having a small body diameter is inserted into the interior material, since the chemical container holding pieces are connected by the coupling body, the radioactive chemical container can be reliably held by the chemical container holding pieces. Thus, the interior materials of the first, second and fourth inventions can control the force for holding the radioactive chemical solution container within the target range regardless of the size of the trunk diameter of the radioactive chemical solution container. Furthermore, since the chemical liquid container holding piece has a buffering action against an impact, the radioactive chemical liquid container can be prevented from being damaged during transportation.
(2) Since the interior material of the first to fifth inventions has a long contact distance in the vertical direction (axial direction of the container) between the radioactive chemical container and the chemical container holding piece, the radioactive chemical container is placed inside the chemical container holding piece. When fixed, the radioactive chemical solution container does not wobble, and the radioactive chemical solution container can be stably held in the shielding container. Further, since the chemical liquid container holding piece has a buffering action against an impact, the radioactive chemical liquid container can be prevented from being damaged during transportation.

  Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to the following examples. 1 to 4 show an embodiment of an interior material according to the present invention. FIG. 1 is a perspective view, FIG. 2 is a plan view, FIG. 3 is a bottom view, and FIG.

  The interior material 2 of this example is integrally formed of plastic, and has a circular ring-shaped engagement portion 4 that engages with the opening of the container body, and a circular ring shape having an inner diameter larger than the trunk diameter of the radioactive chemical container. And a plurality of (in this example, five) chemical liquid container holding pieces 8 that are in contact with the peripheral surface of the body of the radioactive chemical liquid container and hold the radioactive chemical liquid container inside. The chemical liquid container holding piece 8 is a substantially vertical vertical liquid chemical container holding piece that protrudes obliquely inward and whose tip is in contact with the circumferential surface of the trunk of the radioactive chemical liquid container for a predetermined length along the axial direction. is there. An inclined surface 14 is formed on the upper end of the chemical container holding piece 8 so as to incline downward inward. The inclined surface 14 may be a linear inclined surface as shown in FIG. 5A or a curved inclined surface as shown in FIG. Moreover, the lower ends of the adjacent chemical liquid container holding pieces 8 are connected by a severable linear connecting body 12, and the connecting body 12 forms a circular ring-shaped annular structure.

  The shielding container using the interior material 2 of this example is shown in FIG. The shielding container 20 includes a container main body 22, a lid 24, and the interior material 2. The container body 22 is obtained by applying a plastic outer container 30 to a container body 28 made of a radiation shielding metal (lead alloy, tungsten alloy, etc.) having a substantially bottomed cylindrical shape having a storage portion 26 for a radioactive chemical container. An engagement portion 4 of the interior material 2 is engaged with the opening of the container body 22, whereby the interior material 2 is disposed in the container body 22. The lid 24 is obtained by applying a plastic outer container 34 to a lid 32 made of a radiation shielding metal. A water absorbing member 40 is disposed between the container body 28 and the interior material 2. The engaging means between the container main body 22 and the lid 24 and the engaging means between the opening of the container main body 22 and the engaging portion 4 of the interior material 2 are not limited, and any appropriate means can be adopted.

  In the shielding container 20 of this example, a radioactive chemical solution container (indicated by a dotted line 50 in FIG. 6) is inserted inside a plurality of chemical solution container holding pieces 8 of the interior material 2, and the radioactive chemical solution container 50 is formed by these chemical solution container holding pieces 8. It is to hold. The radioactive chemical solution container 50 is, for example, a container filled with several ml to several tens of ml of a radioactive chemical solution, and is made of glass or synthetic resin having a cylindrical body (vial, prefilled syringe, ampoule, etc.). Can be mentioned.

  In this case, the interior material 2 of this example is connected by the connection body 12 which can cut | disconnect the chemical | medical solution container holding pieces 8 between adjacent. Therefore, even when a radioactive chemical liquid container having a larger diameter than that dimension is inserted inside the chemical liquid container holding piece 8 for one type of interior material, the connector 12 is cut as shown in FIG. The chemical solution container holding piece 8 is adapted to the radioactive chemical solution container of the trunk diameter. Therefore, one type of interior material 2 can be used for a plurality of types of radioactive chemical containers having different trunk diameters.

  Further, in the interior material 2 of this example, the chemical solution container holding piece 8 is in contact with the peripheral surface of the trunk portion of the radioactive chemical solution container for a predetermined length along the axial direction. Accordingly, since the contact distance in the vertical direction (the axial direction of the container) between the radioactive chemical solution container and the chemical solution container holding piece 8 is long, the radioactive chemical solution container may be wobbled when the radioactive chemical solution container is fixed inside the chemical solution container holding piece 8. In addition, the radioactive chemical container can be stably held in the shielding container 20.

  Furthermore, the interior material 2 of this example has a shape in which a corner portion (shown by a dotted line 60 in FIG. 4) of the upper surface of the chemical solution container insertion portion is cut. Therefore, in a state where the radioactive chemical solution container is held by the interior material 2, the inside of the radioactive chemical solution container can be easily visually recognized from the upper oblique portion of the radioactive chemical solution container. That is, when a doctor or the like uses a radioactive drug solution, the syringe needle is inserted into the container from the upper end of the radioactive drug solution container in a state where the radioactive drug solution container is housed in the container body 22, and at this time, the tip of the injection needle is It is preferable that it is possible to visually recognize how much is inside. However, in the conventional interior material shown in FIG. 18, since the corner portion 60 is present on the upper surface of the drug solution container insertion portion, it is difficult to visually recognize the injection needle because the corner portion 60 becomes an obstacle. On the other hand, the interior material 2 of this example has no corners on the upper surface of the chemical container insertion portion, so that the conventional inconvenience is solved.

  Although the interior material of this example is made of plastic, the material of the interior material is not limited and can be made of rubber, metal, paper, or the like.

  Hereinafter, the chemical container holding piece and the coupling body in the interior material of the present invention will be further described. In the present invention, the number of the chemical solution container holding pieces is 2 to 10, preferably 3 to 6. The number of the two or more can hold the radioactive chemical liquid container, but three or more are preferable from the viewpoint that the radioactive chemical liquid container is arranged in a balanced manner in the center of the blocking container. Also, the more chemical solution container holding pieces, the better, but about 10 sheets is the upper limit for practical use. Depending on the size of the inner diameter of the interior material, 10 or more chemical container holding pieces can be provided, but up to 6 is preferable for the convenience of molding.

  Regarding the shape of the chemical liquid container holding piece, in the case of the vertical blade-shaped chemical liquid container holding piece shown in FIGS. 1 to 4, for example, the shape shown in FIGS. 8 to 11 can be used. 8 to 12 are all formed so as to protrude obliquely inward from the inner surface of the cylindrical wall 10. The chemical liquid container holding piece 8 of FIG. 8 is linear when viewed from above, and the protrusion 70 is provided at the tip of the chemical liquid container holding piece. The chemical liquid container holding piece 8 of FIG. 9 is straight when viewed from above. An example in which one place is refracted, an example in which the chemical solution container holding piece 8 in FIG. 10 is refracted when viewed from above, and a case in which the chemical solution container holding piece 8 in FIG. 11 is seen from above Is an example of a substantially arc shape.

  Further, as shown in FIG. 12, the chemical solution container holding piece 8 and a portion other than the chemical solution container holding piece (in this example, the inner surface of the cylindrical wall 10) are connected by a connecting body 12 that can be cut, bent or overturned. May be. In this case, when a radioactive chemical solution container having a small trunk diameter is placed inside the chemical solution container holding piece, the chemical solution container holding piece 8 is pushed inward by the connector 12 to hold the radioactive chemical solution container. Further, when a radioactive chemical solution container having a large body diameter is put inside the chemical solution container holding piece, the chemical solution container holding piece 8 is spread outward to hold the radioactive chemical solution container. At this time, the coupling body 12 falls, bends, or is cut.

  In the case of the vertical vane-shaped chemical liquid container holding piece of the third invention shown in FIGS. 1 to 4, the upper end of the chemical liquid container holding piece (the part where the bottom of the container hits when the radioactive chemical liquid container is inserted) It is preferable to form an inclined surface that is inclined in a direction (see FIG. 5). Thereby, it becomes easy to insert the radioactive chemical container into the shielding container. In addition, the lower part and side part of the chemical | medical solution container holding piece may be cut linearly, may be cut by the arch-shaped curve etc., and is not specifically limited.

  13-15 shows the example of the interior material of 5th invention. These interior liquid chemical container holding pieces 8 (four in the figure) have a substantially vertical plate shape whose inner surface is in contact with the circumferential surface of the trunk portion of the radioactive chemical liquid container for a predetermined length along the axial direction. A coupling body can be arrange | positioned in one or both of the position of 12a and 12b shown, for example in FIG. Further, in the example of FIG. 14, a connecting body 12 is provided at a corner portion between the chemical liquid container holding pieces 8, and the connecting body 12 connects the chemical liquid container holding pieces 8 together to limit the movement of the chemical liquid container holding piece 8. . Thereby, when a thin radioactive chemical solution container is put, the radioactive chemical solution container 50 is held by a plurality of chemical solution container holding pieces 8 (FIG. 15a), and when a thick radioactive chemical solution container is put, a plurality of chemical solution container holding pieces are held. 8 is spread and the coupling body 12 is cut to hold the radioactive liquid chemical container 50 (FIG. 15b).

  16-17 shows the example of the interior material of 4th invention. The liquid chemical container holding pieces 8 of these interior materials are in the shape of a substantially horizontal horizontal blade that protrudes inward and whose tip is in contact with the peripheral surface of the trunk of the radioactive liquid chemical container. The chemical container holding pieces 8 are connected to each other by a severable connecting body 12. In these interior materials, when a thin radioactive chemical solution container is inserted, the connector 12 is not cut as shown in FIG. 17A, and the radioactive chemical solution container 50 is held. When a thick radioactive chemical solution container is inserted, As shown in FIG. 17B, the connecting body 12 is cut and the radioactive chemical container 50 is held.

  In the interior material of the third and fifth inventions, the contact distance in the vertical direction (the axial direction of the container) of the radioactive chemical container and the chemical container holding piece is 1/3 or more of the axial length of the trunk of the radioactive chemical container It is appropriate to do.

  Regarding the connection body, it is also possible to provide two or more circular ring-shaped connection bodies 12 having different diameters as shown in FIGS. Thereby, one interior material can respond to three or more types of radioactive chemical liquid containers having different outer diameters. The position of the connecting body 12 may be anywhere, but it is advantageous to provide it at the lowermost part of the liquid chemical container holding piece from the viewpoint that mold forming is easy when forming the interior material. The connected body only needs to connect at least two chemical solution container holding pieces, but considering the point that the radioactive chemical solution container is arranged in a balanced manner in the center of the shielding container, all the chemical solution container holding pieces are connected by the connecting body. It is preferable. In addition, a cut can be made in advance in the connected body, and a place where the cut can be made can be determined.

It is a perspective view which shows one Embodiment of the interior material which concerns on this invention. It is a top view of the interior material. It is a bottom view of the interior material. It is sectional drawing of the interior material. It is a side view which shows an example of a vertical blade-shaped chemical | medical solution container holding piece. It is sectional drawing which shows the shielding container using the interior material of FIG. It is a bottom view after the coupling body cutting | disconnection of the interior material of FIG. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is the schematic which shows one Embodiment of the interior material which concerns on this invention. It is a perspective view which shows the conventional interior material.

Explanation of symbols

2 Interior material 4 Engagement part 6 Chemical liquid container insertion part 8 Chemical liquid container holding piece 12 Linked body

Claims (13)

A plurality of chemical liquid container holding pieces that are interior materials for a shielding container that accommodates a radioactive chemical liquid container, and that are in contact with the circumferential surface of the trunk of the radioactive chemical liquid container for a predetermined length along the axial direction and hold the radioactive chemical liquid container inside The chemical solution container holding pieces are connected to each other by a connecting body, and the connecting body has an inner gap formed by the connecting body and the chemical solution container holding piece having a body diameter larger than the gap. An interior material characterized by being cut when a radioactive chemical solution container is inserted. A plurality of chemical liquid container holding pieces that are interior materials for a shielding container that accommodates a radioactive chemical liquid container, and that are in contact with the circumferential surface of the trunk of the radioactive chemical liquid container for a predetermined length along the axial direction and hold the radioactive chemical liquid container inside The chemical solution container holding piece and a portion other than the chemical solution container holding piece in the interior material are connected by a connecting body, and the connecting body is an inner side formed by the connecting body and the chemical solution container holding piece. An interior material characterized by being cut, bent or overturned when a radioactive chemical container having a larger body diameter than the gap is inserted into the gap. An interior material of a shielding container for storing a radioactive chemical solution container, which holds the radioactive chemical solution container inside, has an axis substantially parallel to the axial direction of the trunk portion of the radioactive chemical solution container, and has a cylindrical wall of the interior material. An interior material characterized by having a plurality of vertical vane-shaped liquid chemical container holding pieces protruding obliquely inward from the inner surface and having a tip portion in contact with the peripheral surface of the trunk of the radioactive liquid chemical container for a predetermined length along the axial direction . The chemical container holding pieces are connected to each other by a connecting body, and the connecting body inserts a radioactive chemical container having a trunk diameter larger than the gap into an inner space formed by the connecting body and the chemical container holding piece. The interior material according to claim 3, which is cut when it is cut. The chemical liquid container holding piece and a portion other than the chemical liquid container holding piece in the interior material are connected by a connecting body, and the connecting body is connected to an inner space formed by the connecting body and the chemical liquid container holding piece from the gap. The interior material according to claim 3, which is cut, bent or falls when a radioactive chemical container having a larger trunk diameter is inserted. The chemical container holding pieces are connected to each other by a linking body, the linking body forms an annular structure, and a radioactivity having a larger body diameter in a space inside the annular structure than a space formed by the annular structure The interior material according to claim 3, wherein the interior material is cut when the chemical container is inserted. The interior material according to any one of claims 3 to 6, wherein an inclined surface inclined downward inward is formed at an upper end of the chemical liquid container holding piece. An interior material of a shielding container for storing a radioactive chemical solution container, which holds the radioactive chemical solution container inside, has an axis substantially perpendicular to the axial direction of the trunk portion of the radioactive chemical solution container, and a distal end portion of the radioactive chemical solution container A plurality of horizontal vane-shaped chemical liquid container holding pieces that are in contact with the peripheral surface of the body portion along the axial direction for a predetermined length, the chemical liquid container holding pieces are connected to each other by a connecting body, An interior material characterized by being cut when a radioactive chemical container having a body diameter larger than the gap is inserted into an inner gap formed by a connector and the chemical container holding piece. An interior material of a shielding container for housing a radioactive chemical solution container, which holds the radioactive chemical solution container inside, has an axis substantially parallel to the axial direction of the trunk portion of the radioactive chemical solution container, and a trunk portion of the radioactive chemical solution container An interior material comprising a plurality of plate-shaped chemical liquid container holding pieces that are in contact with the peripheral surface of the plate along the axial direction for a predetermined length. The chemical container holding pieces are connected to each other by a connecting body, and the connecting body inserts a radioactive chemical container having a trunk diameter larger than the gap into an inner space formed by the connecting body and the chemical container holding piece. The interior material according to claim 9, which is cut when it is cut. It has the shape where the chemical | medical solution container insertion part which has an internal diameter larger than the trunk | drum diameter of a radioactive chemical | medical solution container above a chemical | medical solution container holding piece, and has the shape by which the corner | angular part of the upper surface of this chemical | medical solution container insertion part was cut. The interior material according to any one of the above. The interior material according to any one of claims 1, 2, 4, 5, 6, 8, and 10, wherein the coupling body has a cut in advance and a place to be cut is determined. The shielding container which accommodates the radioactive chemical | medical solution container provided with the interior material of any one of Claims 1-12.

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