JP7234588B2 - Packaging materials for medical equipment - Google Patents

Description

TECHNICAL FIELD The present disclosure relates to protective sheets that protect information displays for medical devices.

In order to avoid contamination from the outside, medical devices are transported and stored in a sealed space within packaging materials. When using medical equipment, it is essential to confirm the model number and lot. Therefore, various information is displayed on the main body of the medical device or on the surface of the packaging material so that the model number and lot number can be confirmed while the medical device is contained in the packaging material.

Many medical devices can deteriorate due to light and humidity. For this reason, an aluminum laminate bag, an aluminum vapor deposition bag, or the like is sometimes used as a packaging material. When these packaging materials are used, the inside cannot be confirmed, so information display on the surface of the packaging material is essential. In addition, even when a transparent packaging material that allows the inside to be seen is used, information is preferably displayed on the surface of the packaging material from the viewpoint of facilitating handling.

When information is displayed on the surface of the packaging material, a label printed with the information is affixed, or printed directly on the surface of the packaging material by automatic equipment.

Since important information for medical devices is displayed on packaging materials, measures are required to make it difficult to tamper with them. There are also medical devices such as dialyzers that have a long expiration date. In the case of such medical devices, it is also necessary to protect the information displayed on the packaging so that it does not disappear for a long period of time. When attaching a label on which information is printed, tampering can be prevented by using a label that cannot be reattached (see, for example, Patent Document 1). In addition, there is a wide selection of label materials and inks, and it is relatively easy to make printed information difficult to erase. However, considering the labor involved in preparing and attaching the label, the method of printing directly on the packaging material is superior. For example, as a technique for printing information on the surface of a packaging material, a laser printing method using colored ink is known (see Patent Document 2). In some packaging materials, such as printed characters, etc., are faint, and there is a problem that information such as bar codes cannot be read.

A method of printing on the surface of the packaging material using various alcohol-resistant inks or the like is also conceivable (see Patent Document 3), but it has not reached the point where the printed information is completely indelible. Especially in the field of medical equipment, labels are used because the surface of the packaging material is limited to materials with low air permeability such as resin (Ny, PET, etc.) and aluminum from the perspective of preserving the medical equipment that is the contents. It is difficult to make it difficult to erase compared to the case, and it is easy to falsify.

In order to deal with such a problem, it has been considered to attach a transparent protective sheet to the information display portion.

JP 2010-49105 A JP-A-9-123607 Japanese Patent Application Laid-Open No. 2002-294128

The problem of the present disclosure is to protect the information display part by a simple method, and it is difficult to remove the protective sheet. is to realize

One aspect of the protective sheet of the present disclosure is directed to a protective sheet for information printed directly on a packaging material containing a medical device. a layer, the sheet body has slits provided on three sides other than one side and extending in a direction intersecting with the direction in which each side extends, and the sheet body covers the information display part When the label is peeled off after being attached to the packaging material, it separates into a plurality of separated pieces, some of which remain on the packaging material.

According to one aspect of the protective sheet, the sheet main body is separated into a plurality of separated pieces, some of which remain on the surface, so that the presence or absence of peeling can be confirmed. Furthermore, since the sheet body is separated into a plurality of separate pieces, it is difficult to peel off the sheet, and furthermore, it becomes impossible to re-stick the peeled sheet, and a similar protective seal must be prepared separately. As a result, falsification of information display can be made difficult.

In one aspect of the protective sheet, the sheet body may have a plurality of perforations, and at least some of the perforations may reach the other three sides. With such a configuration, when the sheet is peeled off, the sheet is separated into a plurality of separated pieces, and the sheet body is wound into a roll by arranging one side on the outer periphery of the sheet on the leading side of the sheet to be fed out. It is possible to more stably feed out the sheet with the liner, and the automatic pasting device enables automatic pasting at a predetermined position of the packaging material.

Also, the sheet body has a plurality of perforations, and the perforations can be prevented from reaching the other three sides. In this case, compared with the case where the perforations reach the other three sides, the configuration is such that when an attempt is made to peel off from the other three sides, it is difficult to peel off along the perforations. As a result, the protection sheet can be made difficult to peel off, and the tampering prevention effect is improved.

In this case, the perforations may include perforations in the direction intersecting one side. With such a configuration, even when the sheet is to be peeled off from one side where the cut is not provided, the sheet can be easily torn.

One aspect of the medical device packaging material of the present disclosure includes a protective sheet of the present disclosure attached so as to cover the information display portion of the packaging material.

One aspect of the medical device package of the present disclosure comprises the medical device packaging of the present disclosure and a medical device contained within the medical device packaging.

According to the protective sheet of the present disclosure, it is difficult to remove the sheet, and it is impossible to re-stick the sheet, so that it is possible to realize a protective sheet that prevents tampering.

1 is a plan view showing a packaging material for medical devices using a protective sheet according to one embodiment; FIG. 1 is a cross section showing a medical device packaging material using a protective sheet according to one embodiment. FIG. 11 is a plan view showing a state in which peeling of the attached protective sheet is attempted; FIG. 11 is a plan view showing a modification of the protective sheet;

As shown in FIGS. 1 and 2, the protective sheet 101 of the present disclosure can be used to protect an information display portion 102, which is an area where information is displayed and which is attached to a packaging material 100 containing a medical device. can. The protective sheet 101 includes a rectangular transparent sheet body 111 and an adhesive layer 112 provided on the back surface of the sheet body 111 . The sheet body 111 is configured to be larger than the information display portion 102 . The sheet body 111 has notches 113 provided on three sides other than one side and extending in a direction intersecting the direction in which each side extends. Information such as the lot number, date of manufacture, and expiration date of the medical device contained in the packaging material 100 and a bar code or the like including these information are printed on the information display portion 102 .

After the protective sheet 101 is temporarily attached to the surface of the packaging material 100, when the protective sheet 101 is pulled and peeled off, the sheet body 111 is torn starting from the slit 113 and separated into a plurality of separated pieces. Therefore, as shown in FIG. 3, the separated pieces 114 remain on the surface of the packaging material 100, so that it can be recognized that the protective sheet 101 has been peeled off. On the other hand, the remaining separation pieces 114 can also be peeled off starting from the cuts 113 by repeating the peeling, but since there are the cuts 113 in the outer peripheral portion, the pieces that can be peeled become smaller, so all the remaining separation pieces are peeled off. work becomes difficult. Therefore, it is impossible to reattach the peeled protective sheet again, so that tampering can be suppressed. In this embodiment, the sheet body 111 is configured to be larger than the information display section 102 , but it may be provided so as to cover at least the information displayed on the information display section 102 . That is, a plurality of protective sheets 101 may be attached corresponding to the information display portion 102 .

In this embodiment, the notch 113 is provided only on three sides, and the notch 113 is not provided on one side. Therefore, if the protective sheet 101 is first peeled from the release liner on the side where the cut 113 is not provided and then the protective sheet 101 is pasted on the packaging material 100 from the side where the cut 113 is not provided, the protective sheet 101 will not be removed when the protective sheet 101 is pasted. It can be pasted cleanly without tearing, and can be used with an automatic pasting device.

The sheet body 111 is preferably one that is easily torn when it is pulled from one place and peeled off, but is not particularly limited. can be used. A laminated sheet in which a plurality of materials are laminated can also be used. The thickness of the sheet body 111 is not particularly limited, but is preferably 10 μm or more, more preferably 50 μm or more from the viewpoint of protecting the information display portion 102, More preferably, it is 300 µm or less.

The adhesive layer 112 provided on the back surface of the sheet body 111 is not particularly limited, and general adhesives such as acrylic, urethane, and silicone can be used. The adhesive layer 112 can be uniformly provided on the back surface of the sheet body 111 . Therefore, it can be easily produced. In the examples, the adhesive strength of the adhesive layer is 4.0 N/10 mm according to JIS Z-0237, but it is not limited to this. From the viewpoint of the difficulty of tampering, it becomes more difficult to peel off the protective sheet with a higher adhesive strength, and as a result, tampering can be suppressed.

The protective sheet 101 can be manufactured and stored in a state in which a release liner is provided on the adhesive layer 112 side. It is also possible to manufacture and store the protection sheet 101 wound in a roll without a so-called liner. In this case, one surface of the sheet body 111 may be provided with a layer for easy peeling or may be coated with a peeling agent.

A sheet body 111A according to the modification shown in FIG. 4 has a plurality of perforations 115 . The perforations 115 may be provided regularly or irregularly. In FIG. 4, as the perforations 115, a pattern of concentric squares similar to the outer shape of the sheet body 111A and patterns extending vertically, horizontally and diagonally of the sheet body 111A are provided. By providing the perforations 115 in such a regular pattern, the shape of the separated pieces remaining after peeling can also be made regular. However, the perforations 115 may be randomly arranged so that randomly shaped separation pieces remain.

At least a portion of the plurality of perforations 115 may reach one of the sides of the sheet body 111A on which the cuts 113 are provided. In this way, when the sheet main body 111A is to be peeled off, it will tear more easily. However, it is also possible that none of the perforations 115 reach the outer circumference of the sheet body 111A.

The perforations 115 can be provided by intermittently forming openings penetrating the sheet body 111A. In this case, the opening is preferably provided in a portion that does not overlap the information display. Further, recesses that do not penetrate the sheet body 111A may be intermittently formed. In addition, the notch 113 can also be a recess that is thinner than the other portions, rather than reaching from the front surface to the back surface of the sheet body 111A.

Information such as characters, symbols, and two-dimensional or three-dimensional bar codes is written on the surface of the information display section 102 .

Although the packaging material 100 is not particularly limited, it is preferably a bag made of a material having excellent moisture resistance, such as a resin laminated material, an aluminum laminated resin material, and an aluminum vapor-deposited resin material. Among them, a bag made of an aluminum-laminated resin material is preferable because it can suppress transmission of light that causes deterioration of the medical device.

The medical device housed in the packaging material 100 is not particularly limited, but a dialyzer or the like that may be stored for a long period of time is preferable.

The protective sheet of the present disclosure can protect the information display part by a simple method, and it is difficult to peel off the sheet, and it is impossible to paste it again, so tampering is suppressed. It is useful as a protective sheet for printed information.

100 packaging material 101 protective sheet 102 information display portion 111 sheet body 111A sheet body 112 adhesive layer 113 notch 114 separation piece 115 perforation

Claims (5)

a packaging material body for packaging a medical device;
and a protective sheet attached to the main body of the packaging material,
The packaging material body has an information display part on which information is printed,
The protective sheet is attached to the information display portion and has a transparent sheet body and an adhesive layer provided on the back surface of the sheet body,
The sheet body has slits provided on three sides other than one side and extending in a direction intersecting the direction in which each side extends,
A packaging material for medical devices , wherein the sheet body attached to the information display portion is separated into a plurality of separation pieces when peeled off , and some of the pieces remain on the surface of the packaging material body. The sheet body has a plurality of perforations,
The packaging material for medical devices according to claim 1, wherein the perforations do not reach the outer periphery of the sheet body. The sheet body has a plurality of perforations,
2. The packaging material for medical devices according to claim 1, wherein at least part of said perforation reaches the other three sides of said sheet body. The packaging material for medical devices according to claim 2 or 3, wherein the perforations include perforations in a direction intersecting with the one side. The medical device packaging material according to any one of claims 1 to 4 ,
and a medical device contained within the medical device packaging.

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