JP3525358B2 - Medical patch and manufacturing method thereof - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical patch.

[0002]

2. Description of the Related Art Conventionally, when intravenous injection or subcutaneous injection is performed, in order to prevent infection from the puncture hole after the needle is removed, a cotton swab or a disinfectant gauze is applied to hold it down by hand. However, since it is complicated to hold it by hand for a long time, a small bandage has been put on. However, with this method, the puncture part may become unclean, and when blood or liquid medicine leaks, it cannot be absorbed, which may adversely affect the affected part. Further, post-treatments such as hemostasis at the time of blood donation and low-level general-purpose hemostasis were also performed in the same manner.

After that, an adhesive sheet with a thin gauze placed in the center has come to be used. However, since such an adhesive sheet is stuck on a release paper as it is, it is difficult to remove it. Since the adhesive surfaces stick to each other when they are peeled off, it is difficult to use, and there is also a drawback that the adhesive surface is directly touched with a finger when sticking.

[0004]

Therefore, the puncture part after injection or the like can be surely protected and a sufficiently hygienic post-treatment can be performed, and the sticking operation can be facilitated, and the economy is improved. It is intended to obtain what can be manufactured in a simple manner.

[0005]

According to the present invention, a plurality of pads are placed at a predetermined interval on an adhesive layer provided on one surface of a strip-shaped substrate, and the pad is wider than the substrate. The release sheet is temporarily attached to cover the pressure-sensitive adhesive layer and the pad, and a tape-shaped tab is interposed between the pressure-sensitive adhesive layer of the base material and the release sheet along one side edge of the strip-shaped base material. Then, the base material, the tab and the release sheet are cut together between the pads while leaving the connecting portion on the release sheet to obtain a medical patch having a plurality of patch pieces connected by the connecting portion.

By pulling by pulling on the above-mentioned tab, one sticking piece with a pad can be peeled off from the release sheet. Therefore, the pad portion is applied to a puncture hole or the like and stuck with an adhesive layer, and the tab is removed. It can be attached to the affected area with chitin. Further, each sticking piece can be used separately by cutting line provided on the release sheet.

[0007]

EXAMPLES The present invention will be described in more detail with reference to Examples.
Polyethylene, polypropylene, polyvinyl chloride, polyester, polyamide and other plastic films,
The pressure-sensitive adhesive layer 2 is formed on one surface of the base material 1 formed of a sheet body such as non-woven fabric, cloth, paper or the like. As the pressure-sensitive adhesive of this pressure-sensitive adhesive layer, an appropriate pressure-sensitive adhesive such as rubber-based, acrylic-based, vinyl-based, or silicon-based can be used, but the use of acrylic-based is often preferable because it causes less irritation to the skin. .

The pad 3 is placed on the adhesive layer of the base material, and the adhesive layer is left exposed on both sides of the pad. In the case of FIGS. 1 to 3, the adhesive layer remains on the upper and lower parts of the pad, but the adhesive layer may not be left on this part. As the pad, it is preferable to use a non-woven fabric, cotton, compressed cotton, gauze or the like having a liquid absorbing property and the like, and these may be used in an appropriate combination. The thickness of the pad is not particularly limited, but it is usually preferable to set the thickness to about 0.5 to 2.5 mm.

A peeling tab 6 is temporarily attached to the pressure-sensitive adhesive layer on one side of the base material. The tab may be in the form of a single sheet, but in the illustrated case, the tab is bent so that the peelable surface is on the outside, and the bent portion 7 faces the pad 3 side. It is interposed between the pressure-sensitive adhesive layer 2 of the substrate and the release sheet 4 described later. Further, the bent pick-up piece 6 projects outward from the side edge portion 8 of the base material 1 and is easy to pick as will be described later, but it may be of substantially the same size so as not to project outward. it can. Further, in the illustrated example, the base material side 9 of the bent tab is formed to be slightly longer than the release sheet side 13, but the release sheet side 13 can be made longer.

Such a sticking piece 12 has a release paper, a release plastic or other release sheet 4 on the adhesive layer side thereof.
A plurality of the release sheets are attached to each other in a state where they are arranged side by side without a gap. The release sheet is wider than the base material, and a part of the release sheet 5 projects from both sides of the base material.

The cutting glands forming each of the sticking pieces 12 are provided so as to penetrate the release sheet so that the individual cut pieces can be separated together with the release sheet. This cutting line 10 leaves the connecting portion 11 in the part 5 of the release sheet protruding laterally of the base material 1 to leave the base material 1 above.
Is formed in a range wider than the width of the release sheet and narrower than the width of the release sheet. The cutting line 10 can be a continuous cutting line 15.

In this medical patch, a plurality of pads are placed at predetermined intervals on a pressure-sensitive adhesive layer provided on one surface of a base material formed into a strip shape, and a single strip of removable tape is provided. -Like tabs or tape-like tabs bent so that the releasable surface is on the outside, while inserting from one side of the base material, the strip-like tabs also wider than the base material. A release sheet is attached to the pressure-sensitive adhesive layer side to cover the pad and the pressure-sensitive adhesive layer, leaving a connecting portion on the release sheet between each pad, and to provide a cutting line penetrating the base material, the tab and the release sheet. To do so. This allows continuous production and is economically obtainable. Such a medical patch is wound around a desired length, or the connecting portion 11 of the release sheet 4 is cut off at a portion of the cutting line to obtain a desired length in which several adhesive strips are connected, It is convenient to store it in a bag or packaging box.

When this is used, a finger is inserted between the bent tabs to pick the tab and the base material,
Since it can be peeled off from the release sheet by pulling it, post-treatments such as post-injection can be performed by sticking the pad on the affected area such that the pad is applied to the puncture hole or the like after removing the injection needle. In addition, when a large number of people are to be injected for vaccination, the patch can be sequentially applied to the affected area while peeling off the patch as described above. If you want to stop bleeding after taking blood by donating blood, blood test, etc.
It may be similarly attached to the portion of the puncture hole, but if it is pressed from above the pad as needed, hemostasis can be more reliably performed.

In this medical patch, for example, the base material of each patch is about 20 × 20 mm, and the center is about 8 ×.
The 10 mm connected 8 mm pad,
The base material is approximately 27 x 27 mm, and the center is approximately 13 x 13 mm.
Various sizes, depending on the application, such as 8 mm pads with 8 mm pads connected, a base material of approximately 35 x 35 mm, and 6 pads of 20 x 20 mm in the center. It is convenient to have the ones available. Further, if the above-mentioned tab is formed in a color different from that of the base material or the release paper, it is more convenient for use.

Each sticking piece as described above is formed by combining a rectangular base with a rectangular pad, a rectangular base with a square pad, and a square base with a rectangular pad. be able to. Figure 4
What is shown in (1) is one in which the base material of each sticking piece is a square and the pad is a circular shape. Further, in this peeling sheet, a portion corresponding to the base material and the picking piece forming each pasting piece is made into a continuous cut line 17, and the projecting portion 5 of the peel sheet is provided with a discontinuous cut line 18. To form the connecting portion 11.

As shown in FIG. 5, both sides of the base material are formed in an arc shape, and various modifications such as placing a rectangular pad as shown in FIG. 6 and placing a circular pad as shown in FIG. Can be similarly formed.

[0017]

Industrial Applicability As described above, the present invention is capable of picking up a tab and peeling it from a release sheet and directly attaching it to a puncture hole or the like of an affected area, and performing post-treatment such as injection while maintaining hygiene. It can be performed reliably and can be widely used as a medical patch such as hemostatic bond, first-aid bandage, wound protection bandage, etc. in addition to such injection bandage, and also a band-shaped adhesive-attached base material, tab, peeling Since the sheet can be used for continuous production, it can be economically obtained.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is a partially omitted plan view of another embodiment.

FIG. 5 is a partially omitted plan view of still another embodiment.

FIG. 6 is a partially omitted plan view of another example.

[Explanation of symbols]

1 base material 2 Adhesive layer 3 pads 4 Release sheet 6 picked pieces 7 Bent part of picked piece 10 cutting lines 11 Connection 12 pasted pieces

Continued front page    (72) Inventor Mitsuo Hoshino               Zenmonbashi, Onomachi, Miwa Town, Asakura District, Fukuoka Prefecture               Address 1713 Nichiban Medical Co., Ltd.               Within (72) Inventor Takashi Shinohara               Zenmonbashi, Onomachi, Miwa Town, Asakura District, Fukuoka Prefecture               Address 1713 Nichiban Medical Co., Ltd.               Within (72) Inventor Naoto Hotta               2-3-3 Sekiguchi, Bunkyo-ku, Tokyo Nichi               Van Co., Ltd.

Claims (4)

(57) [Claims] 1. A pressure-sensitive adhesive layer is provided on one surface of a strip-shaped substrate, and a plurality of pads are placed on the pressure-sensitive adhesive layer at predetermined intervals, and the surfaces of the pad and the pressure-sensitive adhesive layer of the substrate are Covering with a release sheet wider than the strip-shaped substrate, and interposing a tape-like tab between the pressure-sensitive adhesive layer of the substrate and the release sheet along one side edge of the strip-shaped substrate, the stripping of the wide width A continuous cutting line that cuts through the base material, the tab piece, and the release sheet is provided between the pads while leaving the connection portion on both side edges of the sheet, and a plurality of sticking pieces are provided on the release sheet that is continuous at the connection portion. Medical patch that is formed continuously. 2. The medical patch according to claim 1, wherein the knob piece is in the form of a piece of tape. 3. The medical patch according to claim 1, wherein the knob has a tape shape bent along the longitudinal direction, and the bent portion is arranged toward the pad. 4. The medical patch according to any one of claims 1 to 3, wherein a part of the knob piece projects outward from one end of the base material.