Poultice and process for producing the poultice
A manufacturing method and technology of cataplasm, applied in medical science, sheet-like transportation, bandages, etc., can solve problems such as detachment and non-formed part 615 detachment, and achieve the effect of inhibiting detachment
Inactive Publication Date: 2010-03-31
NIPRO PATCH
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Problems solved by technology
[0005] Patent Document 1: Japanese Patent Application Laid-Open No. 9-110679 However, in the above-mentioned cataplasm 600, since there is no plaster layer 620 at the non-formed part 615, the non-formed part 615 will be removed from the user's skin during use. Detachment at S (refer to Figure 8 (A))
Therefore, if an external force Q generated by friction or the like is applied to the cataplasm 600, the cataplasm 600 will be easily detached from the skin S starting from the non-formed part 615 (refer to Figure 8 (B))
Method used
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Embodiment 1-6
[0127] According to formula shown in table 1, utilize conventional method to make paste. This paste is laminated on a support made of nonwoven fabric, further coated with a release film, and pressed with a frame under an appropriate pressure. After that, it was accommodated in a laminated bag, and the bag was left to stand for several days in a state where a plurality of sheets were stacked. The following evaluation experiments were carried out on the cataplasm after placement.
[0128] [Table 1]
[0129] Composition
[0130] (The values are all in quality)
Embodiment 7
[0148] Except that the paste made in embodiment 1 is 0.035g / cm per unit area 2 A patch was prepared in the same procedure as in Example 1, except that the ratio was coated on the support.
Embodiment 8
[0150] Remove the paste with a unit area of 0.05g / cm 2 A patch was prepared in the same procedure as in Example 7, except that the ratio was coated on the support.
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This invention provides a poultice, which can prevent both runover of a medicated layer and separation from a subject for which the poultice is applied, and a process for producing the poultice. A poultice (10) comprises a support (20) and a medicated layer (30) provided on the support (20) and formed of a medicine. The medicated layer (30) comprises edge parts (31) which are a part extended fromthe outer periphery inward by not more than 5 mm, and a central part (33) held between the edge parts (31). The mass of the medicine per unit area of the whole medicated layer (30) is not more than 0.10 g / cm<2>, and the mass of the medicineper unit area in the edge parts (31) is not less than 70% of the mass of the medicine per unit area in the central part (33).
Description
technical field [0001] The invention relates to a cataplasm and a method for producing the cataplasm. Background technique [0002] Currently, various cataplasms containing medicinal ingredients have been developed and commercialized. Image 6 It is a sectional view of an edge portion of a cataplasm 500 in the prior art. Such as Image 6 As shown, the cataplasm 500 in the prior art includes: a support body 510 formed of non-woven fabric, and a paste layer 520 located on the support body 510, and the paste layer 520 is formulated with medicinal ingredients. [0003] With regard to the patch 500 described above, after the plaster layer 520 is covered with the release sheet 530, the cataplasm is circulated in a multi-layered state. Therefore, each cataplasm 500 needs to bear a large pressure P, and sometimes the paste layer 520 is extruded from the edge of the cataplasm. At this time, since the extruded plaster layer 520 adheres to the user, etc., the usability of the patch 5...
Claims
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IPC IPC(8): A61K9/70A61L15/00
CPCA61K9/7061A61P17/00A61K9/70A61L15/10
Inventor 野口宪一
Owner NIPRO PATCH