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AssigneesAsti Corporation, Kinki Seiko Co., Ltd.
InventorsNoriyuki OGAI, Yasuhiro TODA, Isamu NONAKA, Kimiaki IWAHORI, Yasuhiro HATAZAWA, Kosuke HATAZAWA, Masahiro TERAMOTO
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A microneedle manufacturing method for manufacturing a microneedle provided with a vertical hole as a liquid drug flow channel and a horizontal hole as a liquid drug discharge port connected to the vertical hole, wherein a slide pin for molding the horizontal hole is formed in a molding die; a core pin for molding the vertical hole is brought into contact with the formed slide pin; a resin is filled in the molding die in the state described above; and after a curing period, the core pin is retracted and the slide pin is pulled out so as to integrally mold the microneedle provided with the vertical hole as the liquid drug flow channel and the horizontal hole as the liquid drug discharge port connected to the vertical hole in a penetrating state.
A microneedle manufacturing method, for manufacturing a microneedle provided with a vertical hole serving as a medical solution flow path, and a connected horizontal hole serving as a medical solution discharge port in a penetrated state, wherein:
A microneedle provided with a vertical hole serving as a medical solution flow path, and a connected horizontal hole serving as a medical solution discharge port in a penetrated state, and molded integrally.
Dependencies are inferred from the claim text.