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    GASTRORETENTIVE PHARMACEUTICAL DOSAGE FORM
    1.
    发明公开
    GASTRORETENTIVE PHARMACEUTICAL DOSAGE FORM 审中-公开

    公开(公告)号：EP4238556A1

    公开(公告)日：2023-09-06

    申请号：EP21885314.1

    申请日：2021-10-29

    申请人： Triastek, Inc.

    发明人： DENG, Feihuang ,  ZHENG, Yu ,  YAO, Juan ,  LI, Xiaoling ,  CHENG, Senping ,  ZUO, Xianghao

    IPC分类号： A61K9/22 ,  A61K9/52 ,  A61K9/48 ,  A61K9/70 ,  A61D7/00 ,  A61J3/07

    摘要： A pharmaceutical dosage form, comprising: a pharmaceutical unit which includes a medicament, at least one unfolding member, and a retaining member, wherein the unfolding member is connected to the pharmaceutical unit, and is constructed to have a contracted shape, which makes the unfolding member become closer to the pharmaceutical unit, and an unfolding shape, which makes the unfolding member become farther away from the pharmaceutical unit; the retaining member is connected to the at least one unfolding member, and applies a constraint force to the at least one unfolding member, so as to make the unfolding member be in the contracted shape; and the retaining member contains a water-soluble material, and is constructed to remove the constraint force from the unfolding member when the water-soluble material is dissolved, such that the at least one unfolding member can change from the contracted shape to the unfolding shape.