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    • 77. 发明申请
    • TOOTHBRUSH WITH SEMI-PERMEABLE HOLLOW FIBERS
    • 具有半透明中空纤维的牙刷
    • WO1992007487A1
    • 1992-05-14
    • PCT/US1991007432
    • 1991-10-08
    • WARNER-LAMBERT COMPANY
    • WARNER-LAMBERT COMPANYPAN, Pauline, H.VAN DONGEN, David, B.
    • A46B11/00
    • A46B11/00A46B2200/1066
    • A toothbrush (10) has a handle (12) and a head (16) which is formed on the handle (12). A plurality of semi-permeable hollow fibers (82) are grouped on the head (16) in outwardly-projecting tufts (86). A diffusible medium (24) that contains appropriate dental agents is held within the lumens (96) of the repective fibers (82). Further, a reservoir (34) may be formed in the handle (32) of the toothbrush (10) to hold the medium (24) and to pass the medium (24) from the reservoir (34) to the lumens (54) of the respective fibers (68). When the hollow fibers (82) are wetted during the brushing process, the agents diffuse through the wall of the semi-permeable hollow fibers (82) onto the teeth and gums. Additionally, standard toothbrush monofilament bristles (74) may also be grouped on the head (76) of the toothbrush (10) in tufts (72) which are interspersed among the tufts (86) of hollow fibers (82). The tufts (86) of hollow fibers (82) and tufts (72) of bristles (74) can be arranged in various patterns on the head (70) of the toothbrush (10) to efficaciously cleanse the teeth and gums and to directly apply the dental agents to the teeth and gums.
    • 牙刷(10)具有手柄(12)和形成在手柄(12)上的头部。 多个半透空心纤维(82)以向外突出的簇(86)分组在头部(16)上。 包含适当的牙科剂的可扩散介质(24)被保持在指向纤维(82)的腔(96)内。 此外,储存器(34)可以形成在牙刷(10)的手柄(32)中以保持介质(24)并使介质(24)从储存器(34)传递到腔(54)的内腔 相应的纤维(68)。 当中空纤维(82)在刷洗过程中被润湿时,试剂通过半渗透性中空纤维(82)的壁扩散到牙齿和牙龈上。 此外,标准牙刷单丝刷毛(74)也可以分组在牙刷(10)的头部(76)上,所述刷毛簇(72)分散在中空纤维(82)的簇(86)之间。 中空纤维(82)的毛簇(86)和刷毛(74)的刷毛簇(72)可以以各种图案布置在牙刷(10)的头部(70)上,以有效地清洁牙齿和牙龈并直接施加 牙齿剂对牙齿和牙龈。