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    • 7. 发明申请
    • SYRINGES FOR DISPENSING MULTI-COMPONENT MATERIAL
    • 用于分配多组分材料的注射剂
    • WO2010093575A3
    • 2011-03-24
    • PCT/US2010023450
    • 2010-02-08
    • 3M INNOVATIVE PROPERTIES COBOEHM ANDREAS JPEUKER MARCWALTER ALEXANDERROHMER BRIGITTE
    • BOEHM ANDREAS JPEUKER MARCWALTER ALEXANDERROHMER BRIGITTE
    • A61C9/00A61C5/06B05C17/005
    • A61C9/0026A61C5/62A61C5/64B05B11/0094B05C17/00553
    • A syringe (1) for dispensing a multi-component material comprises: a syringe cartridge (3) having a first end and a second end, and respective compartments (5, 7) for components of the multi-component material; a static mixer (9) connected to the first end of the cartridge, the mixer having a dispensing outlet (11); and a plunger assembly (13) that is movable into the syringe cartridge at the second end to dispense material from the first end. The connection (21) between the static mixer (9) and the first end of the syringe cartridge (3) comprises a flow-directing mechanism having a venting position in which the cartridge compartments (5, 7) are cut off from the static mixer and are in communication independently with respective venting outlets, and a dispensing position in which the cartridge compartments are in communication with the static mixer and are cut off from the venting outlets. The syringe cartridge (3) is formed, at one end, with entry ports (16, 18) through which components of the multi-component material can be loaded into the compartments from a supply cartridge (40, Fig. 5). The entry ports (16, 18) have upstanding collars (49, 51, Fig. 5) for sealing to respective outlets (47, Fig. 5) of the supply cartridge (40), at least a portion of each upstanding collar being formed to be located inside the respective outlet of the supply cartridge, whereby material is removed from within the outlets when the syringe is removed from the supply cartridge.
    • 用于分配多组分材料的注射器(1)包括:具有第一端和第二端的注射器药盒(3)和用于多组分材料的部件的相应隔室(5,7); 连接到所述盒的第一端的静态混合器(9),所述混合器具有分配出口(11); 以及柱塞组件(13),其在第二端处可移动到注射器药盒中以从第一端分配材料。 静态混合器(9)和注射器药盒(3)的第一端之间的连接件(21)包括一个具有通气位置的流动引导机构,在该通气位置中,盒隔间(5,7)与静态混合器 并且与相应的通气出口独立地连通,以及分配位置,其中盒隔室与静态混合器连通并从通气出口切断。 注射器药盒(3)在一端形成有入口(16,18),多组分材料的组分可以通过该进口(16,18)从供给盒(图5中的40)装载到隔室中。 入口(16,18)具有用于密封供应盒(40)的相应出口(图5)的直立的环(49,51,图5),形成每个直立轴环的至少一部分 位于供应盒的相应出口的内部,从而当注射器从供应盒中取出时,材料从出口内被移除。