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    Intraocular lens injection instrument
    1.
    发明公开
    Intraocular lens injection instrument 有权
    Injektionsvorrichtungfüreine Intraokularlinse

    公开(公告)号：EP2364673A1

    公开(公告)日：2011-09-14

    申请号：EP11156977.8

    申请日：2011-03-04

    申请人： Nidek Co., Ltd.

    发明人： Nagasaka, Shinji ,  Natsume, Akiyoshi ,  Hisada, Shota ,  Kobayashi, Takashi

    IPC分类号： A61F2/16

    CPC分类号： A61F2/167

    摘要： An intraocular lens injection instrument (10) for injecting an intraocular lens (IOL) (1, 1a) including an optical part (2) and support parts (3) into an eye by folding the IOL, comprises: a cylindrical body part (30) provided, at its front end, with an injection tubular part (20) configured to inject the IOL into the eye through an incision formed in the eye and including a setting part (22) in which the IOL is to be set; and a plunger (40, 40b-40e) for pushing the IOL out of the injection tubular part, the plunger being placed in the cylinder body part to be movable in an axial direction of the cylinder body part and having a tip portion (44), characterized by a part of an outer peripheral region of the plunger is formed with asperities (RF, RF2-RF6, G) to generate a predetermined frictional force by contact with the IOL, the predetermined frictional force being larger than a frictional force generated in the other part of the outer peripheral region of the plunger by contact with the IOL.

    摘要翻译： 一种用于通过折叠IOL将包括光学部件（2）和支撑部件（3）的眼内透镜（I，1a）（1,1a）注入眼睛的眼内透镜注射器具（10）包括：圆柱形主体部分 ）在其前端设置有注射管状部件（20），该注射管状部件（20）构造成通过形成在眼睛中的切口将IOL注射到眼睛中，并且包括其中将设置IOL的固定部分（22） 以及用于将IOL推出注射管状部分的柱塞（40,40b-40e），柱塞被放置在缸体部分中，以能够沿缸体部分的轴向移动并具有尖端部分（44） 其特征在于，所述柱塞的外周区域的一部分由凹凸（RF，RF2-RF6，G）形成，以通过与所述IOL接触而产生预定的摩擦力，所述预定摩擦力大于 柱塞的外周区域的另一部分与IOL接触。