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    • 10. 发明申请
    • Multi-piece intraocular lens
    • 多片眼内镜
    • US20050288785A1
    • 2005-12-29
    • US11178114
    • 2005-07-08
    • Valdemar PortneyDonald HorvatichVictor Garcia
    • Valdemar PortneyDonald HorvatichVictor Garcia
    • A61F2/16B29C65/56B29C65/58B29D11/02
    • A61F2/1648A61F2/16A61F2002/1681A61F2002/1686A61F2220/0033A61F2250/0018B29C65/56B29C65/58B29C66/30325B29C66/71B29D11/023B29L2011/0041B29K2021/00
    • A multi-piece intraocular lens (IOL) has an optic constructed of an elastomeric plastic and an opposing pair of attachment members (haptics) constructed of a rigid plastic material. The optic or haptics have one or more small, tear drop-shaped, inlet recesses formed into each from a peripheral edge region. The haptics or optic are formed having peripheral edge protuberances matching in size, shape and position corresponding optic or haptic inlet recesses. The protuberances dovetail into the corresponding inlet recesses and are cemented therein to lock the haptics and optic together. Methods for manufacturing a multi-piece IOL include forming the haptics from a modified haptic blank and the optic from a modified optic blank. After the haptic or optic protuberances are dovetailed and cemented into the optic or haptic inlet recesses, the haptics and optic are milled or lathed from the respective haptic and optic blanks to provide a completed multi-piece IOL.
    • 多片眼内透镜(IOL)具有由弹性塑料和由刚性塑料材料构成的相对的一对连接构件(触觉件)构成的光学构件。 光学元件或触觉元件具有从外围边缘区域形成为每个的一个或多个小的泪滴形入口凹部。 触觉件或光学元件形成为具有在尺寸,形状和位置上匹配的具有相应的光学或触觉入口凹部的周边边缘突起。 突出部分与相应的入口凹槽相连,并且粘结在其中以将触觉件和光学元件锁定在一起。 用于制造多件式IOL的方法包括从修改的触觉空白形成触觉​​件,并且从修改的光学毛坯形成光学元件。 在触觉或光学突起被嵌合并粘合到光学或触觉入口凹部中之后,从相应的触觉和光学毛坯中研磨或车削触觉件和光学器件,以提供完整的多件式IOL。