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    • 60. 发明申请
    • INTRAOCULAR LENS FOR PROVIDING ACCOMODATIVE VISION
    • 用于提供客观视觉的内窥镜
    • WO2011017322A1
    • 2011-02-10
    • PCT/US2010/044248
    • 2010-08-03
    • ABBOTT MEDICAL OPTICS INC.BUMBALOUGH, Timothy, R.
    • BUMBALOUGH, Timothy, R.
    • A61F2/16
    • A61F2/1624A61F2/16A61F2/1613A61F2/1632A61F2/1635A61F2002/1681A61F2002/1682A61F2002/1689A61F2002/169A61F2250/0018
    • An accommodating intraocular lens for providing a range of accommodative vision contains an optic (202,302) and a haptic (204,304). The optic is disposed about an optical axis (a) and includes an anterior surface and a posterior surface defining a clear aperture of the optic. The haptic is at least partially disposed inside the optic and includes an inner structure (208,308), an outer structure (210,310), and a plurality of arms disposed between and connecting the inner structure and the outer structure. The inner structure is circumferentially disposed about the optical axis, while the outer structure is circumferentially disposed about the inner structure and has an outer face. Each arm has proximal portion (214,314) adjacent the inner structure and a distal portion (216,316) adjacent the outer structure that is bifurcated in a radial direction from the proximal portion. The intraocular lens also has an outer surface defined by outer surfaces of the plurality of arms and an outer surface of the outer structure. The inner structure and at least a portion of the arms are disposed inside the clear aperture. The distal portion of each arm has a larger axial extent than an axial extent of the inner portion. The distal portion of each arm has a larger axial extent along the outer surface than an axial extent of the outer structure along the outer surface.
    • 用于提供一定范围的调节视力的适应性眼内透镜包含光学元件(202,302)和触觉件(204,304)。 光学元件围绕光轴(a)设置,并且包括前表面和后表面,其限定光学元件的透明孔径。 触觉件至少部分地设置在光学元件的内部,并且包括内部结构(208,308),外部结构(210,310)以及设置在内部结构和外部结构之间并连接其的多个臂。 内部结构围绕光轴周向设置,而外部结构围绕内部结构周向设置并具有外表面。 每个臂具有邻近内部结构的近端部分(214,314)和邻近外部结构的远端部分(216,316),该近端部分沿远端方向从近端部分分叉。 眼内透镜还具有由多个臂的外表面和外部结构的外表面限定的外表面。 内部结构和臂的至少一部分设置在清洁孔内。 每个臂的远端部分具有比内部部分的轴向范围更大的轴向延伸。 每个臂的远端部分沿着外表面具有比沿着外表面的​​外部结构的轴向范围更大的轴向延伸。