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    • 2. 发明授权
    • Real-time analysis keratometer
    • 实时分析角膜曲率计
    • US4692003A
    • 1987-09-08
    • US549157
    • 1983-11-07
    • Iwao P. AdachiYoshifumi AdachiRobert E. Frazer
    • Iwao P. AdachiYoshifumi AdachiRobert E. Frazer
    • A61B3/107A61B3/10
    • A61B3/107
    • A computer assisted keratometer in which a fiducial line pattern reticle illuminated by CW or pulsed laser light is projected on a corneal surface through lenses, a prismoidal beamsplitter quarterwave plate, and objective optics. The reticle surface is curved as a conjugate of an ideal corneal curvature. The fiducial image reflected from the cornea undergoes a polarization shift through the quarterwave plate and beamsplitter whereby the projected and reflected beams are separated and directed orthogonally. The reflected beam fiducial pattern forms a moire pattern with a replica of the first recticle. This moire pattern contains transverse aberration due to differences in curvature between the cornea and the ideal corneal curvature. The moire pattern is analyzed in real time by computer which displays either the CW moire pattern or a pulsed mode analysis of the transverse aberration of the cornea under observation, in real time. With the eye focused on a plurality of fixation points in succession, a survey of the entire corneal topography is made and a contour map or three dimensional plot of the cornea can be made as a computer readout in addition to corneal radius and refractive power analysis.
    • 计算机辅助角膜曲率计,其中通过CW或脉冲激光照射的基准线图案掩模版通过透镜,棱镜分束器四分之一波长板和物镜光学投影在角膜表面上。 标线片表面作为理想角膜曲率的共轭弯曲。 从角膜反射的基准图像经过四分之一波片和分束器的偏振偏移,由此投影和反射的光束被分离和正交定向。 反射光束基准图形形成具有第一直角的复制品的莫尔图案。 由于角膜与理想的角膜曲率之间的曲率差异,该波纹图案包含横向像差。 通过计算机实时分析莫尔条纹图案,实时显示CW波纹图案或观察到的角膜横向像差的脉冲模式分析。 随着眼睛连续地集中在多个固定点上,进行整个角膜形貌的调查,并且除了角膜半径和屈光力分析之外,可以将角膜的轮廓图或三维图形作为计算机读取。
    • 4. 发明授权
    • Particulate water-absorbent resin composition
    • 颗粒状吸水性树脂组合物
    • US07285615B2
    • 2007-10-23
    • US10926992
    • 2004-08-27
    • Yoshifumi AdachiToshimasa KitayamaYorimichi Dairoku
    • Yoshifumi AdachiToshimasa KitayamaYorimichi Dairoku
    • C08F2/00C08F120/02C08F20/06A61F13/00
    • A61L15/60Y10T428/2982
    • An object of the present invention is to provide a particulate water-absorbent resin composition which is so excellent that: the absorption ability in an initial short time is secured in some degree, and further, the absorption capacity lastingly increases over a long period, and also the liquid permeability and the liquid diffusibility can be secured. As a means of achieving this object, a particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a carboxyl-group-containing water-absorbent resin in an amount of not smaller than 80 mass %, with the composition being characterized by being: not less than 20 g/g in specific-particle-diameter absorption capacity under load (0.29 psi (2.00 kPa), 1 hour); and not less than 3 g/g in specific-particle-diameter absorption index increment in 20 hours.
    • 本发明的目的是提供一种如此优异的颗粒状吸水性树脂组合物,其在初期短时间内的吸收能力在一定程度上得到保证,而且吸收能力在长时间内持续增加, 还可以确保液体渗透性和液体扩散性。 作为实现该目的的手段,本发明的颗粒状吸水性树脂组合物是含有不小于80质量%的含羧基的吸水性树脂的颗粒状吸水性树脂组合物, 该组合物的特征在于:在负载(0.29psi(2.00kPa)下1小时)的特定粒径吸收容量不小于20g / g; 并且在20小时内的特定粒径吸收指数增量不小于3g / g。