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    • 3. 发明授权
    • Customized vision correction method and business
    • 定制视力矫正方法和业务
    • US06499843B1
    • 2002-12-31
    • US09661028
    • 2000-09-13
    • Ian G. CoxHoward P. MarkmanKamal SarbadhikariRonald J. MartinoKristian Hohla
    • Ian G. CoxHoward P. MarkmanKamal SarbadhikariRonald J. MartinoKristian Hohla
    • A61B300
    • A61B3/0025A61B5/0002
    • A method and business architecture for providing vision correction to a patient involves obtaining wavefront aberration measurement information and, optionally, patient history data, ordering data, dispensing data, billing data, and other information, from the patient; transmitting the various data to respective appropriate platforms, e.g., transmitting the wavefront aberration information to a custom lens supply platform; producing a custom lens for the patient; and delivering a custom lens to the patient in a personalized manner. The method further involves fitting and measurement processes including in-situ lens shaping and custom manufacture of contact lenses, IOLs, inlays or onlays by laser ablation, lathing, casting/molding and machining. Business architectures according to the invention include segregating vision correction method steps into contractual, revenue generating business transactions.
    • 用于向患者提供视力矫正的方法和业务架构包括从患者获得波前像差测量信息和可选地获得患者病史数据,排序数据,分配数据,记帐数据和其他信息; 将各种数据传送到相应的适当的平台,例如将波前像差信息传送到定制的镜头供应平台; 为患者生产定制镜片; 并以个性化的方式向患者提供定制镜片。 该方法还涉及包括原位透镜成形和定制制造隐形眼镜,IOL,嵌体或嵌体的激光烧蚀,车床,铸造/模制和机加工的装配和测量过程。 根据本发明的业务架构包括将视觉校正方法步骤分离成合同的创收业务交易。
    • 5. 发明授权
    • System and method with refractive corrections for controlled placement of a laser beam's focal point
    • 具有折射校正的系统和方法,用于受控放置激光束的焦点
    • US08807752B2
    • 2014-08-19
    • US13415679
    • 2012-03-08
    • Frieder LoeselKristian HohlaGwillem Mosedale
    • Frieder LoeselKristian HohlaGwillem Mosedale
    • A61B3/14
    • A61F9/00825A61F9/00834
    • A methodology is provided for correcting the placement of a laser beam's focal point. Specifically, this correction is done to compensate for displacements of the focal point that may be caused when implant material (e.g. an Intraocular Lens (IOL)) is positioned on the optical path of the laser beam. The methodology of the present invention then determines a deviation of the laser beam's refracted target position (uncompensated) from its intended target position. A calculation of the deviation includes considerations of the laser beam's wavelength and refractive/diffractive characteristics introduced by the implant material. This deviation is then added to the refracted target position to make the refracted target position coincide with the intended target position of the focal point. The laser beam will then focus to its intended target position.
    • 提供了一种校正激光束焦点位置的方法。 具体地,进行这种校正以补偿当植入材料(例如人造眼镜(IOL))位于激光束的光路上时可能引起的焦点位移。 然后,本发明的方法确定激光束的折射目标位置(未补偿)与其预期目标位置的偏差。 偏差的计算包括激光束的波长和由植入材料引入的折射/衍射特性的考虑。 然后将该偏差加到折射目标位置,以使折射的目标位置与焦点的预期目标位置一致。 然后激光束将聚焦到其预期的目标位置。
    • 8. 发明申请
    • Apparatus and method for topographical parameter measurements
    • 用于地形参数测量的装置和方法
    • US20060158612A1
    • 2006-07-20
    • US11311022
    • 2005-12-19
    • Hans-Joachim PollandStefan Seitz ( Franzke)Kristian Hohla
    • Hans-Joachim PollandStefan Seitz ( Franzke)Kristian Hohla
    • A61B3/14
    • A61B3/107
    • A topographical parameter measuring device and method utilizes a technique based on wave front reconstruction according to, e.g., Hartmann-Shack principles. The device includes a planar illuminator comprising a known array of illumination sources for projecting a light spot pattern onto a target surface. A CCD camera detects the positions of the reflected image spots in a manner similar to that in a Hartmann-Shack wave front sensor. The displacements of the light spots from reference coordinates are indicative of the slope of the surface at the plurality of sample points. A computational component is used to fit the slope data of a reference surface and the target surface to a polynomial, for example, a Zernike polynomial. The polynomial, properly weighted with the calculated coefficients, provides a continuous mapping of the elevation of the target surface. Based on the elevation data, all other topographical parameters including axial curvature, dioptric power, sphere, cylinder and others can be computed and displayed.
    • 地形参数测量装置和方法利用例如基于Hartmann-Shack原理的基于波前重建的技术。 该装置包括平面照明器,其包括用于将光点图案投射到目标表面上的已知阵列的照明源。 CCD相机以类似于Hartmann-Shack波前传感器的方式检测反射图像的位置。 光点从参考坐标的位移表示多个采样点处的表面的斜率。 使用计算组件将参考表面和目标表面的斜率数据拟合为多项式,例如Zernike多项式。 用计算出的系数适当加权的多项式提供目标表面的高程的连续映射。 根据高程数据,可以计算和显示包括轴向曲率,屈光度,球面,圆柱等的所有其他形貌参数。
    • 9. 发明授权
    • Excimer laser system for correction of vision with reduced thermal effects
    • 准分子激光系统用于校正视力,降低热效应
    • US06635051B1
    • 2003-10-21
    • US09567570
    • 2000-05-05
    • Kristian Hohla
    • Kristian Hohla
    • A61F9007
    • A61F9/008A61B2017/00061A61F9/00804A61F9/00817A61F2009/00872A61F2009/00882A61F2009/00897
    • A apparatus and method for controlling an apparatus for removing tissue from the eye performs various types of corrections using a relatively large beam, but oscillating, or dithering, that being to prevent reinforcing ridges from being formed during the tissue removal process. Further, various types of correction, such as hyperopia and astigmatism correction, are performed using a large beam that is scanned over the area to be ablated using overlapping shots. Further, the epithelium in the area to be treated is removed using an infrared fluorescent dye to dye the epithelium, and then observing the fluorescent patterns from the epithelium area to be removed. Once a certain area is no longer fluorescent after laser shots, smaller shots are then applied, selectively removing the epithelium from the remaining regions. Again, the fluorescence patterns are observed, and the process is repeated until no epithelium remains. At this point, all of the epithelium is removed, and further a map is created of the initial epithelial thickness at each point in the area from which the epithelium was removed. Using two astigmatism correcting ablation patterns intersecting at an angle, a lens is created capable of correcting for myopia, hyperopia, and astigmatism. Further, overlapping shots using a relatively large fixed spot size provide for reduced thermal heating, ridgeless treatment patterns, reduced shot count, and simplified equipment.
    • 用于控制从眼睛去除组织的装置的装置和方法使用相对大的光束进行各种类型的校正,但是振荡或抖动,以防止在组织去除过程期间形成增强脊。 此外,使用在使用重叠拍摄的要消融的区域上扫描的大束来执行各种类型的校正,例如远视和散光校正。 此外,使用红外荧光染料除去待处理区域中的上皮以染色上皮,然后观察去除上皮区域的荧光图案。 一旦激光照射后某一区域不再荧光,则施加较小的照片,从其余区域选择性地去除上皮。 再次,观察荧光图案,重复该过程,直到没有上皮残留。 此时,除去所有的上皮细胞,并且进一步在去除上皮的区域的每个点处产生初始上皮厚度的图。 使用两个散光校正与某个角度相交的消融图案,创建能够矫正近视,远视和散光的镜片。 此外,使用相对大的固定点尺寸的重叠拍摄提供减少的热加热,无脊椎处理图案,减少的拍摄次数和简化的设备。