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    • 4. 发明授权
    • Endoscope objective
    • 内窥镜目标
    • US06635010B1
    • 2003-10-21
    • US09507196
    • 2000-02-18
    • Frank Lederer
    • Frank Lederer
    • A61B100
    • G02B23/243
    • Endoscope objective having a viewing direction including an angle 0° relative to the longitudinal axis of the endoscope, comprising a lens system imaging the object field into a single image plane disposed orthogonally on the longitudinal axis, and a prism unit disposed downstream of the distal window of the endoscope along the imaging path, in which the beam is reflected on two boundary surfaces such that the beam will be deflected in the prism unit from the desired viewing direction into the longitudinal axis of the endoscope, wherein a coating is applied on at least one surface on the prism unit, which comprises a thin layer having a refractive index smaller than the refractive index of the material which said prism unit is made of, so that total reflection against the layer occurs. The invention is characterized by the provision that the coating is applied to that surface of the prism unit which faces the glass cover of the endoscope.
    • 具有包括相对于内窥镜的纵向轴线的角度> 0度的观察方向的内窥镜物镜,包括将所述物体场成像为在所述纵向轴线上正交设置的单个图像平面的透镜系统和设置在所述纵向轴线的下游的棱镜单元 沿着成像路径的内窥镜的远端窗口,其中光束在两个边界表面上反射,使得光束将在棱镜单元中从期望的观察方向偏转到内窥镜的纵向轴线,其中涂覆 棱镜单元上的至少一个表面,其包括折射率小于所述棱镜单元的材料的折射率的薄层,从而发生对层的全反射。 本发明的特征在于,将涂层施加到面向内窥镜的玻璃罩的棱镜单元的表面。
    • 7. 发明授权
    • Exoscope
    • 外表
    • US08702602B2
    • 2014-04-22
    • US13436231
    • 2012-03-30
    • George BerciBenedikt KoehlerChristoph LeidoltFrank LedererUlrich WeigerJan DahmenFang Lei
    • George BerciBenedikt KoehlerChristoph LeidoltFrank LedererUlrich WeigerJan DahmenFang Lei
    • A61B1/06
    • A61B90/361A61B90/30
    • An exoscope serves for observing and illuminating an object field on a patient from a position set apart from the patient's body. A lens system serves to observe the object field and an illumination serves to illuminate the object field. A distance between the lens system and the object field can be modified by a bracket. A shaft comprises on its distal end a head member that is widened in comparison to it, so that the illumination reaches into the distal-side head member. Positioned in the head member is at least one radiating illumination unit whose radiant characteristic can be adjusted in such a way that the object field can be illuminated homogeneously at all possible distances from the lens system. Supply lines for the at least one illuminating unit are positioned in the shaft.
    • 外窥镜用于从与患者身体分离的位置观察和照射患者上的物体区域。 透镜系统用于观察物场,并且照明用于照亮物场。 透镜系统和物体场之间的距离可以通过支架进行修改。 轴在其远端包括与其相比加宽的头部构件,使得照明到达远侧侧头部构件。 位于头部构件中的是至少一个辐射照明单元,其辐射特性可以以使得物场能够在距离透镜系统的所有可能距离均匀地被照射的方式被调整。 用于至少一个照明单元的供应线定位在轴中。