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34 条记录 (耗时 0.016 秒)

    Surgical instrument including viewing optics and an atraumatic probe
    33.
    发明授权
    Surgical instrument including viewing optics and an atraumatic probe 失效
    手术器械包括观察光学元件和无创伤探头

    公开(公告)号：US5735792A

    公开(公告)日：1998-04-07

    申请号：US638680

    申请日：1996-04-29

    申请人： John C. Vanden Hoek ,  Mark Francis Brown ,  Victor Roy Blackledge ,  Miles A. Finn ,  Richard L. Shockey ,  Thomas C. Barthel

    发明人： John C. Vanden Hoek ,  Mark Francis Brown ,  Victor Roy Blackledge ,  Miles A. Finn ,  Richard L. Shockey ,  Thomas C. Barthel

    IPC分类号： A61B1/00 ,  A61B1/04 ,  A61B1/12 ,  A61B1/313

    CPC分类号： A61B1/00087 ,  A61B1/00089 ,  A61B1/00101 ,  A61B1/00135 ,  A61B1/00165 ,  A61B1/00174 ,  A61B1/042 ,  A61B1/127 ,  A61B1/3135

    摘要： A surgical instrument incorporating visualizing optics is disclosed. The instrument comprises a handle supporting a rigid hollow shaft, an expanded tip is located on the distal end of the shaft providing a surface that will not tear or easily penetrate tissue. A fiber-optic assembly, containing at least one illumination transmitting fiber, a plurality of image-carrying fibers and an objective lens mounted near the distal end of the image fibers runs the length of the shaft. The objective lens is positioned relative to an opening in the tip allowing viewing. Light for illuminating the surgical site passes through one or more illumination fibers and through the opening in the tip of the probe. Light reflected from the tissue at the tip of the probe is focused onto the distal face of the image bundle by an objective lens and is then transmitted to the proximal end of the image bundle. Connectors on the proximal ends of the illumination fibers and image fibers facilitate their being coupled to an illumination source and a viewing device.

    摘要翻译： 公开了一种结合可视化光学的手术器械。 仪器包括一个支撑刚性空心轴的手柄，一个位于轴末端的扩张尖端提供不会撕裂或容易穿透组织的表面。 包含至少一个照明传输光纤，多个图像载体光纤和安装在图像光纤远端附近的物镜的光纤组件延伸轴的长度。 物镜相对于尖端中的开口定位，允许观看。 用于照明外科手术部位的光通过一个或多个照明纤维并穿过探针尖端的开口。 从探针尖端的组织反射的光通过物镜聚焦在图像束的远端面上，然后被传送到图像束的近端。 在照明光纤和图像光纤的近端上的连接器有助于它们耦合到照明源和观察装置。

    Servo systems
    34.
    发明授权
    Servo systems 失效
    伺服系统

    公开(公告)号：US4096425A

    公开(公告)日：1978-06-20

    申请号：US680779

    申请日：1976-04-27

    申请人： Ian Francis Brown ,  Colin Keith Sharp

    发明人： Ian Francis Brown ,  Colin Keith Sharp

    IPC分类号： G05B13/02 ,  G05B13/00

    CPC分类号： G05B13/025

    摘要： A servo control system comprising, in a feedback loop, means for providing an error signal representing the difference between desired and actual conditions of a controlled system, and means responsive to said error signal to produce a control signal for the controlled system; the control system also comprising means for injecting a predetermined disturbance signal into the loop, and means responsive to a comparison of said disturbance signal and a loop response signal for varying gain in said loop.

    摘要翻译： 一种伺服控制系统，在反馈回路中包括用于提供表示受控系统的期望和实际状态之间的差异的误差信号的装置，以及响应于所述误差信号以产生受控系统的控制信号的装置; 控制系统还包括用于将预定的干扰信号注入环路的装置，以及响应于所述干扰信号和用于改变所述环路中的增益的环路响应信号的比较的装置。