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    • 7. 发明授权
    • Torsional strain relief for borescope
    • 针对孔镜的扭转应变消除
    • US4989581A
    • 1991-02-05
    • US531557
    • 1990-06-01
    • Richard A. TamburrinoAlan S. Knieriem
    • Richard A. TamburrinoAlan S. Knieriem
    • A61B1/005G02B23/24
    • G02B23/2476A61B1/0055
    • A torsional strain relief assembly is provided for absorbing torsional strain at the proximal end of an elongated flexible insertion tube of a borescope or endoscope. The insertion tube is torsionally stiff, i.e. is bendable but resists rotation or twisting about its axis. The strain relief has a tubular rigid sleeve that is attached at its proximal end to a frame or housing, and contains a helical torsion spring whose proximal end is rotationally affixed to the frame. A bushing is rotatably disposed within the distal end of the sleeve and joins the distal end of the spring to the proximal end of the insertion tube. A layer of low friction material such as PTFE can be interposed between the bushing and the inner surface of the rigid sleeve. Rotation of the insertion tube due to bending and twisting is taken up by the spring, and the spring returns the insertion tube to the original position when the twisting forces are relieved. The oeprator can track the orientation of the optical or video imager in the head of the insertion tube by viewing a reference mark or index at the proximal end of the insertion tube.
    • 提供扭转应变消除组件用于吸收管腔或内窥镜的细长柔性插入管的近端处的扭转应变。 插入管是扭转的,即可弯曲的,但是抵抗围绕其轴的旋转或扭转。 应变消除件具有管状刚性套筒,其在其近端附接到框架或壳体,并且包含螺旋扭簧,其近端旋转地固定到框架。 衬套可旋转地设置在套管的远端内,并将弹簧的远端连接到插入管的近端。 可以在衬套和刚性套筒的内表面之间插入诸如PTFE的低摩擦材料层。 由于弯曲和扭转引起的插入管的旋转被弹簧吸收,并且当扭转力被释放时,弹簧将插入管返回到初始位置。 检测器可以通过观察插入管的近端处的参考标记或折射率来跟踪插入管的头部中的光学或视频成像器的取向。
    • 9. 发明授权
    • Motorized mirror assembly
    • 电动镜组件
    • US5122900A
    • 1992-06-16
    • US610693
    • 1990-11-08
    • Richard A. TamburrinoAlan S. Knieriem
    • Richard A. TamburrinoAlan S. Knieriem
    • G02B7/182G02B23/16G02B23/24
    • G02B23/2423G02B23/16G02B7/1827
    • A compact self-contained fail-safe motorized mirror assembly is provided for selective attachment to the end of a borescope insertion tube, attachment is through three self-locking standoff pins threaded on each end for engagement in the mirror assembly housing and the head connector of the insertion tube. One end of each pin and its socket is right-hand threaded and the other is left-hand threaded. A simplified bayonet style battery housing and motor "on/off" switch are provided at the other end of the housing to complete the assembly so that actuation of the motor can only be accomplished by deliberate rotation of the battery housing end and it cannot be accidentally disengaged except by a compound reverse motion of the end cap.
    • 提供一种紧凑的独立的故障安全电动反射镜组件,用于选择性地连接到管道镜插入管的端部,附接通过在每个端部上螺纹连接的三个自锁支座销,用于接合在反射镜组件壳体中,并且头连接器 插管。 每个销的一端和其插座是右旋螺纹,另一端是左手螺纹。 在壳体的另一端设有简单的卡口式电池壳体和电动机“开/关”开关,以完成组件,从而电动机的致动只能通过蓄电池壳体端部的有意旋转来实现,并且不会意外 脱开,除了端盖的复合反向运动。