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Mechanical steering mechanism for borescopes, endoscopes, catheters, guide tubes, and working tools

  • US 20040059191A1
  • Filed: 06/17/2003
  • Published: 03/25/2004
  • Est. Priority Date: 06/17/2002
  • Status: Abandoned Application
First Claim
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1. A mechanism for articulating the distal end of an elongated tool through movement of drums, with wires coupled to the drums and connecting the mechanism to the distal end of the tool, the mechanism comprising:

  • a rotatable shaft coupled to one drum;

    a joystick coupled to the shaft, for rotating the shaft when the joystick is moved in a first plane;

    an arc arm rotatable about an axis transverse to the shaft axis by movement of the joystick in a plane transverse to the first plane; and

    a gear system for translating rotation of the arc arm to rotation of a second drum.

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