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Endoscope

  • US 5,005,558 A
  • Filed: 05/16/1989
  • Issued: 04/09/1991
  • Est. Priority Date: 05/16/1988
  • Status: Expired due to Term
First Claim
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1. An endoscope comprising:

  • an operating body having an operating knob thereon;

    a flexible insertion tube connected to the operating body, including a flexible tube part, a bending tube part and an end part, in series; and

    wires for bending the bending tube part of the flexible insertion tube by operating the operating knob,the bending tube part comprising;

    ring link members having peripheral holes, the wires passing through the peripheral holes; and

    flexible connection members for coupling two adjacent ring link members at alternate pairs of sides to connect the ring link members with one another in series, each connection member being composed of a single flexible elongate member which is flexible in a direction approximately perpendicular to its longitudinal direction, the opposite ends of each flexible connection member being secured to the ring link members.

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