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Endoscope

  • US 7,409,130 B2
  • Filed: 10/15/2004
  • Issued: 08/05/2008
  • Est. Priority Date: 10/16/2003
  • Status: Active Grant
First Claim
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1. An endoscope comprising:

  • an elongated insertion section which has a distal end portion and is inserted into a body cavity, the insertion section having a rigid portion body on the distal end portion, the rigid portion body having at least one mounting hole in which each of optical members of an observation optical system and an illumination optical system is mounted, a binding portion which mechanically restricts the optical member with respect to the rigid portion body is provided on at least a part of the boundary between the mounting hole and the optical member mounted in the mounting hole;

    wherein the binding portion includes a holding portion which extends from the peripheral edge of an opening portion of the mounting hole toward the inside of the opening portion and retains the optical member and the holding portion includes a worked portion which is formed by machining the peripheral edge of the mounting hole and holds the optical member to the rigid portion body.

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