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Endoscope system including endoscope and disposable protection cover

  • US 5,702,347 A
  • Filed: 04/12/1996
  • Issued: 12/30/1997
  • Est. Priority Date: 01/27/1993
  • Status: Expired due to Term
First Claim
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1. An endoscope system comprising:

  • an endoscope having an insertion section for inserting into a cavity under inspection and an operation section to which a proximal end of the insertion section is connected; and

    a protection cover having an insertion section cover for covering said insertion section of the endoscope and conduit channels extending within said insertion section cover, wherein said endoscope comprises a bending portion which has a first radius of curvature of bending movement in a first direction, which is opposite to a second direction in which said conduit channels are arranged viewed in a radial direction of said endoscope, said first radius of curvature being smaller than a second radius of curvature of bending movement of the bending portion in said second direction, wherein when the insertion section and the insertion section cover are assembled together, the resultant assembly has a radius of curvature in said first direction which is substantially equal to the radius of curvature of the resultant assembly in said second direction.

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