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Deflectable endoscope

  • US 5,168,864 A
  • Filed: 09/26/1991
  • Issued: 12/08/1992
  • Est. Priority Date: 09/26/1991
  • Status: Expired due to Term
First Claim
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1. An endoscope, comprising:

  • (a) a tubular, generally flexible body member having a distal end, a proximal end, and a first lumen extending therebetween;

    (b) a tubular, generally rigid first guide tube means having a distal end and received within said first lumen for reinforcing said body member over the length of said first guide tube means, said first guide tube means extending from said body member'"'"'s proximal end toward, but short of, said distal end of said body member and being longitudinally slidable within said first lumen, said first guide tube means defining a flexible portion of said body member between said distal end of said guide tube means and said distal end of said body member; and

    (c) a pull-wire for manipulating said body member'"'"'s distal end, said pull-wire being disposed within said first lumen and extending from said proximal end of said body member to a point fixedly connected to said body member'"'"'s distal end such that tensioning said pull-wire in a proximal direction causes said flexible portion of said body member to bend about said distal end of said first guide tube means.

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