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Treatment accessory for endoscope

  • US 5,957,900 A
  • Filed: 07/09/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 07/10/1996
  • Status: Expired due to Fees
First Claim
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1. An accessory for an endoscope, comprising a tube, said tube being provided with a distal end portion, said distal end portion having a plurality of openings, said tube having a flexible portion at least at said distal end portion thereof, a plurality of slits extending along the axis of said tube and formed on said flexible portion to define bendable band sections, a mechanism applying a force in a direction where said flexible portion is compressed along the axis of said tube, said mechanism including a wire, a distal end of said wire being connected to the distal end portion of said tube, said plurality of openings being formed as said bendable band sections expand radially due to the force applied by said mechanism, and a clearance between the wire and the inner surface of the tube allowing fluid to flow through said clearance and said plurality of openings.

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