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Endoscope biopsy channel liner and associated method

  • US 5,746,694 A
  • Filed: 05/16/1996
  • Issued: 05/05/1998
  • Est. Priority Date: 05/16/1996
  • Status: Expired due to Term
First Claim
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1. A method for preparing an endoscope for an endoscope surgical operation, comprising:

  • providing an endoscope having an insertion member with a biopsy channel extending between a distal end of said insertion member and a proximal end thereof;

    also providing a tubular liner element having a distal end attached to a distal end of a tubular sheath, said sheath being initially in an inside-out configuration so that said liner element projects free of said sheath;

    disposing said sheath about said insertion member to enclose at least a distal end portion of said insertion member in a fluid tight seal inside said sheath, the disposing of said sheath about said insertion member including inverting said sheath, said inverting proceeding from the distal end of said insertion member towards the proximal end thereof;

    inserting said liner element into said biopsy channel from one end thereof; and

    attaching said distal end of said liner element to said insertion member at least at the distal end thereof, said liner element being attached to said insertion member via said sheath.

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