Patent ID: 6142931
Filing Date: 2000-11-07
Classification: A61B

Abstract:
An endoscope guide tube unit comprising:a first elongated sheath-like member adapted to be inserted into a body cavity of a subject, said first sheath-like member having a side wall section and a closed distal-end section and having a mouth section at a proximal end through which an endoscope and at least one treatment tool are insertable, wherein the side wall section has an opening through which the affected region is treated, and wherein the mouth section is dimensioned such that both the endoscope and the at least one treatment tool can be freely inserted at the same time and such that the at least one treatment tool can be operated to be freely moved within the first sheath-like member to treat the affected region;a holder provided on a proximal-end side of the first sheath-like member to hold the endoscope in place; anda second sheath-like member telescopically inserted into the first sheath-like member and having a section for closing the opening through which the affected region is treated.