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    • 100. 发明专利
    • MEDICAL TREATMENT DEVICE
    • JPH0454970A
    • 1992-02-21
    • JP16646690
    • 1990-06-25
    • OLYMPUS OPTICAL CO
    • TASHIRO YOSHIOSUZUKI YASUYUKI
    • A61M25/00A61B17/425A61B17/43
    • PURPOSE:To prevent buckling from occurring with easier inserting operation into a guide tube by a method wherein an inserting section is provided to be introduced into a celom through an induction guide tube while a connectable connection is arranged at a based end of the induction guide tube and an anti-reversion member is mounted at a portion with the length almost equal to an overall length of the induction guide tube from the tip at the inserting section to keep the induction guide tube liquid-tight and a airtight inside. CONSTITUTION:A forceps plug 16 has a connection 22 with a shape suited to be mounted and solidified on a cap of a forceps insertion port 10 and a check valve 24 is formed at the center thereof. A tip of a catheter body 14 is inserted into a channel 4 through a forceps inserting port 10 of an endoscope and the forceps plug 16 is mounted at the forceps inserting port 10. The tip of the catheter is inserted into a position almost equal to the tip of an endoscope inserting section to be kept airtight and liquid tight with the inside of the channel 4. When the tip of the catheter gets close to a desired part, a tube 18 is forced to slide through round holes 26 and 28 and a slit 30 of the forceps plug and protrudes toward the tip of the endoscope. This allows the catheter to be introduced to the desired part without being buckled and a necessary treatment can be carried out.