ENDOSCOPE FORCEPS PLUG

Japanese Patent JP2023046304

A

To provide an endoscope forceps plug which can sufficiently suppress leakage of aerosol without impairing inserting and withdrawing performance compared to a conventional endoscope forceps plug.SOLUTION: In an endoscope forceps plug 100, a first channel 1A continuing to a forceps port in an attached state to the forceps port and a second channel 2A continuing to the forceps port through the first channel in the attached state to the forceps port are formed. The endoscope forceps plug 100 includes a hole valve 21 arranged in the second channel, a protrusion part 11 which is arranged in the first channel and is provided in such a manner that an inner diameter and an outer diameter are reduced toward a forceps port side from a second channel side, and a slit valve 12 which closes an end part of the forceps port side of the protrusion part 11 while a treatment instrument is not inserted in the first channel, and where a slit 12C which is pressed by the treatment instrument inserted in the first channel to open is formed.SELECTED DRAWING: Figure 4

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NAKAJIMA SEIICHI
GOTO KOHEI
SAKAJIRI YUICHIRO

JP2022149344A

April 03, 2023

September 20, 2022

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TOP CO LTD
UNIV OSAKA

A61B1/018

Patent Attorney Fukami Patent Office

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