PROBLEM TO BE SOLVED: To supply air to always keep an appropriate pressure by precisely measuring the pressure inside a lumen when an observation or a treatment in the lumen is performed by an endoscope.SOLUTION: An endoscope air-supply system includes: a gas supply device which supplies predetermined gas to the lumen of a subject through an air-supply duct a pressure measurement device which is connected through a duct for pressure measurement communicating and measures the pressure in the lumen a flushing device which supplies gas for flushing to the duct for pressure measurement and an instruction device which instructs the pressure measurement device to perform pressure measurement and instructs the flushing device to supply the gas for flushing in synchronism with the pressure measurement by the pressure measurement device.COPYRIGHT: (C)2013,JPO&INPIT【課題】内視鏡により管腔内の観察や施術を行う際、管腔内の圧力を正確に測定し、常に適正な圧力となるように送気を行う。【解決手段】被検体の管腔内に送気管路を介して所定のガスを供給するガス供給手段と、前記管腔内に連通される圧力測定用管路を介して接続され、前記体腔内の圧力を測定する圧力測定手段と、前記圧力測定用管路にフラッシング用ガスを供給するフラッシング手段と、前記圧力測定手段による圧力測定を指示するとともに、前記圧力測定手段による圧力測定に同期して前記フラッシング手段によるフラッシング用ガスの供給を指示する指示手段と、を備えたことを特徴とする内視鏡送気システムを提供する。【選択図】図4
