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1. (WO2017057030) CIRCULATION-TYPE SMOKE VENTILATOR

Pub. No.:    WO/2017/057030    International Application No.:    PCT/JP2016/077318
Publication Date: Fri Apr 07 01:59:59 CEST 2017 International Filing Date: Fri Sep 16 01:59:59 CEST 2016
IPC: A61B 17/94
A61M 13/00
Applicants: OLYMPUS CORPORATION
オリンパス株式会社
Inventors: HIRAGA Kunitoshi
平賀 都敏
FURUKAWA Nobuyuki
古川 喜之
HOMMA Satoshi
本間 聡
AONO Susumu
青野 進
USHIJIMA Takanori
牛島 孝則
Title: CIRCULATION-TYPE SMOKE VENTILATOR
Abstract:
This circulation-type smoke ventilator delivers a predetermined gas, sucks smoke generated in a cavity of a patient 14 with the gas in the cavity to circulate and ventilate the smoke. The circulation-type smoke ventilator comprises: a pump 20 for circulating the gas; a gas delivery tube 9 that is connected to the pump 20 and delivers the gas to the cavity of the patient 14; a suction tube 8 and a pumping member 21 that are connected to the pump 20 and suck the gas in the cavity of the patient 14 from the cavity of the patient 14; a filter 211 that is installed in the pumping member 21 and filtrates the gas; a filter color detection unit 25 for monitoring a clogging state of the filter 211; a display unit 1a for displaying the clogging state of the filter 211; and a pump control unit 24 for controlling the output of the pump 20 according to the result of monitoring by the filter color detection unit 25.