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Title:
PNEUMOPERITONEUM DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/187189
Kind Code:
A1
Abstract:
A pneumoperitoneum device 2 for intermittently supplying gas has: a gas supply tube 3 for supplying, to a body cavity, a predetermined gas supplied from a gas supply source GB; a gas supply time period measurement unit that measures a gas supply time period until a predetermined amount of gas is fed in accordance with a set pressure; a pressure sensor 15 that is provided to the gas supply tube 3 and that measures intracavitary pressure; a discharge time period calculation unit that calculates a discharge time period, from the set pressure and a measurement result of pressure measured by the pressure sensor 15; and a control unit 11 that regulates a gas supply flow rate in accordance with a difference between the gas supply time period measured by the gas supply time period measurement unit and the discharge time period calculated by the discharge time period calculation unit.

Inventors:
KASUYA Yuma (2951 Ishikawa-machi Hachioji-sh, Tokyo 07, 〒1928507, JP)
UESUGI Takefumi
YAMAOKA Koji
HIRAGA Kunitoshi
TORII Shinya
KIMURA Keita
Application Number:
JP2018/028911
Publication Date:
October 03, 2019
Filing Date:
August 01, 2018
Export Citation:
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Assignee:
OLYMPUS CORPORATION (2951 Ishikawa-machi, Hachioji-shi Tokyo, 07, 〒1928507, JP)
International Classes:
A61B17/94
Foreign References:
JPH0975355A1997-03-25
JPH05329164A1993-12-14
JPH05269079A1993-10-19
US6402714B12002-06-11
Attorney, Agent or Firm:
ITOH Susumu (Musashi Bldg, 4-4 Nishishinjuku 7-chome, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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