Title:
PERFUSATE SUPPLY SYSTEM AND METHOD FOR CONTROLLING PERFUSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/070831
Kind Code:
A1
Abstract:
A perfusate supply system 1 comprises: an endoscope 20 to be inserted into a body cavity; a liquid feed channel 21 that extends inside the endoscope to the vicinity of a distal end of the endoscope; a pressure sensor 30 that extends inside the endoscope and detects the pressure at the vicinity of the distal end of the endoscope; a perfusion pump 40 that supplies liquid to the vicinity of the distal end of the endoscope through the liquid feed channel and discharges the supplied liquid outside the body through the body cavity; and a control unit 50 that controls the supply pressure of perfusate in the perfusion pump on the basis of a pressure signal obtained from the pressure sensor.
Inventors:
YOSHIDA TAKASHI
MATSUNAGA TADAO
HAGA YOICHI
TSURUOKA NORIKO
MATSUNAGA TADAO
HAGA YOICHI
TSURUOKA NORIKO
Application Number:
PCT/JP2020/037907
Publication Date:
April 15, 2021
Filing Date:
October 06, 2020
Export Citation:
Assignee:
UNIV KANSAI MEDICAL (JP)
UNIV TOTTORI (JP)
UNIV TOTTORI (JP)
International Classes:
A61B1/12; A61B1/00; A61B1/01; A61B1/015; A61B1/307; A61B17/94; G01L9/00
Domestic Patent References:
| WO2018236513A1 | 2018-12-27 | |||
| WO2008047859A1 | 2008-04-24 |
Foreign References:
| CN109998698A | 2019-07-12 | |||
| CN106963344A | 2017-07-21 | |||
| CN107440672A | 2017-12-08 | |||
| JPH095028A | 1997-01-10 | |||
| JP2000035369A | 2000-02-02 | |||
| US20050171401A1 | 2005-08-04 |
Attorney, Agent or Firm:
NAKAJIMA & ASSOCIATES IP FIRM et al. (JP)
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