发明名称 ULTRASOUND ENDOSCOPE, SUCTION APPARATUS FOR ULTRASOUND ENDOSCOPE, AND ULTRASOUND ENDOSCOPE SYSTEM
摘要 An ultrasound endoscope includes: an ultrasound probe arranged in a distal end rigid portion; a suction and forceps port provided in a vicinity of the ultrasound probe; a treatment instrument insertion channel and a negative pressure channel communicating with the suction and forceps port; and a control valve configured to variably regulate a negative pressure for suction that is transmitted to the suction and forceps port through the treatment instrument insertion channel and the negative pressure channel to two or more states.
申请公布号 US2017049415(A1) 申请公布日期 2017.02.23
申请号 US201615341671 申请日期 2016.11.02
申请人 OLYMPUS CORPORATION 发明人 TSURUTA Teppei
分类号 A61B8/12;A61B8/00;A61B8/08;A61B1/00;A61B1/015 主分类号 A61B8/12
代理机构 代理人
主权项 1. An ultrasound endoscope, comprising: an insertion portion that is long and has flexibility and is to be inserted into a subject; a distal end portion that is disposed at a distal end of the insertion portion; an ultrasound observation portion that is arranged in the distal end portion; a suction port that is provided in a vicinity of the ultrasound observation portion; a fluid conduit communicating with the suction port; and a first negative pressure regulation portion configured to periodically change a negative pressure for suction that is transmitted to the suction port through the fluid conduit, by controlling the negative pressure for suction at an arbitrary duty ratio.
地址 Tokyo JP