Title:
軟性内視鏡およびそれを備える内視鏡システム
Document Type and Number:
Japanese Patent JP6705966
Kind Code:
B2
Abstract:
A flexible endoscope of the present invention includes a catheter portion and a connection plug. The catheter portion includes an image guide, a light guide, and a catheter tube that surrounds the image guide and the light guide in a longitudinal direction, and the connection plug includes a hollow cover that accommodates the proximal end of the catheter tube, a flexible tube that protrudes from the hollow cover and through which the catheter tube is passed, a first connection terminal that is connected to the light guide extending from the proximal end of the catheter tube, and a second connection terminal that is connected to the image guide extending from the proximal end of the catheter tube. The image guide and the light guide are slidable inside the catheter tube, and at least one of the image guide and the light guide is arranged curved inside the hollow cover of the connection plug.
Inventors:
Keita Okayama
Shinsuke Nanto
Yuya Hoshi
Shinsuke Nanto
Yuya Hoshi
Application Number:
JP2019506221A
Publication Date:
June 03, 2020
Filing Date:
March 14, 2018
Export Citation:
Assignee:
National University Corporation Osaka University
Sumita Optical Glass Co., Ltd.
Sumita Optical Glass Co., Ltd.
International Classes:
A61B1/313; A61B1/00; A61B1/07; G02B23/24
Domestic Patent References:
| JP3275030A | ||||
| JP2015211739A | ||||
| JP2004229742A | ||||
| JP9164112A |
Foreign References:
| US20040133073 |
Attorney, Agent or Firm:
Nakamichi Yoshihiro
Fujiwara Yuki
Fujiwara Yuki