曲がり管通過用ガイドチューブ
- 专利权人:
- オリンパス株式会社
- 发明人:
- 平田 康夫
- 申请号：
- JP2010053573
- 公开号：
- JP5555016B2
- 申请日:
- 2010.03.10
- 申请国别(地区):
- JP
- 年份:
- 2014
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide a guide tube for passing a bending tube that enables smooth insertion deep into piping having a plurality of bending tubes by pushing operation.
SOLUTION: The guide tube 1 for passing a bending tube includes: an outside coil 2 which is composed of a tightly wound coil spring an inside coil 3 which can be inserted into the outside coil 2 and is slidable to the outside coil 2, of which the leading end side and the base end side project from the openings at the respective ends of the outside coil 2, which enables insertion of an insertion part 6 of an endoscope and is composed of the tightly wound coil spring provided with a roughly wound coil part at the leading end 3a and a member 4 for specifying projection length which is slidable to an outer periphery of the inside coil 3 and is firmly installed on the inside coil 3 projecting from the opening at the base end of the outer coil 2 and abuts the base end of the outside coil 2 and which specifies a projection length of the inside coil 3 from the opening at the leading end of the outside coil 2.
COPYRIGHT: (C)2011,JPO&INPIT
- 来源网站：
- 中国工程科技知识中心
