経鼻内視鏡用挿入補助具
- 专利权人:
- 富士フイルム株式会社
- 发明人:
- 千田 豊,横森 欣司,山本 太朗
- 申请号：
- JP2007304188
- 公开号：
- JP5100331B2
- 申请日:
- 2007.11.26
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide an insertion aid for a nasotracheal endoscope to prevent a routing mistake during the insertion of the transnasal endoscope and reduce a physical pain of a patient and a mental burden on an operator.
SOLUTION: An insertion aid 10 is composed of a mask 12 covering an outer nose 13 and a nose tube 14. The nose tube 14 is composed of a tube body 19 and a stopper 20. An insertion part 11 of the endoscope is inserted through the nose tube 14. The insertion length L1 of the nose tube 14 is set within the size range which is longer than a path length LA from the nostril 13a to the narrowest part 21a of the middle nasal meatus 21, and shorter than a path length LB from the nostril 13a to the epipharynx 24 (LA
- 来源网站：
- 中国工程科技知识中心
