KEIO UNIVERSITY, a university of Japan;KABUSHIKI KAISHA TOP
发明人:
Norihito Wada,Takuya Miyazaki,Yoshihiko Himura
申请号：
US15556670
公开号：
US20180049624A1
申请日:
2015.03.12
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A treatment-instrument insertion aid (10) for aiding insertion of a treatment instrument into a body includes an inner tube (20) having flexibility into which the treatment instrument is insertable, and an outer tube (30) having flexibility into which the inner tube (20) is insertable. Both end portions (20B) of the inner tube (20) are formed of a hard material, and an intermediate portion (20A) between both the end portions (20B) is formed of a soft material.
