Christine N. Jurevicius,Madeline C. Graham,Christopher R. Ralph
申请号：
US16298046
公开号：
US20200288952A1
申请日:
2019.03.11
申请国别(地区):
US
年份:
2020
代理人:
摘要：
An apparatus for controlling advancement of a sheath or a catheter at a distal end of an endoscope. An exemplary apparatus includes a flexible sheath that receives a medical device within an internal lumen and is received within a working channel of an endoscope. The apparatus also includes a component that is at least one of external or internal to the sheath. The component causes a change in longitudinal motion friction of the sheath above a predefined threshold amount as the sheath moves relative to an exit ramp of the endoscope.
