Edward H. Cully,Jeffrey B. Duncan,Benjamin M. Trapp
申请号：
US14294008
公开号：
US09889273B2
申请日:
2014.06.02
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Apparatus and methods for an endovascular catheter that can be inserted within tortuous body anatomies and then selectively stiffened and fixed in place. In a particular embodiment, this stiffness is reversible. The stiffness or a comparable mechanical characteristic of the catheter assembly may be adjusted to a relatively low value during insertion (so that it easily navigates a guide wire or the like), and then subsequently adjusted to a relatively high value in situ to keep the catheter assembly substantially fixed in place (i.e., during delivery of an interventional device).
