Eric Forrest Little,Richard Duda,Wade R. Eichhorn,Kristian G. Wyrobek
申请号：
US14208575
公开号：
US20140275795A1
申请日:
2014.03.13
申请国别(地区):
US
年份:
2014
代理人:
摘要：
A device allows access into a body has at least:A first cannula with an outer surface, an inner lumen surface, an inner lumen diameter and proximal and distal end portions andAn expandable covering over the outer surface, the expandable covering having an outer surface and an inner surface andThe inner surface of the expandable covering remaining in contact with the outer surface of the first cannula.
