Kenneth A Peartree,Thomas J Palermo,Shigeru Tanaka,Ferolyn T Powell
申请号：
US12758340
公开号：
US08172869B2
申请日:
2010.04.12
申请国别(地区):
US
年份:
2012
代理人:
摘要：
Apparatus for creating an anatomic space in tissue in a body including an introducer device having a tubular member with a bore extending therethrough. A tunneling shaft assembly is slidably mounted in the bore of the introducer device. The tunneling shaft assembly includes a tunneling shaft having proximal and distal extremities. A blunt tip is secured to the distal extremity of the tunneling shaft. A balloon assembly is provided. The balloon assembly is removably secured to the tunneling shaft. The balloon assembly includes a deflated collapsed balloon. A sheath encloses the balloon and is carried by the tunneling shaft. The sheath has a weakened region extending longitudinally thereof permitting the sheath to be removed to release the balloon.
