Charles C. Hart,Boun Pravong,Kenni Pravongviengkham,Eduardo Bolanos,Tina Talwar,Tracy Breslin
申请号：
US14950261
公开号：
US20160220240A1
申请日:
2015.11.24
申请国别(地区):
US
年份:
2016
代理人:
摘要：
Embodiments of a circumferential retractor having an attached supporting, manipulating or positioning tool are described. The retractor optionally includes a sealing member associated with an external member of the retractor and an external support structure that may be used with the retractor and positioning tool as needed.
