HART, CHARLES C.,PRAVONG, BOUN,PRAVONGVIENGKHAM, KENNI,BOLANOS, EDUARDO,TALWAR, TINA,BRESLIN, TRACY
申请号：
CA2968846
公开号：
CA2968846A1
申请日:
2015.11.24
申请国别(地区):
CA
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.
