William Frasier,Anne Drzyzga,Connie Marchek,Sara Dziedzic,Holly Brideau,Thomas J Runco,Nicholas Pavento
申请号：
US13163258
公开号：
US08550995B2
申请日:
2011.06.17
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
