Adam Lehman;Vincent Mata;Jeffrey Ransden;Gregor Weaver
发明人:
Jeffrey Ransden,Gregor Weaver,Adam Lehman,Vincent Mata
申请号：
US13704640
公开号：
US20130172682A1
申请日:
2011.06.29
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A tissue retractor assembly is provided having a cannula which houses a grasper and an anchor, the grasper extended axially from the cannula, the grasper having legs for gripping tissue and a locking ring for locking the legs, and an anchor having sharpened legs, the grasper being secured and adjusted relative to the anchor by a length of suture. Another tissue retractor assembly is provided having a cannula which houses an anchor, a wire form and a grasper, the wire form a coiled spring which expands radially, and a grasper for pulling tissue through the form. A further retractor assembly is provided having a cannula which houses an anchor and a grasper, the grasper a loop of suture configured to grasp and tighten around tissue. Another tissue retractor assembly is provided having a cannula which houses a first and second graspers, the graspers defined by C-shaped clips.
