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Surgical hand access apparatus
专利权人:
Thomas Wenchell
发明人:
Thomas Wenchell
申请号:
US13307257
公开号:
US08328844B2
申请日:
2011.11.30
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A surgical access apparatus includes a liner base and an access housing for positioning outside the body. The liner base includes an inner member adapted for insertion through an opening within body tissue for positioning within the body a sleeve member connected to the inner member and dimensioned to extend from the inner member through the opening within the body tissue, and a plurality of tensioning elements connected to the inner member and associated with the sleeve member to impart a tensioning effect on the sleeve member. The access housing includes a first element and a second element. The second element is operatively connected to the tensioning elements and adapted for rotational movement relative to the first member to cause the tensioning elements to displace the inner member toward the access housing and to cause the sleeve member to engage and retract tissue defining the opening within the body.
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