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Surgical hand access apparatus
专利权人:
Tyco Healthcare Group LP
发明人:
Wenchell, Thomas
申请号:
AU2010235943
公开号:
AU2010235943B2
申请日:
2010.10.21
申请国别(地区):
AU
年份:
2012
代理人:
摘要:
#$%^&*AU2010235943B220120510.pdf#####SURGICAL HAND ACCESS APPARATUS Abstract A surgical access apparatus (100) includes a liner base (104) and an access housing (102) for positioning outside the body. The liner base (104) includes an inner 5 member (170) adapted for insertion through an opening within body tissue for positioning within the body; a sleeve member (168) connected to the inner member (170) and dimensioned to extend from the inner member (170) through the opening within the body tissue, and a plurality of tensioning elements (182) connected to the inner member (170) and associated with the sleeve member (168) to impart a tensioning effect on the sleeve io member (168). The access housing (102) includes a first element (108) and a second element (106). The second element (106) is operatively connected to the tensioning elements (182) and adapted for rotational movement relative to the first member (108) to cause the tensioning elements (182) to displace the inner member (170) toward the access housing (102) and to cause the sleeve member (168) to engage and retract tissue defining 15 the opening within the body. The tensioning members (182) are adapted to move relative to the sleeve member (168) upon rotation of the second element and may be embedded within the sleeve member (168). A seal (142) is preferably mounted to the access housing (102) and is adapted to form a fluid tight seal about an object inserted therethrough. A zero closure valve (204) may also be mounted relative to the liner 20 member for forming a fluid tight seal in the absence of an object positioned therethrough. The second member of the access housing (102) is adapted to be selectively secured at a predetermined rotational relationship with respect to the first member to provide for selective tensioning of the tensioning elements (182) and selective retraction of tissue.
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