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SURGICAL ACCESS DEVICE
专利权人:
Covidien LP
发明人:
Gregory Okoniewski,Christopher Kelly Evans,Jay Breindel,Nizamudheen Kalakkudi Chalil
申请号:
US15573661
公开号:
US20180085145A1
申请日:
2016.05.11
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A valve assembly for use with a surgical instrument is disclosed. The valve assembly includes a housing and a seal assembly disposed within the housing, the seal assembly including a septum seal including an orifice configured to sealingly engage a surgical instrument inserted therethrough, at least a portion of the septum seal defining a seal curvature, a first guard member including a plurality of curved first guard portions defining slits therebetween, and a second guard member including a plurality of curved second guard portions defining slits therebetween. The first and second guard members may be positioned in an overlapping relationship with the plurality of first guard portions rotationally offset with respect to the second guard portions. The wide, triangular shaped slits of the guard members may improve flexibility of the guard portions.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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