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OBTURATOR FEATURES FOR MATING WITH CANNULA TUBE
专利权人:
发明人:
Christopher Kelly Evans
申请号:
US14172246
公开号:
US20140323808A1
申请日:
2014.02.04
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A surgical assembly includes a cannula and an obturator. The cannula has open proximal and distal ends defining a lumen therebetween. The lumen defines an inner surface of the cannula having a mating structure. The obturator is generally tubular and has an outer surface including a corresponding mating structure. The respective mating structures of the obturator and the cannula engage each other so as prevent relative rotation of the obturator and cannula, and to prevent inadvertent disconnection of an upper valve housing attached to the cannula.
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