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Access portal including silicone foam three layer seal
Access portal including silicone foam three layer seal
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机译:进入入口,包括硅胶泡沫三层密封
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摘要
A surgical access portal includes a seal housing, a sleeve mountable to the seal housing, and a seal disposed within the seal housing. The seal includes a first layer having an opening for the reception and passage of a surgical instrument, a second continuous layer for providing a fluid tight seal in the seal housing in the presence and/or in the absence of a surgical instrument, and a third layer having an opening for the passage of a surgical instrument therethrough. The first and third layers have a higher density than the second layer for maintaining the second layer in an axially compressed state therebetween.
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