A trocar sleeve includes a trocar cannula and a trocar housing having a housing member base and a housing member cover.

一种套管针套筒，包括套管针套管和套管针外壳，所述套管针外壳具有外壳部件座和外壳部件盖。

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First and second trocar valves are positioned within the cannula body end housing and each having an opening in a medial portion thereof.

第一和第二套管针活门定位在套管主体端盖内，并且各自在其中间部分具有开口。

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First and second trocar valves are positioned within the cannula body end housing and each having an opening in a medial portion thereof.

第一和第二套管针活门定位在套管主体端盖内，并且各自在其中间部分具有开口。

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