#$%^&*AU2011218670A120120419.pdf#####ACCESS PORT ABSTRACT A surgical access port assembly (10) is provided including a cannula (12) and an obturator (14) insertable through the cannula (12). The cannula (12) includes a housing (20) having a hollow elongate tubular member (22) extending distally from the housing (20). A duckbill valve (70) is provided within the housing (20) and includes an outer support rim (72) and a pair of opposed multi-angle leaflets (100, 102) extending inwardly from the outer support rim (72). Each leaflet (100, 102) includes a lead in portion oriented at a first angle relative to the support rim (72) and an entry portion extending from the lead in portion and oriented at a second angle relative to the support rim (72). The second angle is greater than the first angle.2/9 10 9290o 84 86 1 4 16 78 48 52 76 80g 82 70 50 46 72 12 38 32 31 2 5 424 56 18 40 9
