#$%^&*AU2011244878A120120517.pdf#####VASCULAR HOLE CLOSURE DELIVERY DEVICE ABSTRACT A surgical delivery instrument (10) for delivering a vascular hole closure device having first and second flexible members (120,122) and a first and second engagement members (129, 131) extending from the respective flexible member. The delivery instrument (10) includes a housing (12) having first and second longitudinally extending openings (20, 22, 24 and 26) and first and second projecting surfaces (32, 34, 36, 38), the first projecting surface (32) extending into the first opening for engagement by the first engagement member (129) and the second projecting surface (36) extending into the second opening for engagement by the second engagement member (131). The first engagement member (129) is held by the first projecting surface (32) until a predetermined force is applied to the first engagement member (129) during placement of the closure device (100) at a target site.1/8 UDD Ln~ C~)