Patent ID: 7942888

Claim:
A device for closing an aperture in a vessel wall, the aperture having an external opening in an external region of the vessel wall and an internal opening in an internal region of the vessel wall, the device comprising: a covering member having a longitudinal axis and positionable inside the vessel against the internal opening of the aperture, the covering member having a dimension to prevent egress of fluid through the aperture, the covering member having a length with a dimension greater than a dimension of the width and movable between a first position for delivery and a transverse position for placement, in the placement position the covering member having an upper surface extending along the length and positioned adjacent the aperture; two curved legs having portions positionable external of the vessel, the legs having a delivery configuration and a placement configuration, the legs curving in different directions and extending toward the upper surface of the covering member in the placement configuration, and terminating in free ends, the legs extending in an elongated substantially straightened position in the delivery configuration; and at least one retention member positioned between the covering member and curved legs and positionable external of the vessel, the at least one retention member spaced from the covering member, the at least one retention member movable from a delivery configuration to a placement configuration wherein the at least one retention member extending a first transverse distance, the first transverse distance being less than the dimension of the length of the covering member.