Patent ID: 8118833
Filing Date: 2012-02-21
Classification: A61B

Abstract:
1. A device for sealing a subcutaneous puncture site of a vessel wherein the subcutaneous puncture site is accessed through a puncture tract that extends through subcutaneous tissue to the subcutaneous puncture site, the device comprising: a first disk comprised of a first membrane made of material that is flexible and fluid impermeable, and a first self-expanding wire frame which supports the first membrane, the first wire frame including a first central point, the first membrane and the first wire frame being foldable into a second disk axially adjustable toward and away from the first wire frame of the first disk prior to, throughout, and after deployment so as to advance together as an integral unit through the puncture tract, the second disk being configured for placement within the puncture tract to securely engage the tissue of the puncture tract, and when secured within the puncture tract the second disk exerting a lateral force on the surrounding tissue of the puncture tract and exerting a longitudinal force on the first disk when it is unfolded in order to urge the first disk against the puncture site to facilitate sealing the puncture site, the second disk comprising the first central point of the first wire frame of the first disk and the second central point of the second wire frame of the second disk being separated by a first distance in the first configuration and by a second distance in the second configuration, the first distance being larger than the second distance.