Patent ID: 7335224
Filing Date: 2008-02-26
Classification: A61F

Abstract:
1. A retention system for retaining a stent graft onto a deployment device in combination with a stent graft retained on the deployment device, the stent graft having an exposed stent at at least one end thereof and the deployment device including a capsule to receive the exposed stent during deployment and an arrangement to move the capsule with respect to the exposed stent to release the exposed stent, the capsule comprising an aperture therein, the retention system comprising a release wire associated with the deployment device to engage a portion of the exposed stent wthin the capsule and to retain the exposed stent in the capsule and at least one retention loop on the stent graft, the retention loop comprising a length of suture material stitched into the stent graft and passed around the release wire, the release wire passing through the retention loop to prevent removal of the capsule from the exposed stent until the release wire has been removed from its engagement with the exposed stent within the capsule and with the at least one retention loop and wherein the release wire passes through the aperture in the capsule and the at least one retention loop is engaged around the release wire where it exits the aperture in the capsule.