| 摘要 |
<p>Disclosed is a closure catheter, for patching or closing a tissue opening such as an atrial septal defect, patent foreman ovale, or the left atrial appendage of the heart. The closure catheter carries a deployable patch (126) and a plurality of tissue anchors (90), which may be deployed to secure the patch to surrounding tissue. The plurality of tissue anchors of the closure catheter may be deployed into tissue surrounding the opening, and used to draw the tissue radially inwardly, to close the body cavity or opening. Methods are also disclosed.</p> |
