Back to results
US 7,780,683 B2Granted
Method of closing an opening in a wall of the heart
OwnerChad C. Roue, Andrew G. C. Frazier +2inventors
InventorsChad C. Roue, Andrew G. C. Frazier, Michael D. Lesh, Erik J. van der Burg
Life of this patent
Estimating the term…
Abstract
Disclosed is a closure catheter, for 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 plurality of tissue anchors, which may be deployed into tissue surrounding the opening, and used to draw the opening closed. Methods are also disclosed.
Claims6
The method of closing an opening in a patient, comprising:
- providing a first tissue engagement structure of the type having a tissue retention barb and a second tissue engagement structure of the type having a tissue retention barb, each of said tissue engagement structures being connected to a suture, at least one of the tissue engagement structures being slideable relative to said suture;
- delivering the tissue engagement structures to the opening using a delivery catheter;
- engaging the tissue engagement structures with tissue adjacent the opening;
- sliding the first tissue engagement structure relative to the second tissue engagement structure along the suture to close the opening;
- and
- removing the delivery catheter from the patient, wherein the tissue engagement structures remain engaged with the tissue adjacent the opening following removal of the delivery catheter.
3 more elements
Dependencies are inferred from the claim text.