Patent 7320692 was granted and assigned to Cardica, Inc. on January, 2008 by the United States Patent and Trademark Office.
A method for closing an opening in tissue, such as an opening in heart tissue, may include moving a housing to a location in proximity to the opening, registering the housing to the opening, and deploying a staple from the housing into tissue in proximity to the opening. The opening in heart tissue may be a patent foramen ovale, atrial septal defect, or other opening. The housing may be moved to the opening through the vasculature, utilizing a guidewire, steering catheter, or other mechanism.