Vessel closure devices and methods

摘要

A closure device configured for closing an opening in a body lumen. The closure device may include a delivery sheath, a cleat, and one or more anchors. The cleat may be disposed within and move longitudinally with respect to the delivery sheath. The one or more anchors may be configured to engage tissue surrounding the body lumen opening and selectively couple to the cleat to obstruct and/or close the body lumen opening.

主权项

1. A closure device for closing an opening in a body lumen comprising:
a delivery sheath; a first anchor and a second anchor configured to engage tissue surrounding the opening of the body lumen; a cleat configured to couple with the first anchor and the second anchor and configured to be disposed within and move longitudinally with respect to the delivery sheath, said cleat having an outer peripheral surface each anchor including a tip and a collar portion disposed proximal the tip, with a first elongate member and a second elongate member extending proximally from the collar portions of the first and second anchors, respectively, to a proximal end of the delivery sheath, said collar portions of said first and said second anchors being configured to lockingly engage with a first recess and a second recess of said cleat, an inner surface of said first recess and an inner surface of said second recess configured to receive said first and second anchors to prevent said first and second anchors from proximal movement while allowing said first and second elongate members, respectively, with said tips being disposed beyond said outer peripheral surface of said cleat.