Patent ID: 8303627
Filing Date: 2012-11-06
Classification: A61B

Abstract:
1. A device for closure of a patent foramen ovale, said patent foramen ovale extending between a septum and a flap in the interior space of the heart of a patient, said device having a proximal end and a distal end, comprising: a pair of elongated tissue anchors extending between said proximal end and said distal end of said device, each tissue anchor having an axial bore therethrough and having a distal end portion capable of penetrating said septum and said flap, each of said distal end portions being selectively deployable between a closed position and a radially extensible position, each of said distal end portions being axially movable relative to said septum and flap such that upon radial extension of said extensible portion said septum and flap may be urged into registry, wherein said foramen ovale is substantially closed to passage of fluids therethrough; a deployment member engaged with each of said tissue anchors for selectively deploying the radially extensible portion of said tissue anchor between said closed position and said radially extensible position; a carrier for said tissue anchors, said carrier comprising an elongated shaft extending substantially to the distal end of said device, said carrier comprising a larger diameter lumen extending substantially through an axial center of said carrier, said carrier further comprising a respective smaller diameter lumen for each of said tissue anchors, said smaller diameter lumens extending axially through a wall surface of said carrier, wherein said distal end portions of said respective tissue anchors extend distal of said carrier; a sleeve handle for receiving a proximal end of said carrier, said sleeve handle comprising an outer sleeve and an inner sleeve, said carrier received in a bore in said inner sleeve; a deployment wire extending through each of said tissue anchor axial bores, a proximal end of each deployment wire engaged with said inner sleeve and movable therewith, and a distal end of each said deployment wire affixed to a respective tissue anchor distal of said radially extensible portion; a closure element disposed at said distal end of said device, said closure element having an open position wherein an end portion of said closure element is capable of penetrating said septum and said flap when said septum and flap are in registry, and a closed position for maintaining said septum and flap in registry; and an actuating member engaged with said closure element for selectively manipulating said closure element from said open position to said closed position.