Patent ID: 8979872
Filing Date: 2015-03-17
Classification: A61B,A61F

Abstract:
1. A device for engaging, approximating and fastening tissue comprising: a tool assembly adapted for insertion into a body cavity and having a working channel and at least two extendible members adjustable between an insertion condition and an extended condition, each of the extendible members comprising at least one associated tissue engagement mechanism at its distal end for piercing tissue; an actuating mechanism adapted to move at least one tissue engagement mechanism relative to another tissue engagement mechanism to approximate tissue engaged by the tissue engagement mechanisms; a plurality of box-type staples positioned in a pre-deployed state and movable into a pre-fire position in the working channel, each of the staples having at least two staple legs and, in the pre-fire position, each of the staple legs being located peripherally with respect to the tissue engagement mechanisms as positioned in the insertion condition; and an integrated tool for reconfiguring the staples and fastening approximated tissue comprising movable pistons positioned at the distal end of the tool assembly and a stationary anvil positioned centrally of the pistons.