Tacking tool and tack

Abstract

A surgical tacking apparatus for forming and applying surgical fasteners during laparoscopic or endoscopic procedures is disclosed. It includes a housing having a handle, an elongated tubular portion extending from the housing, a wire advancer, and a wire shaping nose at its distal end. An annular fastener is also disclosed.

1 - 13 . (canceled)  
   
   
       14 . A tack for fastening surgical mesh to body tissue, comprising: 
 a biocompatible substantially planar annular wire body, the body having a first end and a second end, the first end being disposed inwardly of the second end and having a tip suitable for penetrating body tissue, and the second end being disposed outwardly of and overlapping the first end.    
   
   
       15 . The tack of  claim 14 , wherein the tip of the first end is sharpened.  
   
   
       16 . The tack of  claim 14 , wherein the wire is comprised of a shape memory material.  
   
   
       17 . The tack of  claim 14 , wherein the wire is comprised of a bioabsorbable material.