Surgical staple for attaching an object to body tissue

A surgical staple formed from a continuous length of wire for attaching objects such as mesh materials to body tissue which comprises:

• a) a central wire portion having a middle portion and first and second end portions, each said end portion extending at respective angles from said middle portion in a first direction;
• b) first and second wire leg members extending generally perpendicular to said middle portion of said central wire portion, each said wire leg member having a free end portion for penetrating the object and body tissue when positioned in adjacent engaged relation therewith and advanced thereinto;
• and
• c) a bridge portion connecting each said first and second end portions to each said first and second wire leg members, respectively, each said bridge portion having a generally straight portion substantially parallel to said middle portion, each said bridge portion further having a first generally arcuate portion connected to each said straight portions and having a concave surface portion facing in a direction generally inwardly toward the opposing leg member, each said first generally arcuate portions connected to each said wire leg member and at least a portion of each said first generally arcuate portions extending from said straight portions and generally in said first direction, each said first and second wire leg members having a curved portion adjacent said bridge portion, each said curved portion being of generally concave configuration and facing in a direction generally opposite the direction of said first generally arcuate portion such that when each said bridge portion is supported against anvil member and force it is applied to said bridge portions on said wire leg members bend inwardly toward said central wire portion at respective locations inward of said first generally arcuate portions.