Patent ID: 8668718

Claim:
A staple for attaching a sheet-like implant to tissue or bone comprising: a first arm, having a proximal end and a distal end, and a second arm having a proximal end and a distal end with a bridge extending from the proximal end of the first arm to the proximal end of the second arm; a first fluke having a proximal end abutting the distal end of the first arm, the first fluke extending distally from the first arm, the first fluke having a lateral extent larger than a lateral extent of the first arm and mounted eccentrically thereto, the first fluke including a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein, the first fluke including a distal pointed surface, wherein there are no barbs or projections extending from the first arm towards the second arm, thereby causing the first fluke to rotate in response to a pullout force on the bridge; and, a second fluke having a proximal end abutting the distal end of the second arm and extending distally, the second fluke having a lateral extent larger than the lateral extent of the second arm and mounted eccentrically thereto with the second fluke including a proximal surface projecting at an outward angle in a proximal direction and away from the second arm near the proximal end of the second fluke to engage the tissue or bone when inserted therein, the second fluke including a distal pointed surface, wherein there are no barbs or projections extending from the second arm towards the first arm, thereby causing the second fluke to rotate in response to a pullout force on the bridge, wherein each of the first fluke and the second fluke include a lumen extending from the proximal end to the distal end thereof spaced laterally from the respective arm mounted thereto.