A surgical staple, comprising: a backspan a first leg member extending from the backspan and being substantially perpendicular to the backspan a second leg member extending from the backspan and being substantially perpendicular to the backspan the first and second leg members each including an inner surface and an outer surface diametrically opposing the inner surface, the inner surface of the first leg member facing the inner surface of the second leg member and having at least one substantially continuous channel extending along at least one of an inner surface and an outer surface of the backspan and at least one of the corresponding inner surface and outer surface of the first and second leg members, wherein each of the first and second leg members includes a tissue penetrating portion adjacent to the distal ends of the leg members , the tissue penetrating portion having a chisel-like shape with points adjacent inner facing sides of the leg members wherein said configuration facilitates entry of the leg members into tissue to be stapled wherein, in a deformed condition, the surgical staple has a substantially curved shape and a B-like configuration.
