A compression-self-adjusting staple, comprising: a substantially U-shaped staple (20, 30, 40, 50, 60, 70, 80, 90, 100, 110) having: legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); a bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) connecting the legs; and an internally disposed compression device having a bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) with: a compression surface movably disposed between the legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); characterized in that the bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) further comprises: a compression spring (23, 36, 46, 56, 66, 76, 86, 96, 106, 116): connected to the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) and integral with the compression surface; and being formed to resist movement of the compression surface towards the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) with a force. a substantially U-shaped staple (20, 30, 40, 50, 60, 70, 80, 90, 100, 110) having: legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); a bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) connecting the legs; and an internally disposed compression device having a bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) with: a compression surface movably disposed between the legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); characterized in that the bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) further comprises: a compression spring (23, 36, 46, 56, 66, 76, 86, 96, 106, 116): connected to the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) and integral with the compression surface; and being formed to resist movement of the compression surface towards the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) with a force. legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); a bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) connecting the legs; and an internally disposed compression device having a bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) with: a compression surface movably disposed between the legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); characterized in that the bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) further comprises: a compression spring (23, 36, 46, 56, 66, 76, 86, 96, 106, 116): connected to the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) and integral with the compression surface; and being formed to resist movement of the compression surface towards the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) with a force. a compression surface movably disposed between the legs (26, 32, 42, 52, 62, 72, 82, 92, 102, 112); characterized in that the bias portion (25, 34, 44, 54, 64, 74, 84, 94, 104, 114) further comprises: a compression spring (23, 36, 46, 56, 66, 76, 86, 96, 106, 116): connected to the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) and integral with the compression surface; and being formed to resist movement of the compression surface towards the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) with a force. a compression spring (23, 36, 46, 56, 66, 76, 86, 96, 106, 116): connected to the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) and integral with the compression surface; and being formed to resist movement of the compression surface towards the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) with a force. connected to the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) and integral with the compression surface; and being formed to resist movement of the compression surface towards the bridge (21, 31, 41, 51, 61, 71, 81, 91, 101, 111) with a force.