A suture assembly comprising:a first suture having a generally O-shapedconfiguration comprising a first arm, a second arm, afirst bridge connecting the first arm to the secondarm, and a second bridge connecting the first arm tothe second arm, the first bridge opposing the secondbridge so that the first suture comprises a closedloop；a second suture comprising a first arm, a secondarm and a bridge connecting the first arm to the secondarm；the first arm of the second suture being wrappedaround the first arm of the first suture in a firstdirection, and the second arm of the second suturebeing wrapped around the second arm of the first suturein a second, opposite direction；the suture assembly being capable of assuming (i)a longitudinally-extended, radially-contracted firstconfiguration, and (ii) a longitudinally-contracted,radially-expanded second configuration.
