A therapeutic actuator comprising: a polymeric element having a filament portion: a therapeutic element; a heating and delivery system, wherein the filament portion secures the therapeutic element to the heating and delivery system: a bead on a distal end of the therapeutic element; and a coupling union through which the bead retains the therapeutic element in a compressed configuration and that secures the bead to the heating and delivery system, the coupling union comprising the filament portion and being capable of being thermally decoupled to deploy the therapeutic element, the coupling union further comprising at least one additional connector securing the distal bead to the heating and delivery system, wherein the polymeric element further comprises an aggregate portion disposed within an internal lumen defined by the therapeutic element, wherein the at least one additional connector comprises: an anchor disposed around the aggregate portion of the polymeric element between an outer surface of the aggregate portion and an inner surface of the therapeutic element; and a stretch resistant member that secures the bead to the anchor, wherein the anchor is secured to the aggregate portion and the therapeutic element, wherein the anchor is connected to the stretch resistant member at its distal end, and wherein the stretch resistant member forms or is attached to the bead. a polymeric element having a filament portion: a therapeutic element; a heating and delivery system, wherein the filament portion secures the therapeutic element to the heating and delivery system: a therapeutic element; a heating and delivery system, wherein the filament portion secures the therapeutic element to the heating and delivery system: a bead on a distal end of the therapeutic element; and a coupling union through which the bead retains the therapeutic element in a compressed configuration and that secures the bead to the heating and delivery system, the coupling union comprising the filament portion and being capable of being thermally decoupled to deploy the therapeutic element, the coupling union further comprising at least one additional connector securing the distal bead to the heating and delivery system, wherein the polymeric element further comprises an aggregate portion disposed within an internal lumen defined by the therapeutic element, wherein the at least one additional connector comprises: an anchor disposed around the aggregate portion of the polymeric element between an outer surface of the aggregate portion and an inner surface of the therapeutic element; and a stretch resistant member that secures the bead to the anchor, wherein the anchor is secured to the aggregate portion and the therapeutic element, wherein the anchor is connected to the stretch resistant member at its distal end, and wherein the stretch resistant member forms or is attached to the bead. an anchor disposed around the aggregate portion of the polymeric element between an outer surface of the aggregate portion and an inner surface of the therapeutic element; and a stretch resistant member that secures the bead to the anchor, wherein the anchor is secured to the aggregate portion and the therapeutic element,