Patent ID: 8202309

Claim:
A kit for treating a blood circulation system, comprising: at least one implantable treatment element which can be radially deformed between a refracted state and a deployed state; a sheath for maintaining the treatment element in its retracted state; and a pulling unit for pulling the treatment element into the sheath, wherein the pulling unit comprises a sleeve for receiving the treatment element, the sleeve being slidable in relation to the sheath between an expanded position for receiving the treatment element outside the sheath and a compressed interposed position between the treatment element and the sheath, the treatment element being substantially axially fixed in relation to the sleeve when the sleeve moves between its receiving and interposed positions, wherein the sleeve includes at least one return strand curved back to the outside of the sheath, and the pulling unit includes a pulling element for pulling the at least one return strand towards a proximal end of the sheath, the pulling element being able to slide along the sheath during displacement of the sleeve between its receiving position and its interposed position, wherein the sleeve includes a retaining end for retaining the treatment element in the receiving position of the sleeve, the pulling element being connected to the retaining end of the sleeve so as to be movable together with the retaining end in translation, and wherein the pulling element is disposed in the sheath, the sheath comprising at least one lateral passage in which a free end of the sleeve is engaged.