Patent ID: 8974510
Filing Date: 2015-03-10
Classification: A61F

Abstract:
1. A treatment device for a blood circulation vessel, comprising: at least one tubular endoprosthesis, deployable between a retracted state and a dilated state; a hollow support which extends longitudinally between a proximal end and a distal end, said support being provided, in the vicinity of the distal end, with at least a transverse retention opening; and at least one releasable threadlike tie for holding the endoprosthesis on the support, the threadlike tie being engaged in the retention opening and actuated from the proximal end of the support to release the endoprosthesis; wherein the support comprises, over at least a portion of its length, a spring forming the support, the spring having contiguous turns over at least a portion of its length, and the spring delimiting an inner cylindrical wall and/or an outer cylindrical wall of the support; and wherein two adjacent turns of the spring delimit between them the retention opening, the two adjacent turns belonging to the same spring, the threadlike tie being inserted from the outer cylindrical wall through the two adjacent turns of the spring and the retention opening formed by the two adjacent turns of the spring.