| 摘要 |
The invention relates to a stent having a unitary structure and having a principal axis (1a) and a sucession of axially aligned tubular stages (10, 20, 30...), at least some of those stages being defined by a regular pattern having consecutive loops (40, 60, ...) closed on themselves, with a succession of hairpin-shaped apices (3, 4, 5, 6, ...) which are connected consecutively, in pairs, by a branch (15, 17, ...), each branch having two inflexion points (15a, 15b, ...) defining a double inflexion region (19), the loops being arranged in phase from one stage to an adjacent stage and being connected to one another by connecting bars (21) linking the apex region of a loop of a given stage to the region (19) of the inflexion points of a loop corresponding to it axially, in a preceding stage or in a following stage, in an alternating manner on the perimeter of said given stage.
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