Stent

Details Stent Stent

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2537301

The invention relates to a stent (1) which is a vascular prosthesis for a constricted body vessel. Said stent (1) comprises a tubular supporting frame (2) made from annular segments (3) which are arranged in an axial manner on top of each other, said segments being formed, in an initial state, from diagonal struts (5, 6) which are formed in a continuous manner on top of each other in a wave-like manner. Adjacent annular segments (3) are axially coupled to U-shaped configured compensating sections (11, 12) by means of connectors (9, 10) having various lengths. All of the connectors (9, 10) point in the same peripheral direction (U). The inventive stent also comprises connectors (9, 10) having various lengths, in an alternating manner, in the direction of the periphery (U) and also on the longitudinal axis of the stent (L).

Un stent (1) est une prothèse vasculaire destinée à un vaisseau corporel rétréci. Le stent (1) selon l'invention présente une structure support tubulaire (2) composée de segments annulaires (3) se suivant axialement, formés à l'état initial d'entretoises obliques (5, 6) assemblées en continu les unes aux autres de façon sinusoïdale. Des segments annulaires adjacents (3) sont couplés axialement par l'intermédiaire de connecteurs (9, 10) de longueurs différentes présentant des sections de compensation (11, 12) conçues en forme de U. Tous les connecteurs (9, 10) sont dirigés dans le même sens périphérique (U). Le stent selon l'invention comporte des connecteurs (9, 10) de longueurs différentes, de façon alternée, dans le sens périphérique (U) et dans l'axe longitudinal du stent (L).

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