Radially expansible and articulated vessel scaffold

Details Radially expansible and articulated vessel scaffold Radially expansible and articulated vessel scaffold

A - Human Necessities

61

F

A61F 2/04 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2222969

A radially expansible lumenal prosthesis (10) comprises a plurality of body segments (12, 14) which are joined by universal articulation structures (16). Each universal articulation structure (16) consists of a serpentine ring (20) and two pairs of beam members (22, 24). By joining adjacent body members (12, 14) to the serpentine ring (20) using beam members (22, 24), an articulated connection is provided while permitting radial expansion of all components. Optionally, linear elements (46) within the body segment or segments (42) may be protected and/or anchored by loop structures (60) joined to or between longitudinal elements (46) of the terminal body segments.

Prothèse (10) extensible radialement, située dans une lumière de vaisseau et comprenant une pluralité de segments (12, 14) réunis par des structures d'articulation polyvalentes (16). Chaque structure (16) est constituée par un anneau en serpentin (20) et par deux paires de tiges (22, 24). La réunion de segments contigus (12, 14) à l'anneau en serpentin (20) au moyen de tiges (22, 24) permet de créer un accouplement articulé, tout en permettant à tous les éléments de s'étendre dans un sens radial. Des éléments linéaires (46) situés à l'intérieur des segments (42) peuvent être protégés et/ou ancrés par des structures en boucle (60) réunies aux éléments longitudinaux (46) des segments d'extrémité de la prothèse, ou placées entre lesdits éléments (46).

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