Suturing means for connecting a tubular vascular prosthesis...

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/06 (2006.01) A61B 17/11 (2006.01) A61B 17/115 (2006.01) A61B 17/00 (2006.01) A61B 17/064 (2006.01) A61B 17/28 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2330423

Suturing means and branch means, a vascular prosthesis, a device and a vascular prosthesis system. Suturing means for connecting a vascular prosthesis (40) to a blood vessel (50) comprise an internal, substantially annular body (10) intended to be received in the blood vessel (50) in addition to an external annular body (20) intended to lie clampingly on an outer wall of the blood vessel (50) at least practically at the location of the internal annular body (10). At least one of the two annular bodies (10, 20) is provided with suturing members (12) which grip in the vessel wall so as to effect an adequate fixation of at least the internal annular body (10). The invention also provides a device for use with such suturing means and further relates to a vascular prosthesis which is provided on at least one of its outer ends with at least a part of such suturing means. Different embodiments of such prostheses together form a modular vascular prosthesis system. A side vessel of thus supported blood vessel can be preserved using branch means according to the invention.

L'invention concerne un moyen de suture et un moyen de ramification, une prothèse vasculaire, un dispositif et un système de prothèse vasculaire. Le moyen de suture destiné à raccorder une prothèse vasculaire (40) à un vaisseau sanguin (50) comprend un corps interne sensiblement annulaire (10) destiné à être reçu dans le vaisseau sanguin (50) en plus d'un corps annulaire externe (20) destiné à être fixé sur la paroi externe du vaisseau sanguin (50) au moins pratiquement au niveau du corps annulaire interne (10). Au moins un des deux corps annulaires (10, 20) est doté d'éléments de suture (12) se fixant dans la paroi du vaisseau afin de fixer de manière adéquate au moins le corps annulaire interne (10). L'invention a également trait à un dispositif destiné à être utilisé avec ces moyens de suture et concerne également une prothèse vasculaire dont au moins une des extrémités extérieures est dotée d'au moins une partie de ces moyens de suture. Différents modes de réalisation de ces prothèses forment ensemble un système de prothèse vasculaire modulaire. Un vaisseau secondaire d'un vaisseau sanguin ainsi équipé peut être conservé à l'aide d'un moyen de ramification selon l'invention.

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