A non-cylindrical prosthetic valve system for transluminal...

A - Human Necessities – 61 – F

Patent

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A61F 2/24 (2006.01)

Patent

CA 2614489

A prosthetic valve assembly (820) for use in replacing a deficient native valve comprises a replacement valve supported on an expandable prosthesis frame (822) . The prosthesis frame has a non-cylindrical configuration with a preset maximum expansion diameter region about the valve opening to maintain the preferred valve geometry. The prosthesis frame may also have other regions having a preset maximum expansion diameter to avoid blockage of adjacent structures such as the coronary ostia. The prosthesis valve may be inserted into a existing artificial valve.

L'invention concerne un ensemble de valve prothétique (820) utilisé pour remplacer une valve originale défectueuse comprenant une valve de remplacement soutenue par un cadre de prothèse dilatable (822). Le cadre de prothèse possède une configuration non cylindrique avec une région à diamètre d'expansion maximale préréglée autour de l'ouverture de la valve pour maintenir la géométrie préférée de la valve. Le cadre de prothèse peut présenter aussi d'autres régions ayant un diamètre d'expansion maximal préréglé afin d'éviter l'obstruction de structures adjacentes tel que l'ostium coronaire. La valve de prothèse peut être insérée dans une valve artificielle existante.

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