Vascular compliance device and method of use

Details Vascular compliance device and method of use Vascular compliance device and method of use

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2499297

The present invention modifies the compliance of a vascular system by providing an elastic member, capable of reducing peak pressure and blood flow from the heart. These embodiments further allow for reduction of peak systolic pressure while increasing diastolic pressure and flow. In one embodiment, the device consists of an anchoring stent, having a n elastic member with a passage for blood flow. This device is implanted percutaneously into a desired vessel location. The elastic member begins to ~give~ when blood pressure reaches a desired level. Additionally, the spring constant of the elastic member may be externally modified to change the compliancy. By precisely modifying the properties of the elastic member, normal arterial compliancy may be restored.

L'invention concerne la régulation de la compliance d'un système vasculaire par le biais d'un élément élastique capable de réduire les pics de pression et le débit sanguin du coeur, avec possibilité de réduction des pics de pression systolique et d'augmentation parallèle de la pression et du flux diastolique. Selon une variante, le dispositif utilisé se présente comme une endoprothèse d'ancrage, à élément élastique doté d'un passage pour le flux sanguin. Ce dispositif est implanté en mode percutané dans le vaisseau visé. L'élément élastique commence à <=céder>= lorsque la pression artérielle atteint un certain niveau. De plus, la constante d'élasticité de l'élément élastique peut être modifiée par une action extérieure, ce qui influe sur la compliance. La modification précise des propriétés de l'élément élastique permet de rétablir la compliance artérielle normale.

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