Self-expanding medical device

Details Self-expanding medical device Self-expanding medical device

A - Human Necessities

61

F

A61F 2/90 (2006.01) A61F 2/88 (2006.01)

Patent

CA 2734493

The invention relates to a helical coil comprising multiple reversing sense helical coil units that are capable of drug elution, come in lengths appropriate for long, diffuse lesions, have the ability to have a step-wise tapering diameter, and provide all the benefits of a small closed cell stent design while maintaining high flexibility, high radial force and crush resistance due to an underlying helical coil.

L'invention concerne une bobine hélicoïdale qui comporte de multiples unités de bobine hélicoïdale à sens s'inversant qui peuvent éluer un médicament, se présenter en des longueurs appropriées pour des lésions longues et diffuses, posséder la capacité d'avoir un diamètre s'évasant de manière pas à pas, et fournir tous les avantages d'une conception d'endoprothèse vasculaire à petites cellules fermées tout en maintenant une grande souplesse, une grande force radiale et une grande résistance à l'écrasement du fait d'une bobine hélicoïdale sous-jacente.

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