Medical devices with machined layers for controlled...

A - Human Necessities – 61 – F

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A61F 2/00 (2006.01)

Patent

CA 2631689

According to an aspect of the present invention, implantable or insertable medical devices (100) (also referred to as internal medical devices) are provided. These medical devices include at least one machined layer (110) , at least a portion of which is disposed over at least one underlying region (120) (e.g. , a therapeutic agent containing region, a catalytic region, etc.) . The at least one machined layer contains a plurality of excavated regions which promote the transport of molecular species across the machined layer. An advantage of the present invention is that medical devices are provided, in which the transport of species into the medical device, out of the medical device, or both are controlled, and may be customized, as desired.

La présente invention concerne, par un mode de réalisation des dispositifs médicaux implantables ou à insérer, autrement dit, des dispositifs médicaux internes. Ces dispositifs comportent au moins une couche usiné dont au moins une partie recouvre en partie la région inférieure, notamment une région contenant un agent thérapeutique, une région catalytique, etc. Cette couche usinée convient une pluralité de régions creusées favorisant le transport d'espèces moléculaire au travers de la couche usinée. L'un des avantages de l'invention est de proposer des dispositifs médicaux dans lesquels le transport des espèces vers l'intérieur ou l'extérieur du dispositif est non seulement contrôlé, mais s'adapte en fonction des besoins.

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