Systems for providing fluid flow to tissues

A - Human Necessities – 61 – M

Patent

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Details

A61M 27/00 (2006.01) A61F 2/02 (2006.01) A61F 2/48 (2006.01) A61M 1/00 (2006.01) A61L 31/04 (2006.01) A61L 31/16 (2006.01)

Patent

CA 2745867

Provided is an apparatus that includes a scaffold with a gel or liquid composition deposed on at least a portion of a luminal surface, the gel or liquid composition adapted to include microbubbles. Also provided is a system that includes a source of reduced pressure, the above scaffold, a manifold adjacent the scaffold, and a conduit for providing fluid communication between the manifold and the source of reduced pressure. Additionally provided is a method that includes implanting the above scaffold at the tissue site and disrupting a substantial portion of the microbubbles to induce fluid flow to the scaffold. Further provided is an apparatus that includes a scaffold that comprises a slowly degradable material and a quickly degradable material. Additionally provided is a system for coupling nerve tissue and a microchip assembly.

L'invention porte sur un appareil comprenant un support comportant une composition liquide ou un gel déposé sur au moins une partie d'une surface luminale, le gel ou la composition liquide étant conçus pour contenir des microbulles. L'invention porte également sur un système comprenant une source de pression réduite, le support ci-dessus, un collecteur adjacent au support et un conduit destiné à assurer une communication fluidique entre le collecteur et la source de pression réduite. De plus, l'invention porte sur un procédé comprenant l'implantation du support ci-dessus au site tissulaire et la rupture d'une partie substantielle des microbulles afin d'induire un débit de fluide vers le support. L'invention porte en outre sur un appareil incluant un support comprenant un matériau à dégradation lente et un matériau à dégradation rapide. De plus, l'invention porte sur un système de couplage d'un tissu nerveux et d'un ensemble micropuce.

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