Composite stent with polymeric covering and bioactive coating

Details Composite stent with polymeric covering and bioactive coating Composite stent with polymeric covering and bioactive coating

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61L 29/18 (2006.01) A61L 31/10 (2006.01) A61L 33/12 (2006.01) B29C 59/14 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2470824

A composite expandable stent for delivery into a vessel carrying blood comprising an expandable support frame having first and second end portions. A porous imprevious polymer sleeve having inner and outer surfaces extending over the support frame. A coating is disposed on at least one of the inner and outer surfaces of the polymer sleeve for enhancing endothelial cell growth on the device and polymer sleeve. The stent can be cylindrical or tapered.

La présente invention concerne un tuteur composite expansible destiné à être inséré dans un vaisseau sanguin comportant un cadre de support expansible présentant des première et deuxième portions d'extrémité. Un manchon polymérique imperméable comportant des surfaces interne et externe s'étend sur le cadre de support. Un revêtement est disposé sur au moins une des surfaces interne et externe du manchon polymérique destiné à favoriser la croissance des cellules endothéliales sur le dispositif et le manchon polymérique. Le tuteur peut être de forme cylindrique ou tronconique.

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