Coated endovascular stent

   
   

An implantable stent is coated with a material that attracts heparin and with which heparin forms a bond. The stent is exposed to a heparin containing solution just prior to implantation or is first implanted and then exposed to heparinized blood. As heparin becomes detached from the stent, the implantation site is exposed to heparin to restore an effective level and thereby prevent thrombosis.

Um stent implantable é revestido com um material que atraiam o heparin e com o que heparin dê forma a uma ligação. O stent é exposto a um heparin que contem a solução apenas antes do implantation ou implanted primeiramente e exposto então ao sangue heparinized. Enquanto o heparin se torna destacado do stent, o local do implantation está exposto ao heparin para restaurar um nível eficaz e para impedir desse modo o thrombosis.

 
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