Porous medicated stent

A - Human Necessities – 61 – L

Patent

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Details

A61L 33/00 (2006.01) A61F 2/06 (2006.01) A61L 27/00 (2006.01) A61L 31/14 (2006.01) A61L 31/16 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2235031

A medicated prosthesis, such as a stent, is deployed in a human vessel. A metallic stent has a plurality of pores in the metal which are loaded with medication. When the stent is implanted into the vasculature of a patient, the medication in the stent dissipates into the tissue of the vasculature proximate the stent. The stent may be formed from a porous metal in the form of a wire, tube, or metal sheet. The present invention also includes a method of treating vasculature disease by delivering medication to the site of the vascular disease including the step of deploying a metal stent having a plurality of pores in the stent and further having medication in the pores and delivering the stent to the site of vasculature disease.

L'invention porte sur une prothèse médicamenteuse, telle qu'un tuteur, qui est déployée dans un vaisseau humain. Un tuteur métallique comporte, dans le métal, une série de pores remplis de médicaments. Lorsque le tuteur est implanté dans le réseau vasculaire d'un patient, les médicaments se dissolvent dans les tissus du vaisseau près du tuteur. Ce dernier peut être fait d'un métal poreux et prendre la forme d'un fil, d'un tube ou d'une feuille de métal. L'invention divulgue également une méthode de traitement des affections vasculaires en administrant les médicaments sur le site même de l'affection, y compris l'étape de déploiement d'un tuteur de métal comportant une série de pores contenant des médicaments et celle d'introduction du tuteur au site de l'affection vasculaire.

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