Local vascular delivery of topotecan in combination with...

A - Human Necessities – 61 – L

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A61L 27/44 (2006.01) A61F 2/06 (2006.01) A61K 31/436 (2006.01) A61K 31/4745 (2006.01) A61L 27/34 (2006.01) A61L 27/54 (2006.01) A61L 31/12 (2006.01) A61L 31/16 (2006.01) A61L 33/00 (2006.01)

Patent

CA 2499691

Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs, agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. In addition, these therapeutic drugs, agents and/or compounds may be utilized to promote healing, including the formation of blood clots. Also, the devices may be modified to promote endothelialization. Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned. In addition, the devices utilized to deliver the implantable medical devices may be modified to reduce the potential for damaging the implantable medical device during deployment. Medical devices include stents, grafts, anastomotic devices, perivascular wraps, sutures and staples. In addition, various polymer combinations may be utilized to control the elution rates of the therapeutic drugs, agents and/or compounds from the implantable medical devices.

Les dispositifs médicaux, et en particulier, les dispositifs implantables, peuvent être recouverts afin de réduire ou d'éliminer considérablement la réaction d'un organisme biologique à l'insertion de celui-ci. Les dispositifs médicaux peuvent être recouverts d'une matière biocompatible de plusieurs types. Des médicaments, des agents ou des composés peuvent être mélangés à la matière biocompatible et fixés à au moins une partie du dispositif. Outre la réduction ou la presque élimination de la réaction de l'organisme biologique à l'introduction du dispositif dans ce dernier, le dispositif en association avec un ou plusieurs médicaments, agents et/ou composés peut être utilisé pour traiter diverses maladies vasculaires, par exemple, la resténose et la présence de plaques vulnérables. Dans le cas des plaques vulnérables, un ou plusieurs médicaments, agents ou composés peuvent servir à traiter divers aspects des plaques vulnérables et ces médicaments, agents et/ou composés peuvent être libérés en fonction d'un profil de libération donné pour obtenir le traitement le plus efficace. Diverses matières et méthodes d'enrobage peuvent être utilisées pour conserver les médicaments, agents ou composés sur le dispositif médical jusqu'à ce qu'ils soit inséré et positionné.

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