Medical device

A - Human Necessities – 61 – K

Patent

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Details

A61K 48/00 (2006.01) A61F 2/00 (2006.01) A61K 31/7088 (2006.01) A61K 38/44 (2006.01) A61P 9/00 (2006.01) A61P 9/10 (2006.01) C12N 9/02 (2006.01) C12N 15/53 (2006.01) C12N 15/85 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2446761

The present invention relates to the use of a gene transfer product to reduce hyperplastic connective tissue growth after tissue trauma or implantation of a medical device. The present invention also relates to a medical device with improved biological properties for an at least partial contact with blood, bodily fluids and/or tissues when introduced in a mammalian body, which device comprises a core and a nucleic acid, encoding a product capable of leading to production of extracellular superoxide dismutase present in a biologically compatible medium. Said nucleic acid encodes a translation or transcription product, which is capable of inhibiting hyperplastic connective tissue growth and promoting endothelialisation in vivo at least partially on a synthetic surface of said core. The present invention also relates to a method of producing a medical device according to the invention.

L'invention concerne l'utilisation d'un produit de transfert génique pour réduire la croissance des tissus conjonctifs hyperplasiques après un traumatisme subi par les tissus ou l'implantation d'un dispositif médical. La présente invention traite d'un dispositif médical présentant des propriétés biologiques améliorées pour un contact au moins partiel avec le sang, les fluides corporels et/ou les tissus lors de leur introduction dans le corps d'un mammifère. Ce dispositif comprend un noyau et un acide nucléique, codant un produit pouvant conduire à la production de la superoxyde dismutase extracellulaire présente dans un milieu biologiquement compatible. Cet acide nucléique code un produit de transcription ou de traduction qui permet d'inhiber la croissance des tissus conjonctifs hyperplasiques et favorise l'endothélialisation in vivo au moins partiellement sur une surface synthétique dudit noyau. La présente invention concerne également un procédé pour produire un dispositif médical selon l'invention.

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