Implantable or insertable medical devices visible under...

A - Human Necessities – 61 – L

Patent

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Details

A61L 29/18 (2006.01) A61K 49/08 (2006.01) A61L 29/14 (2006.01) A61L 31/14 (2006.01) A61L 31/18 (2006.01) A61M 25/01 (2006.01) G01R 33/28 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2471958

Disclosed is an implantable or insertable medical device comprising (a) a substrate and (b) a hydrogel polymer coating at a least a portion of the surface of the substrate, wherein the hydrogel polymer is adapted to render the medical device visible under magnetic resonance imaging (MRI) upon insertion or implantation of the medical device into a patient. Also disclosed is the use of such a hydrogel coated implantable or insertable medical device in a medical procedure, wherein during or after insertion or implantation of the medical device in a patient, the position of the medical device is viewed under MRI. The use of a hydrogel polymer for coating a medical device wherein the hydrogel polymer is adapted to render a medical device coated with the hydrogel polymer visible under MRI and a hydrogel polymer adapted to render a medical device coated therewith visible under MRI are also disclosed.

L'invention a trait à un dispositif médical pouvant être implanté ou inséré, comprenant (a) un substrat et (b) un polymère hydrogel déposé sur au moins une partie de la surface du substrat, le polymère hydrogel étant adapté de manière à rendre le dispositif médical visible par imagerie par résonance magnétique (IRM) lors de l'insertion ou de l'implantation du dispositif médical dans le corps d'un patient. L'invention concerne également l'utilisation, au cours d'un acte médical, d'un tel dispositif médical pouvant être implanté ou inséré et revêtu d'hydrogel, la position du dispositif médical étant visualisée par IRM pendant ou après son insertion ou son implantation dans le corps d'un patient. L'invention se rapporte enfin à l'utilisation d'un polymère hydrogel pour revêtir un dispositif médical, le polymère hydrogel étant adapté de manière à rendre un dispositif médical revêtu du polymère hydrogel visible par IRM, et à un polymère hydrogel adapté de manière à rendre un dispositif médical revêtu du polymère hydrogel visible par IRM.

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