Hydrophilic, lubricious medical devices having contrast for...

A - Human Necessities – 61 – L

Patent

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Details

A61L 29/18 (2006.01) A61K 49/06 (2006.01) A61K 49/18 (2006.01) A61L 31/18 (2006.01)

Patent

CA 2421931

Disclosed are medical devices having lubricious coatings which are capable of producing magnetic resonance image in the presence of a suitable magnetic field. The medical devices are easy to manipulate in body channels because of reduced friction with tissue surfaces and can be readily visualized in real time, which greatly facilitates the tracking of the medical devices while present within the bodies of humans or animals. The level of magnetic susceptible agent in the coatings of medical devices can be easily controlled by the present invention to give the desired performance. Coating processes to produce these medical devices are also disclosed.

L'invention concerne des dispositifs médicaux comportant des revêtements lubrifiés capables de produire une image à résonance magnétique en présence d'un champ magnétique adéquat. Les dispositifs médicaux sont faciles à manipuler dans des canaux corporels grâce à une friction réduite avec les surfaces tissulaires et peuvent facilement être visualisés en temps réel, ce qui facilite beaucoup la localisation desdits dispositifs lorsqu'ils sont présents dans le corps d'être humains ou d'animaux. Le niveau d'agent à susceptibilité magnétique dans les revêtements des dispositifs médicaux peut être facilement régulé pour obtenir la performance souhaitée. L'invention concerne également des procédés de revêtement permettant de produire ces dispositifs médicaux.

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