Anti-thrombus filter having enhanced identifying features

Details Anti-thrombus filter having enhanced identifying features Anti-thrombus filter having enhanced identifying features

A - Human Necessities

61

F

A61F 2/01 (2006.01)

Patent

CA 2580742

A removable filter for capturing thrombi in a body vessel. The filter has anti~thrombogenic, echogenic, and radiopaque features. The features of the filter provide for enhanced identifying and reduced endotheliosis in a body vessel of a patient. Generally, the anti-thrombogenic feature is preferably a fibrinolytic coating disposed on the filter to decrease the accumulation of fibrin thereon. The echogenic feature preferably is comprised of marks formed on the filter that give rise to reflections of ultrasound waves during ultrasonography. The radiopaque feature is preferably a polymeric coating, ceramic coating, or noble metal coating applied on the filter for enhanced fluoroscopy.

L'invention concerne un filtre amovible servant de piège à thrombus dans un vaisseau corporel, à éléments antithrombogène, échogène et radioopaque. Ces éléments améliorent l'identification et réduisent l'endothéliose dans un vaisseau. En règle générale, l'élément antithrombogène est de préférence un revêtement fibrinolytique placé sur le filtre pour diminuer l'accumulation de la fibrine sur celui-ci. L'élément échogène permet de présenter des marques sur le filtre pour la réflexion des ondes ultrasonores en cours d'ultrasonographie. L'élément radidoopaque est de préférence un revêtement polymère, en céramique, ou en métal noble appliqué sur le filtre pour l'amélioration de la fluoroscopie.

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