Nano particle additives for venous access catheter

A - Human Necessities – 61 – L

Patent

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Details

A61L 29/10 (2006.01) A61L 29/12 (2006.01) A61L 31/08 (2006.01) A61L 31/12 (2006.01)

Patent

CA 2665624

Described is a catheter which includes a reinforced polymer shaft. The polymer includes nano particles having a dimension of less than about 6nm. Described is also a method of forming a medical device. Granules of a selected polymer are prepared. Reinforced granules of the selected polymer are prepared. The reinforced granules include nano particles. The granules and the reinforced granules are then mixed in a ratio selected to obtain a desired concentration of the nano particles. The granules and the reinforced granules are extruded to form a substantially tubular element.

L'invention décrit un cathéter qui comprend une tige de polymère renforcé. Le polymère inclut des nanoparticules ayant une dimension inférieure à environ 6 nm. L'invention décrit également un procédé pour former d'un dispositif médical. Des granulés d'un polymère sélectionné sont préparés. Les granulés renforcés comprennent des nanoparticules. Les granulés et les granulés renforcés sont ensuite mélangés dans un rapport sélectionné pour obtenir une concentration voulue en nanoparticules. Les granulés et les granulés renforcés sont extrudés pour former un élément sensiblement tubulaire.

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