Moisture curable balloon materials

Details Moisture curable balloon materials Moisture curable balloon materials

A - Human Necessities

61

L

A61L 29/06 (2006.01)

Patent

CA 2425261

The present invention relates to a catheter device having a dilatation balloon formed from a polymeric material crosslinked by moisture through --Si--O--Si-- linkages, and to a method of making the same. The polymeric material is formed by reacting at least one organofunctional hydrolyzable silane with at least one polymer. The crosslinked polymeric structure is ideal for forming more resilient and durable catheter balloons. In particular, the catheter balloons have excellent abrasion resistance.

L'invention concerne un cathéter comprenant un ballonnet de dilatation conçu dans un matériau polymère réticulé par humidité par des liaisons --Si--O--Si--, ainsi qu'un procédé de fabrication associé. Le matériau polymère est formé par réaction d'au moins un silane organo-fonctionnel hydrolysable avec au moins un polymère. La structure polymère réticulée est idéale pour former des ballonnets de cathéter plus élastiques et durables. Les ballonnets de cathéter présentent, notamment, une excellente résistance à l'abrasion.

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