Method for producing lubricious catheters

Details Method for producing lubricious catheters Method for producing lubricious catheters

A - Human Necessities

61

L

A61L 29/00 (2006.01) A61L 29/08 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2164697

This invention is in the general field of surgical instruments and, in particular, catheters. Specifically, it relates to surgical devices which have been coated on their interior with a curable lubricious polymer and to the method of making them. It relates to catheters which variously may be used in cardiovascular and endovascular procedures to deliver diagnostic, therapeutic, or vaso-occlusive agents or devices to a target site within a human or animal body and to catheters used to guide other catheters to a specific site in that body. The interior of the catheters are coated using the noted procedure in such a way that the interior is exceptionally slippery. The coating is very durable. The invention also relates to the specific methods for coating the interior of the catheters with cross-linkable polymers, preferably those which are hydrophilic or lubricious.

L'invention a trait en général aux instruments de chirurgie, et en particulier aux cathéters. Elle porte spécifiquement sur des instruments de chirurgie dont l'intérieur a été revêtu d'un polymère durcissable à surface glissante, et sur leur procédé de fabrication. Il s'agit de cathéters à usage cardio-vasculaire ou endovasculaire servant à acheminer des agents de diagnostic, de traitement ou vaso-occlusifs ou des dispositifs sur des sites cibles du corps d'un humain ou d'un animal ou à guider d'autres cathéters vers ces mêmes sites. Le revêtement intérieur des cathéters, déposé selon la procédure exposée, et qui donne une surface exceptionnellement glissante, est par ailleurs très durable. L'invention porte également sur des procédés de revêtement de l'intérieur de cathéters par des polymères réticulables, de préférence hydrophiles et à surface glissante.

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