Composite material having a lubricous surface for catheter use

Details Composite material having a lubricous surface for catheter use Composite material having a lubricous surface for catheter use

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61L 29/00 (2006.01) A61M 25/00 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2108137

2108137 9315781 PCTABS00024 A low friction intravascular catheter (10) component formed of a polymer matrix having incorporated within the matrix a finely divided lubricous particulate. The polymer matrix preferably is a thermoplastic polymer and suitable lubricous particulate includes graphite, molybdenum disulfide, TiC, MoC, graphite difluoride, and fluoropolymers. Typical components made of this low-friction material include the inner (12) or outer tubular members (14) of fixed-wire and over-the-wire dilatation catheters (10). A polysiloxane fluid may be incorporated within the matrix along with the lubricous particulate matter.

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