Medical devices having at least a portion thereof coated with a lubricious polymer are disclosed. The lubricious polymer can be, for instance, a hydrogel polymer, such as a quaternary amine acrylate polymer. To bond the lubricious polymer to the surface of the medical device, the medical device is first...http://www.google.com.au/patents/US7220491?utm_source=gb-gplus-sharePatent US7220491 - Lubricious coating for medical devices
