Patent ID: 8771343

Claim:
A medical device comprising: an elongated tubular structure having an inner luminal wall surface, an outer abluminal wall surface, and side wall surfaces extending therebetween, a first coating on at least one or more regions of the luminal wall surface and/or the side wall surfaces comprising a material comprising titanium (+y) oxide (−x), a second coating on at least one or more regions of the abluminal wall surface comprising the material comprising the titanium (+y) oxide (−x), the material in one of the first coating and the second coating being hydrophobic and the one of the first coating and the second coating being hydrophobic, and the material in another of the first coating and the second coating being hydrophilic and the other one of the first coating and the second coating being hydrophilic, and a layer of organic compound over the first and second coatings.