US Patent 7803574 - Medical device applications of nanostructured surfaces

http://ip.com/patent/US7803574

This latest patent from Nanosys teaches a way to enhance the resistance to bacterial growth of implantable medical devices using nanofibrous coatings. Claim 1 reads:

1. A method of administering a composition to a patient, comprising:

providing a composition-eluting device, said composition-eluting device comprising at least a first surface and a plurality of nanostructures attached to the first surface, wherein:

the plurality of nanostructures comprise nanofibers and/or nanotubes; and

introducing the composition-eluting device into the body of the patient.