A dilation-drug delivery catheter comprises a dilation portion for dilating a stenosis and a drug delivery portion for delivering antithrombolytic, antiproliferative, or any other type of medication, to the dilation site. The drug delivery portion of the catheter is located within the dilation portion,...http://www.google.fr/patents/US5415636?utm_source=gb-gplus-shareBrevet US5415636 - Dilation-drug delivery catheter
