Balloon Catheter And Method Used For Covering Medical Balloon

A balloon catheter includes an inflatable balloon defining an inner surface and an outer surface. A first biocompatible layer that includes hyaluronic acid is releasably disposed on the outer surface of the balloon. A second drug containing layer is disposed on the first biocompatible layer. The second drug containing layer includes paclitaxel and urea. A method used for covering a medical balloon comprises the steps of arranging the layer including the hyaluronic acid on the outer surface of the balloon; arranging the layer including the paclitaxel and urea on the layer including the hyaluronic acid. 种球囊导管包括限定内表面和外表面的可膨胀的球囊。包括透明质酸的第生物相容层被可释放地布置在球囊的外表面上。第二药物包含层被布置在第生物相容层上。第二药物包含层包括紫杉醇和尿素。以及种用于覆盖医疗球囊的方法，包括：将包括透明质酸的层布置在球囊的外表面上；和将包括紫杉醇和尿素的层布置到包括透明质酸的层上。