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Drug Balloon Catheter Coating System

Drug eluting balloon catheter coating system is a specific medical coating device for production of drug layers on drug eluting balloon catheter. By employing Nanomist ultrasonic nozzle or Focusmist ultrasonic nozzle, it is able to precisely make drug depositions typically like rapamycin or other medical coating materials onto the balloon catheter surface to form a homogeneous drug coating without defects such as pinholes, orange peels etc.. Ultrasonic balloon catheter coating is a thin film coating technique based on ultrasonic atomizing nozzle technology, ultrasonic spray coating can provide higher homogenous and thinner coatings and higher precision than the conventional air spray coating. Furthermore, the balloon catheter coating system also employs specific fixtures to hold and unload the whole balloon catheter easily and stably. The total length of balloon catheter can be up to 2 meters. Siansonic drug eluting balloon catheter coating system can process for a variety of balloon catheters such as coronary balloon catheters, peripheral balloon catheters.

Siansonic also provides customized turn-key medical coating solution for large volume production of drug eluting balloon catheters. The special ultrasonic balloon coating system can employs multiple nozzles and fixtures system to increase the production rate.


  • Ultrasonic spray nozzle, precision liquid delivery.

  • Uniformity: <5%

  • Transfer efficiency of material: >95% (4-5 times higher than pressure spray)

  • Special catheter fixture holds one balloon catheter up to 2 meters in length.

  • Stent length: <280mm

  • Full digital precision ultrasonic generator: closed loop control strategy provides highly stable operation, with power control accuracy: 0.01W.

  • All system components are compatible with the typical solvents and polymers used in stent coating. For example: solvents THF, acetone, DMAC, chloroform; polymers: urethanes, polycarbonates, silicones, styrenes

  • Precision gas pressure control.




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