STENT COATING SYSTEM

The ultrasonic drug-eluting stent spray coating system can be applied to the preparation of polymer coating for preventing vascular restenosis on the surface of implantable drug-eluting stent. Compared to conventional two-fluid nozzles, ultrasonic nozzles can spray a more uniform drug coating that completely covers the stent without the orange peel and adhesion to a complex stent. The soft atomized spray adheres well to surfaces and coating morphology characteristics can be adjusted by modifying process parameters. In addition, the stent coating obtained by ultrasonic spray coating technology is thinner than dip-coating. Ultrasonic spray coating technology can precisely control the amount of drug sprayed on the stent, making the control of the spraying more precisely.

The special nozzle for ultrasonic stent with national patent can realize accurate application of medicine, and the fixture specially equipped for stent is convenient for loading and unloading. This device has the characteristics of supporting multiple series and multiple types of stents, high drug utilization, accurate drug delivery, and high uniformity of the stent membrane layer.

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