Drug-eluting stent (DES) with multicoating
A multi-layer coating and eluting stent technology, applied in the field of medical devices, to achieve the effect of no cracking, disease prevention, and uniform distribution
Inactive Publication Date: 2004-01-07
SHANGHAI MICROPORT MEDICAL (GROUP) CO LTD
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The present invention discloses a Drug-eluting stent (DES) with multiple coating layer, its preparation method and application. Said stent consisting stent and coating layer convered on the stent surface. It is characterized by that the surface of the stent has 1-4 layers of coating layers, in which at least two layers are medicine-carried layer, and said medicine-carried layer is composed of (wt%) 0.5-99% of polymer, 0-10% of additive and 0.5-99% of active component, and between the medicine-carried layer and stent a base layer can be set so as to raise the anchoring force of medicine-carried layer and stent, and the surface of medicine-carried layer also can be more coated with a surface layer.
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