Composite vascular stent
A vascular stent and anticoagulant technology, which is applied in the field of vascular stents, can solve the problems that vascular stents cannot effectively reduce, restenosis, and prevent blood vessels effectively, and achieve strong ability to capture endothelial cells, reduce restenosis, and better anticoagulant effect
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[0043] see figure 1 Shown:
[0044]The composite vascular stent provided by the present invention includes a stent body 1 and a composite drug coating 2 , wherein the composite drug coating 2 is wrapped on the stent body 1 .
[0045] The stent body 1 is a bare metal stent or a degradable polymer stent or a degradable magnesium alloy stent or a degradable iron alloy stent.
[0046] The bare metal bracket is 316L stainless steel bracket.
[0047] Composite drug coating 2 is a composite coating composed of dopamine polymer layer, anticoagulant drugs and cytokines promoting endothelial regeneration from the inside to the outside.
[0048] The number of layers of anticoagulant drugs and cytokines promoting endothelial regeneration is 1-10 layers.
[0049] The anticoagulant drug is heparin.
[0050] The composite drug coating 2 is wrapped with a protein A layer 3 and an antibody drug layer 4 in sequence.
[0051] Antibody drug layer 4 is composed of antibody CD34.
[0052] The...
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