Table 12 Polymer-free Stents and their characteristics
From: Evolutionary perspective of drug eluting stents: from thick polymer to polymer free approach
Surface modification technique | Stent | Platform | Drug | Drug quantity ( µg/m2) | Release kinetics |
|---|---|---|---|---|---|
Reservoirs | Â | Â | Â | Â | Â |
 Laser | NEVO | CoCr | Sirolimus | 9.7 | 80% in 30 days |
 Sculpted | Janus Flex | SS | Tacrolimus | 2.3 | 50% in 30 days |
 Drilled | Medtronic’s drug filled stent | CoCr with Tantalum core | Sirolimus | 33 | – |
 Pores through microblasting | Yukon | SS\CoCr | Sirolimus | 120 | 60 days |
 Porous hydroxyapatite coating | VESTAsync | SS | Sirolimus | 2.9 | 30 days |