Table 1.
Difference in stent-platform and drug-carrier specifications.
| Type. | Stent Platform Name (Manufacturer) |
Stent Platform Material |
Strut Thickness (µm) |
Polymer/Coating | Polymer Thickness (µm) |
|---|---|---|---|---|---|
| DES 1st | Cypher (Cordis) [37,38] | SS | 140 | PEVA, PBMA | 12.6 |
| Taxus (Boston Scientific) [37,38] | SS | 132 | SIBS | 16 | |
| DES 2nd | Xience V (Abbot) [37,38] | Co-Cr | 81 | PVDF-HFP, PBMA | 7.6 |
| Endeavor Sprint (Medtronic) [37,38] | Co-Cr | 91 | Phosphorylcholine | 4.1 | |
| Resolute (Medtronic) [38,39] | Co-Cr | 91 | Biolinx polymer | 4.1 | |
| Promus (Boston Scientific) [38,39] | Pt-Cr | 81 | PVDF-HFP | 6 | |
| Resolute Onyx DES (Medtronic) [40,41] | Shell: Co Core: Pt-Ir |
81 | Biolinx polymer | 5.6 | |
| BP-DES 3rd | Synergy (Boston Scientific) [39,42] | Pt-Cr | 74 | PLGA | 4 |
| Orsiro (Biotronik) [42,43] | Co-Cr | 61 | PROBIO, PLLA | 7.4 | |
| Ultimaster (Terumo) [42,44] | Co-Cr | 80 | PLCL | <15 | |
| Biomatrix (Biosensors) [39] | SS | 112 | PA | 10 | |
| Alex Plus (Balton) [45] | Co-Cr | 70 | PLGA | <10 | |
| Polymer-free 3rd | BioFreedom (Biosensors) [39,42,46] | SS | 112 | No, microabrasion | - |
| CRE 8 EVO (Alvimedica) [39,42,47] | Co-Cr | 70–80 | No | - |
SS = stainless steel; Co-Cr = Cobalt chromium; Pt-Cr = Platinum chromium; Pt-Ir = Platinum iridium; PEVA = poly(ethylene-co-vinyl acetate); PBMA = poly(n-butyl methacrylate); SIBS = poly(styrene-b-isobutylene-b-styrene); PVDF-HFP = poly(vinylidene fluoride-co-hexafluoropropylene); Biolinx polymer = hydrophobic C10 polymer and hydrophilic C19 polymer, and PVP (polyvinyl pyrrolidone); PLGA = poly(D,L-lactide-co-glycolide); PLLA = poly(L-lactide); PLCL = poly(D,L-lactide-co-caprolactone); PA = polylacticacid; BRS—Bioresorbable Scaffolds.