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Table 5 Summarized highlights of current BRS technologies [20]

From: Analysis of trends and prospects regarding stents for human blood vessels

Company

Stent name

Strut backbone material

Strut thickness

(μm)

Key method

Radiopacity

Drug-eluting Property

Abbott

Absorb BVS

PLLA

150 (BVS), 100 (Next gen)

Blow molding process and orientation (stretching)

2 platinum radiopaque markers

Everolimus

Amaranth

Fortitude, Aptitude

PLLA

150, 120

Dip coating to induce linear/radial orientation

N/A

Sirolimus

ART

ART18Z

PDLLA

170 (1st gen), 140–150 (2nd gen)

Annealing

N/A

None (1st gen), Sirolimus (2nd gen)

Arterius

ArterioSorb

PLLA

140–100

Die drawing to induce orientation and alignment

Radiopaque markers

Sirolimus

Elixir

DeSolve

PLLA

150 (1st gen), 120 (2nd gen)

Annealing and quenching

Metallic markers

Novolimus

REVA medical Xenogenics

Fantom Ideal BioStent

Tyrosine PC, PAE salicylic acid

125, 175

Proprietary polymer

Iodine incorporated into the polymer or N/A

Sirolimus or Sirolimus + Salicylic acid

Envision Scientific

BIOLUTE-next

Mg alloy

120

Bio-corrodible metal and polymer coating

Radiopaque markers

Sirolimus

  1. BVS Bioresorbable vascular scaffold, PLLA Poly-L-lactic acid, PDLLA Poly-DL-lactic acid, PC Polycarbonate, PAE Poly(anhydride-ester), Mg Magnesium, and IBS Iron-based bioresorbable scaffold