Table 1.

Stent characteristics of three bioresorbable scaffolds.

Characteristics	AMS-1	Absorb GT 1	MOTIV
Scaffold material	Magnesiµm alloy	PLLA	Tyrocore
Drug coating	None	Everolimus+PDLLA	Sirolimus+Tyrocore
Strut thickness	3.0 mm, 165 µm	2.5 mm, 150 µm	2.5 mm, 95 µm
	3.5 mm, 165 µm	3.0 mm, 150 µm	3.0 mm, 105 µm
		3.5 mm, 150 µm	3.5 mm, 115 µm
Crossing profile	1.5 mm	1.44 mm	1.3 mm
Delivery	Single-step inflation	Muti-step inflation	Single-step inflation
Radial strength	0.17 N/mm	0.14 N/mm	0.22 N/mm
Recoil	8%	2.3%	2.0%
Max expansion over nominal	0.6 mm	0.5 mm	0.75 mm, 2.5–3.0 mm
			0.5 mm, 3.5 mm
Resorption profile	At least 4 months	Loss of mechanical support in 18 months	Vessel uncaged in 12 months
		Resorption in 36 months	Resorption in 48 months

AMS, absorbable metal stent; PLLA, poly L-lactic acid; PDLLA, poly D, L-lactic acid.