Design Optimization of Coronary Stent Based on Finite Element Models

Table 2

Test results.

Test model	Stent	WDS (mm)	WTS (mm)	WLS (mm)	𝑇 (mm)	𝑃 (MPa)	Dogboning rate	Reduced by
Test 1	Original stent	0.28	0.28	0.249	0.12	1.948	0.1452	—
	Optimal stent based on LPV	0.2367	0.22	0.2	0.1	1.7602	9.71𝑒−5	99.93%
	Optimal stent based on SMPV	0.3262	0.2582	0.2056	0.1	1.7950	0.0643	55.72%
Test 2	Original stent	0.28	0.28	0.249	0.12	1.9745	0.1856	—
	Optimal stent based on LPV	0.2367	0.22	0.2	0.1	1.7868	0.0270	85.45%
	Optimal stent based on SMPV	0.3262	0.2582	0.2056	0.1	1.8140	0.0914	50.75%
Test 3	Original stent	0.28	0.28	0.249	0.12	1.9555	0.1617	—
	Optimal stent based on LPV	0.2367	0.22	0.2	0.1	1.765	0.0062	96.17%
	Optimal stent based on SMPV	0.3262	0.2582	0.2056	0.1	1.7914	0.0492	69.57%