Design Optimization of Coronary Stent Based on Finite Element Models

Table 1

Optimization results.

	WDS (mm)	WTS (mm)	WLS (mm)	𝑇 (mm)	𝑃 (MPa)	Dogboning rate	Reduced by
Original stent	0.28	0.28	0.249	0.12	1.948 (LPV/LPC)	0.1452 (LPV/LPC)	—
					1.9114 (SMPV)	0.0908 (SMPV)
					—	0.0582 (LRD)
Optimal stent (LRD)	0.22	0.34	0.2568	0.1355	—	0.0061	89.52%
Optimal stent (LPV)	0.2367	0.22	0.2	0.1	1.7602	9.71𝑒−5	99.93%
Optimal stent (LPC)	0.2483	0.2881	0.2	0.1	1.948	0.0027	98.14%
Optimal stent (SMPV)	0.3262	0.2582	0.2056	0.1	1.7491	9.803𝑒−5	99.89%