表 2. Radial recoil and axial foreshortening of stents with diffe rent outside diameters and structures.

不同外径、不同结构支架的径向回缩率和轴向短缩率

支架类型	外径/mm	径向回缩率	轴向短缩率	扩张比
JS 支架	1.4	7.8% ± 0.5%	– 1.7% ± 0.2%	69%
	1.7	7.5% ± 0.5%	– 1.8% ± 0.3%	81%
	2.4	8.5% ± 0.4%	– 1.4% ± 0.4%	39%
OCS 支架	1.4	7.3% ± 0.4%	– 2.3% ± 0.3%	69%
	1.7	7.1% ± 0.7%	– 2.5% ± 0.3%	81%
	2.4	8.3% ± 0.4%	– 2.1% ± 0.2%	39%
CCS 支架	1.4	7.3% ± 0.3%	– 2.3% ± 0.2%	69%
	1.7	7.0% ± 0.4%	– 2.5% ± 0.3%	81%
	2.4	7.9% ± 0.5%	– 2.2% ± 0.3%	39%
BVS 支架	1.4	10.1% ± 0.6%	1.6% ± 0.2%	69%
	1.7	9.8% ± 0.6%	1.8% ± 0.2%	81%
	2.4	10.6% ± 0.5%	1.5% ± 0.3%	39%