Methods 209 infertile men who were considered obstructive azoospermia were mostly performed vesiculography through per-cutaneous vasopuncture by single operator.

• 方法对初步诊断为梗阻性无精子症的男性不育209例施行单人操作经皮穿刺输精管精道造影,对经皮穿刺失败者改行开放穿刺。