弹簧栓子的历史是栓塞材料历史的一部分
• Were introduced in 1975 (Postgrad Med 1975; 59: 141-146)
•“intra-arterial embolization may be performed with various substances,including autologos clot, autologous subcutaneous tissue, Gelfoam, and stainless steel coil.“
• Report of first 3 cases of Gianturco stainless steel coil embolization of AVF (AJR 1978; 131: 1027-1030).
Major points:
„.....make sure that
•The coil is completely within the desired vessel
•The feeding vessel is smaller than the coil
•There is adequate collateral flow to distal organs to prevent infarction“
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