This invention is an apparatus for creating an endovascular occlusion by the formation of thrombi in arteries, veins, aneurysms, vascular malformations, and arteriovenous fistulas. In particular, the invention is an assembly for electrolytically severing a portion of the endovascular device such as a...http://www.google.fr/patents/US5522836?utm_source=gb-gplus-shareBrevet US5522836 - Electrolytically severable coil assembly with movable detachment point
Electrolytically severable coil assembly with movable detachment point