Assembly for positioning an embolization coil in the vascular system and a method of introducing a detachable embolization coil

摘要

An assembly for positioning an embolization coil (29) in the vascular system. The assembly comprises a delivery wire (1) having a central core (4) with a blade-shaped portion (10) which extends inside a threading coil (8) and has a blade thickness of preferably less than 40% of the blade width. The threading coil (8) is fixed to the central core at least at the edges of the blade-shaped portion.