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Neurovascular embolization: in vitro evaluation of a mechanical detachable platinum coil system
K J Murphy1, S Mandai, P Gailloud
1Department of Radiology, Hospital Cantonal De Geneve, University of Geneva, Switzerland.
Radiology
|December 9, 2000
Abstract:
The authors evaluated a mechanically detachable platinum coil system intended for neurovascular use. The introduction characteristics, ease of delivery, ease of retrieval, and detachability were studied with fluoroscopic guidance with in vitro silicone models. All the coils passed easily through the microcatheter. The detachment maneuver occurred within 20 seconds with 20 or fewer rotations of the pusher wire. One of 229 coils detached prematurely but only after deliberate and extreme manipulation. The detachment system is safe, reliable, and consistent and will be useful for interventional neuroradiologists.