TOTAL OCCLUSION GUIDEWIRE DEVICE

摘要

A guidewire (10) comprising a spreader (15) or at least one centering device (40) which may be used to open occluded vessels or other biological passages , especially chronic total occlusions. The guidewire may be used to either ope n the lumen or to center a boring device (45) within the lumen, so that the chronic total occlusion can be crossed, and an interventional procedure can then be performed.