Solitaire Aneurysm Remodeling Registry

Inclusion Criteria: * Confirmed diagnosis of intracranial saccular aneurysms, either ruptured or unruptured * Aneurysm requires current treatment with coils and a stent or aneurysm hs been previously treated with coils, but no prior placement of a stent. * Aneurysm has a wide neck defined as having a neck equal to or greater than 4mm or a dome-to-neck ratio of \<2. * Patient is 18 years or older. * Patient has a Hunt \& Hess score of III or less. Exclusion Criteria: * Patient has a fusiform or dissecting aneurysm type. * Patient is contraindicated for either heparin or anti-platelet therapy. * Patient has severe allergy to IV contrast medium. * Patient has a known hypersensitivity to nickel-titanium.