Flow diverter for covering aneurysm occurring in blood vessel of brain of patient, has lateral openings for collateral vessel, which are formed on surface of flow diverter, such that openings are surrounded by reinforcing rings

摘要

The flow diverter (4) has input portion (5) and output portion (6). The lateral openings (7) for collateral vessel, are formed on the surface of the flow diverter. The lateral openings are surrounded by reinforcing rings (8) made of metal. The flow diverter is made of nitinol braided fabric.