| 摘要 |
PURPOSE: A half opened stent and a bifurcation free angle balloon containing the same are provided, which can perform safe surgical operation on the stricture part. CONSTITUTION: A half opened stent is constituted as follows. The stent(10) has the shape consisting of the net of multiple waveform modules. The front-end(14) of the stent is cylindrical shape. The back-end(16) of the stent is formed in the cut cylindrical shape. The bifurcation free angle balloon comprises a main balloon inserted into the main blood vessel, a branch balloon inserted into the branch blood vessel, and the half opened stent. |
