| 摘要 |
<p>A catheter for insertion into a blood vessel capable of injecting a medicine into a plurality of branch blood vessels at once, and arranged such that a hole (2) is made in the middle of a master tube (1), a slave tube (3) having a diameter smaller than that of the master tube (1) is inserted from the base end thereof and the forward end of the slave tube (3) is led into the branch blood vessel B via the hole (2) in the master tube (1), thus injecting a medicine into a plurality of branch blood vessels A and B at once from the forward ends of the master tube (1) and the slave tube (3).</p> |
