| 摘要 |
<p>A balloon (10) for an angioplasty catheter expandable by means of a pressurized inflation liquid comprises at least one wall portion (12) provided with passageways (16) for diffusing an active agent conveyed by the aforesaid pressurized liquid. The passageways (16) are provided with obturators (18) that can be opened under the pressure exerted by the pressurized liquid, for example in the form of septa frangible under the pressure of the pressurized liquid.</p> |
