| 摘要 |
<p>A percutaneous transluminal drug delivery device, comprising a balloon catheter having a balloon formed of expandable film fitted to the tip part of a flexible catheter and a stent installed on the balloon, expanding according to the expansion of the balloon but not contracting according to the contraction of the balloon, characterized in that the surface of the balloon and/or the stent is covered with porous substance capable of carrying liquid substance.</p> |
