| 摘要 |
<p>A catheter balloon may include a proxial waist portion, a proximal cone portion, a first body portion, a second body portion, a third body portion, a distal cone portion and a distal waist portion. The second body portion may comprise a stepped-down section. An inflated diameter of the second body portion may be less than an inflated diameter of the first body portion or the third body portion. An outer surfaced of the second body portion may be provided with at least one implement, such as a blade or stiffening member.</p> |
