| 摘要 |
<p>An apparatus for delivering fluid to a treatment area of a patient. The apparatus comprises a catheter (32) having first (34), second (36) and third (38) portions. The second portion (36) is more elastic than and positioned between the first (34) and third (38) positions. A proximal balloon (40) is operably connected to the first portion. A distal balloon (42) is operably connected to the third portion. The first portion has a first cross-sectional area, the second portion has a second cross-sectional area, and the third portion has a third cross-sectional area. The first and third cross-sectional areas are greater than the second cross-sectional area.</p> |
