| 摘要 |
A multiple catheter system is described. In one embodiment a medical cathete r system includes a first catheter having an entrance orifice, an exit orifice , a channel connecting the entrance orifice and the exit orifice, and a wall surrounding the channel. In this embodiment the hardness of the wall surrounding the channel decreases in hardness then increasing in hardness an d then decreasing in hardness again when considered from an initial reference point at the entrance orifice and traveling towards the exit orifice. Anothe r medical catheter system includes a first catheter having an entrance orifice , an exit orifice, a channel linking the entrance orifice and the exit orifice , and a first wall surrounding the channel wherein the first wall has a bendab le curve memory portion.
|
