chong Li
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pythonlover
Best answer!
Catheters generally follow an existing portal into or within the body, such as the urethra, veins, arteries, etc.Cannulas are tubes with a trocar at the front (read sharp front end), used to create a portal into the body, often for drainage. The difference is a cannula is not neccessarily going to be used to follow an existing channel. as would a catheter.
Note that nasal cannulas used in breathing appartus and oxygen delivery are named because of the shape; they aren't used to pierce as most cannulas would.
Source >http://wiki.answers.com/Q/What_is_the_difference_between_Cannula_and_catheter
| 11 years ago. Rating: 2 | |
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