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    4. what is the difference between an i.v cannular and a catheter?
    what is the difference between an i.v cannular and a catheter?

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    0  Views: 487 Answers: 1 Posted: 10 years ago
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      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

      10 years ago. Rating: 2
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