intracatheter

[ĭn′trə-kăthĭ-tər]
n.
  1. A plastic tube, usually attached to a puncturing needle, inserted into a blood vessel for infusion, injection, or pressure monitoring.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.