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Medical Definition of Catheter guide
1. A flexible metallic wire or thin sound over which a catheter is passed to advance it into its proper position, as in a blood vessel or the urethra. See: stylet. (05 Mar 2000)
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1. A flexible metallic wire or thin sound over which a catheter is passed to advance it into its proper position, as in a blood vessel or the urethra. See: stylet. (05 Mar 2000)