in·tro·duc·er ( n tr -d  sr)n. An instrument or stylet used to insert a catheter, an endotracheal tube, or similar flexible device into the body. |
introducer,
n in acupuncture, a plastic tube used to guide needles for accurate insertion, typically used by beginning acupuncturists. Also called
guide tube.
guide tube.
introducer
a heavy metal fist-sized instrument to which a wire saw can be attached to be introduced into the uterus of a cow or mare and dropped over the part to be sawed. The weight and shape of the introducer ensure that it is easily found and pulled out with the wire attached, so that the fetotome can then be threaded.
introducer
Introducer sheath Interventional cardiology A short plastic tube placed within a vein or artery, through which various catheters are passed for local or central diagnostic or therapeutic interventions. See Catheterization.
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