microintroducer

microintroducer

(mī″krō-ĭn″trō-doos′ĕr, -dūs′)
The needle and sheath through which a guidewire and peripherally inserted central catheter are placed. Use of this instrument decreases the risk of vessel puncture and allows the person doing the procedure to use a smaller needle to access the vein and then enlarge the opening with a dilator.
References in periodicals archive ?
The efficacy of upper arm placement of peripherally inserted central catheters using bedside ultrasound and microintroducer technique.