IV Catheter
IV Cannula · Intravenous Catheter · Peripheral IV Catheter · Large-Bore IV · IV Line · Angiocath
A short, flexible plastic tube that sits over a sharp metal needle, with a color-coded plastic hub at the back. After the vein is entered, the needle is pulled out and the soft catheter stays in the vein.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Gives the anesthesia provideran-us-THEE-zhuh pruh-VY-derThe licensed professional who gives anesthesia and watches over the client's breathing and vital functions during a procedure.Full entry a way to give IV fluids, drugs and blood. One or more are placed in peripheral veins before surgery starts. Large-bore catheters (16 to 18 gauge) are pulled for cases with expected heavy bleeding, and two are started when a patient is in shockshokA life-threatening state in which blood flow is too low to bring enough oxygen to the body's tissues.Full entry .
Lengths and variants
Common sizes run from 14 gauge to 26 gauge. The lower the gauge number, the wider the catheter and the faster the flow; 14 gauge allows the greatest flow. Sizes are color coded on the hub so the size can be seen after placement.
What experienced techs know
What techs who reach for it every day know about it.Pro
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3 sources
- Fuller. Surgical Technology: Principles and Practice. 8th ed. Chapter 12 (Perioperative Pharmacology), p. 225
- Open RN. Nursing Skills. 2nd ed. Chapter 23 (IV Therapy Management), section 23.4, p. 1429
- World Health Organization. Managing Complications in Pregnancy and Childbirth. 2nd ed. 2017. General care principles (Starting an IV infusion), p. C-34
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