Dec 4, '04. a cordis is a large-bore, usually single-lumen central line. it can be placed ij, subclavian, or femoral. it is also sometimes called an introducer, becuase it is frequently used as a pathway for a swan ganz (pa catheter) or transvenous pacer (the swan or pacer is floated through the cordis).
Best Answer: Why are they called 'magic markers'? The inventor Sidney Rosenthal named his new marking device Magic Marker because of its ability to mark on almost every surface. History of Pens & Writing Instruments. The first marker was probablythe felt tip marker, created in the 1940's. It was mainly used for labeling and artistic applications.
The paint from these types of markers is not truly permanent, as it can be removed using high pressure cleaning or paint thinning solvents such as acetone. Dangers. Paint markers, and permanent markers generally, contain the toxic compounds xylene or toluene. Like spray paint, these markers give off volatile organic compounds, which can be dangerous when not used in a well ventilated area or with a particulate mask. Gloves can also be worn to avoid absorption through the skin. Solidified paint pens. Another type of paint marker is the solidified paint pen.