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.
Sharpie markers. Marker. A marker pen, fineliner, marking pen, felt-tip marker, felt-tip pen, flow, marker or texta (in Australia) or sketch pen (in India), is a pen which has its own ink-source, and a tip made of porous, pressed fibers such as felt. A permanent marker consists of a container (glass, aluminum or plastic) and a core of an absorbent material.