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.
Highlighters and fine-line markers appeared in 1970's. Binney & Smith, who made Crayola, bought name âMagic Markerâ in 1989 and started selling improved permanent markers and highlighters. In 1996 they started selling Magic marker II and dry-erase markers for writing on whiteboards and glass.