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.
Copic markers have become a favored tool of stampers, card makers, scrapbookers, scientific illustrators, and even manga artists. Copic markers are different than other markers in their applications and in their cost. Michelle Houghton is a certified copics instructor.ere are things that make them special: 1  All of the markers can be refilled with ink and come with replaceable nibs or tips. 2  The labeling on the side of the markers is embossed so will not rub off. 3  The ink in the Copics is an alcohol based dye ink.