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.
Grave markers are a way of memorializing the ones we love and a way of saying goodbye. Over the centuries there have been many versions of what we now consider to be grave markers. Early on such things as boulders and stones were laid at the foot of graves, hence the term âfoot stoneâ. Slabs of stone were also set on graves but for far less honorable reasons.