History
The first type, developed by John Robert Dugan of Shelbyville, IN, were bare-metal stents. More recent are drug-eluting stents.
In development are stents with biocompatible surface coatings which do not elute drugs, and also absorbable stents (metal or polymer).
Read more about this topic: Coronary Stent
Famous quotes containing the word history:
“In the history of the United States, there is no continuity at all. You can cut through it anywhere and nothing on this side of the cut has anything to do with anything on the other side.”
—Henry Brooks Adams (1838–1918)
“The principle office of history I take to be this: to prevent virtuous actions from being forgotten, and that evil words and deeds should fear an infamous reputation with posterity.”
—Tacitus (c. 55–117)
“The principle that human nature, in its psychological aspects, is nothing more than a product of history and given social relations removes all barriers to coercion and manipulation by the powerful.”
—Noam Chomsky (b. 1928)