1.   Stents are used to support veins following angioplasty.

2.   Stents are medical devices used to prop open coronary arteries following angioplasty, a procedure used to clear placque from arteries.

3.   Stents are medical devices used to prop open coronary arteries following angioplasty, a procedure used to clear plaque from arteries.

4.   Stents are wire-mesh tubes used to prop open coronary arteries following angioplasty, a procedure used to clear blocked arteries.

5.   The results announced yesterday covered use of the drug in patients following angioplasty, a common artery-clearing procedure.