HAVE A HEART WITH DR. OZ
'(<a href="http://www.j-archive.com/media/2009-02-24_DJ_26.jpg" target="_blank">Dr. Oz holds a small wire mesh tube.</a>)  <a href="http://www.j-archive.com/media/2009-02-24_DJ_26a.jpg" target="_blank">These</a> wire mesh tubes are used to prop open an artery during balloon angioplasty & expand & lock into place as the balloon is inflated'
a stent