So how DO stents for the heart work?

Question: So how DO stents for the heart work?
- Keywords:
  heart,
  stents
Asked by rhia to Claire C on 13 Mar 2017.
- Claire Conway answered on 13 Mar 2017:
  
  Stents are like small tubes of wire mesh. The wire mesh is expanded to open the blocked artery and stays there keeping the artery open. Look at these pictures to find out more:
  http://claireconway.weebly.com/education.html

Question: So how DO stents for the heart work?