title: Stent designs evolving.  New models show promise to solve old problems.
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000295:instrumentation*; D020099:Coated Materials, Biocompatible / Q000627:therapeutic use*; D003324:Coronary Artery Disease / Q000628:therapy*; D054855:Drug-Eluting Stents / Q000639:trends; D019317:Evidence-Based Medicine; D006801:Humans; D062645:Percutaneous Coronary Intervention / Q000379:methods* / Q000639:trends; D011108:Polymers / Q000627:therapeutic use; D011474:Prosthesis Design / Q000639:trends; D016896:Treatment Outcome
chemical_list: D020099:Coated Materials, Biocompatible; D011108:Polymers