What is the definition or description of: stenting?

Insertion of stents : Implanting coronary vessels to open and maintain patency of blocked vessels stenting can be done to unclog blockage in general eg.Kidney stents \ biliary stents.

Reopening: In general, a stent is a metal tube used to keep a vessel open. Stents can be placed in a huge number of places, including blood vessels, bile ducts, even in the colon or in the esophagus.