Stent/stent/ Definition 1 of 2Pro Tip 1/3Medical Procedure Often relates to heart or blood vessel treatment, not just any tube. After the heart surgery, they placed a stent in his artery. Pro Tip 2/3Advanced Vocabulary Considered a technical term used by healthcare professionals. A stent may be required to treat the blockage. Pro Tip 3/3Treatment Specific Used specifically when talking about keeping passageways open inside the body. The patient's recovery involved a stent to prevent artery re-narrowing.