stent(redirected from covered stent)
Also found in: Thesaurus, Medical, Encyclopedia.
top: A balloon catheter with a stent is inserted into a clogged artery.center: The balloon is inflated, expanding the stent.bottom: The stent is placed and the balloon catheter removed, keeping the artery open.
1. A device used to support a bodily orifice or cavity during skin grafting or to immobilize a skin graft following placement.
2. A short tubular device made of wire mesh or fabric that is placed permanently in an anatomical passage, usually an artery during angioplasty, to keep it open after occlusion.
[After Charles R. Stent (1845-1901), British dentist.]
(Surgery) med a tube of plastic or sprung metal mesh placed inside a hollow tube to reopen it or keep it open; uses in surgery include preventing a blood vessel from closing, esp after angioplasty, and assisting healing after an anastomosis
[C19: after Charles Stent (1807–85), English dentist]
Med. a small, expandable tube used for inserting in a blocked vessel or other part.
[1960–65; orig. uncertain]