intraluminal coronary artery stent


Also found in: Dictionary, Thesaurus, Encyclopedia.

intraluminal coronary artery stent

a device permanently inserted into a coronary artery to maintain patency of the lumen of the vessel.
Enlarge picture
INSERTION OF A CORONARY ARTERY STENT: (A) A balloon catheter with a collapsed stent is advanced to the location of a coronary artery lesion. (B) The balloon is inflated, which expands the stent and compresses the lesion to increase the artery opening. (C) The balloon is then deflated and removed, leaving the expanded stent in place to prevent the artery from closing.
Enlarge picture
INSERTION OF A CORONARY ARTERY STENT: (A) A balloon catheter with a collapsed stent is advanced to the location of a coronary artery lesion. (B) The balloon is inflated, which expands the stent and compresses the lesion to increase the artery opening. (C) The balloon is then deflated and removed, leaving the expanded stent in place to prevent the artery from closing.
Enlarge picture
INSERTION OF A CORONARY ARTERY STENT: (A) A balloon catheter with a collapsed stent is advanced to the location of a coronary artery lesion. (B) The balloon is inflated, which expands the stent and compresses the lesion to increase the artery opening. (C) The balloon is then deflated and removed, leaving the expanded stent in place to prevent the artery from closing.

intraluminal coronary artery stent

A stent made of an inert material, usually metallic, with a self-expanding mesh introduced into the coronary artery. It is used to prevent lumen closure (restenosis) following bypass surgery and to treat acute vessel closure after angioplasty.
See: illustration
See also: stent
Mentioned in ?