stent

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stent

Medicine 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
References in periodicals archive ?
One of the challenges in coarctation stenting, particularly in covered stents, is to preserve flow to left subclavian artery as its usually originates very close to coarctation segment.
Although, its incidence has decreased with covered stents, but growth can occur proximal or distal to the stent and through the flanges.
To avoid these severe complications, covered stents have been used to maintain perfusion, which is particularly important in patients at risk of portal vein thrombosis.
6,7) Recently, endovascular repair of PFA hemorrhage or false aneurysm with covered stents have become feasible.
10 Contrarily, EVAR is performed under real-time monitoring to lead an appropriate covered stent into the abdominal aorta through the femoral artery, aiming to cover the proximal-and distal-end aneurysm necks.
Figs 4 and 5 are images showing a bare metal stent and covered stent grafts (Viabahn), respectively.
Keywords: Pseudoaneurysm, External iliac artery, Femoral artery puncture, Covered stent.
Covered stents for injuries of subclavian and axillary arteries.
KEY WORDS: Carotid stenosis, Carotid-cavernous fistula, Minimal symptom, Covered stent.
19 October 2011 - US medical devices maker Boston Scientific Corp (NYSE:BSX) said yesterday that it had completed enrollment in a clinical trial to evaluate its WallFlex Biliary RX Fully Covered Stent for the treatment of benign bile duct strictures (narrowing or blockages).