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Allium's Ureteral Stents are self-expanding large caliber stents, 24Fr - 30Fr (8 and 10mm) in diameter, made of a super elastic alloy covered by a polymeric material for preventing tissue ingrowth. 

Allium Ureteral Stents are intended for temporary long or short-term use in malignant or benign chronic Ureteral Stenosis. They are mounted on a ready to use 8 or 10Fr delivery system. By using the appropriate delivery system their deployment procedure can be performed either retrogradely or percutaneously.

We have had some success using this stent to cover ureteric fistulae allowing healing. The stent is easily removed by grasping the distal end cystoscopically and pulling, which unravels the stent allowing easy removal. We think the place for this stent is in management of benign ureteric strictures mainly, alkhough it can of course be used with malignant strictues.

It seems to have slightly less radial force than the Uventa stent which would probably be our choice for malignant strictures. The Allium stent is probably more easily removed than the Uventa stent.



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