The urinary and biliary tracts can be blocked by benign or malignant tumors. Plastic stents are usually used to open the tracts, but they narrow over time and have to be replaced every three months. Allium’s stents are wider and made of metal, allowing them to survive for a year.
There are other metal stents for the urinary and biliary tracts similar to Allium’s, but they cannot be removed after insertion in the event of a problem. Allium has developed a collapsible stent that can easily be removed from the body. The stent is also coated with a polymer that prevents its adhering to the walls of the tract, facilitating its removal.
Allium plans to launch the stents in Europe over the coming year. The company says that it has distribution agreements for Italy, Germany and Sweden.
© Copyright of Globes Publisher Itonut (1983) Ltd. 2007
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