We have been informed about a defect product, "calcification on stent", on a vortek double loop ureteral stent.After receiving this complaint, we searched for other complaints and we didn't find any other complaint regarding the lot number 8340286.On 10th january, we received one used sample.At visual examination, we see that the stent is calcified.Checking the quality database revealed no anomaly in relation with the described product.According to the instructions for use, the following events have been reported although their occurrence greatly depends on patients¿ medical conditions: infection, encrustation, obstruction, rupture, migration, bladder irritation symptoms, pain, hematuria, erosion.Regular monitoring for these adverse events should nevertheless be implemented following placement.Periodic monitoring by ultrasonography, radiography and/or cystoscopy is recommended to evaluate stent efficiency and identify any complications.The stent should be removed if drainage is obstructed by encrustation, if there are any signs of infection in the area around the stent or in the event of migration or rupture.Based on the above, this complaint is not confirmed as a product defect but is considered as possible event with the use of this kind of device.
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