The device referenced in this report has not yet been returned to olympus for evaluation.The exact cause of the patient's outcome cannot be conclusively determined at this time.The instruction warns users: "patients or their representatives should be informed of the possible complications associated with the use of this product.Gyrus acmi requests physicians notify the company of complications which may occur with the use of this indwelling device.Complications may include but are not limited to: risks associated with the medication, procedure, and the patient's degree of tolerance to the procedure and/or device; proximal or distal migration, possibly necessitating medical or surgical intervention to reposition or remove the stent; encrustation and/or stone formation; compromised urine flow due to stent blockage or ureteral occlusion; urinary tract infection; leakage of urine; perforation of the kidney, renal pelvis, ureter, or bladder; stent breakage, possibly necessitating endoscopic or surgical removal of the device.".
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