Implanted date: device was not implanted.Explanted date: device was not explanted.The actual sample was not returned to the factory for analysis and the involved lot number was unknown.Regarding the involved product code, the manufacturing record and the product-release judgement record of the past two years were reviewed but no anomaly was confirmed.Ifu states: if any resistance is felt or if the tip's behavior and/or location seems improper, stop manipulating the guide wire and/or endotherapy accessory and determine the cause by fluoroscopy or endoscope.Continuing to manipulate the guidewire could cause patient injury, such as punctures, hemorrhages or mucous membrane damage.It may also damage the endoscope, instrument and/or endotherapy accessory.It was likely that the actual sample might have come into contact with the bile duct unintentionally while being inserted by being rotated, which resulted in the perforation of the bile duct.However, with no device return the exact cause of the reported event cannot be definitively determined based on the available information.(b)(4).
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