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It was reported that foreign material was present in the device.A 6mm x 100mm athletis balloon dilatation catheter was selected for use in a shunt percutaneous transluminal angioplasty procedure.The 75% stenosed target lesion was located in moderately tortuous anatomy.The plan was to place a non-boston scientific stent.Pre-dilation was performed with a non-boston scientific guidewire and the athletis balloon.The guidewire was then removed with the athletis left in place.An attempt was made to insert a different non-boston scientific guidewire, but there was resistance in the middle, and it could not be inserted.The guidewire was exchanged for another, but there was strong resistance in the same location, and it could not be inserted.An attempt was then made to insert the original guidewire, but resistance was felt at the same location, and it could not be inserted.The athletis was removed.When it was flushed, a blue residue came out.Target treatment was completed.No patient complications were reported.
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