Age at time of event: 18 years or older.(b)(4).Device evaluated by mfr: the return product consisted of a coytoe es balloon catheter.The balloon, tip, shafts, hypotube, and bonds were microscopically and visually examined.There was contrast and blood in the inflation lumen and blood in the guidewire lumen.The balloon was loosely folded.There were numerous kinks throughout the shaft and hypotube.Microscopic examination of the shaft revealed a 1mm hole 10 mm from the distal portion of distal tip marker band.The hole in the shaft was consistent with a guidewire puncture though the shaft.The tip of the device was damaged.There were no irregularities in the balloon or marker band material that could have contributed to the damage.Inspection of the remainder of the device, apart from the observed damage, revealed no other damage or irregularities.The manufacturing batch record review confirmed that the device met all material, assembly and performance specifications.The most probable cause of the reported difficulties may be due interaction with another device.(b)(4).
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Reportable based on device analysis completed on 10-may-2017.It was reported that crossing difficulties were encountered.The chronic totally occluded (cto) target lesion was located in the moderately tortuous and moderately calcified superficial femoral artery (sfa).After a guidewire crossed the lesion for 20 cm, a 1.5 mm x 20 mm x 143 cm coyote¿ es balloon catheter was advanced but failed to cross the lesion.The device was removed and the procedure was completed with another coyote balloon catheter.No patient complications were reported and patient's status was good.However, returned device analysis revealed a shaft hole.
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