(b)(4).The customer returned an opened si-09880 kit containing a kinked guidewire and some additional components.The guidewire was inside the advance tube but out of the guard.The distal end was found to be kinked with several instances of coil offset near at the j-tip.No signs of use were identified.The tray was found to be damaged and was no longer able to lay flat.No issues were identified with the other components.Due to the tray also being damaged, but not noted by the customer, it cannot be determined when this issue occurred.The length and outer diameter of the guidewire were measured and were found to be within specification.A manual tug test was performed on both welds to confirm they were still intact.The customer reported issue of the guidewire being found unraveled in the kit was not confirmed, however a kinked guidewire was returned.Visual inspection was performed on the returned guidewire and it was found to be kinked at the distal end with several instances of coil offset.The tray the guidewire was returned in was also damaged.Dimensional inspection was performed on the guidewire and no issues were identified.Based on the information and sample provided the probable cause of this issue could not be determined.
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