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(b)(6).The complainant was unable to report the lot number; therefore, the manufacture date and expiration date are unknown.(b)(4).Investigation results the device was not returned for analysis; therefore, the root cause of the reported coating problem cannot be confirmed.However, a media analysis was performed on the photo submitted by the customer, and it was found that the inner coating of the sheath was peeled.The root causes of the coating problem and inner coating of sheath peeled cannot be established as the product is not available for investigation and it was confirmed to have been disposed by the customer.Based on the available information and in the absence of device return, the root cause of the reported clinical observations cannot be established.A labeling review was performed and from the information available, this device was used per the instructions for use (ifu)/product label.
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