(b)(6).Investigation - evaluation: a review of drawings, device history record, instructions for use (ifu), manufacturing instructions, specifications and quality control was conducted during the investigation.The device is shipped with an instruction for use; which provides instructions for insertion and removal as well as applicable warning and precautions.The complaint device was not returned; therefore, no physical examinations could be performed.However, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.Review of device history record shows no nonconforming events which could contribute to this failure mode.It should be noted there were no other reported complaints for this lot number.Action has been previously initiated to further investigate this failure.We will continue to monitor for similar complaints.Per the health risk assessment (hra) no further action is required.
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