Investigation - evaluation: a review of the documentation and specifications of the device was conducted during the investigation.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.Based on the information provided, no product returned and the results of our investigation, the wire was severed by the physician in error during a laser procedure with a laser device, the manufacturer of the laser device is unknown.Only authorized individuals with appropriate medical laser training and knowledge should operate the laser system.The evaluation results are inconclusive; the root cause of the customer's difficulty could not be determined however the complaint was confirmed based upon the customer's statement.We will continue to monitor for similar complaints.Per the quality engineering risk assessment no further action is required.
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