This event has been recorded by zimmer biomet under(b)(4).This medwatch is being filed to relay additional information.The following sections were updated/corrected: b4, b5, g4, g7, h1, h2, h3, h6, h10.Reported issue: on (b)(6)2019 , it was reported that improper assembly could cause the width plate to be miss-aligned leading to patient injury.Per follow up: it was reported that the guide was improperly secured (human factor).Due to improper placement of the guide, the harvest of the donor site was much deeper than intended.The site required additional grafting.No injury to operator.Product will not be returned for investigation.The customer did not return a dermatome an device, serial number unknown, for evaluation.Dhr review: the device history record (dhr) review was unable to be performed as the device serial number is unknown.The customer did not provide a serial number during follow up.Device evaluations results/investigation findings: product review of the dermatome an was not performed as the device was not returned for repair or evaluation.Repair of the dermatome an was not performed as the device was not returned for repair or evaluation.To prevent or reduce the risk of the problem occurring: ensure that both tabs on the width plate of the dermatome an are properly seated in the locking mechanism; visually confirm that the tabs on the width plate are within the grooves on the head of the device, prior to securing the width plate screw.After securing the width plate screw, visually inspect the device to confirm the width plate is properly seated, parallel to the blade, and not on an angle.Train all users on the proper technique used to prepare the device for use.Probable cause/root cause: the reported event was never confirmed as the device was never returned for evaluation.Therefore, the root cause cannot be determined.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.Conclusion: review of the information provided during the investigation determined that there are no further actions needed at this time (ie/capa/scar/hhe/d).This complaint will be tracked and trended for any adverse trends that may warrant further action.
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