|
Additional product code: kwp;kwq;mnh;mni;osh.Complainant part is expected to be returned for manufacturer review/investigation but has yet to be received.The investigation could not be completed, no product was received; no conclusion could be drawn at the time of filing this report.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
|
|
Device report from synthes reports an event in (b)(6) as follows: it was reported on an unknown date that the patient underwent for a spinal fusion in the lumbar spine treating centrum fracture on (b)(6) 2020.When the surgeon tried to pull the screw back and turned a sleeve counterclockwise, which resulted in tab breakage.The screw was removed, and a replacement was used to complete the rest of the procedure without surgical delay.There were no patient consequences.Concomitant device reported: unknown screwdriver (part# unknown, lot# unknown, quantity 1).This complaint involves one (1) device.This is report 1 of 1 for (b)(4).
|
|
Depuy synthes is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.If the information is unknown, not available or does not apply, the section/field of the form is left blank.H3, h4, h6: a review of the receiving inspection (ri) for cortical fix x-tab 7x45mm ti was conducted identifying that lot number tbachd was released in a single batch.Batch 1: lot qty of 303 units were released on december 11, 2019 with no discrepancies.As a result, the ri identified no issues during the manufacturing and release of this device that could have contributed to the problem reported by the customer.The ri identified no issues during the manufacturing and release of this device that could have contributed to the problem reported by the customer.Visual inspection: cortical fix x-tab 7x45mm ti was received at us cq.Upon visual inspection at customer quality (cq), it is observed that the reduction tabs of the device were broken and not received at cq.The rest of the device was received without any damage.The reduction tabs were intended to break (with a tab breaker) after the tightening of the screw not during the procedure.Thus, the complaint is being confirmed.Device failure/ defect found? yes.Documentation/ specification review: the following drawing(s) was reviewed; 5.5 cortical fix x-tab 4.35, 5, 6, 7mm cannulated screw assembly.Appropriate use of tab breaker for expedium verse.Surgical technique-precutaneous treatment of a degenerative spondylolisthesis using the viper 2 system.No design issues or discrepancies were found during this investigation.Dimensional inspection: dimensional inspection of the received device was not performed as the relevant features were broken and not received at cq.Complaint confirmed? yes.Investigation conclusion: visual inspection, and document specification review of the received device was performed at cq.The complaint is being confirmed as the reduction tabs of the device were broken.While a definitive root cause could not be determined for the broken tabs, but there is high possibility that the tabs might have encountered excessive force while pulling back the screw.During the investigation no unidentified product design/manufacturing issues or discrepancies were observed that may have contributed to the complaint condition.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post market safety surveillance activities.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
|