Product complaint # (b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803 (and/or part 4, as applicable).This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes, or its employees that the report constitutes an admission that the product, depuy synthes, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.
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Product complaint # (b)(4).Investigation summary: according to the information provided, ¿sales rep indicated the plan was more in line with psa verse mechanical alignment.The case was planned at 4 degrees valgus.¿ the product was not returned to depuy synthes, however photos were provided for review.See attachment (post op xrays_potter.Jpg).A screenshot of an x-ray was provided showing a postop left tka.The x-ray shows an overcut on the internal tibial aspect (or overcut on the external side) that makes the tibial tray deviate into a valgus position, however, without additional evidence the actual postop knee aliment axis is unknown.Based on the voice of the customer, the reported valgus tibial tray position is confirmed.A product development investigation was performed and it was concluded that the segmentation, design proposal (plan), and guide design were all designed within trumatch specifications.No issues were identified that would have contributed to the valgus tibial positioning.A manufacturing record evaluation was performed for the finished device product description: trumatch ct cut guide kit l product code: 420915 lot number: 45465 and no non-conformances or manufacturing irregularities were identified.As the device was not returned, an as-received condition could not be assessed, and a dimensional inspection and document/specification review were not completed.The overall complaint revealed there was no malfunction with the trumatch ct cut guide kit l, but rather the either surgical technique or patient anatomy contributed to the confirmed valgus tray position.Based on the investigation findings, it is suspected that surgical technique and customer dissatisfaction with the design plan contributed to the valgus position of the tibial tray, however a definitive cause could not be determined.There is no indication that a design or manufacturing issue has caused the complaint condition.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.Device history lot: a manufacturing record evaluation was performed for the finished device product description: trumatch ct cut guide kit l product code: 420915 lot number: 45465 and no non-conformances or manufacturing irregularities were identified.Device history review: a manufacturing record evaluation was performed for the finished device product description: trumatch ct cut guide kit l product code: 420915 lot number: 45465 and no non-conformances or manufacturing irregularities were identified.
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