(b)(4).Investigation: we received 250 carbon steel scalpel blades #15: 236, unopened, no deviation found with the naked eye.4, no deviation found with the naked eye-opened by customer.5, anti-rust inlay misplaced- opened by customer.3, anti-rust inlay misplaced- opened by vigilance investigator.2, unopened, but without lot stamp.One pack included two blades the peel packaging of eight blades are not sealed correctly since the anti-corrosion-inlay is not at the right position.Batch history review the device quality and manufacturing history records for the available lot numbers have been requested at the responsible q-coordinator of the production plant.The answer is still pending.This report will be updated upon receipt of the review confirmation.No similar incidents have been filed with products from this batch.Conclusion and root cause: based on the information available as well as a result of out investigation the root cause of the failure is related to a manufacturing error.Rationale the detected error can be attributed to a production error.A capa has been initiated.
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