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Device evaluation: analysis of the returned device identified: crease fold, wear abrasion, brown biological tissue inner the device and opening on posterior.Leak test and microscopic analysis was performed which identified: crease sharp on posterior and observed void 1 mm in non-textured, valve-to shell-bond area.The fill test inspection was performed, the result is no blockage.Based on the device analysis the final assessment is:an opening crease sharp on posterior assessed as fold flaw opening.A review of the device history record has been completed.No deviations or non-conformance's noted.Further information from the reporter regarding event, product, or patient details has been requested.No additional information is available at this time.Reason for reoperation: deflation.
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