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(b)(4).Investigation summary: it was reported breakage suture.Twelve unopened samples of product code x519, lot kjh080 were returned for analysis.During the visual inspection of twelve samples, no defects were found on the packages.The samples were opened, and the swage and attachment area were noted to be as expected.The sutures were dispensed without problems and examined along of the strand and no defects, damaged or suture breakage were observed.A functional test was performed and determined that the tensile strength force was above the minimum requirement.The manufacturing records were reviewed, and the manufacturing/packaging criteria were met prior to the release of this batch.Per the condition of the representative samples, no performance - breakage suture was found and the tested samples met the finished goods requirements.Two sutures piece of product code x519h, lot # kjh080 and a suture piece of the product code and lot number unknown were received for evaluation.During the visual inspection of two sutures pieces of product code x519, the strand was noted broken due to stress applied, one of the end in each suture piece was noted cut appear to be by use of a surgical instrument and no functional tests could be performed due to condition of the sample received.A third suture piece was received for evaluation, the product code and lot number could not be identified, the body present damaged, fraying and the ends were noted with a lineal cut appears to be by use of a surgical instrument.As with any device, care should be taken to avoid damage to the strand when handling.Avoid the crushing or crimping action of the surgical instruments, such as needle holders and forceps.The manufacturing records were reviewed, and the manufacturing/packaging criteria were met prior to the release of this batch.Per the condition of the sample received, the assignable cause of the performance breakage suture is an improper handling and the reported complaint was confirmed.A manufacturing record evaluation was performed for the finished device lot kjh080, and no non-conformances were identified.
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