The resection sheath was returned to olympus for evaluation.The evaluation confirmed that the black tip on the resection sheath was broken off.Based on the visual inspection performed the beak (tip) was found to have deep scratch on its body, and uneven jagged edges.The remaining portion of the beak is still glued inside the inner sheath; there was no missing fragments noted.There is evidence of adhesive remnants between the inner sheath and the beak, which is indicative that the beak had been glued properly.The jagged edges of the broken ceramic beak are attributed to excessive force being applied on the resection sheath or indicative that the resection sheath was hit or dropped during use.The instructions for use provides a warning note which states that "impact, fall, shock or similar stress can damage the ceramic insulation at the sheath's distal end and that the instrument must not be used if damaged since otherwise this can cause injuries to the patient and/or user." in addition, the oem performed a manufacturing and quality control review for the affected lot number without showing any non-conformities or deviations regarding the related issue.
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