The device history records have been reviewed with special attention to the raw materials, subassemblies, manufacturing process and quality control testing.This lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.One filter was returned for evaluation.The device appeared clean with all limbs present and uncrossed.The investigation is inconclusive for the reported difficulties advancing the filter and positioning issue as no information surrounding filter deployment was provided.Per the provided event details, the filter was placed in an unexpected place because the filter was stuck into the sheath.Therefore, the difficulties advancing the filter likely resulted in the positioning issue.However, the definitive root cause for the deployment issues is unknown.The device is labeled for single use.
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