Additional information h2, h3, h6 information conclusion the reported complaint stated air entered the tubing.There was no patient injury/harm reported.A device history record (dhr) review was not performed as the lot number reported was unknown.Failure mode trending was reviewed, and no related adverse trends were identified.The reported product was returned for evaluation.Visual inspection and functional testing performed determined the device met specification.No fault was found during the investigation; therefore, the reported product failure was not confirmed.Additional action will not be taken at this time.This complaint will be used for monitoring and trending purposes.
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