At the time of the reporting decision, neither the tube sets nor the device used during this event have been returned for evaluation and the evaluation results were not available.However, we investigated the retention samples from the same lot and the samples correspond to the specification they could be inserted into the insufflator and recognized without any problems.Accordingly, since the tube set from a different lot worked without any issue we cannot exclude a malfunction of the used tube sets for this procedure.Nonetheless, the event description includes a defined risk to patient's health and led conversion to open surgery (open procedure).
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