It was reported that a patient developed a tension pneumothorax, so a chest tube was inserted with dry seal chest drain.However, the patient worsened even when hooked up to suction and nursing and attending had confirmed the accordion was inflated.They changed out the drain without making any other changes and immediately saw resolution of patient's decompensation both clinically and via cxr imaging.
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This complaint claims that an oasis drain was set up on a patient with a vacuum source and the bellows inflated, indicating that suction was present; however, the patient developed a pneumothorax.The drain was swapped for another one that resolved the issue.The drain was returned to atrium for investigation without the patient tube.When received, the drain had some collected drainage fluid in it.Upon investigation, the drain was found to be functioning properly when set up correctly.Based on the details provided by the customer and the information reviewed during the investigation, it cannot be confirmed that the device was non-conforming to it's specifications.The root-cause of this complaint is user error.A dhr could not be completed because the lot number was not provided.However, based on the description of the complaint and the results of the investigation, it is not believed that materials, equipment, or manufacturing processes are involved.The ifu for this device provides instructions for how to properly set up and use the drain.Complaint trending did not identify any excursions that require a corrective action request.The complaint history review identified three similar complaints, however two of those are believed to be caused by user error and the third was damage caused by supply chain handling (that kind of damage was not present on this drain).
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