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The express drain was removed from the packaging and inspected for any damage.No damage was found.Upon initial inspection there was a lot of blood still within the chest drain that had been coagulated with silica.The decontamination process of the drain was performed but due to the amount of silica in the drain the float ball was unable to move and the water seal area was also clogged with this silica as seen in the image below.The chest drain was completely filled with a solution of bleach and water for over an hour and there were no signs that the drain was leaking.The drain was then emptied.The water seal chamber was filled to the fill line per the instructions for use.A vacuum line was then added to the suction port of the chest drain and suction applied to -80 mmhg and the chest drain regulator settings to -20 cmh2o also per the instructions for use.When the vacuum was applied, with to the silica still in the drain only very light bubbling in the water seal was seen.When the patient line was clamped off completely the bubbling stopped in the water seal indicating that there was no leak in the chest drain.The regulator pressure was then increased to -40cmh2o and the bubbling in the water seal only increased slightly due to the blockage the silica was making in the water seal area.It is probable that the drain was fully functional based on this testing.During the manufacturing of the chest drains they are all 100% tested to ensure that there are no leaks.Summary/conclusion: based on the details provided and the evaluation of the physical product atrium medical corporation cannot conclude that the drain was at fault.It is likely that the drain line connection to the chest tube catheter lines were leaking and upon replacing the chest drain made a better connection of the patient line to the catheter improving the outcome for the patient.
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