The drain upon receipt was contaminated from bodily fluids.Blood was in all chambers and in the water seal chamber.The fluid fill lines that were created by the attending nurse were clearly visible on the front of the drain indicating that the drain was collecting fluid after being connected.Once the oasis chest drain was disinfected the chest drain was set up per the instructions for use to ensure it was functioning properly.The regulator was cycled through the various setting and the results recorded.The drain was cycled from -10cmh2o to -40cmh20.The drain performed properly and no leaks were detected and the proper vacuum was achieved.The drain performed properly when set up following the instructions for use.The lot number was not provided therefore a device history record review could not be performed.The investigation was unable to determine the cause of the complaint based on the details of the event.The chest drains are 100% pressure tested in manufacturing to ensure the integrity of the product prior to shipment.Clinical evaluation: the oasis double drain is indicated for evacuation of air and/or fluid from the chest cavity or mediastinum and to help re-establish lung expansion and restore breathing dynamics.It may also be used to facilitate postoperative collection and reinfusion of autologous blood from the patient's pleural cavity or mediastinal area.The instructions for use (ifu) state that the suction source should be set to -80 mmhg or higher for chest drain regulator settings of -20 cmh2o or greater and that patient tube connections, water seal, suction regulator and bellows should be checked regularly to confirm proper operation.The ifu also states users should be familiar with thoracic surgical procedures and techniques before using a chest drain.
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