The drain was not returned therefore an evaluation was unable to be performed.A review of the devise history records was performed and the lot of express chest drains passed all quality and performance criteria.All samples are 100% pressure tested during the manufacturing process.Based on the results of the investigation whereas the drain in question was not returned atrium medical corporation could not conclude that the chest drain in question was leaking.There is a possibility that there was a leak in the catheter attached to the patient line of the chest drain.We are unable to confirm this, as after multiple attempts to obtain more information and the unit was unsuccessful.Clinical evaluation: the express chest drainage system is intended to evacuate air and/or fluid from the chest cavity or mediastinum and to help re-establish lung expansion and restore breathing dynamics.It also facilitates postoperative collection and reinfusion of autologous blood from the patient¿s pleural cavity or mediastinal area.An air leak can occur in a chest drainage system for several reasons.An air leak would occur on the device side if there were a loose connection between the patient and the drain.A pleural leak would be a result of the thoracic catheter becoming dislodged, or pulled out of the chest wall insertion site.The instructions for use (ifu) states patient tube connections, air leak monitor, vacuum indicator, 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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