Investigation summary: this complaint reports that all the fluid leaked out of the water seal chamber.It states that there was no additional harm to the patient as a result and that another drain was used successfully.No pictures were provided, but the drain was returned for evaluation.The drain was returned with no obvious damage.The barbed connector was missing and the end of the patient line had been cut off.There was no sign that any drained fluids had entered the drain.The blue dye ball in the water seal column was mostly white and appears to have been exposed to water at some point.There was no fluid in the water seal chamber or anywhere else in the drain.The water seal chamber was filled with water up to the 2cm fill line.Soon after, water began leaking out the bottom of the drain.The leak point was identified as a broken weld in the drain cover, in the bottom left corner just under the water seal chamber.The cover welding was checked around the rest of the drain and the bottom left corner is the only part that was broken.Pulling up on the corner of the cover, melted plastic can be seen from the original weld.There is also a crack in the cover starting near that corner.This strongly indicates that the drain was dropped, which is likely what broke the weld and led to the leak.A dhr review was completed and no anomalies in manufacturing were identified.The ifu provides adequate instructions for use of the device.The user swapped to another device when it became clear that this one was damaged.A review of ncrs found none related to this complaint.This complaint is confirmed and a device nonconformance was also confirmed, however it cannot be determined when the nonconformance occurred.A likely opportunity for the damage to occur during manufacturing was not identified.It most likely occurred during use by the customer.It is suspected that the device fell or was dropped, however an exact cause cannot be identified.The root-cause of this complaint is impossible to define.No evidence was identified to suggest that this complaint is related to design, manufacturing or instructions for use.No escalation is needed.
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