As the device in question was not returned a thorough investigation of the physical product could not be conducted.The product lot number was also not provided, as such a review of the device history records could not be conducted.An image showing two chest drains was provided by the institution.The first image of the drain has a higher level of blue tint.Based on the second image of the drain it is difficult to discern if there was any water in the suction control chamber at all.It is possible that the fluid on the second drain had evaporated to a level that required more fluid to be added thinning the amount of tint in the water column.Without the drain in question this cannot be confirmed.It is also important to note that even if the water is not blue the chest drain will perform properly.The images on the right clearly shows that the drain was collecting fluid properly as the drain appears to have collected 400ml of plural fluid.The water seal level of the chest drain is also far too full as the water seal level should be at the arrow level or 2cm water line as properly shown in the drain on the left.It is possible that the water intended for the suction control chamber was inadvertently added to the water seal instead.The instructions for use in the precautions section states the following: precautions 1.Do not overfill water seal above the 2 cm fill line.During the manufacture of the chest drain the manufacturing operator assembles the internal components of the chest drain following manufacturing procedure mp009257 internal component inspection & assembly.The operator has to manually place each component and verify its presence before moving to the next chest drain in sequence.The following manufacturing procedure requires that the operator also verify the presence of each component following manufacturing procedure mp009238, vibration welding of millennium drains.The dye plug in this instance is inspected for its presence in the drain at two separate operations in manufacturing.A review of the sales of the ocean drain over the last three years shows that there have been over 1 million ocean drains manufactured without a complaint for the dye not being present in the vacuum water control chamber other than from this institution.Summary/conclusion: based on the details of the complaint atrium medical corporation cannot conclude the ocean chest drain was faulty.Based on the image provided it would appear that the water intended for the suction control chamber was added to the water seal chamber as the level of water in the water seal area is at least two times (2x) the recommended volume.This also would explain why there appears to be no fluid in the suction control chamber.
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