The device was returned for evaluation nd the (b)(6) reported that a "knick was found on the stylet inside the balloon inflation line" was not confirmed.It was observed that the knick was a clear loose particulate.Upon closer examination, it was observed that the clear loose particulate was on the inner tubing of the cannula.No other visual damage, contamination, or other abnormalities were found on sterile barrier packaging and product.The device was sent to chemistry lab for ft-ir analysis.The particulate was removed from the sample slide and scanned.Particulate was measuring at 1619 m by 1672 m for an area measurement of 2,706,968 m².The ft-ir spectrum showed similar absorption characteristics to polyester foam like material.An engineering task was performed and a supplier, design, ifu, and labeling defect were not confirmed.A manufacturing defect was confirmed.The trend was reviewed and found to be in control.The device history record (dhr) was reviewed and showed that this device met all manufacturing and sterilization specifications for product release prior to distribution.The loose particulate found inside lumen of device in sealed pouch was likely due to not following procedures.Corrective and preventative action will be initiated for this issue.
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