According to the supplier, the device history record (dhr) could not be reviewed as the lot number/serial number was not provided by the customer.No photos or samples were provided therefore the issue reported could not be confirmed.According to the supplier, all iris feeding tubes go through a leak test with pressure of 20±0.1psi per customer test specification.Any tube blockage failure detected is held in the manufacturing line.All tubes released have passed the leak test before being packaged and shipped.No abnormalities were found on the manufacturing line in the last 12 months.Based on this investigation and all available information at this time, no abnormalities were found during the manufacturing process.Therefore, the root cause could not be determined.No actions will be taken for this time.If a sample or additional information is received at a later date, this investigation will be updated accordingly, and a follow up report will be submitted.This complaint will be used for tracking and trending purposes.
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