(b)(4).The device was manufactured november 18, 2013 ¿ november 19, 2013.The used device was received for evaluation.An initial visual inspection did not identify any abnormalities that could have contributed to the reported condition.A functional leak test was performed by filling the device with dyed water.While filling, backflow was visually observed at the fill port.Further visual inspection revealed that there was a particle approximately 1.2 mm in size, trapped under the check band.Spectrophotometric analysis revealed that the particle was made of acrylic.The leak from the fill port was determined to be caused by the trapped particle.The cause or origin of the particle under the check band was not determined.A capa has been opened to investigate trapped particulate matter causing backflow in infusors.A batch review was conducted and there were no deviations found related to this reported condition during the manufacture of this lot.Should additional relevant information become available, a supplemental report will be submitted.
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