Additional information was added: the device was manufactured from may 9, 2019 - may 10, 2019.One actual device was received and evaluated.The other device was not received and therefore, could not be evaluated.A visual inspection of the returned sample was performed using the naked eye which found evidence of leak/backflow at the fillport when the fillport cap was removed.Further inspection revealed the cause of the leak/backflow was due to a particle measured to be 0.70 square mm in size, lodged under the device checkband.The particle was subsequently identified to be acrylic material via ftir (fourier-transform infrared) spectroscopy test.Acrylic is the material of the device stressmember.The cause of the condition could not be determined.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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