This mdr was generated under protocol (b)(4), as a result of warning letter cms# 617147.A product sample was received for evaluation.Visual and functional testing were performed.Three (3) pictures were attached for evaluation: in the picture 3, the technician observed the tube arch height, it was difficult to know if it was within the specification or not according to the procedure.One (1) physical unit sample was returned for evaluation.It was received decontaminated and inside of plastic bag without the original package.One unit was visually analyzed for tube arch height dimension, since this variable was direct related with the potential failure of delivery accuracy.The technician could not measured with the vision system, because the cassette cannot be disassembled to insert it into the fixture of the vision system.The sample was set for accuracy testing using a pump and a balance mettler toledo due date: january 2022 to look for unusual function.The sample decontaminated received pass the accuracy test (see disposable accuracy test report on attachments marked), thus the failure mode reported was not confirmed.The root cause of the reported issue could not be confirmed as the reported issue could not be replicated at the time of the device evaluation.No corrective actions were taken since the complaint was not confirmed.
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