This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms#(b)(4) no problem or issues were identified during the device history record review.A sample was received for evaluation.Sample was received in used conditions without its original packaging.In the pictured it was observed that the filter was occluded; the failure mode reported is confirmed.During functional testing the sample was tested using a syringe with colored water to detect any occlusion.During the test, the water did not pass-through filter.The complaint is confirmed.Continue with the analysis, we tried to replicate the failure mode.Based on the tests results, it is concluded that the failure could be reproduced in two ways: 1.When the excess of solvent is not cleaned before to assembly the tube with the component.2.When the tube is introduced two times in the solvent dispenser (procedure is not followed).An alert was generated to ensure adherence to manufacturing procedure related to clean the excess of solvent before to assemble tube with the component.Also, personnel notification was performed to notify production personnel about the failure mode reported by the customer.
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