Other, other text: 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.One used decontaminated sample was returned for investigation without its original packaging.The returned sample was visually inspected under normal conditions of illumination according to procedure.During visual inspection, it was noticed that the inflation line was detached from pilot balloon and a lack of solvent was detected; thus, the failure mode reported is confirmed.To expand this investigation a non conformance was opened to implement immediate actions to mitigate this reported condition by improving process steps directly related with factors in process that may infer on this failure: the checklist to the manufacturing procedure, that is used to release the equipment.This will include verification in the critical alignment tooling that technician needs to do, with the purpose to confirm that tube can be inserted properly and the connection with the balloon is secure, avoiding weak joint between these two components and the checklist related to another procedure was updated to record preventive maintenance.Including a new method of the maintenance execution verification in order to assurance the adherence of the procedure and that samples produced after maintenance keep the quality features consistently.
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