This report is related to initial report from importer oscor with importer report # (b)(4).The device was returned to manufacturer and arrived on (b)(6) 2019.Initial evaluation did not show any functional problem.However, the device showed mechanical damages.The housing was damaged on the arm cuff brackets and lower housing body.Despite the mechanical damages, further evaluation did not raise any function defect causing sensing problems.The failure description could not be reproduced.The pacemaker works according to its specification.Possible causes for sensing failures could be: bad lead to tissue contact.Inappropriate lead position.Not correct adjustment of sensitivity threshold causing undersensing due to wrong sensitivity setting - to hight sensitivity values.Unfortunately there were no further details of the circumstances available which could explain the most likely root cause.After the customer has approved the repair of the damaged housing, the housing part has been replaced and the device has passed safety and functional test and returned to the importer on (b)(6) 2020.
|