Reported event: an event regarding unintended movement involving a mako robotic arm was reported.The event was confirmed.Method & results.Product evaluation and results: the field service engineer reported: problem reproduced? no.Trouble shooting notes: none.Work performed: performed a pm service on (b)(6).Tightened joint 5 and 6 transmission cables to optimum test values.System is ready for clinical use.Work order disposition: system investigation completed successfully as per service manual.All system checks and tests passed, system is ready for use.Clinician review: no medical records were received for review with a clinical consultant.Product history review: a review of device history records shows that (b)(6) was inspected on 27/01/2012 and the quality inspection procedures were completed with no reported discrepancies, complaint history review: a review of complaints in trackwise related to p/n 209999, robot number: (b)(6) shows 0 additional complaints related to the failure in this investigation.Conclusions: the alleged failure mode was confirmed.Successfully completed all checks, verifications, and calibrations.System is ready for clinical use.No additional investigation or specific actions are required.If additional information is received then the complaint will be reopened.Device not returned.
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