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Investigation initiated manufacturer's investigation review dhr inspect returned samples *analysis and findings distr.History the complaint product (sn 24872121) was manufactured at csi on 05/31/18 under work order 248721.Manuf.Record review dhr - 248721 was reviewed and no non-conformity, related to the complaint condition, were noted.Incoming inspect.Review incoming inspection record review not applicable to this product.Serv.Hist.Record no service history record found for this unit.Historical complaint review a review of the 2-year complaint history showed similar reported complaint conditions, where the handle broke.Product receipt the complaint unit was returned 03/31/21.Visual eval.Visual examination of the complaint unit revealed a broken handle functional eval.Complaint unit was functionally evaluated and found not to function properly.During investigation, the handle was found to be broken, with the break going through the wire hole on the handle.Root cause based on the historical complaints and prior root cause investigation, it was confirmed from tests that the failures were occurring at a level of force not likely to occur with just the articulation of the handle.Instead, it was apparent that the loads required to break the handle exist when the koh efficient (ke) is not in the proper position on the arm.When the ke is not properly positioned, it can impede in the rotation of the tip drum, introducing an undesired force on the device which can result in a broken plastic handle break.The plastic handle did not undergo a recent design or material change.*correction and/or corrective action based on the investigations performed under capa 605, it was determined that no corrective action was necessary to address the failure mode seen under the complaint unit due to a rpn (risk priority number) lower than 200.Umh650 broken handle complaints are entered into coopersurgical's continuous improvement program (cip) for trending and monitoring.The product met the required release specifications per dhr review.No re-training required.*was the complaint confirmed? yes.
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