The indicator giving incorrect reads due to bent tubing would impact the therapy of the patient.The complaint investigation was performed based on the content of the issue reported.There was no physical returned product, however, the photo image was provided and confirmed the bent tube.There was no lot number provided; therefore, the device history record (dhr) review was unable to be conducted.A root cause could not be identified but a possible cause may have been due to handling or storing of the product.We will continue to monitor trends during our periodic complaint review meetings.Based on rma-20019 rev 1, pro2, product risk analysis under the known and foreseeable hazards "connecting tubing kink" id r5 was identified.The potential cause(s) of hazard (hazardous situation) "tube twisting" 4 = severity, 2 = likelihood of occurrence, rpn is 8; therefore, the risk level is acceptable.Based ref-20001-c1 rev 1 in table 1a, the risk is low.The regulatory / compliance risk is low.
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