This report is being filed to provide in investigation: a review of the device history record (dhr) for this unit showed no irregularitiesduring manufacturing that were relevant to this issue.An internal capa has been initiated to analysis user interface error when changing acda bagwhere the operator did not break or did not fully break the frangible.The customer submitted a photograph of the product bag, which showed 2 large, distinctaggregates, as well as signs of additional clumping throughout.The customer requested the following product enhancement stating:the current screen on spectra optia gives the operator 3 directions after the acd-a bag hasbeen changed:"spike ac""squeeze drip chamber""touch confirm".There needs to be a fourth step;"break frangible".The terumobct clinical specialist sent the request to terumo global product support andtraining.Thecustomer was informed that the new software version 12 does have two screens (prior to primeand during the run) where the instructions and graphic appear for a proper ac connection(including breaking the frangible) if the ac container notification is enabled.The customer wasinformed that they could contact their sales representative for this upgrade.Investigation is in process.A follow up report will be provided.
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This report is being filed to provide in investigation: per the customer the non-broken frangible occurred on the second bag of acd- a.There were no issues with the first bag used in this procedure.Root cause: based on the customer's statements and clinical findings, operator error caused the reported adverse event.The failure to break of the frangible on the correct connect for the ac bag led to inadequate anti-coagulation of the extra corporeal system and clotting in the product.It is possible for this type of error to go unnoticed for a length of time, resulting in a compromised product.During a procedure in which more than a single bag of anticoagulant is needed, the system will generate an ¿ac container is almost empty¿ alarm when it calculates the bag should be empty based on the ac bag volume that is entered by the operator at the beginning of the procedure.It is likely that when a new anticoagulant bag is used, the anticoagulant line will still contain fluid, and, if the frangible in the correct connect is not broken or if it is incompletely broken, that is, in the presence of low or no flow in the anticoagulant line, fluid could remain in the line and there would be no alarm indicating the inadequate flow condition.
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