A supplemental mdr is being submitted due to product evaluation findings.Sections g6, h2, h6: type of investigation, investigation findings, and investigation conclusions have been updated.The (b)(4), pressure monitoring set was returned for evaluation.One white particulate was observed inside the vamp flex reservoir (floated in solution) during visual examination.The particulate was approximately 2 mm x 1 mm in size.The plunger of the vamp flex was pushed to a closed position at rate of 1ml per 1 second, but the particulate stayed inside vamp flex reservoir.It was recommended by ifu to move the plunger at rate of 1ml per 1 second.The whole line was flushed continuously for 5 minutes, but the particulate stayed inside vamp flex after 5 minutes of continuous flushing.No other visible inconsistency was observed on the returned kit.The particulate was removed from the reservoir, and the particulate appeared to be a gel-like material.Per chemistry study the ir spectrum of the white gel like material was consistent with that of poly (octadecyl acrylate).During the execution of the engineering evaluation process, it was identified that the involved component is manufactured by the "procedure products inc." supplier; since this unknown material showed similar absorption characteristics when comparing to poly (octadecyl acrylate) like material does not interaction during manufacturing process, therefore, this defect is considered as a supplier related condition and the corresponding supplier notification was sent due to mail by the dr supplier quality team.
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