|
Additional product codes include dyg catheter, flow directed.A report is being submitted due to product evaluation findings of an unknown substance within the catheter balloon.Report of cco issue or blood was noted in the balloon was unable to be confirmed.No fault messages showed up on the lab hemosphere monitor when the catheter was connected.The catheter ran cco in 37.0 c water bath on hemosphere monitor for 5 minutes with no error.The thermistor was found to read 36.9 c when submerged into a 37.0 c water bath.Thermistor temperature reading accuracy is +/- 0.3 c per hemosphere manual.Thermistor and thermal filament circuit were continuous, there were no open or intermittent conditions.Resistance value of thermal filament circuit, 39.05 ohms, was in specification of 33.0 to 43.0 ohms.Both thermistor and thermal filament connectors were opened and found no visible inconsistencies.All through lumens were patent without any leakage or occlusion.The balloon inflated concentric and remained inflated for more than 5 minutes without leakage.Unknown yellow liquid was visible in the balloon.No visible damage was observed from catheter body.The device history record was not performed as no lot number was provided.Based on the available information there is no evidence that supports or confirms the failure mode is associated to a manufacturing or design defect as no defect was found.Complaint histories for all reported events are reviewed against trending control limits on a monthly basis and any excursions above the control limits are assessed and documented as a part of the monthly review.
|