"the customer started to use the devise without rinsing.Right after, the pressure of the hemoconcentrator increased.(more than 400mmhg).Checked around the pump, and then restarted the device, but the pressure didn't drop and remained high.The customer changed the circuit, then the devise was no problem to use.After that, the extracorporeal circulation was finished without any trouble.- act approx.400 seconds.- hct 24%.- no drug/medicine applied.No adverse effects on the patient.The user has always been using the devise without rinsing, but the pressure increased only this time.(b)(4).
|
(b)(4).Maquet cardiopulmonary forwarded the product to (b)(4) for laboratory investigation as it has been manufactured by (b)(4).A device history record was performed by gambro.Thereby no issues were found for this lot number and no further complaints were reported for this lot number.Furthermore the product was investigated by the technical support of (b)(4).A performance test according (b)(4) product master was done and all tested parameters are well within the range.The returned product showed no deviation from specified (b)(4) values.Stated from (b)(4) a specific root cause for this reported failure could not be identified.There is no information available reasonably indicating a general lot issue.Based on the reported event and the investigation of maquet the included product was used beyond the
usage described in our labeling and cleared intended use.The instructions for use (ifu)art.# 70105.2164,
common device name: ifu: bc 20/60/140 plus g-153,
chapter 4: information and precautions, clearly state the following:
"prime and de-air the hemoconcentrator before use."
based on the available information and the investigation results obtained the reported failure could not be confirmed.The cause of this failure was determined to not be attributed to a device
related malfunction.The data is also being handled through a designated maquet cardiopulmonary trending and applicable investigation process.Due to this no further investigation initiations will be completed at this time.
|