The user facility reported to terumo cardiovascular that prior to cardiopulmonary bypass, during priming, they noticed bubble formation.
After setting up the hlm, an atypical development of bubbles was detected during priming of the system.
This was manifested by a constant rise of bubbles in the reservoir filter of the venous line at a flow of approx.
3 liters.
No open connectors or other visible leaks in the venous supply tubing system.
As soon as the pump stopped, the venous line filled with air, which ascended from the venous drainpipe filter installed in the reservoir filter.
No known impact or consequence to patient.
Product was changed out.
Procedure was completed successfully.
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