Picture of a Terumo CAPIOX FX-05 oxygenator with a neonatal/infant 3/16” arterial limb by ¼” venous limb circuit, modified with venous limb Y to allow for maximal secondary oxygenator flow (instead of standard venous line stopcock). For instructional purposes, the image depicts a secondary oxygenator replacing the hemoconcentrator for venous-assisted oxygenation (venous piggyback). Secondary oxygenator flow returns to top of CVR.