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. 2022 Sep 21;9:944287. doi: 10.3389/fcvm.2022.944287

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Copyright © 2022 Huang, Chen, Hu, Luo, Hu, Duan, Wang, Ye and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The main pipelines for cannulation and functional consumables connection in the LHB circuit. (A) The pipelines for cannulation, all diameters of the circuits are 3/8 inch, CP1 is the cut-point for connection of the cannulation of the inferior left pulmonary vein and the aortic cannulation. (B) The functional consumables connection pipelines of the LHB circuit. CP2 is the cut-point for the connection of a hard-shell reservoir, CP3 is the cut-point for a centrifugal pump, and CP4 for the heat exchanger. Line F can be occluded by a roller pump rather than a centrifugal pump in CP3. The port E and port E’ are a pair for an ultrafilter. Port I with a side hole is connected with a T-type adapter, which can be connected to a pressure monitor, and an arterial sampling connector. Both the port T1 in panel (A) and the port T1’ in panel (B) are connected with an oxygen saturation monitor or a connector. The port T2 in panel (A) and the port T2’ in panel (B) were connected with a Y-type connector (φ3/8” x3/8” x1/4”), and the 1/4-inch port of the connector is linked to the line for the selective visceral perfusion.