US Patent 12070028 Organ perfusion apparatus with downstream flow control

An apparatus for perfusing an organ or tissue includes a perfusion circuit for perfusing the organ or tissue; a controller configured to control the apparatus; and a detector configured to detect an optional component of the apparatus, and provide a signal to the controller indicative of the presence of the optional component, wherein the controller is configured to control the perfusion circuit in a first mode when the optional component is detected and to control the perfusion circuit in a second mode when the optional component is not detected.