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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Schematic and real image of the in vitro draining knee reactor system. The system was placed onto a VSR-50 laboratory platform rocker at a frequency of 5 RPM. Ringers solution was pumped into and out of the reactor vessel at flow rates derived from post-operative surgical drainage rates.