Dual delivery needle wash system

A method of performing a wash cycle on a needle assembly comprising a first needle and a second needle, the method comprising the steps of:

• introducing the needle assembly to a wash tower having an elongate body defining an opening in a top surface thereof and a passageway extending downwardly therefrom, wherein at least a portion of the needle assembly is inserted into the passageway;
• applying a vacuum to an internal space defined by the needle assembly;
• and
• introducing a wash solution via a pumping system to the wash tower, wherein the wash solution is directed to a first port disposed proximate the top surface of the wash tower and a second port disposed proximate a bottom surface of the wash tower.