Iseti ye-Intravenous Infusion (iseti ye-IV) yeyona ndlela ikhawulezayo yokufaka iyeza okanye ukubuyisela ulwelo emzimbeni wonke ukusuka kwiingxowa ze-IV zeglasi okanye iibhotile. Ayisetyenziselwa igazi okanye iimveliso ezinxulumene negazi. I-Infusion iseti nge-air-vent isetyenziselwa ukutofela ulwelo lwe-IV ngokuthe ngqo kwimithambo.