This activity is supported by an educational grant from Abbott Medical Optics, Inc.
A venturi pump is vacuum based; it generates vacuum and pumps out air with a cassette. The phaco aspiration tubing is connected to a drainage cassette, and that is where the vacuum level is created. The venturi pump is able to create a preset vacuum level without occlusion of the phaco needle tip, and the outflow rate depends on the chosen vacuum level.
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