Novartis AG
Ophthalmic surgical system with infusion fluid and substance delivery through an infusion cannula

Abstract:

In some embodiments, an ophthalmic cassette valve may be configured to control flow of an infusion fluid and an ophthalmic substance (e.g., ophthalmic drug, a retina patch material, or an ophthalmic dye) to an infusion cannula. The valve may be configured to provide an alternating or mixed flow of the infusion fluid and the ophthalmic substance to the infusion cannula. In some embodiments, the cassette may include multiple substance chambers with different substances. The cassette may also include a one or more valves to control the flow to the infusion fluid (e.g., on/off for each of the substances and infusion fluid and/or a ratio of the substances and infusion fluid).