MedOne coaxial Dual Bore cannulas allow injection of a fluid, such as perfluorocarbon or staining dye while simultaneously allowing pressure release via passive egress of fluid through the vent hole in the outer lumen. MedOne utilizes an extremely thin-walled inner cannula for an excellent flow rate, even for 27g cases. MedOne’s filled hub design decreases air bubbles during PFCL injection so you can complete the case without interruption. Optimized for injection of PFCL, staining dyes, or other liquids in small-gauge vitrectomy surgery.