• A motorized, variable-speed, reversible air (gas) injector was developed for vitreous surgery. Its advantages include elimination of pulsatile injection and technician control. The variable-speed feature allows hydraulic reattachment techniques and slow injection when near the retina.
Charles S, Wang C. A Motorized Gas Injector for Vitreous Surgery. Arch Ophthalmol. 1981;99(8):1398. doi:10.1001/archopht.1981.03930020272012