Variable pneumatic output means for use with ophthalmic micro-surgical instruments

摘要: A variable pneumatic output device for use with ophthmalic micro-surgical instruments including a reversible servo motor which operates in response to instructions from an electronic control circuit. The rotatable drive shaft of the is operatively connected adjustable level precision pressure regulator between fully open and closed level. pressurized air source pneumatically driven instrument according circuitry, motor, through connecting regulator, adjusts surgical instrument.