Detection of intraocular surgical scissors

摘要

An apparatus and method for determining the motor type of an electric intraocular surgical handpiece. A circuit including a voltage divider, opto-isolators and amplifiers receives signals from the motor of the handpiece to determine its type. The circuit provides a signal, which can be visual or auditory, to the user concerning the motor type of the handpiece so that the user may choose the proper controls compatible with the motor type.