Bausch-lomb Incorporated

Allen W Skinner

James Taylor Perkins

David Hertweck

A system detects whether a pneumatic surgical instrument is attached to a surgical system. A drive valve has an input for connection to a source of pressurized air, an output for connection to the surgical instrument, and an exhaust for exhausting pressurized air during operation of the surgical instrument. A pressure transducer in communication with the exhaust senses a pressure profile of air flow from the exhaust. A first sensed pressure profile indicates that the surgical instrument is connected to the output and a second sensed pressure profile indicates that the surgical instrument is not connected to the output. A detection circuit connected to an output of the pressure transducer detects whether the surgical instrument is attached to the surgical system based on the sensed pressure profile.

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Chesterfield, MO, United States of America

Allen W Skinner