Pneumatic surgical instrument detection system
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United States of America Patent
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Mar 26, 2013
Grant Date -
Jul 5, 2012
app pub date -
Dec 29, 2010
filing date -
Dec 29, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
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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