Surgical device with improved mains module
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United States of America Patent
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Feb 6, 2018
Issued Date -
N/A
app pub date -
Sep 30, 2014
filing date -
Sep 30, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical device having a step-up converter, a power supply unit and a control arrangement. The step-up converter converts a mains AC voltage to an intermediate circuit voltage and energizes a DC intermediate circuit. The power supply unit includes an inverter connected to the intermediate circuit. The power supply unit also includes a transformer that has a primary coil connected to the inverter and a secondary coil for energizing a load. The control arrangement includes a PFC control circuit connected in a controlling manner to the step-up converter. The control arrangement further includes an operation control circuit connected in a controlling manner to the power supply unit. The PFC control circuit and operation control circuit are connected to each other via a digital communication interface.
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