Battery-powered hand-held ultrasonic surgical cautery cutting device
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United States of America Patent
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Oct 13, 2020
Grant Date -
Aug 11, 2016
app pub date -
Apr 18, 2016
filing date -
Dec 3, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A battery-powered, modular surgical device comprising an electrically powered surgical instrument that requires a pre-determined minimum amount of electrical energy to complete a surgical procedure, and a power module assembly that has a battery that powers the surgical instrument and has a current state of electrical charge, and a control circuit that is electrically coupled to the battery and the surgical instrument and has a memory and a microprocessor. The microprocessor determines the current state of electrical charge of the battery, compares the current state of electrical charge to the pre-determined minimum amount of electrical energy, permits the battery to discharge if the current state of electrical charge is above the pre-determined minimum amount of electrical energy, and maintains the battery in a non-discharge state if the current state of electrical charge is below the pre-determined minimum amount of electrical energy.
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