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    • 32. 发明专利
    • Control assembly for a powered surgical tool with an electric motor, the assembly including an isolated rotor position sensor
    • AU2016204090B2
    • 2018-02-01
    • AU2016204090
    • 2016-06-17
    • STRYKER CORP
    • TAGUE CHRIS MCHRISTOPHER PHILIPPMALACKOWSKI DON
    • A61B17/16A61B17/00A61B17/32H02K29/08H02P7/00
    • A control assembly for a motorized surgical tool that has a motor with a rotor and windings that actuates an attachment for performing a medical/surgical task, said control assembly comprising: a module formed from structural members, wherein at least one structural member is formed from non-magnetic material; a trigger sensor disposed in said module responsive to magnetic fields for monitoring a magnetic field emitted by a trigger switch to which a magnet is attached, wherein the sensed magnetic field varies as a function of the actuation of the trigger switch, said trigger sensor further configured to generate variable trigger signals as a function of the sensed magnetic field; a magnetically sensitive rotor position sensor assembly disposed in said module adjacent the at least one structural member formed from non magnetic material, said rotor position sensor assembly configured to monitor the rotational position of the motor rotor by monitoring the magnetic fields emitted by the rotor and output analog rotor position signals based on the rotational position of the motor rotor; and a control circuit disposed in said module configured to receive the trigger signals from said trigger sensor and the rotor position signals from said rotor position sensor assembly, said control circuit including: a signal processor that receives the analog rotor position signals and, based on the levels of the signals, converts the signals into plural bit digital signals representative of motor rotor position; and a motor control circuit to which the plural bit signals representative of motor rotor position are applied that, based on the rotor position and the trigger signals, selectively generates the signals that result in power signals being selectively applied to the motor windings. ce)
    • 33. 发明专利
    • Control assembly for a powered surgical tool with an electric motor, the assembly including an isolated rotor position sensor
    • AU2016204090A1
    • 2016-07-07
    • AU2016204090
    • 2016-06-17
    • STRYKER CORP
    • TAGUE CHRIS MCHRISTOPHER PHILIPPMALACKOWSKI DON
    • A61B17/16A61B17/00A61B17/32H02K29/08H02P7/00
    • A control assembly for a motorized surgical tool that has a motor with a rotor and windings that actuates an attachment for performing a medical/surgical task, said control assembly comprising: a module formed from structural members, wherein at least one structural member is formed from non-magnetic material; a trigger sensor disposed in said module responsive to magnetic fields for monitoring a magnetic field emitted by a trigger switch to which a magnet is attached, wherein the sensed magnetic field varies as a function of the actuation of the trigger switch, said trigger sensor further configured to generate variable trigger signals as a function of the sensed magnetic field; a magnetically sensitive rotor position sensor assembly disposed in said module adjacent the at least one structural member formed from non magnetic material, said rotor position sensor assembly configured to monitor the rotational position of the motor rotor by monitoring the magnetic fields emitted by the rotor and output analog rotor position signals based on the rotational position of the motor rotor; and a control circuit disposed in said module configured to receive the trigger signals from said trigger sensor and the rotor position signals from said rotor position sensor assembly, said control circuit including: a signal processor that receives the analog rotor position signals and, based on the levels of the signals, converts the signals into plural bit digital signals representative of motor rotor position; and a motor control circuit to which the plural bit signals representative of motor rotor position are applied that, based on the rotor position and the trigger signals, selectively generates the signals that result in power signals being selectively applied to the motor windings. ce)
    • 35. 发明专利
    • Battery charger
    • AU2012202583B2
    • 2015-04-09
    • AU2012202583
    • 2012-05-02
    • STRYKER CORP
    • HANSFORD BREYMALACKOWSKI DONSOLLANEK JEFF
    • H02J7/00
    • There is disclosed a battery charger, for recharging a rechargeable battery, said battery charging including: a current source for applying a charging current to the battery; a plurality of circuit components to which the battery is selectively connected as part of processes for performing state-of-health evaluations of the battery; and a processor for: regulating the charging of the battery by the current source; selectively connecting the battery to the circuit components to perform the battery state-of-health evaluations; and, based on the signals output by the components, determine the battery state-of- health, wherein the processor is further configured to: read from the battery data indicating if the battery was exposed to a harsh environment; if the data read from the battery indicates the battery was not exposed to a harsh environment, as part of the charging process, selectively connect the battery to circuit components so that a partial state-of-health evaluation is performed on the battery, the partial state-of-health evaluation including a test to consider the internal resistance of the battery; and if the data read from the battery indicates that the battery was exposed to a harsh environment, as part of the charging process, selectively connect the battery to circuit components so that a full state-of-health evaluation is performed on the battery, the full state of-health evaluation including the partial state-of-health evaluation and a further state-of health evaluation of the battery. c:' p 0