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    • 25. 发明申请
    • Removable applicator nozzle for ultrasound wound therapy device
    • 用于超声伤口治疗装置的可拆卸施用喷嘴
    • US20070016110A1
    • 2007-01-18
    • US11168620
    • 2005-06-27
    • Eilaz BabaevMichael PetersonAlan HoutenGreg Doten
    • Eilaz BabaevMichael PetersonAlan HoutenGreg Doten
    • A61H1/00
    • A61H23/0245A61B90/90A61B90/98A61B2090/0814A61H2201/105A61N7/00
    • A removable applicator nozzle for use in treating a wound is provided. The removable applicator nozzle includes a nozzle, a valve and a cup. The nozzle includes a proximal portion, a distal opening and a valve interface. The proximal portion of the nozzle is engagable with a portion of a transducer of an ultrasound wound therapy device. The distal opening of the nozzle allows at least a portion of a tip of the transducer to pass therethrough. The valve is engagable with the valve interface of the nozzle and the valve selectively allows fluid to flow therethrough. The cup includes an aperture and a puncturing device. The aperture is engagable with the valve and the puncturing device is able to puncture a bottle that is inserted on the cup. Fluid flows from the bottle, through the aperture and the valve and onto a tip of the transducer. The fluid is then moved to the distal opening of the nozzle by a vacuum effect.
    • 提供了一种用于治疗伤口的可拆卸施加喷嘴。 可拆卸的涂抹器喷嘴包括喷嘴,阀和杯。 喷嘴包括近端部分,远端开口和阀接口。 喷嘴的近端部分可与超声伤口治疗装置的换能器的一部分接合。 喷嘴的远端开口允许传感器的尖端的至少一部分通过。 该阀可与喷嘴的阀接口接合,并且阀选择性地允许流体流过其中。 杯子包括孔和穿刺装置。 该孔与阀接合,并且穿刺装置能够刺穿插入杯中的瓶子。 流体从瓶子流过孔和阀,并流到换能器的尖端。 然后通过真空效应将流体移动到喷嘴的远端开口。
    • 26. 发明授权
    • Digital spindle control architecture
    • 数字主轴控制架构
    • US07034478B2
    • 2006-04-25
    • US10955981
    • 2004-09-30
    • Jaydip BhaumikJason P. BrendenDames A. DahlbergMichael PetersonRoss Wilson
    • Jaydip BhaumikJason P. BrendenDames A. DahlbergMichael PetersonRoss Wilson
    • H02P6/18H02P6/14
    • H02P6/185
    • A three-phase spindle motor has three terminals each driven with pulse width modulated signals. Rotation of the motor is controlled by iteratively measuring an electrical period of the motor, determining a rotational position of the motor, and synchronizing the sinusoidal pulse width modulation of the spindle motor with the measured electrical period. The electrical period of the motor is measured by detecting zero crossings in the a back electromotive force induced at a first terminal of the motor and determining the time between successive zero crossings. The rotation position of the motor is determined based upon the last measured electrical period and a location of last detected zero crossing. The zero crossings are detected by selecting a time window during which the back electromotive force signal is sensed for zero crossings. The time window is selected as a function of the last measured electrical period and the rotational position of the motor.
    • 三相主轴电机具有三个端子,每个端子由脉宽调制信号驱动。 通过迭代地测量电动机的电周期,确定电动机的旋转位置,以及使主轴电动机的正弦脉宽调制与所测量的电周期同步来控制电动机的旋转。 通过检测在电动机的第一端子处感应的反电动势中的过零点并确定连续过零之间的时间来测量电动机的电周期。 电动机的旋转位置根据最后测量的电气周期和最后检测到的过零点的位置来确定。 通过选择时间窗来检测零交叉点,在该时间窗口期间感测到反电动势信号用于过零点。 根据最后测量的电气周期和电机的旋转位置来选择时间窗口。