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    • 41. 发明申请
    • IMPLANTABLE MEDICAL DEVICE LEAD CONNECTION ASSEMBLY
    • 可植入医疗设备引线连接组件
    • US20100114210A1
    • 2010-05-06
    • US12363375
    • 2009-01-30
    • William T. DonofrioJohn E. BurnesPaul G. Krause
    • William T. DonofrioJohn E. BurnesPaul G. Krause
    • A61N1/375A61N1/39
    • A61N1/3752H01R13/5224H01R24/58H01R2107/00H01R2201/12Y10S439/909
    • A lead connection assembly of an implantable medical device (IMD) may include at least two different types of electrical connectors. In some examples, the lead connection assembly may include first and second electrical connectors that have at least one of a different electrical contact arrangement, a different lead connection receptacle geometry or a different size than the first electrical connector. The first electrical connector may be electrically connected to a first therapy module that generates cardiac rhythm therapy that is delivered to a heart of a patient, and the second electrical connector may be electrically connected to a second therapy module that generates electrical stimulation that is delivered to a tissue site within the patient. The second electrical connector may be configured to be incompatible with a lead that delivers the cardiac rhythm therapy to the patient.
    • 可植入医疗装置(IMD)的引线连接组件可以包括至少两种不同类型的电连接器。 在一些示例中,引线连接组件可以包括具有与第一电连接器不同的电接触布置,不同引线连接插座几何形状或不同尺寸中的至少一个的第一和第二电连接器。 第一电连接器可以电连接到第一治疗模块,该第一治疗模块产生被递送到患者的心脏的心律疗法,并且第二电连接器可以电连接到产生电刺激的第二治疗模块,该电刺激被递送到 患者内的组织部位。 第二电连接器可以被配置为与将心律治疗递送给患者的引线不相容。
    • 42. 发明申请
    • DETECTING AND TREATING ELECTROMECHANICAL DISSOCIATION OF THE HEART
    • 检测和治疗心脏的机械分离
    • US20100198284A1
    • 2010-08-05
    • US12697019
    • 2010-01-29
    • Xiaohong ZhouPaul G. KrauseWilliam T. Donofrio
    • Xiaohong ZhouPaul G. KrauseWilliam T. Donofrio
    • A61N1/365A61N1/39
    • A61N1/3627A61N1/0551A61N1/36114A61N1/36557A61N1/36564A61N1/3962
    • In some examples, an electromechanical disassociation state (EMD) of a heart of a patient can be treated by delivering electrical stimulation to a tissue site to at least one of modulate afferent nerve activity or inhibit efferent nerve activity upon determining that the heart is in an electromechanical dissociation state, where the tissue site comprises at least one of a nonmyocardial tissue site or a nonvascular cardiac tissue site. The delivery of electrical stimulation may effectively treat the EMD state of the heart, e.g., by enabling effective mechanical contraction of the heart. In another example, an electromechanical disassociation state of a heart of a patient can be treated by determining autonomic nervous system activity associated with a detected EMD state of the heart of a patient, and delivering electrical stimulation therapy to the patient based on the determined autonomic nervous system activity of the patient associated with the EMD state.
    • 在一些示例中,可以通过将电刺激递送至组织部位至少调整传入神经活动或抑制传出神经活动的至少一种来治疗患者心脏的机电解离状态(EMD),确定心脏处于 机电解离状态,其中组织部位包含非心肌组织部位或非血管心脏组织部位中的至少一个。 电刺激的递送可以有效地治疗心脏的EMD状态,例如通过使心脏有效的机械收缩。 在另一个示例中,可以通过确定与患者的心脏的检测到的EMD状态相关联的自主神经系统活动来治疗患者的心脏的机电解离状态,并且基于确定的自主神经向患者输送电刺激疗法 与EMD状态相关的患者的系统活动。
    • 44. 发明授权
    • Shunt-current reduction housing for an implantable therapy system
    • 用于植入式治疗系统的分流电流还原壳体
    • US08473057B2
    • 2013-06-25
    • US12609901
    • 2009-10-30
    • William T. DonofrioWilliam J. HavelChris C. ChristiansenPaul G. Krause
    • William T. DonofrioWilliam J. HavelChris C. ChristiansenPaul G. Krause
    • A61N1/375
    • A61N1/375A61N1/08A61N1/36114A61N1/37A61N1/3718A61N1/37211A61N1/37288A61N1/3925A61N1/3962
    • Techniques for minimizing interference between first and second medical devices of a therapy system may include providing an outer housing for at least one of the medical devices that comprises an electrically insulative layer formed over at least the electrically conductive portions (e.g., an electrically conductive layer) of the housing, or providing an electrically insulative pouch around an electrically conductive housing of at least the first medical device. The electrically insulative layer or electrically insulative pouch may reduce or even eliminate shunt-current that flows into the medical device via the housing. The shunt-current may be generated by the delivery of electrical stimulation by the second medical device. In some examples, the techniques may also include shunt-current mitigation circuitry that helps minimize or even eliminate shunt-current that feeds into the first medical device via one or more electrodes electrically connected to the first medical device.
    • 用于最小化治疗系统的第一和第二医疗装置之间的干扰的技术可以包括提供用于至少一个医疗装置的外壳,其包括在至少导电部分(例如,导电层)上形成的电绝缘层, 或者提供围绕至少第一医疗装置的导电外壳的电绝缘袋。 电绝缘层或电绝缘袋可以减少甚至消除通过外壳流入医疗装置的分流电流。 分流电流可以通过第二医疗装置的电刺激的传递来产生。 在一些示例中,所述技术还可以包括分流电流缓解电路,其帮助最小化或甚至消除通过电连接到第一医疗设备的一个或多个电极馈入第一医疗设备的分流电流。
    • 48. 发明授权
    • Ultrasonic surgical system within digital control
    • 超声波外科系统数字控制
    • US07476233B1
    • 2009-01-13
    • US09693621
    • 2000-10-20
    • Eitan T. WienerWilliam T. Donofrio
    • Eitan T. WienerWilliam T. Donofrio
    • H03L7/10
    • A61B17/320068A61B2017/00026A61B2017/00725B06B1/0253B06B2201/76
    • An ultrasonic surgical system utilizes a digital control system to generate ultrasonic drive current for transducers that are located in a hand piece and are attached to a surgical scalpel or blade so as to vibrate the blade in response to the current. The digital control includes a digital signal processor (DSP) or microprocessor; a direct digital synthesis (DDS) device; a phase detection logic scheme, a control algorithm for seeking and maintaining resonance frequency; and design scheme that allows to regulate current, voltage, and power delivered to an ultrasonic device. The system allows the power versus load output curve to be tailored to a specific hand piece; the components of the digital system are much less sensitive to temperature variations; and the digital system provides increased flexibility in locating the resonance frequency of the blade and running diagnostic tests.
    • 超声外科系统利用数字控制系统为位于手持件中的换能器产生超声波驱动电流,并附接到外科手术刀或刀片,以便响应于电流使叶片振动。 数字控制包括数字信号处理器(DSP)或微处理器; 直接数字合成(DDS)设备; 相位检测逻辑方案,用于寻找和维持共振频率的控制算法; 以及允许调节传递到超声波装置的电流,电压和功率的设计方案。 该系统允许功率与负载输出曲线适合于特定的手部件; 数字系统的组件对温度变化不太敏感; 数字系统在确定叶片的共振频率和运行诊断测试方面提供了更大的灵活性。