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    • 1. 发明申请
    • System and Method for Combined ECG-Echo for Cardiac Diagnosis
    • 用于心脏诊断的组合ECG回波的系统和方法
    • US20100168578A1
    • 2010-07-01
    • US12664146
    • 2008-06-12
    • Arthur Garson, JR.William F. WalkerJohn A. HossackTravis N. Blalock
    • Arthur Garson, JR.William F. WalkerJohn A. HossackTravis N. Blalock
    • A61B8/14A61B5/0402
    • A61B8/0858A61B8/0883A61B8/483
    • A system and related method for obtaining volumetric cardiac data of a subject. The data is generated by forming a plurality of focused ultrasound images corresponding to a series of ranges, generating myocardial boundary data for each of the plurality of ultrasound images, calculating the area of the region defined by said myocardial boundary data for each of the plurality of ultrasound images, multiplying the area for each of the plurality of ultrasound images by a slice depth corresponding to said ultrasound image to obtain the slice volume of each slice, and summing the slice volumes to obtain a total volume. In an alternative embodiment the system and related method combine an automated volumetric ultrasound system for finding chamber volumes and myocardial thicknesses, with a diagnostic electrocardiogram system to enable simultaneous diagnosis of mechanical and electrical cardiac problems.
    • 用于获得受试者体积心脏数据的系统和相关方法。 通过形成对应于一系列范围的多个聚焦超声图像来生成数据,为多个超声图像中的每一个生成心肌边界数据,计算由多个超声图像中的每一个的所述心肌边界数据定义的区域的面积 超声图像,将所述多个超声图像中的每一个的面积乘以对应于所述超声图像的切片深度,以获得每个切片的切片体积,并且对切片体积求和以获得总体积。 在替代实施例中,系统和相关方法结合了用于发现腔室体积和心肌厚度的自动化体积超声系统与诊断心电图系统,以实现机电和电心脏问题的同时诊断。
    • 2. 发明申请
    • FRONT END CIRCUITRY FOR IMAGING SYSTEMS AND METHODS OF USE
    • 成像系统的前端电路及其使用方法
    • US20100063399A1
    • 2010-03-11
    • US12543452
    • 2009-08-18
    • William F. WalkerMichael I FullerKarthik RanganathanJohn A. HossackTravis N. Blalock
    • William F. WalkerMichael I FullerKarthik RanganathanJohn A. HossackTravis N. Blalock
    • A61B8/00G01N29/36G06K9/00
    • G01N29/0654A61B8/00A61B8/4483G01N2291/02475G01S7/52026G01S7/52046G01S7/52079G01S15/8959
    • Pulse-echo imaging systems and methods are provided, including a transmit code sequencer and a pulse generation circuit, The transmit code sequencer is configured to input a transmit code sequence to the pulse generation circuit. A transducer is configured to receive electrical signals provided as pulses using coded excitation according to the transmit code sequence, and to transduce the electrical signals to pulses of energy other than electrical signals. The transducer is further configured to receive echoes of the pulses of energy other than electrical signals and convert the echoes to received electrical signals generate using coded excitation. A receive circuit is configured to receive the received electrical signals generate using coded excitation, perform analog sampling of the received electrical signals generate using coded excitation, and provide a weighted, summed digital signal by processing the analog samples. At least one example of a pulse imaging system described is configured for ultrasonic pulse-echoes. At least one example of a pulse imaging system described is a medical diagnostic imaging system.
    • 提供脉冲回波成像系统和方法,包括发射码序列器和脉冲发生电路。发送码序列器被配置为向脉冲发生电路输入发射码序列。 传感器被配置为接收根据发射码序列使用编码激励的脉冲提供的电信号,并将电信号转换成电信号以外的能量脉冲。 换能器还被配置为接收除电信号之外的能量脉冲的回波,并将回波转换成使用编码激励产生的接收电信号。 接收电路被配置为接收使用编码激励产生的接收电信号,对使用编码激励产生的接收电信号进行模拟采样,并通过处理模拟采样来提供加权的相加的数字信号。 所描述的脉冲成像系统的至少一个示例被配置用于超声脉冲回波。 所描述的脉冲成像系统的至少一个示例是医学诊断成像系统。
    • 3. 发明申请
    • Hybrid Dual Layer Diagnostic Ultrasound Transducer Array
    • 混合双层诊断超声波传感器阵列
    • US20090048519A1
    • 2009-02-19
    • US11840079
    • 2007-08-16
    • John A. HossackTravis N. BlalockWilliam F. Walker
    • John A. HossackTravis N. BlalockWilliam F. Walker
    • A61B8/00
    • B06B1/0629A61B8/4483A61B8/483G01S15/8913G01S15/8915G10K11/004
    • An ultrasound transducer array having a transmit transducer element comprising a transmit transducer material interposed between a transmit electrode and a reference electrode, wherein voltages applied across the transmit electrode and reference electrode induce an acoustic wave to emanate from the transmit transducer material; and a plurality of receive transducer elements positioned in an array on the transmit transducer element, each of the plurality of the receive transducer elements comprising a receive electrode and a receive transducer material interposed between the receive electrode and the reference electrode, and wherein acoustic waves applied to the plurality of receive transducer elements induces receive voltage signals on the receive electrodes with respect to the reference electrode.
    • 一种具有发射换能器元件的超声换能器阵列,其包括插入在发射电极和参考电极之间的发射换能器材料,其中施加在所述发射电极和参考电极两端的电压引起从所述发射换能器材料发出的声波; 以及多个接收换能器元件,其定位在所述发射换能器元件上的阵列中,所述多个所述接收换能器元件中的每一个包括插入在所述接收电极和所述参考电极之间的接收电极和接收换能器材料,并且其中施加声波 到多个接收换能器元件相对于参考电极在接收电极上感应出接收电压信号。
    • 10. 发明授权
    • Ultrasonic transducer drive
    • 超声波换能器驱动
    • US09244160B2
    • 2016-01-26
    • US11160914
    • 2005-07-14
    • Travis N. BlalockWilliam F. WalkerJohn A. Hossack
    • Travis N. BlalockWilliam F. WalkerJohn A. Hossack
    • A61B8/00G01S7/52
    • G01S7/52017A61B8/4427A61B8/4483G01S7/5208
    • In some illustrative embodiments, an ultrasonic transducer drive includes a signal generator for producing an outgoing signal and a transducer for converting the outgoing signal to outgoing ultrasound. The transducer may also convert at least a portion of ultrasound reflected by an object to an incoming signal. The transducer may have a transmit side connected conductably to the signal generator during at least a first predetermined period of time and a receive side connected conductably to a signal receiver during at least a second predetermined period of time. A shunt may be connectable between the receive side and a reference potential. The signal generator may generate the outgoing signal during at least substantially the first predetermined period of time while the shunt connects the receive side to the reference potential. The signal receiver may receive the incoming signal during substantially the second predetermined period of time while the shunt is substantially open.
    • 在一些说明性实施例中,超声换能器驱动器包括用于产生输出信号的信号发生器和用于将输出信号转换为输出超声的换能器。 换能器还可以将由物体反射的超声波的至少一部分转换为输入信号。 换能器可以具有在至少第一预定时间段内可传导地连接到信号发生器的发射侧,并且在至少第二预定时间段内可接收地连接到信号接收器的接收侧。 分流器可以在接收侧和参考电位之间连接。 信号发生器可以在至少基本上第一预定时间段期间产生输出信号,而分流器将接收侧连接到参考电位。 信号接收器可在基本上在分路基本上打开的基本上第二预定时段期间接收输入信号。