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    • 57. 发明申请
    • WIRELESS REAL-TIME ELECTROCARDIOGRAM AND MEDICAL IMAGE INTEGRATION
    • 无线实时电子邮件和医学图像整合
    • US20140128735A1
    • 2014-05-08
    • US13836755
    • 2013-03-15
    • Todd NewellEric Brinster
    • Todd NewellEric Brinster
    • A61B8/08A61B8/00A61B5/0456A61B5/00A61B5/04A61B8/14A61B5/044
    • A61B8/5284A61B5/0006A61B5/04012A61B5/044A61B5/0456A61B5/7289A61B5/743A61B8/0883A61B8/463A61B8/543A61B8/56A61B8/565
    • A medical data acquisition and display system utilizing separate data signals to transmit both high-resolution data and low-latency synchronization data acquired from patient sensors utilizing different wireless protocols. The low-latency stream of data transmitted over a radio frequency transmission as a timing-pulse in real-time. This high-resolution data includes detailed sensor readings from the patient and also includes digital markers (i.e., the timing-pulse) identifying the temporal location of the high-resolution data relative to imaging data that is simultaneously acquired from a patient. The high-resolution data can be electrocardiogram (ECG) data. The timing pulse can be based on the physiological QRS complex within the ECG data. The imaging data can be echocardiogram imagery of a heart that generated the ECG data. The echocardiogram imagery and the high-resolution ECG data are presented simultaneously by aligning the transmitted digital markers with the physiological QRS complex within the ECG data.
    • 医疗数据采集和显示系统利用单独的数据信号传输利用不同无线协议从患者传感器获取的高分辨率数据和低延迟同步数据。 通过无线电频率传输的低延迟数据流作为定时脉冲实时传输。 该高分辨率数据包括来自患者的详细的传感器读数,并且还包括识别相对于从患者同时获取的成像数据的高分辨率数据的时间位置的数字标记(即定时脉冲)。 高分辨率数据可以是心电图(ECG)数据。 定时脉冲可以基于ECG数据内的生理QRS复合物。 成像数据可以是产生ECG数据的心脏的超声心动图。 通过将发射的数字标记与ECG数据内的生理QRS复合物对准,同时呈现超声心动图图像和高分辨率ECG数据。
    • 60. 发明授权
    • Multistage method and system for estimating respiration parameters from acoustic signal
    • 用于从声信号估计呼吸参数的多级方法和系统
    • US08663124B2
    • 2014-03-04
    • US13065815
    • 2011-03-30
    • Yongji FuYungkai Kyle LaiBryan Severt Hallberg
    • Yongji FuYungkai Kyle LaiBryan Severt Hallberg
    • A61B5/08
    • A61B5/08A61B5/721A61B5/7289A61B7/003
    • A multistage system and method for estimating respiration parameters from an acoustic signal. At a first stage, the method and system detect and isolate portions of the signal that exhibit long-term, moderate amplitude noise by analyzing cumulative energies in the signal, and portions of the signal that exhibit short-term, high amplitude noise by analyzing peak energies in the signal. At a second stage, the method and system filter heart sound from the signal energy envelope by applying an adaptive filter that minimizes the loss of respiration sound. At a third stage, the system and method isolate respiration phases in the signal by identifying trends in the energy envelope. Once respiration phases are isolated, these phases are used to estimate respiration parameters, such as respiration rate and I/E ratio.
    • 一种用于从声信号估计呼吸参数的多级系统和方法。 在第一阶段,该方法和系统通过分析信号中的累积能量以及通过分析峰值表现出短期,高振幅噪声的信号部分来检测和隔离显示长期,中等幅度噪声的信号部分 信号中的能量。 在第二阶段,该方法和系统通过应用最小化呼吸声音损失的自适应滤波器来从信号能量包络滤波心音。 在第三阶段,系统和方法通过识别能量包络中的趋势来隔离信号中的呼吸阶段。 一旦呼吸阶段被隔离,这些阶段用于估计呼吸参数,如呼吸速率和I / E比。