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    • 5. 发明申请
    • Multiple electrode vectors for implantable cardiac treatment devices
    • 用于可植入心脏治疗装置的多个电极载体
    • US20050049644A1
    • 2005-03-03
    • US10901258
    • 2004-07-27
    • Jay WarrenGust Bardy
    • Jay WarrenGust Bardy
    • A61B5/024A61B5/0402A61B5/042A61B5/0424A61B5/0428A61B5/07A61N1/362A61N1/368A61N1/39
    • A61B5/0424A61B5/0402A61B5/042A61B5/04288A61B5/076A61B5/7207A61N1/3622A61N1/3925
    • The implantable cardiac treatment system of the present invention is capable of choosing the most appropriate electrode vector to sense within a particular patient. In certain embodiments, the implantable cardiac treatment system determines the most appropriate electrode vector for continuous sensing based on which electrode vector results in the greatest signal amplitude, or some other useful metric such as signal-to-noise ratio (SNR). The electrode vector possessing the highest quality as measured using the metric is then set as the default electrode vector for sensing. Additionally, in certain embodiments of the present invention, a next alternative electrode vector is selected based on being generally orthogonal to the default electrode vector. In yet other embodiments of the present invention, the next alternative electrode vector is selected based on possessing the next highest quality metric after the default electrode vector. In some embodiments, if analysis of the default vector is ambiguous, the next alternative electrode vector is analyzed to reduce ambiguity.
    • 本发明的可植入心脏治疗系统能够选择最合适的电极载体以在特定患者体内感测。 在某些实施例中,可植入心脏治疗系统基于哪个电极向量导致最大的信号幅度或诸如信噪比(SNR)的一些其他有用的度量来确定用于连续感测的最合适的电极向量。 使用度量测量的具有最高质量的电极矢量然后被设置为用于感测的默认电极矢量。 另外,在本发明的某些实施例中,基于大致正交于默认电极向量来选择下一个备选电极矢量。 在本发明的其它实施例中,基于在默认电极向量之后拥有下一个最高质量度量来选择下一个备选电极矢量。 在一些实施例中,如果默认矢量的分析是不明确的,则分析下一个替代电极矢量以减少模糊度。
    • 6. 发明授权
    • Pacemaker with conditional atrial tracking capability
    • 起搏器具有条件性心房跟踪能力
    • US4624260A
    • 1986-11-25
    • US731581
    • 1985-05-07
    • Ross G. Baker, Jr.Richard V. CalfeeRichard S. SandersJoe VandegriffJay Warren
    • Ross G. Baker, Jr.Richard V. CalfeeRichard S. SandersJoe VandegriffJay Warren
    • A61N1/365A61N1/362A61N1/372A61N1/36
    • A61N1/3622
    • An implantable microprocessor-controlled dual chamber heart pacemaker is programmed to control the timing of the pacing of the ventricle in response to high rate atrial signals. The microprocessor operates in conjunction with an atrial timer to detect atrial signals which occur at a rate in excess of a predefined atrial rate limit. The microprocessor paces the ventricle at a predefined desirable demand rate and inhibits pacing of the atrium in response to the high rate atrial activity. The microprocessor also controls the timing of an atrial refractory interval which includes an absolute refractory portion during which atrial signals are not detected and a relative refractory portion during which atrial signals are detected but are not tracked. The combined absolute and relative atrial refractory portions insure that relatively high rate atrial signals are detected and spurious signals conducted from the ventricle are ignored.
    • 可编程微处理器控制的双室心脏起搏器被编程为响应于高速率心房信号来控制心室起搏的时机。 微处理器与心房定时器一起操作以检测以超过预定的心房率限制的速率发生的心房信号。 微处理器以预定的期望需求速度使心室步行,并且响应于高速率心房活动而抑制心房起搏。 微处理器还控制心房难治性时间间隔的时间,其包括不检测心房信号的绝对耐火部分和在其期间检测到但不被跟踪心房信号的相对耐火部分。 组合的绝对和相对的心房难治部分确保检测到相对较高的率的心房信号,并且忽略从心室传导的杂散信号。
    • 8. 发明申请
    • Method and apparatus for beat alignment and comparison
    • 拍子对准和比较的方法和装置
    • US20060116725A1
    • 2006-06-01
    • US10999274
    • 2004-11-29
    • Surekha PalreddyJay WarrenAlan Ostroff
    • Surekha PalreddyJay WarrenAlan Ostroff
    • A61N1/39
    • A61B5/04525A61B5/0464A61N1/3622A61N1/3956Y10S128/92
    • Methods of using a template having a template data set and template parameters to provide improved alignment of captured cardiac signal data to a stored template. More particularly, in an illustrative method, a captured cardiac signal is first configured using template parameters for a stored template. Then, once configured, the captured cardiac signal is then compared to the stored template. Other embodiments include implantable cardiac treatment devices including operational circuitry configured to perform the illustrative method. In a further embodiment, more than one stored templates may be used. Each template can have independently constructed templates, such that a single captured cardiac signal may be configured using first parameters for comparison to a first template, and using second parameters for comparison to a second template.
    • 使用具有模板数据集和模板参数的模板的方法来提供捕获的心脏信号数据与存储的模板的改进对准。 更具体地,在说明性方法中,首先使用用于存储的模板的模板参数来配置捕获的心脏信号。 然后,一旦配置,捕获的心脏信号然后与存储的模板进行比较。 其他实施例包括可植入心脏治疗装置,其包括被配置为执行说明性方法的操作电路。 在另一实施例中,可以使用多于一个的存储的模板。 每个模板可以具有独立构造的模板,使得可以使用用于与第一模板进行比较的第一参数以及使用用于与第二模板进行比较的第二参数来配置单个捕获的心脏信号。