Heart Monitoring Systems, Apparatus and Methods Adapted to Detect Myocardial Ischemia
    62.
    发明申请
    Heart Monitoring Systems, Apparatus and Methods Adapted to Detect Myocardial Ischemia 有权
    心脏监测系统,适用于检测心肌缺血的装置和方法

    公开(公告)号:US20080228094A1

    公开(公告)日:2008-09-18

    申请号:US11684794

    申请日:2007-03-12

    IPC分类号: A61B5/04

    摘要: Embodiments include heart monitoring systems, apparatus, and methods adapted to detect myocardial ischemia. An apparatus includes at least one first-tier sensor/analyzer adapted to sense a first input related to cardiac function, and to produce a first-tier trigger signal when the first input indicates myocardial ischemia. In an embodiment, a first-tier sensor/analyzer includes an ECG sensor/analyzer. In another embodiment, a first-tier sensor/analyzer includes a patient activator. An apparatus further includes at least one second-tier sensor/analyzer adapted to sense a second input related to cardiac function, and to produce a second-tier trigger signal when the second input indicates myocardial ischemia. In an embodiment, a second-tier sensor-analyzer includes a heart sound sensor/analyzer. A triggering element is adapted to produce a response-invoking signal in response to the first-tier trigger signal and the second-tier trigger signal. The response-invoking signal may invoke a patient alert, a message to an external system, and/or a cardiac stimulus.

    摘要翻译: 实施例包括适于检测心肌缺血的心脏监测系统,装置和方法。 一种装置包括适于感测与心脏功能相关的第一输入的至少一个第一层传感器/分析器,以及当第一输入指示心肌缺血时产生第一层触发信号。 在一个实施例中,第一层传感器/分析器包括ECG传感器/分析器。 在另一个实施例中,第一层传感器/分析器包括患者激活器。 装置还包括适于感测与心脏功能相关的第二输入的至少一个第二层传感器/分析器,并且当第二输入指示心肌缺血时产生第二层触发信号。 在一个实施例中,第二层传感器分析仪包括心音传感器/分析器。 触发元件适于响应于第一层触发信号和第二层触发信号产生响应调用信号。 响应调用信号可以调用患者警报,到外部系统的消息和/或心脏刺激。

    IMPLANTABLE TISSUE PERFUSION SENSING SYSTEM AND METHOD
    63.
    发明申请
    IMPLANTABLE TISSUE PERFUSION SENSING SYSTEM AND METHOD 有权
    可植入组织渗透感应系统及方法

    公开(公告)号:US20080208067A1

    公开(公告)日:2008-08-28

    申请号:US12039281

    申请日:2008-02-28

    IPC分类号: A61B5/02

    摘要: A medical device for sensing cardiac events that includes a plurality of electrodes sensing cardiac signals utilized to identify a cardiac event, a plurality of light sources capable of emitting light at a plurality of wavelengths, and a detector to detect the emitted light. A processor determines a plurality of light measurements in response to the emitted light detected by the detector, and generates a blood volume index in response to a light source of the plurality of light sources emitting light at an isobestic wavelength. The blood volume index is then utilized to verify the identifying of the cardiac event.

    摘要翻译: 一种用于感测心脏事件的医疗装置,其包括感测用于识别心脏事件的心脏信号的多个电极,能够发射多个波长的光的多个光源以及检测发射光的检测器。 处理器响应于由检测器检测到的发射光来确定多个光测量,并且响应于以异常波长发射光的多个光源的光源产生血液体积指数。 然后利用血容量指数来验证心脏事件的识别。

    IMPLANTABLE TISSUE PERFUSION SENSING SYSTEM AND METHOD
    64.
    发明申请
    IMPLANTABLE TISSUE PERFUSION SENSING SYSTEM AND METHOD 有权
    可植入组织渗透感应系统及方法

    公开(公告)号:US20080208020A1

    公开(公告)日:2008-08-28

    申请号:US12039263

    申请日:2008-02-28

    IPC分类号: A61B5/1455

    摘要: A medical device for sensing cardiac events that includes a plurality of light sources capable of emitting light at a plurality of wavelengths, and a detector to detect the emitted light. A processor determines a plurality of light measurements in response to the emitted light detected by the detector, updates, for each of the plurality of wavelengths, a first normalization coefficient and a second normalization coefficient in response to the detected emitted light, and adjusts the determined plurality of light measurements in response to the first normalization coefficient and the second normalization coefficient.

    摘要翻译: 一种用于感测心脏事件的医疗装置,其包括能够发射多个波长的光的多个光源,以及检测器,用于检测发射的光。 处理器响应于由检测器检测到的发射光来确定多个光测量,响应于检测到的发射光,针对多个波长中的每一个更新第一归一化系数和第二归一化系数,并且调整所确定的 响应于第一归一化系数和第二归一化系数的多个光测量。

    Apparatus and method for determining a plurality of hemodynamic
variables from a single, chroniclaly implanted absolute pressure sensor
    65.
    发明授权
    Apparatus and method for determining a plurality of hemodynamic variables from a single, chroniclaly implanted absolute pressure sensor 失效
    用于从单个,慢性植入的绝对压力传感器确定多个血液动力学变量的装置和方法

    公开(公告)号:US5368040A

    公开(公告)日:1994-11-29

    申请号:US100881

    申请日:1993-08-02

    申请人: James K. Carney

    发明人: James K. Carney

    摘要: A method and apparatus for monitoring and measuring the hemodynamic status of a patient's pulmonary pressure and right atrial pressure. The aforementioned is achieved by using an implanted absolute pressure sensor located in the right ventricle, coupled to an implantable monitoring device, which records pressure values in response to a combination of sensed electrical depolarizations of the atrium and ventricle and occurrence of first and second derivatives of the pressure signal having values less than zero.

    摘要翻译: 一种用于监测和测量患者的肺压和右心房压力的血液动力学状态的方法和装置。 上述是通过使用位于右心室中的植入式绝对压力传感器来实现的,该植入式绝对压力传感器耦合到可植入监测装置,其记录响应于感觉到的心房和心室的电去极化的组合的压力值,以及出现第一和第二导数 压力信号具有小于零的值。