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apparatus for coupling a patient's acquired physiological signals into a physiological signal processing circuit on a patient monitor
apparatus for coupling a patient's acquired physiological signals into a physiological signal processing circuit on a patient monitor
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机译:用于将患者获取的生理信号耦合到患者监护仪上的生理信号处理电路中的设备
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摘要
When applying shielded ECG leads to a patient, during the presence of strong RF signals such as electrocautery, high currents may flow through the cable capacitance to the shield and from there back to the patient via another cable capacitance and electrode, thus causing skin burnings. Such high currents can be reduced dramatically when the shields of the lead cable are separated by means of connecting series resistances into the shield conductors. Implementing these resistors into a ECG trunk cable allows the usage of uniform lead cables for all applications.
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