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APPARATUS FOR SIMULTANEOUS AND INTERFERENCE-FREE PERFORMANCE OF ELECTROCARDIOGRAPHY MONITORING AND ELECTRICAL TRANSCUTANE NERVESTIMULATION FOR PAIN CONTROL
APPARATUS FOR SIMULTANEOUS AND INTERFERENCE-FREE PERFORMANCE OF ELECTROCARDIOGRAPHY MONITORING AND ELECTRICAL TRANSCUTANE NERVESTIMULATION FOR PAIN CONTROL
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机译:用于疼痛控制的心电图监测和反式电子过环烷的同时无干扰性能监测装置
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摘要
Transcutaneous electrical nerve stimulation is applied to the patient, as though electrocardiograph monitoring is not being practiced. The EKG signals are preprocessed through a selective sample and hold module, which performs amplification, comparison with selective frequency and amplitude standards (as by differentiation) and temporary holding of EKG signals at such time as the transcutaneous nerve stimulating pulses are occurring, as sensed against the frequency and amplitude criteria. In the absence of transcutaneous stimulation signals, EKG signals are coupled directly through for conventional EKG processing.
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