| 摘要 |
A device for monitoring a patient's vital functions and movements, which device comprises a piezoelectric sensor 1 and an observation and/or recording device 2, a band- pass filter 3 for respiration rate, which filter is designed to filter a frequency band of 0.1-0.3 Hz from the signals emitted by the sensor 1 to the recording device 2, and a band-pass filter 5 for ballistocardiography (BCG), which filter is designed to filter a frequency band of 10-30 Hz from the signals emitted by the sensor. <IMAGE>
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