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Low-Complexity System and Algorithm for an Emergency Ventilator Sensor and Alarm.
IEEE Transactions on Biomedical Circuits and Systems ( IF 5.1 ) Pub Date : 2020-09-01 , DOI: 10.1109/tbcas.2020.3020702 Ryan M. Corey , Evan M. Widloski , David Null , Brian Ricconi , Mark A. Johnson , Karen C. White , Jennifer R. Amos , Alexander Pagano , Michael L. Oelze , Rachel D. Switzky , Matthew B. Wheeler , Eliot B. Bethke , Clifford F. Shipley , Andrew C. Singer
IEEE Transactions on Biomedical Circuits and Systems ( IF 5.1 ) Pub Date : 2020-09-01 , DOI: 10.1109/tbcas.2020.3020702 Ryan M. Corey , Evan M. Widloski , David Null , Brian Ricconi , Mark A. Johnson , Karen C. White , Jennifer R. Amos , Alexander Pagano , Michael L. Oelze , Rachel D. Switzky , Matthew B. Wheeler , Eliot B. Bethke , Clifford F. Shipley , Andrew C. Singer
In response to anticipated shortages of ventilators caused by the COVID-19 pandemic, many organizations have designed low-cost emergency ventilators. Many of these devices are pressure-cycled pneumatic ventilators, which are easy to produce but often do not include the sensing or alarm features found on commercial ventilators. This work reports a low-cost, easy-to-produce electronic sensor and alarm system for pressure-cycled ventilators that estimates clinically useful metrics such as pressure and respiratory rate and sounds an alarm when the ventilator malfunctions. A low-complexity signal processing algorithm uses a pair of nonlinear recursive envelope trackers to monitor the signal from an electronic pressure sensor connected to the patient airway. The algorithm, inspired by those used in hearing aids, requires little memory and performs only a few calculations on each sample so that it can run on nearly any microcontroller.
中文翻译:
用于紧急呼吸机传感器和警报的低复杂度系统和算法。
为了应对 COVID-19 大流行导致的呼吸机预期短缺,许多组织设计了低成本的紧急呼吸机。这些设备中有许多是压力循环气动呼吸机,它们易于生产,但通常不包括商用呼吸机上的传感或警报功能。这项工作报告了一种用于压力循环呼吸机的低成本、易于生产的电子传感器和警报系统,该系统可估计临床有用的指标,例如压力和呼吸频率,并在呼吸机出现故障时发出警报。低复杂度的信号处理算法使用一对非线性递归包络跟踪器来监控来自连接到患者气道的电子压力传感器的信号。该算法的灵感来自助听器中使用的算法,
更新日期:2020-10-16
中文翻译:
用于紧急呼吸机传感器和警报的低复杂度系统和算法。
为了应对 COVID-19 大流行导致的呼吸机预期短缺,许多组织设计了低成本的紧急呼吸机。这些设备中有许多是压力循环气动呼吸机,它们易于生产,但通常不包括商用呼吸机上的传感或警报功能。这项工作报告了一种用于压力循环呼吸机的低成本、易于生产的电子传感器和警报系统,该系统可估计临床有用的指标,例如压力和呼吸频率,并在呼吸机出现故障时发出警报。低复杂度的信号处理算法使用一对非线性递归包络跟踪器来监控来自连接到患者气道的电子压力传感器的信号。该算法的灵感来自助听器中使用的算法,