This paper proposes a simplified structure of microcontroller based mechanical ventilator integrated with a Bag-Valve-Musk (BVM) ventilation mechanism. Here, an Ambu bag is operated with computer-aided manufacturing (CAM) arm that is commanded via a microcontroller and manual switches by sending a control signal to the mechanical system and according to this control signal, the mechanical computer-aided manufacturing (CAM) arm simultaneously compresses and decompresses the Ambu bag. It is a selfinflating bag and like a one-way valve around its inlet and outlet corner. By compressing the Ambu bag it delivers air and by relaxing, it takes air from the environment through a mechanical scavenger. The control signals are designed with three modes named adult mode, pediatric mode, and child mode based on the respiratory rate. The device is in assist controlled mode by dint of fixing the tidal volume for all unique control signals. The control signal is visualized by a platform known as the BIOPAC student's lab system. The proposed device is portable, compact, low weight, and efficient performable. It can be supplied around the rural area hospitals for immediate medication with cost efficiency and risk avoidance. Anyone can operate it as no need to study or training of ventilation rules like ICU ventilator. The proposed system is safe, riskless, and repairable. The angle, volume, and respiratory measurement have found 95%, 92%, and 90% accuracy respectively. By applying this portable ventilator system immediate attention can be taken up in rural or general hospitals and in ambulances.
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