Fig. 2
From: An intelligent hospital operating room to improve patient health care
Installation of the smart OR system. Central computer where the data is collected from the sensors via 4G server (top right). IR sensor is also placed on the computer. Other images show the sensors installed in the OR. A camera in a 3D printed box (bottom right) is placed on the top of the ventilator bellows. Finally, two parallel pressure sensors protected by a plastic mattress placed at the doorstep (left)