Fig. 1From: An electrochemical nitric oxide generator for in-home inhalation therapy in pulmonary artery hypertensionDesign, configuration, and schematic of a novel ENG model. A Appearance, size, and configuration of the ENG. B Detailed positioning of each unit inside the highly integrated NO generator. C Schematic diagram of the ENG that consists of 4 sequentially connected units and two work modes controlled by a switch valve. The NO generator was connected to the ventilator pipeline and supervised by the circuit boardBack to article page