A medical flowmeter is a fundamental device in modern hospital gas delivery systems, designed to regulate the flow of medical oxygen or compressed air to patients across multiple clinical environments. These devices are essential for ensuring consistent and measurable gas delivery in intensive care units, emergency rooms, operating theaters, and long-term home treatment setups. A properly calibrated medical flowmeter helps healthcare providers control gas concentrations precisely, avoiding both underdelivery and overdose, which is crucial for effective respiratory care. Flowmeters are integrated into oxygen panels, wall-mounted supply units, or portable trolleys and work in conjunction with ventilators, anesthesia machines, and oxygen concentrators. High-quality medical flowmeters comply with international calibration standards and are optimized for safety, pressure regulation, and continuous operation in dynamic hospital conditions. Because oxygen therapy is one of the most common treatments administered worldwide, medical flowmeters play a central role in the management of clinical gas infrastructure and remain vital to patient survival in critical scenarios.