Bronchoscopes; Apparatus for blood analysis; Breath gas analyzers for medical diagnostics; Electric sputum aspirators; Electrochemical sensors for determination of analyte concentrations in fluids for medical purposes; Flow cytometers and flow-based analyzers providing cell and particle analysis, detection, or counting for medical, clinical, medical diagnostic, and therapeutic uses; Medical apparatus for the treatment of respiratory conditions; Medical apparatus, namely, lung ventilators with monitoring capability; Medical diagnostic apparatus for analyzing and measuring electrolytes in the body; Nebulizer for administering medication in the form of a mist inhaled into the lungs, for treatment of asthma and respiratory diseases; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises and for respiratory muscle training