Medical devices for treating respiratory conditions; Medical devices for use in opening respiratory airways for patients; Medical devices for respiratory support in anesthesia and critical care, namely, endotracheal tubes, and supraglottic airway devices; Laryngoscope blades; Catheter mounts; Respiratory masks for medical purposes; Anesthetic reservoir bags, namely, expandable bags for medical use in which gas accumulates, forming a reserve supply of gas for use during manual control of ventilation and serving as a visible monitor of respiratory rate and depth; Anesthetic breathing systems composed primarily of tubing, valves and connectors for use with anesthesia apparatus; Patient breathing systems composed primarily of tubing, valves and connectors for use with respiratory apparatus; Medical devices, namely, tubing and valve assemblies for use with respiratory apparatus; Medical ventilator tubing and tubing connectors; Air filters for medical ventilators; Breathing apparatus for patients, namely, soda lime cartridges for use in removing carbon dioxide from closed breathing environments; Medical leads, namely, airway generators for producing positive airway pressure; Dental instruments for use in cleaning excess liquid from the mouth during medical procedures; Medical ventilator tubing supports; Water traps for separating liquid and bacterial or viral components from a gas sample withdrawn from a breathing gas of a patient before conducting the gas sample to a medical gas analyzer; Medical mouthpieces for connecting to patient breathing system; Nose clips for medical use with patient breathing systems; Oxygen inhalers for medical purposes sold empty; Oxygen masks for medical use; Aerosol masks for medical use; Medical ventilator tubing connectors, namely, elbows and adaptors for medical respiratory masks; Medical apparatus, namely, continuous positive airway pressure (CPAP) devices; Nebulizers for respiration therapy; Cannulae; Catheters; Filters for medical purposes, namely, breathing filters; Humidification apparatus for medical purposes