Air filters for medical ventilators; Apparatus for artificial respiration; Catheters and parts and fittings therefor; Elastic compression bandages for medical purposes; Gloves for medical purposes; Hemostatic suture instruments; Medical apparatus, namely, invasive and non-invasive ventilation apparatus and instruments; Medical devices for closing wounds; Patient breathing system comprising a breathing circuit, connections to patient, ventilator, scavenger, fresh gas delivery circuit and carbon dioxide absorber; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises and for respiratory muscle training; Respiratory masks for artificial respiration; Respiratory masks for medical purposes; Therapeutic facial masks; Vascular hemostasis devices for closing wounds