The sterilization and maintenance of apparatus.
D006328:Cardiac Catheterization / Q000295:instrumentation; D004865:Equipment and Supplies, Hospital; D006355:Heart-Lung Machine; D007267:Injections; D012137:Respiratory System; D013242:Sterilization; D013594:Syringes; D012122:Ventilators, Mechanical / Q000295:instrumentation