medical apparatus and instruments; [ gastro-intestinal tubes and catheters; disposable feeding tubes and catheters; disposable tubes and catheters for gastro-intestinal drainage; infusion; lavage and specimen collection; disposable tracheostomy tubes; airway respiratory tubes and catheters; disposable suction tubes and catheters; ] disposable endotracheal tubes and catheters (including anesthesia); [ disposable oxygen tubes and catheters; urinary tubes and catheters; disposable urethral tube and catheters (Nelaton catheter); ] disposable balloon tubes and catheters (Foley catheter) [ ; disposable irrigation tubes and catheters; disposable tubes and catheters for diagnostic examination; disposable ureteral tubes and catheters (including angiography); disposable drainage catheters for cerebrospinal; disposable hydrocephalic shunts; disposable catheters for peritoneal dialysis; disposable bile duct therapeutic catheters; disposable catheters for percutaneous transhepatic cholangial drainages; disposable fistula tubes and catheters; disposable arterio-venous shunts (external shunts); disposable tubes and catheters for continuous infusion or drainage (percutaneous indwelling); disposable chronic peritoneal catheters and cufs tube for continuous ambulatory peritoneal dialysis; disposable catheters for open heart surgery; disposable blood stream monitoring catheters; disposable guidewire for use with catheters; and disposable drainage bag ]