PATIENT SUPPORTING OPERATING TABLES; OPERATING TABLE COLUMNS; TRANSPORTERS FOR OPERATING TABLES; ELECTRONIC AND PNEUMATIC CONTROLS FOR OPERATING TABLES; PATIENT TRANSFER UNITS; ACCESSORIES FOR OPERATING TABLES, NAMELY BASE PLATES, GUARD RAILS, HEAD RESTS, LIMB SUPPORTS, POSTURING DEVICES, ANESTHETIC SCREENS, HEATING PADS AND CONTROLS, BODY AND LIMB STRAPS AND CLAMPS, TRACTION BOOTS, COUNTERACTION POSTS, INFUSION RODS, X-RAY CASSETTE SLIDES AND HOLDERS, AND SURGEON'S HAND SUPPORTS; AND MOBILE FURNITURE FOR STORING AND TRANSPORTING MATERIALS USED FOR THE CARE AND TREATMENT OF MEDICAL AND SURGICAL PATIENTS