Sterile surgical catgut, similar sterile suture materials (including sterile absorbable surgical or dental yarns) and sterile tissue adhesives for surgical wound closure; sterile laminaria and sterile laminaria tents; sterile absorbable surgical or dental haemostatics; sterile surgical or dental adhesion barriers, whether or not absorbable

1. This chapter does not cover: (a) foods or beverages (such as dietetic, diabetic or fortified foods, food supplements, tonic beverages and mineral waters), other than nutritional preparations for intravenous administration (Section IV); (b) preparations such as tablets, chewing gum or patches which are intended to help smokers stop smoking (heading 2106 or 3824); (c) plasters specially calcined or finely ground for use in dentistry (heading 2520); (d) aqueous distillates or aqueous solutions of essential oils, suitable for medicinal uses (heading 3301); (e) preparations of headings 3303 to 3307, even if they have therapeutic or prophylactic properties; (f) soap or other products of heading 3401 containing added medicaments; (g) preparations with a basis of plaster for use in dentistry (heading 3407); (h) albumin not prepared for therapeutic or prophylactic uses (heading 3502). 2. For the purposes of heading 3002, 'immunological products' applies when such products are used directly on patients for therapeutic or prophylactic purposes, including monoclonal antibodies (MAbs), antibody fragments, antibody conjugates and antibody fragment conjugates. 3. For the purposes of headings 3003 and 3004, the following are to be treated as: (a) 'unmixed products': unmixed products dissolved in water; all goods of Chapters 28 or 29; and simple vegetable extracts of heading 1302, merely standardised or dissolved in any solvent; (b) 'mixed products': colloidal solutions and suspensions; mixtures obtained from extraction of vegetable substances or of animal substances; and products of Note 3(a) to which substances have been added. 4. Heading 3006 applies only to: sterile surgical catgut and similar sterile suture materials; sterile laminaria and sterile laminaria tents; sterile absorbable surgical or dental haemostatics; opacifying preparations for X-ray examinations and diagnostic reagents designed to be administered to the patient; blood-grouping reagents; dental cements and other dental fillings; bone reconstruction cements; first-aid boxes and kits; chemical contraceptive preparations based on hormones, on other products of heading 2937 or on spermicides; gel preparations designed to be used in human or veterinary medicine as a lubricant for parts of the body for surgical operations or physical examinations or as a coupling agent between the body and medical instruments; pharmaceutical waste.