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A:SECTION A HUMAN NECESSITIES
 A61: MEDICAL OR VETERINARY SCIENCE; HYGIENE
  A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
   A61L2/00: Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor  
   A61L2/02: using physical phenomena  
   A61L2/025: . . Ultrasonics  
   A61L2/03: . . Electric current, e.g. electrolysis  
   A61L2/04: . . Heat  
   A61L2/06: . . . Hot gas  
   A61L2/07: . . . . Steam  
   A61L2/08: . . Radiation  
   A61L2/10: . . . Ultra-violet radiation  
   A61L2/12: . . . Microwaves  
   A61L2/14: . . Plasma, i.e. ionised gases  
   A61L2/16: using chemical substances  
   A61L2/18: . . Liquid substances  
   A61L2/20: . . Gaseous substances, e.g. vapours  
   A61L2/22: . . Phase substances, e.g. smokes, aerosols  
   A61L2/23: . . Solid substances, e.g. granules, powders, blocks, tablets  
   A61L2/232: . . . layered or coated  
   A61L2/235: . . . cellular, porous or foamed  
   A61L2/238: . . . Metals or alloys, e.g. oligodynamic metals  
   A61L2/24: Apparatus using programmed or automatic operation  
   A61L2/26: Accessories  
   A61L2/28: . . Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour  
   A61L9/00: Disinfection, sterilisation or deodorisation of air  
   A61L9/01: Deodorant compositions  
   A61L9/012: . . characterised by being in a special form, e.g. gels, emulsions  
   A61L9/013: . . containing animal or plant extracts, or vegetable material  
   A61L9/014: . . containing sorbent material, e.g. activated carbon  
   A61L9/015: using gaseous or vaporous substances, e.g. ozone  
   A61L9/02: . . using substances evaporated in the air by heating or combustion  
   A61L9/03: . . . Apparatus therefor  
   A61L9/04: . . using substances evaporated in the air without heating  
   A61L9/05: . . . specially adapted to be released by contact with a liquid, e.g. for toilets  
   A61L9/12: . . . Apparatus, e.g. holders, therefor  
   A61L9/14: using sprayed or atomised substances  
   A61L9/16: using physical phenomena  
   A61L9/18: . . Radiation  
   A61L9/20: . . . Ultra-violet radiation  
   A61L9/22: . . Ionisation  
   A61L11/00: Disinfection or sterilising methods specially adapted for refuse  
   A61L12/00: Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor  
   A61L12/02: using physical phenomena, e.g. electricity, ultrasonics or ultrafiltration  
   A61L12/04: . . Heat  
   A61L12/06: . . Radiation, e.g. ultra-violet or microwaves  
   A61L12/08: using chemical substances  
   A61L12/10: . . Halogens or compounds thereof  
   A61L12/12: . . Non-macromolecular oxygen-containing compounds, e.g hydrogen peroxide or ozone  
   A61L12/14: . . Organic compounds not covered by groups or   
   A61L15/00: Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads  
   A61L15/07: Stiffening bandages  
   A61L15/08: . . containing inorganic materials, e.g. plaster of Paris  
   A61L15/10: . . containing organic materials  
   A61L15/12: . . containing macromolecular materials  
   A61L15/14: . . Use of materials characterised by their function or physical properties  
   A61L15/16: Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons  
   A61L15/18: . . containing inorganic materials  
   A61L15/20: . . containing organic materials  
   A61L15/22: . . containing macromolecular materials  
   A61L15/24: . . . Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof  
   A61L15/26: . . . Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof  
   A61L15/28: . . . Polysaccharides or their derivatives  
   A61L15/30: . . . Rubbers or their derivatives  
   A61L15/32: . . . Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin  
   A61L15/34: . . . Oils, fats, waxes, or natural resins  
   A61L15/36: . . containing microorganisms  
   A61L15/38: . . containing enzymes  
   A61L15/40: . . containing ingredients of undetermined constitution or reaction products thereof  
   A61L15/42: . . Use of materials characterised by their function or physical properties  
   A61L15/44: . . . Medicaments  
   A61L15/46: . . . Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria  
   A61L15/48: . . . Surfactants  
   A61L15/50: . . . Lubricants; Anti-adhesive agents  
   A61L15/52: . . . Water-repellants  
   A61L15/54: . . . Radio-opaque materials  
   A61L15/56: . . . Wetness-indicators or colorants  
   A61L15/58: . . . Adhesives  
   A61L15/60: . . . Liquid-swellable gel-forming materials, e.g. super-absorbents  
   A61L15/62: . . . Hydrosoluble or hydrodegradable materials  
   A61L15/64: . . . specially adapted to be resorbable inside the body  
   A61L17/00: Materials for surgical sutures or for ligaturing blood vessels  
   A61L17/04: Non-resorbable materials  
   A61L17/06: At least partly resorbable materials  
   A61L17/08: . . of animal origin, e.g. catgut, collagen  
   A61L17/10: . . containing macromolecular materials  
   A61L17/12: . . . Homopolymers or copolymers of glycolic or lactic acid  
   A61L17/14: Post-treatment to improve physical properties  
   A61L24/00: Surgical adhesives or cements; Adhesives for colostomy devices  
   A61L24/02: containing inorganic materials  
   A61L24/04: containing macromolecular materials  
   A61L24/06: . . obtained by reactions only involving carbon-to-carbon unsaturated bonds  
   A61L24/08: . . Polysaccharides  
   A61L24/10: . . Polypeptides; Proteins  
   A61L24/12: . . Ionomer cements, e.g. glass-ionomer cements  
   A61L26/00: Chemical aspects of, or use of materials for, liquid bandages  
   A61L27/00: Materials for prostheses or for coating prostheses  
   A61L27/02: Inorganic materials  
   A61L27/04: . . Metals or alloys  
   A61L27/06: . . . Titanium or titanium alloys  
   A61L27/08: . . Carbon  
   A61L27/10: . . Ceramics or glasses  
   A61L27/12: . . Phosphorus-containing materials, e.g. apatite  
   A61L27/14: Macromolecular materials  
   A61L27/16: . . obtained by reactions only involving carbon-to-carbon unsaturated bonds  
   A61L27/18: . . obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds  
   A61L27/20: . . Polysaccharides  
   A61L27/22: . . Polypeptides or derivatives thereof  
   A61L27/24: . . . Collagen  
   A61L27/26: . . Mixtures of macromolecular materials  
   A61L27/28: Materials for coating prostheses  
   A61L27/30: . . Inorganic materials  
   A61L27/32: . . . Phosphorus-containing materials, e.g. apatite  
   A61L27/34: . . Macromolecular materials  
   A61L27/36: containing ingredients of undetermined constitution or reaction products thereof  
   A61L27/38: . . Animal cells  
   A61L27/40: Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material  
   A61L27/42: . . having an inorganic matrix  
   A61L27/44: . . having a macromolecular matrix  
   A61L27/46: . . . with phosphorus-containing inorganic fillers  
   A61L27/48: . . . with macromolecular fillers  
   A61L27/50: Materials characterised by their function or physical properties  
   A61L27/52: . . Hydrogels or hydrocolloids  
   A61L27/54: . . Biologically active materials, e.g. therapeutic substances  
   A61L27/56: . . Porous or cellular materials  
   A61L27/58: . . Materials at least partially resorbable by the body  
   A61L27/60: . . Materials for use in artificial skin  
   A61L28/00: Materials for colostomy devices  
   A61L29/00: Materials for catheters or for coating catheters  
   A61L29/02: Inorganic materials  
   A61L29/04: Macromolecular materials  
   A61L29/06: . . obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds  
   A61L29/08: Materials for coatings  
   A61L29/10: . . Inorganic materials  
   A61L29/12: Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material  
   A61L29/14: Materials characterised by their function or physical properties  
   A61L29/16: . . Biologically active materials, e.g. therapeutic substances  
   A61L29/18: . . Materials at least partially X-ray or laser opaque  
   A61L31/00: Materials for other surgical articles  
   A61L31/02: Inorganic materials  
   A61L31/04: Macromolecular materials  
   A61L31/06: . . obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds  
   A61L31/08: Materials for coatings  
   A61L31/10: . . Macromolecular materials  
   A61L31/12: Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material  
   A61L31/14: Materials characterised by their function or physical properties  
   A61L31/16: . . Biologically active materials, e.g. therapeutic substances  
   A61L31/18: . . Materials at least partially X-ray or laser opaque  
   A61L33/00: Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment  
   A61L33/02: Use of inorganic materials  
   A61L33/04: Use of organic materials, e.g. acetylsalicylic acid  
   A61L33/06: Use of macromolecular materials  
   A61L33/08: . . Polysaccharides  
   A61L33/10: . . . Heparin, heparinoid or derivatives thereof  
   A61L33/12: . . Polypeptides, proteins or derivatives thereof  
   A61L33/14: Use of fibrinolytic agents or platelet aggregation inhibitors  
   A61L33/16: Use of enzymes, e.g. urokinase, streptokinase  
   A61L33/18: Use of ingredients of undertermined constitution or reaction products thereof  
   A61L101/00: Chemical composition of materials used in disinfecting, sterilising or deodorising  
   A61L101/02: Inorganic materials  
   A61L101/04: . . Elemental carbon, e.g. active charcoal  
   A61L101/06: . . containing halogen  
   A61L101/08: . . . Elemental halogen  
   A61L101/10: . . Ozone  
   A61L101/12: . . containing silicon  
   A61L101/14: . . containing sulfur  
   A61L101/16: . . containing phosphorus  
   A61L101/18: . . Ammonia  
   A61L101/20: . . Acids  
   A61L101/22: . . Peroxides  
   A61L101/24: . . containing aluminium  
   A61L101/26: . . containing copper  
   A61L101/28: . . containing iron  
   A61L101/30: . . containing zinc  
   A61L101/32: Organic compounds  
   A61L101/34: . . Hydroxy compounds  
   A61L101/36: . . Carboxylic acids or derivatives thereof  
   A61L101/38: . . Ethers  
   A61L101/40: . . containing sulfur  
   A61L101/42: . . Organo-metallic compounds or complexes  
   A61L101/44: . . Heterocyclic compounds  
   A61L101/46: . . Macromolecular compounds  
   A61L101/48: . . . obtained by reactions only involving carbon-to-carbon unsaturated bonds  
   A61L101/50: . . . Polysaccharides or derivatives thereof  
   A61L101/52: Microorganisms or substances produced by or extracted from microorganisms  
   A61L101/54: Enzymes  
   A61L101/56: Plant extracts or vegetable products of undetermined chemical constitution, e.g. plant fibre