A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERALDISINFECTION, STERILISATION OR DEODORISATION OF AIRCHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLESMATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61KIn groups A61L2/00 - A61L12/00, it is desirable to add the indexing codes of groups A61L2101/00 - A61L2101/50.The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: A61L33/10 covered by A61L33/0011A61L33/14 covered by A61L33/0011A61L33/16 covered by A61L33/0047 In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. A61L2/00Disinfection or sterilising A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lensesAccessories therefor for contact lenses A61L12/00; atomisers for disinfecting agents A61M; sterilisation of packages or package contents in association with packaging B65B55/00; treatment of water, waste water, sewage or sludge C02F; disinfecting paper D21H21/36; disinfecting devices for water closets E03D; articles having provision for disinfection, see the relevant subclasses for these articles, e.g. H04R1/12 A61L2/0005for pharmaceuticals, biologicals or living parts A61L2/0011using physical methods A61L2/0017Filtration A61L2/0023Heat A61L2/0029Radiation A61L2/0035Gamma radiation A61L2/0041X-rays A61L2/0047Ultraviolet radiation A61L2/0052Visible light A61L2/0058Infrared radiation A61L2/0064Microwaves A61L2/007Particle radiation, e.g. electron-beam, alpha or beta radiation A61L2/0076using a photocatalyst or photosensitiser A61L2/0082using chemical substances A61L2/0088Liquid substances A61L2/0094Gaseous substances A61L2/02using physical phenomena A61L2/022Filtration A61L2/025Ultrasonics A61L2/03Electric current A61L2/035Electrolysis A61L2/04Heat A61L2/08 takes precedence A61L2/06Hot gas A61L2/07Steam A61L2/08Radiation A61L2/081Gamma radiation A61L2/082X-rays A61L2/084Visible light A61L2/085Infrared radiation A61L2/087Particle radiation, e.g. electron-beam, alpha or beta radiation A61L2/088using a photocatalyst or photosensitiser A61L2/10Ultra-violet radiation A61L2/12Microwaves A61L2/14Plasma, i.e. ionised gases A61L2/16using chemical substances A61L2/18Liquid substances or solutions comprising solids or dissolved gases A61L2/183Ozone dissolved in a liquid A61L2/186Peroxide solutions A61L2/20Gaseous substances, e.g. vapours A61L2/202Ozone A61L2/204Formaldehyde A61L2/206Ethylene oxide A61L2/208Hydrogen peroxide A61L2/22Phase substances, e.g. smokes, aerosols or sprayed or atomised substances A61L2/23Solid substances, e.g. granules, powders, blocks, tablets A61L2/232layered or coated A61L2/235cellular, porous or foamed A61L2/238Metals or alloys, e.g. oligodynamic metals A61L2/24Apparatus using programmed or automatic operation A61L2/26Accessories or devices or components used for biocidal treatment A61L2/28Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour apparatus involving enzymes or microorganisms C12M1/34; methods involving enzymes or microorganisms C12Q1/00 A61L9/00Disinfection, sterilisation or deodorisation of air body deodorants A61Q15/00; purifying air by respirators A62B, A62D9/00; separating dispersed particles from gases or vapours B01D45/00 - B01D51/00, B03C3/00; chemical or biological purification of waste gases B01D53/34; production of ozone C01B13/10; air-conditioning systems incorporating sterilisation F24F3/16, F24F8/20 A61L9/01Deodorant compositions compositions released by contact with a liquid A61L9/05 A61L9/012characterised by being in a special form, e.g. gels, emulsions A61L9/048 takes precedence A61L9/013containing animal or plant extracts, or vegetable material A61L9/014containing sorbent material, e.g. activated carbon A61L9/015using gaseous or vaporous substances, e.g. ozone A61L9/20 takes precedence ; evaporation in general B01B1/005 A61L9/02using substances evaporated in the air by heating or combustion A61L9/03Apparatus therefor A61L9/032comprising a fan A61L9/035emanating multiple odours A61L9/037comprising a wick A61L9/04using substances evaporated in the air without heating A61L9/042with the help of a macromolecular compound as a carrier or diluent A61L9/048 takes precedence A61L9/044with the help of an organic compound other than a macromolecular compound A61L9/046with the help of a non-organic compound A61L9/048air treating gels A61L9/05specially adapted to be released by contact with a liquid, e.g. for toilets A61L9/12Apparatus, e.g. holders, therefor A61L9/122comprising a fan A61L9/125emanating multiple odours A61L9/127comprising a wick A61L9/14using sprayed or atomised substances including air-liquid contact processes A61L9/145air-liquid contact processes, e.g. scrubbing A61L9/16using physical phenomena A61L9/18Radiation A61L9/22 takes precedence A61L9/20Ultra-violet radiation A61L9/205using a photocatalyst or photosensitiser A61L9/22Ionisation A61L11/00Methods specially adapted for refuse disintegrating medical waste B02C19/0075; disposal of medical waste B09B3/00 A61L12/00Methods or apparatus for disinfecting or sterilising contact lensesAccessories therefor A61L12/02using physical phenomena, e.g. electricity, ultrasonics or ultrafiltration A61L12/023Electrolysis A61L12/026Ultrasounds A61L12/04Heat A61L12/06 takes precedence A61L12/06Radiation, e.g. ultraviolet or microwaves A61L12/063Ultraviolet radiation A61L12/066Microwaves A61L12/08using chemical substances A61L12/082in combination with specific enzymes A61L12/084in a gaseous state A61L12/086Container, accessories or devices therefor A61L12/088Heavy metals A61L12/10Halogens or compounds thereof A61L12/102Chlorine dioxide (ClO₂) A61L12/105Iodine, iodides or iodophores A61L12/107Hypohalites; Active halogens A61L12/12Non-macromolecular oxygen-containing compounds, e.g. hydrogen peroxide or ozone A61L12/10 takes precedence A61L12/122Ozone A61L12/124Hydrogen peroxide; Peroxy compounds A61L12/126neutralised with catalase or peroxidase A61L12/128neutralised with catalysts A61L12/14Organic compounds not covered by groups A61L12/10 or A61L12/12 A61L12/141Biguanides, e.g. chlorhexidine A61L12/142Polymeric biguanides A61L12/143Quaternary ammonium compounds A61L12/145Polymeric quaternary ammonium compounds A61L12/146Aldehydes A61L12/147Alcohols or derivatives thereof aldehydes A61L12/146 A61L12/148Mercury containing compounds, e.g. thimerosal A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads comprising a solid support or backingfor liquid bandages A61L26/00; radioactive dressings A61N5/1029 transdermal delivery devices A61K9/7023 A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads for liquid bandages A61L26/00; radioactive dressings A61N5/1029 In groups A61L15/08 - A61L15/12, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. When classifying in groups A61L15/08 - A61L15/12, classification is also made in group A61L15/14 if the use of materials characterised by their function or physical properties is of interest. In groups A61L15/18 - A61L15/40, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. This Note corresponds to IPC Note (1) relating to A61L15/18 - A61L15/40.When classifying in groups A61L15/18 - A61L15/40, classification is also made in group A61L15/42 if the use of materials characterised by their function or physical properties is of interest. A61L15/07Stiffening bandages A61L15/08containing inorganic materials, e.g. plaster of Paris A61L15/10containing organic materials A61L15/12containing macromolecular materials In group A61L15/12 and subgroups, the use of specific polymers is indicated using the relevant combination set symbol, adding, after the A61L15/12 symbol, the correspondent symbol of the polymer composition in subclass C08L, e.g. stiffening bandage based on polyurethane A61L15/12, C08L75/04 A61L15/125Mixtures of macromolecular compounds A61L15/14Use of materials characterised by their function or physical properties A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons A61L15/18containing inorganic materials A61L15/20containing organic materials A61L15/22containing macromolecular materials In groups A61L15/22 - A61L15/30, the use of specific polymers is indicated using the relevant combination set symbol, adding, after the symbol in A61L, the correspondent symbol of the polymer in subclass C08L, e.g. absorbent pad containing starch A61L15/22, C08L3/02 A61L15/225Mixtures of macromolecular compounds A61L15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bondsDerivatives thereof A61L15/225 takes precedence A61L15/26Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bondsDerivatives thereof A61L15/225 takes precedence A61L15/28Polysaccharides or their derivatives A61L15/225 takes precedence A61L15/30Rubbers or their derivatives A61L15/225 takes precedence A61L15/32Proteins, polypeptidesDegradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin A61L15/225 takes precedence A61L15/325Collagen A61L15/34Oils, fats, waxes or natural resins A61L15/225 takes precedence A61L15/36containing microorganisms A61L15/38containing enzymes A61L15/40containing ingredients of undetermined constitution or reaction products thereof , e.g. plant or animal extracts A61L15/42Use of materials characterised by their function or physical properties liquid bandages A61L26/00 A61L15/425Porous materials, e.g. foams or sponges A61L15/44Medicaments A61L15/46Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria A61L15/48Surfactants A61L15/50LubricantsAnti-adhesive agents A61L15/52Water-repellants A61L15/54Radio-opaque materials A61L15/56Wetness-indicators or colourants A61L15/58Adhesives A61L15/585Mixtures of macromolecular compounds A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents A61L15/62Compostable, hydrosoluble or hydrodegradable materials A61L15/64specially adapted to be resorbable inside the body A61L17/00Materials for surgical sutures or for ligaturing blood vessels surgical adhesives A61L24/00; surgical instruments, devices or methods for suturing or ligaturing A61B17/04, A61B17/12; supports or packages for suture materials A61B17/04; Materials for prostheses or catheters bone cements or surgical adhesives for soft body tissues A61L24/00; shape or structure of prostheses A61F2/00; shape or structure of catheters A61M5/00 In groups A61L17/04 - A61L17/145, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.
When classifying in group A61L17/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. A61L17/005containing a biologically active substance, e.g. a medicament or a biocide A61L17/04Non-resorbable materials A61L17/06At least partially resorbable materials A61L17/08of animal origin, e.g. catgut, collagen A61L17/10containing macromolecular materials A61L17/105Polyesters not covered by A61L17/12 A61L17/12Homopolymers or copolymers of glycolic acid or lactic acid A61L17/14Post-treatment to improve physical properties A61L17/145Coating A61L24/00Surgical adhesives or cementsAdhesives for colostomy devices In groups A61L24/00 - A61L24/12, the use of specific polymers is indicated using the relevant combination set symbol, adding, after the symbol in A61L, the correspondent symbol of the polymer in subclass C08L, e.g. surgical adhesives based on polymethylmethacrylate: A61L24/06, C08L33/12 In groups A61L24/00 - A61L24/12, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. When classifying in group A61L24/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. A61L24/0005Ingredients of undetermined constitution or reaction products thereof A61L24/001Use of materials characterised by their function or physical properties A61L24/0015Medicaments; Biocides A61L24/0021Plasticisers A61L24/0026Sprayable compositions A61L24/0031Hydrogels or hydrocolloids A61L24/0036Porous materials, e.g. foams or sponges A61L24/0042Materials resorbable by the body A61L24/0047Composite materials, i.e. containing one material dispersed in a matrix of the same or different material A61L24/0052with an inorganic matrix A61L24/0057Carbon A61L24/0063Phosphorus containing materials, e.g. apatite A61L24/0068Inorganic materials not covered by groups A61L24/0057 or A61L24/0063 A61L24/0073with a macromolecular matrix A61L24/0078containing fillers of carbon A61L24/0084containing fillers of phosphorus-containing inorganic compounds, e.g. apatite A61L24/0089containing inorganic fillers not covered by groups A61L24/0078 or A61L24/0084 A61L24/0094containing macromolecular fillers A61L24/02containing inorganic materials A61L24/04containing macromolecular materials A61L24/043Mixtures of macromolecular materials A61L24/046obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L24/043 takes precedence A61L24/06obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L24/043, A61L24/046 take precedence A61L24/08Polysaccharides A61L24/043 takes precedence A61L24/10PolypeptidesProteins A61L24/043 takes precedence A61L24/102Collagen A61L24/104Gelatin A61L24/106Fibrin; Fibrinogen A61L24/108Specific proteins or polypeptides not covered by groups A61L24/102 - A61L24/106 A61L24/12Ionomer cements, e.g. glass-ionomer cements A61L24/043 takes precedence A61L26/00Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form When classifying in group A61L26/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. In groups A61L26/00 - A61L26/0095, the use of specific polymers is indicated using the relevant combination set symbol, adding, after the symbol in A61L, the correspondent symbol of the polymer in subclass C08L, e.g. liquid bandages on alginates: A61L26/0023, C08L5/04 A61L26/0004containing inorganic materials A61L26/0009containing macromolecular materials A61L26/0014obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L26/0019obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L26/0023Polysaccharides A61L26/0028Polypeptides; Proteins; Degradation products thereof A61L26/0033Collagen A61L26/0038Gelatin A61L26/0042Fibrin; Fibrinogen A61L26/0047Specific proteins or polypeptides not covered by groups A61L26/0033 - A61L26/0042 A61L26/0052Mixtures of macromolecular compounds A61L26/0057Ingredients of undetermined constitution or reaction products thereof A61L26/0061Use of materials characterised by their function or physical properties A61L26/0066Medicaments; Biocides A61L26/0071Plasticisers A61L26/0076Sprayable compositions A61L26/008Hydrogels or hydrocolloids A61L26/0085Porous materials, e.g. foams or sponges A61L26/009Materials resorbable by the body A61L26/0095Composite materials, i.e. containing one material dispersed in a matrix of the same or different material A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses dental prostheses A61C13/00; shape or structure of prostheses A61F2/00; use of preparations for artificial teeth A61K6/80; artificial kidneys A61M1/14 In groups A61L27/02 - A61L27/48, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. When classifying in groups A61L27/02 - A61L27/48, classification is also made in groups A61L27/50 - A61L27/60 if the use of materials characterised by their function or physical properties is of interest.
When classifying in group A61L27/00, classification is also made in A61L33/00 if the materials used are antithrombogenic In group A61L27/00, the use of specific polymers is indicated using the relevant classification symbols of subclass C08L in the second position of the combination set, e.g. prosthesis based on polyvinylchloride A61L27/16, C08L27/06 A61L27/02Inorganic materials A61L27/025Other specific inorganic materials not covered by A61L27/04 - A61L27/12 A61L27/04Metals or alloys A61L27/042Iron or iron alloys A61L27/045Cobalt or cobalt alloys A61L27/047Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06 A61L27/06Titanium or titanium alloys A61L27/08Carbon ; Graphite A61L27/10Ceramics or glasses A61L27/105containing Al₂O₃ A61L27/12Phosphorus-containing materials, e.g. apatite A61L27/14Macromolecular materials A61L27/16obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L27/165Rubbers A61L27/18obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L27/20Polysaccharides A61L27/22Polypeptides or derivatives thereof , e.g. degradation products A61L27/222Gelatin A61L27/225Fibrin; Fibrinogen A61L27/227Other specific proteins or polypeptides not covered by A61L27/222, A61L27/225 or A61L27/24 A61L27/24Collagen A61L27/26Mixtures of macromolecular compounds A61L27/28Materials for coating prostheses A61L27/30Inorganic materials A61L27/303Carbon A61L27/306Other specific inorganic materials not covered by A61L27/303 - A61L27/32 A61L27/32Phosphorus-containing materials, e.g. apatite A61L27/34Macromolecular materials A61L27/36containing ingredients of undetermined constitution or reaction products thereof , e.g. transplant tissue, natural bone, extracellular matrix isolated natural compounds, e.g. collagen A61L27/24 A61L27/3604characterised by the human or animal origin of the biological material, e.g. hair, fascia, fish scales, silk, shellac, pericardium, pleura, renal tissue, amniotic membrane, parenchymal tissue, fetal tissue, muscle tissue, fat tissue, enamel A61L27/3608Bone, e.g. demineralised bone matrix [DBM], bone powder A61L27/3612Cartilage, synovial fluid A61L27/3616Blood, e.g. platelet-rich plasma A61L27/362Skin, e.g. dermal papillae A61L27/3625Vascular tissue, e.g. heart valves A61L27/3629Intestinal tissue, e.g. small intestinal submucosa A61L27/3633Extracellular matrix [ECM] A61L27/3637characterised by the origin of the biological material other than human or animal, e.g. plant extracts, algae A61L27/3641characterised by the site of application in the body materials for artificial blood vessels A61L27/507; materials for use in artificial skin A61L27/60 A61L27/3645Connective tissue A61L27/365Bones A61L27/3654Cartilage, e.g. meniscus A61L27/3658Intervertebral discs mechanical aspects and structures of intervertebral discs A61F2/442 A61L27/3662Ligaments, tendons A61L27/3666Epithelial tissues other than skin A61L27/367Muscle tissue, e.g. sphincter A61L27/3675Nerve tissue, e.g. brain, spinal cord, nerves, dura mater A61L27/3679Hollow organs, e.g. bladder, esophagus, urether, uterus, intestine A61L27/3683subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment A61L27/3687characterised by the use of chemical agents in the treatment, e.g. specific enzymes, detergents, capping agents, crosslinkers, anticalcification agents A61L27/3691characterised by physical conditions of the treatment, e.g. applying a compressive force to the composition, pressure cycles, ultrasonic/sonication or microwave treatment, lyophilisation A61L27/3695characterised by the function or physical properties of the final product, where no specific conditions are defined to achieve this A61L27/3687, A61L27/3691 take precedence A61L27/38containing added animal cells organs or tissue containing native cells A61L27/36 A61L27/3804characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells A61L27/3808Endothelial cells A61L27/3813Epithelial cells, e.g. keratinocytes, urothelial cells A61L27/3817Cartilage-forming cells, e.g. pre-chondrocytes A61L27/3821Bone-forming cells, e.g. osteoblasts, osteocytes, osteoprogenitor cells A61L27/3826Muscle cells, e.g. smooth muscle cells A61L27/383Nerve cells, e.g. dendritic cells, Schwann cells A61L27/3834Cells able to produce different cell types, e.g. hematopoietic stem cells, mesenchymal stem cells, marrow stromal cells, embryonic stem cells A61L27/3839characterised by the site of application in the body materials for artificial blood vessels A61L27/507; materials for use in artificial skin A61L27/60 A61L27/3843Connective tissue A61L27/3847Bones A61L27/3852Cartilage, e.g. meniscus A61L27/3856Intervertebral discs mechanical aspects and structures of intervertebral discs A61F2/442 A61L27/386Ligaments, tendons A61L27/3865Dental/periodontal tissues A61L27/3869Epithelial tissues other than skin A61L27/3873Muscle tissue, e.g. sphincter A61L27/3878Nerve tissue, brain, spinal cord, nerves, dura mater A61L27/3882Hollow organs, e.g. bladder, esophagus, urether, uterus A61L27/3886comprising two or more cell types A61L27/3891as distinct cell layers A61L27/3895using specific culture conditions, e.g. stimulating differentiation of stem cells, pulsatile flow conditions A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material A61L27/42having an inorganic matrix A61L27/422of carbon A61L27/425of phosphorus containing material, e.g. apatite A61L27/427of other specific inorganic materials not covered by A61L27/422 or A61L27/425 A61L27/44having a macromolecular matrix A61L27/443with carbon fillers A61L27/446with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46 A61L27/46with phosphorus-containing inorganic fillers A61L27/48with macromolecular fillers A61L27/50Materials characterised by their function or physical properties , e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials A61L27/502Plasticizers A61L27/505Stabilizers A61L27/507for artificial blood vessels apparatus for applying cells on a blood vessel prosthesis A61F2/062 A61L27/52Hydrogels or hydrocolloids A61L27/54Biologically active materials, e.g. therapeutic substances A61L27/227 takes precedence A61L27/56Porous materials, e.g. foams or sponges A61L27/58Materials at least partially resorbable by the body A61L27/60Materials for use in artificial skin A61L28/00Materials for colostomy devices adhesives for colostomy devices A61L24/00 When classifying in group A61L28/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. A61L28/0003containing inorganic materials A61L28/0007containing macromolecular materials A61L28/0011obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L28/0015obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L28/0019Polysaccharides A61L28/0023Polypeptides; Proteins; Degradation products thereof A61L28/0026Mixtures of macromolecular compounds A61L28/003Ingredients of undetermined constitution or reaction products thereof A61L28/0034Use of materials characterised by their function or physical properties A61L28/0038Medicaments; Biocides A61L28/0042Plasticisers A61L28/0046Sprayable compositions A61L28/0049Hydrogels or hydrocolloids A61L28/0053Porous materials, e.g. foams or sponges A61L28/0057Materials resorbable by the body A61L28/0061Materials for coating A61L28/0065Inorganic materials A61L28/0069Macromolecular materials A61L28/0073Composite materials, i.e. containing one material dispersed in a matrix of the same or different material A61L28/0076with an inorganic matrix A61L28/008with a macromolecular matrix A61L28/0084containing fillers of carbon A61L28/0088containing fillers of phosphorus-containing inorganic compounds A61L28/0092containing inorganic fillers not covered by groups A61L28/0084 or A61L28/0088 A61L28/0096containing macromolecular fillers A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters shape or structure of catheters A61M25/00 In groups A61L29/02 - A61L29/126, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. When classifying in groups A61L29/02 - A61L29/126 , classification is also made in groups A61L29/14 - A61L29/18 if the use of materials characterised by their function or physical properties is of interest. When classifying in group A61L29/00, classification is also made in A61L33/00 if the materials used are antithrombogenic In group A61L29/00, the use of specific polymers is indicated using the relevant classification symbols of subclass C08L in the combination set, e.g. a catheter based on polyvinylchloride A61L29/041, C08L27/06 A61L29/005Ingredients of undetermined constitution or reaction products thereof A61L29/02Inorganic materials A61L29/04Macromolecular materials A61L29/041obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L29/042Rubbers A61L29/043Polysaccharides A61L29/044Proteins; Polypeptides; Degradation products thereof A61L29/045Collagen A61L29/046Gelatin A61L29/047Fibrin; Fibrinogen A61L29/048Other specific proteins or polypeptides not covered by A61L29/045 - A61L29/047 A61L29/049Mixtures of macromolecular compounds A61L29/06obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L29/08Materials for coatings A61L29/085Macromolecular materials A61L29/10Inorganic materials A61L29/103Carbon A61L29/106Inorganic materials other than carbon A61L29/12Composite materials, i.e. containing one material dispersed in a matrix of the same or different material A61L29/123having an inorganic matrix A61L29/126having a macromolecular matrix A61L29/14Materials characterised by their function or physical properties , e.g. lubricating compositions A61L29/141Plasticizers A61L29/143Stabilizers A61L29/145Hydrogels or hydrocolloids A61L29/146Porous materials, e.g. foams or sponges A61L29/148Materials at least partially resorbable by the body A61L29/16Biologically active materials, e.g. therapeutic substances A61L29/048 takes precedence A61L29/18Materials at least partially X-ray or laser opaque A61L31/00Materials for other surgical articles , e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices shape or structure of stent-grafts A61F2/07, of stents A61F2/82, of surgical gloves A61B42/00, of surgical drapes A61B46/00, of occluding devices A61B17/12022 In groups A61L31/02 - A61L31/129, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.
When classifying in groups A61L31/02 - A61L31/129 , classification is also made in groups A61L31/14 - A61L31/18 if the use of materials characterised by their function or physical properties is of interest. When classifying in group A61L31/00, classification is also made in A61L33/00 if the materials used are antithrombogenic In group A61L31/00, the use of specific polymers is indicated using the relevant classification symbols of subclass C08L in the second position of the combination set, e.g. surgical clamp based on polyvinylchloride A61L31/048, C08L27/06 A61L31/005Ingredients of undetermined constitution or reaction products thereof A61L31/02Inorganic materials A61L31/022Metals or alloys A61L31/024Carbon; Graphite A61L31/026Ceramic or ceramic-like structures, e.g. glasses A61L31/028Other inorganic materials not covered by A61L31/022 - A61L31/026 A61L31/04Macromolecular materials A61L31/041Mixtures of macromolecular compounds A61L31/042Polysaccharides A61L31/043Proteins; Polypeptides; Degradation products thereof A61L31/044Collagen A61L31/045Gelatin A61L31/046Fibrin; Fibrinogen A61L31/047Other specific proteins or polypeptides not covered by A61L31/044 - A61L31/046 A61L31/048obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L31/041 takes precedence A61L31/049Rubbers A61L31/06obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L31/041 takes precedence A61L31/08Materials for coatings A61L31/082Inorganic materials A61L31/084Carbon; Graphite A61L31/086Phosphorus-containing materials, e.g. apatite A61L31/088Other specific inorganic materials not covered by A61L31/084 or A61L31/086 A61L31/10Macromolecular materials A61L31/12Composite materials, i.e. containing one material dispersed in a matrix of the same or different material A61L31/121having an inorganic matrix A61L31/122of carbon A61L31/123of phosphorus-containing materials, e.g. apatite A61L31/124of other specific inorganic materials not covered by A61L31/122 or A61L31/123 A61L31/125having a macromolecular matrix A61L31/126containing carbon fillers A61L31/127containing fillers of phosphorus-containing inorganic materials A61L31/128containing other specific inorganic fillers not covered by A61L31/126 or A61L31/127 A61L31/129containing macromolecular fillers A61L31/14Materials characterised by their function or physical properties , e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials A61L31/141Plasticizers A61L31/143Stabilizers A61L31/145Hydrogels or hydrocolloids A61L31/146Porous materials, e.g. foams or sponges A61L31/148Materials at least partially resorbable by the body A61L31/16Biologically active materials, e.g. therapeutic substances A61L31/047 takes precedence A61L31/18Materials at least partially X-ray or laser opaque A61L33/00Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of bloodMaterials for such treatmentIn groups A61L33/0076 - A61L33/0094 and A61L33/02 - A61L33/122, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. When classifying in groups A61L33/02 - A61L33/122, classification is also made in group A61L33/0005 if of interest In group A61L33/00, the use of specific polymers is indicated using the relevant classification symbols of subclass C08L in the second position of the combination set, e.g. antithrombogenic treatment with the help of polyvinylchloride A61L33/064, C08L27/06 A61L33/0005Use of materials characterised by their function or physical properties A61L33/0011Anticoagulant, e.g. heparin, platelet aggregation inhibitor, fibrinolytic agent, other than enzymes, attached to the substrate A61L33/0017using a surface active agent A61L33/0023using a quaternized group or a protonated amine group of the substrate A61L33/0029using an intermediate layer of polymer A61L33/0035using a polymer with positively charged atoms in the polymeric backbone, e.g. ionenes A61L33/0041characterised by the choice of an antithrombatic agent other than heparin heparinoïd A61L33/08; polypeptides A61L33/12 A61L33/0047Enzymes, e.g. urokinase, streptokinase A61L33/0052Plasticizers A61L33/0058Stabilizers A61L33/0064Hydrogels or hydrocolloids A61L33/007Porous materials, e.g. foams or sponges A61L33/0076Chemical modification of the substrate A61L33/0082by reacting with an organic compound other than heparin A61L33/0088by grafting of a monomer onto the substrate A61L33/0094Physical treatment, e.g. plasma treatment A61L33/02Use of inorganic materials A61L33/022Metal or alloys A61L33/025Carbon; Graphite A61L33/027Other specific inorganic materials not covered by A61L33/022 or A61L33/025 A61L33/04Use of organic materials, e.g. acetylsalicylic acid A61L33/06Use of macromolecular materials grafting of a monomer onto the substrate A61L33/0088 A61L33/062Mixtures of macromolecular compounds A61L33/064obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L33/062 takes precedence A61L33/066Rubbers A61L33/068obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L33/062 takes precedence A61L33/08Polysaccharides A61L33/12Polypeptides, proteins or derivatives thereof , e.g. degradation products thereof A61L33/122Collagen A61L33/124Gelatin A61L33/126Fibrin A61L33/128Other specific proteins or polypeptides not covered by A61L33/122 - A61L33/126 A61L33/18Use of ingredients of undetermined constitution or reaction products thereof A61L2101/00Indexing scheme associated with groups A61L2/00 - A61L12/00, relating to the chemical composition of the materials used in disinfecting, sterilizing or deodorizing. A61L2101/00Chemical composition of materials used in disinfecting, sterilising or deodorising A61L2101/02Inorganic materials A61L2101/06containing halogen A61L2101/08Elemental halogen A61L2101/12containing silicon A61L2101/14containing sulfur A61L2101/16containing phosphorus A61L2101/18Ammonia A61L2101/20Acids A61L2101/24containing aluminium A61L2101/26containing copper A61L2101/28containing iron A61L2101/30containing zinc A61L2101/32Organic compounds A61L2101/34Hydroxy compounds A61L2101/36Carboxylic acids or derivatives thereof A61L2101/38Ethers A61L2101/40containing sulfur A61L2101/42Organo-metallic compounds or complexes A61L2101/44Heterocyclic compounds A61L2101/46Macromolecular compounds A61L2101/48obtained by reactions only involving carbon-to-carbon unsaturated bonds A61L2101/50Polysaccharides or derivatives thereof A61L2202/00 A61L2202/00Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects A61L2202/10Apparatus features A61L2202/11Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps A61L2202/12Apparatus for isolating biocidal substances from the environment A61L2202/121Sealings, e.g. doors, covers, valves, sluices A61L2202/122Chambers for sterilisation A61L2202/123Connecting means A61L2202/13Biocide decomposition means, e.g. catalysts, sorbents A61L2202/14Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs A61L2202/15Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers A61L2202/16Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles A61L2202/17Combination with washing or cleaning means A61L2202/18Aseptic storing means A61L2202/181Flexible packaging means, e.g. permeable membranes, paper A61L2202/182Rigid packaging means A61L2202/20Targets to be treated A61L2202/21Pharmaceuticals, e.g. medicaments, artificial body parts A61L2202/22Blood or products thereof A61L2202/23Containers, e.g. vials, bottles, syringes, mail A61L2202/24Medical instruments, e.g. endoscopes, catheters, sharps A61L2202/25Rooms in buildings, passenger compartments A61L2202/26Textiles, e.g. towels, beds, cloths A61L2209/00Aspects relating to disinfection, sterilisation or deodorisation of air A61L2209/10Apparatus features A61L2209/11Apparatus for controlling air treatment A61L2209/111Sensor means, e.g. motion, brightness, scent, contaminant sensors A61L2209/12Lighting means A61L2209/13Dispensing or storing means for active compounds A61L2209/131Semi-permeable membranes A61L2209/132Piezo or ultrasonic elements for dispensing A61L2209/133Replaceable cartridges, refills A61L2209/134Distributing means, e.g. baffles, valves, manifolds, nozzles A61L2209/135Vaporisers for active components A61L2209/14Filtering means A61L2209/15Supporting means, e.g. stands, hooks, holes for hanging A61L2209/16Connections to a HVAC unit A61L2209/20Method-related aspects A61L2209/21Use of chemical compounds for treating air or the like A61L2209/211Use of hydrogen peroxide, liquid and vaporous A61L2209/212Use of ozone, e.g. generated by UV radiation or electrical discharge A61L2209/213Use of electrochemically treated water, e.g. electrolysed water or water treated by electrical discharge A61L2209/22Treatment by sorption, e.g. absorption, adsorption, chemisorption, scrubbing, wet cleaning A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices A61L2300/10containing or releasing inorganic materials A61L2300/102Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates A61L2300/104Silver, e.g. silver sulfadiazine A61L2300/106Halogens or compounds thereof, e.g. iodine, chlorite A61L2300/108Elemental carbon, e.g. charcoal A61L2300/11Peroxy compounds, peroxides, e.g. hydrogen peroxide A61L2300/112Phosphorus-containing compounds, e.g. phosphates, phosphonates A61L2300/114Nitric oxide, i.e. NO A61L2300/20containing or releasing organic materials A61L2300/202with halogen atoms, e.g. triclosan, povidone-iodine A61L2300/204with nitrogen-containing functional groups, e.g. aminoxides, nitriles, guanidines A61L2300/206Biguanides, e.g. chlorohexidine A61L2300/208Quaternary ammonium compounds A61L2300/21Acids A61L2300/212Peroxy acids, peracids A61L2300/214Amino acids A61L2300/216with other specific functional groups, e.g. aldehydes, ketones, phenols, quaternary phosphonium groups A61L2300/22Lipids, fatty acids, e.g. prostaglandins, oils, fats, waxes A61L2300/222Steroids, e.g. corticosteroids A61L2300/224containing metals, e.g. porphyrins, vitamin B12 A61L2300/23Carbohydrates A61L2300/232Monosaccharides, disaccharides, polysaccharides, lipopolysaccharides A61L2300/236Glycosaminoglycans, e.g. heparin, hyaluronic acid, chondroitin A61L2300/25Peptides having up to 20 amino acids in a defined sequence A61L2300/252Polypeptides, proteins, e.g. glycoproteins, lipoproteins, cytokines A61L2300/254Enzymes, proenzymes A61L2300/256Antibodies, e.g. immunoglobulins, vaccines A61L2300/258Genetic materials, DNA, RNA, genes, vectors, e.g. plasmids A61L2300/30Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera A61L2300/40characterised by a specific therapeutic activity or mode of action A61L2300/402Anaestetics, analgesics, e.g. lidocaine A61L2300/404Biocides, antimicrobial agents, antiseptic agents A61L2300/406Antibiotics A61L2300/408Virucides, spermicides A61L2300/41Anti-inflammatory agents, e.g. NSAIDs A61L2300/412Tissue-regenerating or healing or proliferative agents A61L2300/414Growth factors A61L2300/416Anti-neoplastic or anti-proliferative or anti-restenosis or anti-angiogenic agents, e.g. paclitaxel, sirolimus A61L2300/418Agents promoting blood coagulation, blood-clotting agents, embolising agents A61L2300/42Anti-thrombotic agents, anticoagulants, anti-platelet agents A61L2300/422Anti-atherosclerotic agents A61L2300/424Anti-adhesion agents A61L2300/426Immunomodulating agents, i.e. cytokines, interleukins, interferons A61L2300/428Vitamins, e.g. tocopherol, riboflavin A61L2300/43Hormones, e.g. dexamethasone A61L2300/432Inhibitors, antagonists A61L2300/402 - A61L2300/43 take precedence A61L2300/434of enzymes A61L2300/436of receptors A61L2300/438Antigens A61L2300/44Radioisotopes, radionuclides A61L2300/442Colorants, dyes A61L2300/45Mixtures of two or more drugs, e.g. synergistic mixtures A61L2300/452Lubricants A61L2300/60characterised by a special physical form A61L2300/602Type of release, e.g. controlled, sustained, slow A61L2300/604Biodegradation A61L2300/606Coatings A61L2300/608having two or more layers A61L2300/61containing two or more active agents in different layers A61L2300/62Encapsulated active agents, e.g. emulsified droplets A61L2300/622Microcapsules A61L2300/624Nanocapsules A61L2300/626Liposomes, micelles, vesicles A61L2300/63Crystals A61L2300/64Animal cells A61L2300/80characterised by a special chemical form A61L2300/802Additives, excipients, e.g. cyclodextrins, fatty acids, surfactants A61L2400/00Materials characterised by their function or physical properties A61L2400/02Treatment of implants to prevent calcification or mineralisation in vivo A61L2400/04Materials for stopping bleeding A61L2400/06Flowable or injectable implant compositions A61L2400/08Methods for forming porous structures using a negative form which is filled and then removed by pyrolysis or dissolution A61L2400/10Materials for lubricating medical devices A61L2400/12Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubesNanostructured surfaces A61L2400/14Adhesives for ostomy devices A61L2400/16Materials with shape-memory or superelastic properties A61L2400/18Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment A61L2420/00Materials or methods for coatings medical devices A61L2420/02Methods for coating medical devices A61L2420/04Coatings containing a composite material such as inorganic/organic, i.e. material comprising different phases A61L2420/06Coatings containing a mixture of two or more compounds A61L2420/08Coatings comprising two or more layers A61L2430/00Materials or treatment for tissue regeneration A61L2430/02for reconstruction of bonesweight-bearing implants A61L2430/04for mammary reconstruction A61L2430/06for cartilage reconstruction, e.g. meniscus A61L2430/10for reconstruction of tendons or ligaments A61L2430/12for dental implants or prostheses A61L2430/14for ear reconstruction or ear implants, e.g. implantable hearing aids A61L2430/16for reconstruction of eye parts, e.g. intraocular lens, cornea A61L2430/18for hair reconstruction A61L2430/20for reconstruction of the heart, e.g. heart valves A61L2430/22for reconstruction of hollow organs, e.g. bladder, esophagus, urether, uterus A61L2430/24for joint reconstruction A61L2430/26for kidney reconstruction A61L2430/28for liver reconstruction A61L2430/30for muscle reconstruction A61L2430/32for nerve reconstruction A61L2430/34for soft tissue reconstruction A61L2430/36for embolization or occlusion, e.g. vaso-occlusive compositions or devices artificial blood vessels A61L27/507 A61L2430/38for reconstruction of the spine, vertebrae or intervertebral discs A61L2430/40Preparation and treatment of biological tissue for implantation, e.g. decellularisation, cross-linking