|  | A |
SECTION A — HUMAN NECESSITIES

HEALTH; AMUSEMENT

|  | 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 (preservation of bodies or disinfecting characterised by the agent employed Fulltext... Hierarchy... Expanded...A01N; preserving, e.g. sterilising, food or foodstuffs Fulltext... Hierarchy... Expanded...A23; preparations for medical, dental or toilet purposes Fulltext... Hierarchy... Expanded...A61K; preparation of ozone Fulltext... Hierarchy... Expanded...C01B 13/10) [4]

|  | A61L |
Note(s) Processes using enzymes or micro-organisms in order to: liberate, separate or purify a pre-existing compound or composition, or to treat textiles or clean solid surfaces of materials are further classified in subclass Fulltext... Hierarchy... Expanded...C12S. [5]

|  | A61L |
Subclass index
DISINFECTION OR STERILISATION OF MATERIALS |
General methods or apparatus | 2/00
of air | 9/00
of refuse | 11/00
MATERIALS FOR |
Bandages, dressings or absorbent pads | 15/00
sutures or for ligaturing blood vessels | 17/00
catheters or for coating catheters | 29/00
other surgical articles | 31/00
SURGICAL ADHESIVES OR CEMENTS; ADHESIVES FOR COLOSTOMY DEVICES | 25/00
ANTITHROMBOGENIC TREATMENT OF SURGICAL ARTICLES | 33/00

|  | A61L 2/00 - A61L 11/00 |
Disinfection or sterilising

|  | A61L 2/00 |
Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs (atomisers for disinfecting agents Fulltext... Hierarchy... Expanded...A61M; sterilisation of packages or package contents in association with packaging Fulltext... Hierarchy... Expanded...B65B 55/00; treatment of water, waste water, sewage or sludge Fulltext... Hierarchy... Expanded...C02F; disinfecting paper Fulltext... Hierarchy... Expanded...D21H 21/36; disinfecting devices for water closets Fulltext... Hierarchy... Expanded...E03D; articles having provision for disinfection, see the relevant subclasses for these articles, e.g. Fulltext... Hierarchy... Expanded...H04R 1/12) [3,5]

|  | A61L 2/02 |
· | using physical phenomena, e.g. ultrasonics; using electrolysis (generating these phenomena, see the relevant subclasses) [3]

|  | A61L 2/04 |
· · | Heat (Fulltext... Hierarchy... Expanded...A61L 2/08 takes precedence) [3]

|  | A61L 2/06 |
· · · | Hot gas, e.g. steam [3]

|  | A61L 2/08 |
· · | Radiation [3]

|  | A61L 2/10 |
· · · | Ultra-violet radiation [3]

|  | A61L 2/12 |
· · · | Microwaves [3]

|  | A61L 2/14 |
· · | Plasma, i.e. ionised gases [3]

|  | A61L 2/16 |
· | using chemical substances [3]

|  | A61L 2/18 |
· · | liquid substances [3]

|  | A61L 2/20 |
· · | gaseous substances, e.g. vapours [3]

|  | A61L 2/22 |
· · | phase substances, e.g. smokes, aerosols [3]

|  | A61L 2/24 |
· | Apparatus using programmed or automatic operation [3]

|  | A61L 2/26 |
· | Accessories [3]

|  | A61L 9/00 |
Disinfection, sterilisation or deodorisation of air (body deodorants Fulltext... Hierarchy... Expanded...A61K 7/32; purifying air by respirators Fulltext... Hierarchy... Expanded...A62B, Fulltext... Hierarchy... Expanded...A62D 9/00; separating dispersed particles from gases or vapours Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...B01D 45/00-B01D 51/00, Fulltext... Hierarchy... Expanded...B03C 3/00; chemical or biological purification of waste gases Fulltext... Hierarchy... Expanded...B01D 53/34; production of ozone Fulltext... Hierarchy... Expanded...C01B 13/10; air-conditioning systems incorporating sterilisation Fulltext... Hierarchy... Expanded...F24F 3/16)

|  | A61L 9/01 |
· | Deodorant compositions [2]

|  | A61L 9/015 |
· | using gaseous or vaporous substances, e.g. ozone (Fulltext... Hierarchy... Expanded...A61L 9/20 takes precedence) [3]

|  | A61L 9/02 |
· · | using substances evaporated in the air by heating or combustion [3]

|  | A61L 9/03 |
· · · | Apparatus therefor [3]

|  | A61L 9/04 |
· · | using substances evaporated in the air without heating [3]

|  | A61L 9/12 |
· · · | Apparatus, e.g. holders, therefor [3]

|  | A61L 9/14 |
· | using sprayed or atomised substances [3]

|  | A61L 9/16 |
· | using physical phenomena [3]

|  | A61L 9/18 |
· · | Radiation (Fulltext... Hierarchy... Expanded...A61L 9/22 takes precedence) [3]

|  | A61L 9/20 |
· · · | Ultra-violet radiation [3]

|  | A61L 9/22 |
· · | Ionisation [3]

|  | A61L 11/00 |
Methods specially adapted for refuse

|  | A61L 15/00 - A61L 33/00 |
Chemical aspects of bandages, dressings, or absorbent pads or use of materials for their realisation; Materials for surgical articles, e.g. surgical sutures; Liquid bandages, surgical adhesives or cements, prostheses or catheters

|  | A61L 15/00 |
Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads (other aspects of bandages, dressings or absorbent pads Fulltext... Hierarchy... Expanded...A61F 13/00; radioactive dressings Fulltext... Hierarchy... Expanded...A61M 36/14)

|  | A61L 15/07 - A61L 15/40 |
Note(s) In each set of groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A61L 15/08-A61L 15/12 and Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A61L 15/18-A61L 15/40, in the absence of an indication to the contrary, classification is made in the last appropriate place. [5] When classifying in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A61L 15/08-A61L 15/12, classification is also made in group Fulltext... Hierarchy... Expanded...A61L 15/14 if the use of materials characterised by their function or physical properties is of interest. [5] When classifying in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A61L 15/18-A61L 15/40, classification is also made in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A61L 15/42-A61L 15/64 if the use of materials characterised by their function or physical properties is of interest. [5]

|  | A61L 15/07 |
· | Stiffening bandages

|  | A61L 15/08 |
· · | containing inorganic materials, e.g. plaster of Paris [5]

|  | A61L 15/10 |
· · | containing organic materials [5]

|  | A61L 15/12 |
· · | containing macromolecular materials [5]

|  | A61L 15/14 |
· · | Use of materials characterised by their function or physical properties [5]

|  | A61L 15/16 |
· | Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons [5]

|  | A61L 15/18 |
· · | containing inorganic materials [5]

|  | A61L 15/20 |
· · | containing organic materials [5]

|  | A61L 15/22 |
· · | containing macromolecular materials [5]

|  | A61L 15/24 |
· · · | Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof [5]

|  | A61L 15/26 |
· · · | Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof [5]

|  | A61L 15/28 |
· · · | Polysaccharides or their derivatives [5]

|  | A61L 15/30 |
· · · | Rubbers or their derivatives [5]

|  | A61L 15/32 |
· · · | Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin [5]

|  | A61L 15/34 |
· · · | Oils, fats, waxes, or natural resins [5]

|  | A61L 15/36 |
· · | containing micro-organisms [5]

|  | A61L 15/38 |
· · | containing enzymes [5]

|  | A61L 15/40 |
· · | containing ingredients of undetermined constitution or reaction products thereof [5]

|  | A61L 15/42 |
· · | Use of materials characterised by their function or physical properties (liquid bandages Fulltext... Hierarchy... Expanded...A61L 25/00) [5]

|  | A61L 15/44 |
· · · | Medicaments [5]

|  | A61L 15/46 |
· · · | Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria [5]

|  | A61L 15/48 |
· · · | Surfactants [5]

|  | A61L 15/50 |
· · · | Lubricants; Anti-adhesive agents [5]

|  | A61L 15/52 |
· · · | Water-repellants [5]

|  | A61L 15/54 |
· · · | Radio-opaque materials [5]

|  | A61L 15/56 |
· · · | Wetness-indicators or colourants [5]

|  | A61L 15/58 |
· · · | Adhesives [5]

|  | A61L 15/60 |
· · · | Liquid-swellable gel-forming materials, e.g. super-absorbents [5]

|  | A61L 15/62 |
· · · | Hydrosoluble or hydrodegradable materials [5]

|  | A61L 15/64 |
· · · | specially adapted to be resorbable inside the body [5]

|  | A61L 17/00 |
Materials for surgical sutures or for ligaturing blood vessels (surgical adhesives Fulltext... Hierarchy... Expanded...A61L 25/00; surgical instruments, devices or methods for suturing or ligaturing Fulltext... Hierarchy... Expanded...A61B 17/04, Fulltext... Hierarchy... Expanded...A61B 17/12; supports or packages for suture materials Fulltext... Hierarchy... Expanded...A61B 17/04) [3,4]

|  | A61L 25/00 |
Surgical adhesives or cements; Liquid bandages; Materials for colostomy devices (adhesive bandages, dressings, or absorbent pads Fulltext... Hierarchy... Expanded...A61L 15/16, Fulltext... Hierarchy... Expanded...A61F 13/00; cements in general Fulltext... Hierarchy... Expanded...C04B) [4]

|  | A61L 27/00 |
Materials for prostheses or for coating prostheses (dental prostheses Fulltext... Hierarchy... Expanded...A61C 13/00; shape or structure of prostheses Fulltext... Hierarchy... Expanded...A61F 2/00; use of preparations for artificial teeth Fulltext... Hierarchy... Expanded...A61K 6/02; artificial kidneys Fulltext... Hierarchy... Expanded...A61M 1/14) [4]

|  | A61L 29/00 |
Materials for catheters (shape or structure of catheters Fulltext... Hierarchy... Expanded...A61M 25/00) [4]

|  | A61L 31/00 |
Materials for other surgical articles [4]

|  | A61L 33/00 |
Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, as well as articles for the manipulation or conditioning of blood [4]