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 A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toilet purposes A61K; preparation of ozone C01B 13/10)  [4]
 A61L

Note(s)

Processes using enzymes or micro-organisms in order to:

  1. liberate, separate or purify a pre-existing compound or composition, or to
  2. treat textiles or clean solid surfaces of materials
are further classified in subclass C12S.  [5]

 A61L
Subclass index
DISINFECTION OR STERILISATION OF MATERIALS
General methods or apparatus 2/00
of air 9/00
of refuse 11/00
of contact lenses 12/00
MATERIALS FOR
Bandages, dressings or absorbent pads 15/00
sutures or for ligaturing blood vessels 17/00
liquid bandages 26/00
prostheses or for coating prostheses 27/00
colostomy devices 28/00
catheters or for coating catheters 29/00
other surgical articles 31/00
SURGICAL ADHESIVES OR CEMENTS; ADHESIVES FOR COLOSTOMY DEVICES 24/00
ANTITHROMBOGENIC TREATMENT OF SURGICAL ARTICLES 33/00
 A61L 2/00 - 
A61L 12/02

Note(s)

In groups A61L 2/00-A61L 12/00, it is desirable to add the indexing codes of group A61L 101/00. The indexing codes should be unlinked[7]

 A61L 2/00 - 
A61L 12/00
Disinfection or sterilising
 A61L 2/00
Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor (for contact lenses A61L 12/00; atomisers for disinfecting agents A61M; sterilisation of packages or package contents in association with packaging B65B 55/00; treatment of water, waste water, sewage or sludge C02F; disinfecting paper D21H 21/36; disinfecting devices for water closets E03D; articles having provision for disinfection, see the relevant subclasses for these articles, e.g. H04R 1/12)  [3,5,7]
 A61L 2/02
·  using physical phenomena  [3]
 A61L 2/025
·  ·  Ultrasonics  [7]
 A61L 2/03
·  ·  Electric current, e.g. electrolysis  [7]
 A61L 2/04
·  ·  Heat (A61L 2/08 takes precedence)  [3]
 A61L 2/06
·  ·  ·  Hot gas  [3]
 A61L 2/07
·  ·  ·  ·  Steam  [7]
 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 2/23
·  ·  Solid substances, e.g. granules, powders, blocks, tablets  [7]
 A61L 2/232
·  ·  ·  layered or coated  [7]
 A61L 2/235
·  ·  ·  cellular, porous or foamed  [7]
 A61L 2/238
·  ·  ·  Metals or alloys, e.g. oligodynamic metals  [7]
 A61L 2/24
·  Apparatus using programmed or automatic operation  [3]
 A61L 2/26
·  Accessories  [3]
 A61L 2/28
·  ·  Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour (methods involving enzymes or micro-organisms C12Q 1/00; apparatus involving enzymes or micro-organisms C12M 1/34)  [7]
 A61L 9/00
Disinfection, sterilisation or deodorisation of air (body deodorants A61K 7/32; purifying air by respirators A62B, A62D 9/00; separating dispersed particles from gases or vapours B01D 45/00-B01D 51/00, B03C 3/00; chemical or biological purification of waste gases B01D 53/34; production of ozone C01B 13/10; air-conditioning systems incorporating sterilisation F24F 3/16)
 A61L 9/01
·  Deodorant compositions  [2]
 A61L 9/012
·  ·  characterised by being in a special form, e.g. gels, emulsions  [7]
 A61L 9/013
·  ·  containing animal or plant extracts, or vegetable material  [7]
 A61L 9/014
·  ·  containing sorbent material, e.g. activated carbon  [7]
 A61L 9/015
·  using gaseous or vaporous substances, e.g. ozone (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 9/05
·  ·  ·  specially adapted to be released by contact with a liquid, e.g. for toilets  [7]
 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 (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 12/00
Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor  [7]
 A61L 12/02
·  using physical phenomena, e.g. electricity, ultrasonics or ultrafiltration  [7]
 A61L 12/04
·  ·  Heat (A61L 12/06 takes precedence)  [7]
 A61L 12/06
·  ·  Radiation, e.g. ultra-violet or microwaves  [7]
 A61L 12/08
·  using chemical substances  [7]
 A61L 12/10
·  ·  Halogens or compounds thereof  [7]
 A61L 12/12
·  ·  Non-macromolecular oxygen-containing compounds, e.g hydrogen peroxide or ozone (A61L 12/10 takes precedence)  [7]
 A61L 12/14
·  ·  Organic compounds not covered by groups A61L 12/10 or A61L 12/12  [7]
 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; Surgical adhesives or cements; Materials for prostheses, catheters or colostomy devices
 A61L 15/00
Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads (for liquid bandages A61L 26/00; radioactive dressings A61M 36/14)
 A61L 15/00

Note(s)

  1. In each set of groups A61L 15/08-A61L 15/12 and A61L 15/18-A61L 15/40, in the absence of an indication to the contrary, classification is made in the last appropriate place.  [5]
  2. When classifying in groups A61L 15/08-A61L 15/12, classification is also made in group A61L 15/14 if the use of materials characterised by their function or physical properties is of interest.  [5]
  3. When classifying in groups A61L 15/18-A61L 15/40, classification is also made in groups 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  [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 colorants  [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 A61L 24/00; surgical instruments, devices or methods for suturing or ligaturing A61B 17/04, A61B 17/12; supports or packages for suture materials A61B 17/04)  [3,4]
 A61L 17/04 - 
A61L 17/14

Note(s)

  1. In groups A61L 17/04-A61L 17/14, in the absence of an indication to the contrary, classification is made in the last appropriate place. [7]
  2. When classifying in group A61L 17/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]
 A61L 17/04
·  Non-resorbable materials  [7]
 A61L 17/06
·  At least partly resorbable materials  [7]
 A61L 17/08
·  ·  of animal origin, e.g. catgut, collagen  [7]
 A61L 17/10
·  ·  containing macromolecular materials  [7]
 A61L 17/12
·  ·  ·  Homopolymers or copolymers of glycolic or lactic acid  [7]
 A61L 17/14
·  Post-treatment to improve physical properties  [7]
 A61L 24/00
Surgical adhesives or cements; Adhesives for colostomy devices  [7]
 A61L 24/02 - 
A61L 24/12

Note(s)

  1. In groups A61L 24/02-A61L 24/12, in the absence of an indication to the contrary, classification is made in the last appropriate place. [7]
  2. When classifying in group A61L 24/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]
 A61L 24/02
·  containing inorganic materials  [7]
 A61L 24/04
·  containing macromolecular materials  [7]
 A61L 24/06
·  ·  obtained by reactions only involving carbon-to-carbon unsaturated bonds  [7]
 A61L 24/08
·  ·  Polysaccharides  [7]
 A61L 24/10
·  ·  Polypeptides; Proteins  [7]
 A61L 24/12
·  ·  Ionomer cements, e.g. glass-ionomer cements  [7]
 A61L 25/00
( transferred to A61L 24/00, A61L 26/00, A61L 28/00 )
 A61L 26/00
Chemical aspects of, or use of materials for, liquid bandages  [7]
 A61L 26/00

Note(s)

When classifying in group A61L 26/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]

 A61L 27/00
Materials for prostheses or for coating prostheses (dental prostheses A61C 13/00; shape or structure of prostheses A61F 2/00; use of preparations for artificial teeth A61K 6/02; artificial kidneys A61M 1/14)  [4]
 A61L 27/02 - 
A61L 27/48

Note(s)

  1. In groups A61L 27/02-A61L 27/48, in the absence of an indication to the contrary, classification is made in the last appropriate place. [7]
  2. When classifying in groups A61L 27/02-A61L 27/48, classification is also made in groups A61L 27/50-A61L 27/60 if the use of materials characterised by their function or physical properties is of interest. [7]
  3. When classifying in group A61L 27/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]
 A61L 27/02
·  Inorganic materials  [7]
 A61L 27/04
·  ·  Metals or alloys  [7]
 A61L 27/06
·  ·  ·  Titanium or titanium alloys  [7]
 A61L 27/08
·  ·  Carbon  [7]
 A61L 27/10
·  ·  Ceramics or glasses  [7]
 A61L 27/12
·  ·  Phosphorus-containing materials, e.g. apatite  [7]
 A61L 27/14
·  Macromolecular materials  [7]
 A61L 27/16
·  ·  obtained by reactions only involving carbon-to-carbon unsaturated bonds  [7]
 A61L 27/18
·  ·  obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds  [7]
 A61L 27/20
·  ·  Polysaccharides  [7]
 A61L 27/22
·  ·  Polypeptides or derivatives thereof  [7]
 A61L 27/24
·  ·  ·  Collagen  [7]
 A61L 27/26
·  ·  Mixtures of macromolecular materials  [7]
 A61L 27/28
·  Materials for coating prostheses  [7]
 A61L 27/30
·  ·  Inorganic materials  [7]
 A61L 27/32
·  ·  ·  Phosphorus-containing materials, e.g. apatite  [7]
 A61L 27/34
·  ·  Macromolecular materials  [7]
 A61L 27/36
·  containing ingredients of undetermined constitution or reaction products thereof  [7]
 A61L 27/38
·  ·  Animal cells (for use in artificial skin A61L 27/60)  [7]
 A61L 27/40
·  Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material  [7]
 A61L 27/42
·  ·  having an inorganic matrix  [7]
 A61L 27/44
·  ·  having a macromolecular matrix  [7]
 A61L 27/46
·  ·  ·  with phosphorus-containing inorganic fillers  [7]
 A61L 27/48
·  ·  ·  with macromolecular fillers  [7]
 A61L 27/50
·  Materials characterised by their function or physical properties  [7]
 A61L 27/52
·  ·  Hydrogels or hydrocolloids  [7]
 A61L 27/54
·  ·  Biologically active materials, e.g. therapeutic substances  [7]
 A61L 27/56
·  ·  Porous or cellular materials  [7]
 A61L 27/58
·  ·  Materials at least partially resorbable by the body  [7]
 A61L 27/60
·  ·  Materials for use in artificial skin  [7]
 A61L 28/00
Materials for colostomy devices (adhesives for colostomy devices A61L 24/00)  [7]
 A61L 28/00

Note(s)

When classifying in group A61L 28/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]

 A61L 29/00
Materials for catheters or for coating catheters (shape or structure of catheters A61M 25/00)  [4]
 A61L 29/02 - 
A61L 29/12

Note(s)

  1. In groups A61L 29/02-A61L 29/12, in the absence of an indication to the contrary, classification is made in the last appropriate place. [7]
  2. When classifying in groups A61L 29/02-A61L 29/12, classification is also made in groups A61L 29/14-A61L 29/18 if the use of materials characterised by their function or physical properties is of interest. [7]
  3. When classifying in group A61L 29/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]
 A61L 29/02
·  Inorganic materials  [7]
 A61L 29/04
·  Macromolecular materials  [7]
 A61L 29/06
·  ·  obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds  [7]
 A61L 29/08
·  Materials for coatings  [7]
 A61L 29/10
·  ·  Inorganic materials  [7]
 A61L 29/12
·  Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material  [7]
 A61L 29/14
·  Materials characterised by their function or physical properties  [7]
 A61L 29/16
·  ·  Biologically active materials, e.g. therapeutic substances  [7]
 A61L 29/18
·  ·  Materials at least partially X-ray or laser opaque  [7]
 A61L 31/00
Materials for other surgical articles  [4]
 A61L 31/02 - 
A61L 31/12

Note(s)

  1. In groups A61L 31/02-A61L 31/12, in the absence of an indication to the contrary, classification is made in the last appropriate place. [7]
  2. When classifying in groups A61L 31/02-A61L 31/12, classification is also made in groups A61L 31/14-A61L 31/18 if the use of materials characterised by their function or physical properties is of interest. [7]
  3. When classifying in group A61L 31/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]
 A61L 31/02
·  Inorganic materials  [7]
 A61L 31/04
·  Macromolecular materials  [7]
 A61L 31/06
·  ·  obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds  [7]
 A61L 31/08
·  Materials for coatings  [7]
 A61L 31/10
·  ·  Macromolecular materials  [7]
 A61L 31/12
·  Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material  [7]
 A61L 31/14
·  Materials characterised by their function or physical properties  [7]
 A61L 31/16
·  ·  Biologically active materials, e.g. therapeutic substances  [7]
 A61L 31/18
·  ·  Materials at least partially X-ray or laser opaque  [7]
 A61L 33/00
Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment  [4,7]
 A61L 33/02 - 
A61L 33/18

Note(s)

In groups A61L 33/02-A61L 33/18, in the absence of an indication to the contrary, classification is made in the last appropriate place. [7]

 A61L 33/02
·  Use of inorganic materials  [7]
 A61L 33/04
·  Use of organic materials, e.g. acetylsalicylic acid  [7]
 A61L 33/06
·  Use of macromolecular materials  [7]
 A61L 33/08
·  ·  Polysaccharides  [7]
 A61L 33/10
·  ·  ·  Heparin, heparinoid or derivatives thereof  [7]
 A61L 33/12
·  ·  Polypeptides, proteins or derivatives thereof  [7]
 A61L 33/14
·  Use of fibrinolytic agents or platelet aggregation inhibitors  [7]
 A61L 33/16
·  Use of enzymes, e.g. urokinase, streptokinase  [7]
 A61L 33/18
·  Use of ingredients of undertermined constitution or reaction products thereof  [7]
 A61L 101/00
Indexing scheme associated with groups A61L 2/00-A61L 12/00, relating to the chemical composition of the materials used in disinfecting, sterilising or deodorising. The indexing codes should be unlinked.  [7]
 A61L 101/00 - 
A61L 101/00

Note(s)

Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [7]

 A61L 101/00
Chemical composition of materials used in disinfecting, sterilising or deodorising  [7]
 A61L 101/02
·  Inorganic materials  [7]
 A61L 101/04
·  ·  Elemental carbon, e.g. active charcoal  [7]
 A61L 101/06
·  ·  containing halogen  [7]
 A61L 101/08
·  ·  ·  Elemental halogen  [7]
 A61L 101/10
·  ·  Ozone  [7]
 A61L 101/12
·  ·  containing silicon  [7]
 A61L 101/14
·  ·  containing sulfur  [7]
 A61L 101/16
·  ·  containing phosphorus  [7]
 A61L 101/18
·  ·  Ammonia  [7]
 A61L 101/20
·  ·  Acids  [7]
 A61L 101/22
·  ·  Peroxides  [7]
 A61L 101/24
·  ·  containing aluminium  [7]
 A61L 101/26
·  ·  containing copper  [7]
 A61L 101/28
·  ·  containing iron  [7]
 A61L 101/30
·  ·  containing zinc  [7]
 A61L 101/32
·  Organic compounds  [7]
 A61L 101/34
·  ·  Hydroxy compounds  [7]
 A61L 101/36
·  ·  Carboxylic acids or derivatives thereof  [7]
 A61L 101/38
·  ·  Ethers  [7]
 A61L 101/40
·  ·  containing sulfur  [7]
 A61L 101/42
·  ·  Organo-metallic compounds or complexes  [7]
 A61L 101/44
·  ·  Heterocyclic compounds  [7]
 A61L 101/46
·  ·  Macromolecular compounds  [7]
 A61L 101/48
·  ·  ·  obtained by reactions only involving carbon-to-carbon unsaturated bonds  [7]
 A61L 101/50
·  ·  ·  Polysaccharides or derivatives thereof  [7]
 A61L 101/52
·  Micro-organisms or substances produced by or extracted from micro-organisms  [7]
 A61L 101/54
·  Enzymes  [7]
 A61L 101/56
·  Plant extracts or vegetable products of undetermined chemical constitution, e.g. plant fibre  [7]