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 12/00
Disinfection or sterilising
P:120 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 21/14; 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 2/04
·  ·  Heat (A61L 2/08 takes precedence)  [3]
 A61L 2/08
·  ·  Radiation  [3]
 A61L 2/10
·  ·  ·  Ultra-violet radiation  [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 2/26
·  Accessories  [3]
P:100 A61L 9/00
Disinfection, sterilisation or deodorisation of air (body deodorants A61K 8/00, A61Q 15/00; 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 9/015
·  using gaseous or vaporous substances, e.g. ozone (A61L 9/18 takes precedence)  [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 (A61L 9/22 takes precedence)  [3]
 A61L 9/22
·  ·  Ionisation  [3]
P:110 A61L 11/00
Methods specially adapted for refuse
P:90 A61L 12/00
Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor  [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
P:50 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 36/00)
 A61L 15/16
·  Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons  [5]
P:10 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 17/00

Note(s)

When classifying in group A61L 17/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]

P:60 A61L 24/00
Surgical adhesives or cements; Adhesives for colostomy devices (electrically conductive adhesives for use in therapy or testing in vivo A61K 50/00)  [7]
 A61L 24/00

Note(s)

When classifying in group A61L 24/00, classification is also made in group A61L 33/00 if the materials used are antithrombogenic. [7]

P:40 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]

P:20 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 27/00

Note(s)

When classifying in group A61L 27/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]

P:70 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]

P:30 A61L 29/00
Materials for catheters or for coating catheters (shape or structure of catheters A61M 25/00)  [4]
 A61L 29/00

Note(s)

When classifying in group A61L 29/00, classification is also made in A61L 33/00 if the materials used are antithrombogenic. [7]

P:80 A61L 31/00
Materials for other surgical articles  [4]
 A61L 31/00

Note(s)

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 - 
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 group A61L 31/14 if the use of materials characterised by their function or physical properties is of interest.  [7]
 A61L 31/02
·  Inorganic materials  [7]
 A61L 31/04
·  Macromolecular materials  [7]
 A61L 31/08
·  Materials for coatings  [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]
P:0 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]