A61L2/00	7	Disinfection or sterilisation of materials or objects, in general; Accessories therefor<br><br><u>NOTE</u><br><br>In this group, it is desirable to add the indexing codes of group A61L2103/00.	A61L2/00	A61L2/00		1612
A61L2/02	8	using physical processes	A61L2/02	A61L2/02		903
A61L2/022	9	Filtration	A61L2/022	A61L2/022		414
A61L2/025	9	Ultrasonic waves	A61L2/025	A61L2/025		822
A61L2/03	9	Electric current	A61L2/03	A61L2/03		410
A61L2/035	10	Electrolysis	A61L2/035	A61L2/035		525
A61L2/04	9	Heat (radiation A61L2/08)	A61L2/04	A61L2/04		4842
A61L2/06	10	Hot gas	A61L2/06	A61L2/06		1938
A61L2/07	11	Steam	A61L2/07	A61L2/07		6079
A61L2/08	9	Radiation	A61L2/08	A61L2/08		3153
A61L2/081	10	Gamma radiation	A61L2/081	A61L2/081		424
A61L2/082	10	X-rays	A61L2/082	A61L2/082		202
A61L2/084	10	Visible light	A61L2/084	A61L2/084		575
A61L2/085	10	Infrared radiation	A61L2/085	A61L2/085		940
A61L2/087	10	Particle radiation, e.g. electron-beam, alpha or beta radiation	A61L2/087	A61L2/087		678
A61L2/088	10	using photocatalysts or photosensitisers	A61L2/088	A61L2/088		809
A61L2/10	10	Ultraviolet [UV] radiation<br><br><u>WARNING</u><br>Group A61L2/10 is impacted by reclassification into groups A61L2/101, A61L2/102, A61L2/104 and A61L2/108. <br>All groups listed in this Warning should be considered in order to perform a complete search.	A61L2/10	A61L2/10		27944
A61L2/101	11	Ultraviolet A [UVA]<br><br><u>WARNING</u><br>Group A61L2/101 is incomplete pending reclassification of documents from group A61L2/10. <br>Groups A61L2/10 and A61L2/101 should be considered in order to perform a complete search.	A61L2/101	A61L2/101		
A61L2/102	11	Ultraviolet B [UVB]<br><br><u>WARNING</u><br>Group A61L2/102 is incomplete pending reclassification of documents from group A61L2/10. <br>Groups A61L2/10 and A61L2/102 should be considered in order to perform a complete search.	A61L2/102	A61L2/102		
A61L2/104	11	Ultraviolet C [UVC]<br><br><u>WARNING</u><br>Group A61L2/104 is incomplete pending reclassification of documents from group A61L2/10. <br>Groups A61L2/10 and A61L2/104 should be considered in order to perform a complete search.	A61L2/104	A61L2/104		
A61L2/108	11	Multiple UV ranges in combination<br><br><u>WARNING</u><br>Group A61L2/108 is incomplete pending reclassification of documents from group A61L2/10. <br>Groups A61L2/10 and A61L2/108 should be considered in order to perform a complete search.	A61L2/108	A61L2/108		
A61L2/12	10	Microwaves	A61L2/12	A61L2/12		863
A61L2/14	9	Plasma, i.e. ionised gases	A61L2/14	A61L2/14		2810
A61L2/16	8	using chemical substances	A61L2/16	A61L2/16		1779
A61L2/18	9	Liquid substances	A61L2/18	A61L2/18		17727
A61L2/183	10	Ozone dissolved in a liquid	A61L2/183	A61L2/183		913
A61L2/186	10	Peroxide solutions	A61L2/186	A61L2/186		1330
A61L2/20	9	Gaseous substances, e.g. vapours	A61L2/20	A61L2/20		3194
A61L2/202	10	Ozone	A61L2/202	A61L2/202		4111
A61L2/204	10	Formaldehyde	A61L2/204	A61L2/204		328
A61L2/206	10	Ethylene oxide	A61L2/206	A61L2/206		898
A61L2/208	10	Hydrogen peroxide	A61L2/208	A61L2/208		1537
A61L2/22	9	Phase substances, e.g. smokes or aerosols	A61L2/22	A61L2/22		7406
A61L2/23	9	Solid materials, e.g. granules, powders, blocks or tablets	A61L2/23	A61L2/23		730
A61L2/232	10	layered or coated	A61L2/232	A61L2/232		849
A61L2/235	10	cellular, porous or foamed	A61L2/235	A61L2/235		229
A61L2/238	10	Metals or alloys, e.g. oligodynamic metals	A61L2/238	A61L2/238		961
A61L2/24	8	Apparatus using programmed or automatic operation	A61L2/24	A61L2/24		12784
A61L2/26	8	Accessories	A61L2/26	A61L2/26		22077
A61L2/28	9	Devices for testing the effectiveness or completeness of sterilisation or disinfection, e.g. indicators which change colour	A61L2/28	A61L2/28		1888
A61L9/00	7	Disinfection, 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&#160;-&#160;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)	A61L9/00	A61L9/00		2439
A61L9/01	8	Deodorant compositions {(compositions released by contact with a liquid A61L9/05)}	A61L9/01	A61L9/01		4778
A61L9/012	9	characterised by being in a special form, e.g. gels, emulsions {(A61L9/048 takes precedence)}	A61L9/012	A61L9/012		1766
A61L9/013	9	containing animal or plant extracts, or vegetable material	A61L9/013	A61L9/013		3670
A61L9/014	9	containing sorbent material, e.g. activated carbon	A61L9/014	A61L9/014		2833
A61L9/015	8	using gaseous or vaporous substances, e.g. ozone (A61L9/20 takes precedence {; evaporation in general B01B1/005})	A61L9/015	A61L9/015		2468
A61L9/02	9	using substances evaporated in the air by heating or combustion	A61L9/02	A61L9/02		629
A61L9/03	10	Apparatus therefor	A61L9/03	A61L9/03		2552
A61L9/032	11	{comprising a fan}	A61L9/03	A61L9/03		460
A61L9/035	11	{emanating multiple odours}	A61L9/03	A61L9/03		373
A61L9/037	11	{comprising a wick}	A61L9/03	A61L9/03		677
A61L9/04	9	using substances evaporated in the air without heating	A61L9/04	A61L9/04		1408
A61L9/042	10	{with the help of a macromolecular compound as a carrier or diluent (A61L9/048 takes precedence)}	A61L9/04	A61L9/04		985
A61L9/044	10	{with the help of an organic compound other than a macromolecular compound}	A61L9/04	A61L9/04		210
A61L9/046	10	{with the help of a non-organic compound}	A61L9/04	A61L9/04		376
A61L9/048	10	{air treating gels}	A61L9/04	A61L9/04		509
A61L9/05	10	specially adapted to be released by contact with a liquid, e.g. for toilets	A61L9/05	A61L9/05		374
A61L9/12	10	Apparatus, e.g. holders, therefor	A61L9/12	A61L9/12		5793
A61L9/122	11	{comprising a fan}	A61L9/12	A61L9/12		2229
A61L9/125	11	{emanating multiple odours}	A61L9/12	A61L9/12		767
A61L9/127	11	{comprising a wick}	A61L9/12	A61L9/12		1160
A61L9/14	8	using sprayed or atomised substances {including air-liquid contact processes}	A61L9/14	A61L9/14		5739
A61L9/145	9	{air-liquid contact processes, e.g. scrubbing}	A61L9/14	A61L9/14		1600
A61L9/16	8	using physical phenomena	A61L9/16	A61L9/16		2890
A61L9/18	9	Radiation (A61L9/22 takes precedence)	A61L9/18	A61L9/18		1320
A61L9/20	10	Ultraviolet radiation	A61L9/20	A61L9/20		8232
A61L9/205	11	{using a photocatalyst or photosensitiser}	A61L9/20	A61L9/20		3053
A61L9/22	9	Ionisation	A61L9/22	A61L9/22		5731
A61L11/00	7	Methods specially adapted for refuse {(disintegrating medical waste B02C19/0075; disposal of medical waste B09B3/00)}	A61L11/00	A61L11/00		3048
A61L12/00	7	Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor	A61L12/00	A61L12/00		65
A61L12/02	8	using physical phenomena, e.g. electricity, ultrasound or ultrafiltration	A61L12/02	A61L12/02		42
A61L12/023	9	{Electrolysis}	A61L12/02	A61L12/02		46
A61L12/026	9	{Ultrasounds}	A61L12/02	A61L12/02		45
A61L12/04	9	Heat (A61L12/06 takes precedence)	A61L12/04	A61L12/04		136
A61L12/06	9	Radiation, e.g. ultraviolet or microwaves	A61L12/06	A61L12/06		33
A61L12/063	10	{Ultraviolet radiation}	A61L12/06	A61L12/06		94
A61L12/066	10	{Microwaves}	A61L12/06	A61L12/06		14
A61L12/08	8	using chemical substances	A61L12/08	A61L12/08		220
A61L12/082	9	{in combination with specific enzymes}	A61L12/08	A61L12/08		64
A61L12/084	9	{in a gaseous state}	A61L12/08	A61L12/08		13
A61L12/086	9	{Container, accessories or devices therefor}	A61L12/08	A61L12/08		218
A61L12/088	9	{Heavy metals}	A61L12/08	A61L12/08		46
A61L12/10	9	Halogens or compounds thereof	A61L12/10	A61L12/10		46
A61L12/102	10	{Chlorine dioxide (ClO2)}	A61L12/10	A61L12/10		53
A61L12/105	10	{Iodine, iodides or iodophores}	A61L12/10	A61L12/10		20
A61L12/107	10	{Hypohalites; Active halogens}	A61L12/10	A61L12/10		32
A61L12/12	9	Non-macromolecular oxygen-containing compounds, e.g. hydrogen peroxide or ozone (A61L12/10 takes precedence)	A61L12/12	A61L12/12		50
A61L12/122	10	{Ozone}	A61L12/12	A61L12/12		26
A61L12/124	10	{Hydrogen peroxide; Peroxy compounds}	A61L12/12	A61L12/12		166
A61L12/126	11	{neutralised with catalase or peroxidase}	A61L12/12	A61L12/12		68
A61L12/128	11	{neutralised with catalysts}	A61L12/12	A61L12/12		84
A61L12/14	9	Organic compounds not covered by groups A61L12/10 or A61L12/12	A61L12/14	A61L12/14		217
A61L12/141	10	{Biguanides, e.g. chlorhexidine}	A61L12/14	A61L12/14		105
A61L12/142	11	{Polymeric biguanides}	A61L12/14	A61L12/14		133
A61L12/143	10	{Quaternary ammonium compounds}	A61L12/14	A61L12/14		91
A61L12/145	11	{Polymeric quaternary ammonium compounds}	A61L12/14	A61L12/14		109
A61L12/146	10	{Aldehydes}	A61L12/14	A61L12/14		4
A61L12/147	10	{Alcohols or derivatives thereof (aldehydes A61L12/146)}	A61L12/14	A61L12/14		35
A61L12/148	10	{Mercury containing compounds, e.g. thimerosal}	A61L12/14	A61L12/14		20
A61L15/00	7	Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads (for liquid bandages A61L26/00; radioactive dressings {A61N5/1029})<br><br><u>NOTE</u><br><br> 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.<br> When classifying in groups A61L15/08&#160;-&#160;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. <br>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.<br>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.	A61L15/00	A61L15/00		254
A61L15/07	8	Stiffening bandages	A61L15/07	A61L15/07		256
A61L15/08	9	containing inorganic materials, e.g. plaster of Paris	A61L15/08	A61L15/08		231
A61L15/10	9	containing organic materials	A61L15/10	A61L15/10		81
A61L15/12	9	containing macromolecular materials<br><br><u>NOTE</u><br><br> 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	A61L15/12	A61L15/12		465
A61L15/125	10	{Mixtures of macromolecular compounds}	A61L15/12	A61L15/12		102
A61L15/14	9	Use of materials characterised by their function or physical properties	A61L15/14	A61L15/14		213
A61L15/16	8	Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons	A61L15/16	A61L15/16		229
A61L15/18	9	containing inorganic materials	A61L15/18	A61L15/18		3310
A61L15/20	9	containing organic materials	A61L15/20	A61L15/20		2366
A61L15/22	9	containing macromolecular materials<br><br><u>NOTE</u><br><br> In groups A61L15/22&#160;-&#160;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	A61L15/22	A61L15/22		683
A61L15/225	10	{Mixtures of macromolecular compounds}	A61L15/22	A61L15/22		1363
A61L15/24	10	Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof {(A61L15/225 takes precedence)}	A61L15/24	A61L15/24		2781
A61L15/26	10	Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof {(A61L15/225 takes precedence)}	A61L15/26	A61L15/26		3257
A61L15/28	10	Polysaccharides or their derivatives {(A61L15/225 takes precedence)}	A61L15/28	A61L15/28		4599
A61L15/30	10	Rubbers or their derivatives {(A61L15/225 takes precedence)}	A61L15/30	A61L15/30		83
A61L15/32	10	Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin {(A61L15/225 takes precedence)}	A61L15/32	A61L15/32		1560
A61L15/325	11	{Collagen}	A61L15/32	A61L15/32		1014
A61L15/34	10	Oils, fats, waxes or natural resins {(A61L15/225 takes precedence)}	A61L15/34	A61L15/34		467
A61L15/36	9	containing microorganisms	A61L15/36	A61L15/36		173
A61L15/38	9	containing enzymes	A61L15/38	A61L15/38		273
A61L15/40	9	containing ingredients of undetermined constitution or reaction products thereof {, e.g. plant or animal extracts}	A61L15/40	A61L15/40		2582
A61L15/42	9	Use of materials characterised by their function or physical properties (liquid bandages A61L26/00)	A61L15/42	A61L15/42		3394
A61L15/425	10	{Porous materials, e.g. foams or sponges}	A61L15/42	A61L15/42		2526
A61L15/44	10	Medicaments	A61L15/44	A61L15/44		5566
A61L15/46	10	Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria	A61L15/46	A61L15/46		5323
A61L15/48	10	Surfactants	A61L15/48	A61L15/48		370
A61L15/50	10	Lubricants; Anti-adhesive agents	A61L15/50	A61L15/50		177
A61L15/52	10	Water-repellants	A61L15/52	A61L15/52		128
A61L15/54	10	Radio-opaque materials	A61L15/54	A61L15/54		62
A61L15/56	10	Wetness-indicators or colourants	A61L15/56	A61L15/56		347
A61L15/58	10	Adhesives	A61L15/58	A61L15/58		1777
A61L15/585	11	{Mixtures of macromolecular compounds}	A61L15/58	A61L15/58		519
A61L15/60	10	Liquid-swellable gel-forming materials, e.g. super-absorbents	A61L15/60	A61L15/60		3559
A61L15/62	10	{Compostable,} hydrosoluble or hydrodegradable materials	A61L15/62	A61L15/62		801
A61L15/64	10	specially adapted to be resorbable inside the body	A61L15/64	A61L15/64		599
A61L17/00	7	Materials 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)}<br><br><u>NOTE</u><br><br> 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.<br><br> When classifying in group A61L17/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. 	A61L17/00	A61L17/00		233
A61L17/005	8	{containing a biologically active substance, e.g. a medicament or a biocide}	A61L17/00	A61L17/00		740
A61L17/04	8	Non-resorbable materials	A61L17/04	A61L17/04		271
A61L17/06	8	At least partially resorbable materials	A61L17/06	A61L17/06		243
A61L17/08	9	of animal origin, e.g. catgut, collagen	A61L17/08	A61L17/08		465
A61L17/10	9	containing macromolecular materials	A61L17/10	A61L17/10		666
A61L17/105	10	{Polyesters not covered by A61L17/12}	A61L17/10	A61L17/10		306
A61L17/12	10	Homopolymers or copolymers of glycolic acid or lactic acid	A61L17/12	A61L17/12		545
A61L17/14	8	Post-treatment to improve physical properties	A61L17/14	A61L17/14		268
A61L17/145	9	{Coating}	A61L17/14	A61L17/14		624
A61L24/00	7	Surgical adhesives or cements; Adhesives for colostomy devices<br><br><u>NOTE</u><br><br>  In groups A61L24/00&#160;-&#160;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<br> 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.<br> When classifying in group A61L24/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. 	A61L24/00	A61L24/00		312
A61L24/0005	8	{Ingredients of undetermined constitution or reaction products thereof}	A61L24/00	A61L24/00		547
A61L24/001	8	{Use of materials characterised by their function or physical properties}	A61L24/00	A61L24/00		1942
A61L24/0015	9	{Medicaments; Biocides}	A61L24/00	A61L24/00		2401
A61L24/0021	9	{Plasticisers}	A61L24/00	A61L24/00		64
A61L24/0026	9	{Sprayable compositions}	A61L24/00	A61L24/00		79
A61L24/0031	9	{Hydrogels or hydrocolloids}	A61L24/00	A61L24/00		1255
A61L24/0036	9	{Porous materials, e.g. foams or sponges}	A61L24/00	A61L24/00		1067
A61L24/0042	9	{Materials resorbable by the body}	A61L24/00	A61L24/00		1273
A61L24/0047	8	{Composite materials, i.e. containing one material dispersed in a matrix of the same or different material}	A61L24/00	A61L24/00		25
A61L24/0052	9	{with an inorganic matrix}	A61L24/00	A61L24/00		10
A61L24/0057	10	{Carbon}	A61L24/00	A61L24/00		3
A61L24/0063	10	{Phosphorus containing materials, e.g. apatite}	A61L24/00	A61L24/00		110
A61L24/0068	10	{Inorganic materials not covered by groups A61L24/0057 or A61L24/0063}	A61L24/00	A61L24/00		49
A61L24/0073	9	{with a macromolecular matrix}	A61L24/00	A61L24/00		104
A61L24/0078	10	{containing fillers of carbon}	A61L24/00	A61L24/00		12
A61L24/0084	10	{containing fillers of phosphorus-containing inorganic compounds, e.g. apatite}	A61L24/00	A61L24/00		229
A61L24/0089	10	{containing inorganic fillers not covered by groups A61L24/0078 or A61L24/0084}	A61L24/00	A61L24/00		241
A61L24/0094	10	{containing macromolecular fillers}	A61L24/00	A61L24/00		216
A61L24/02	8	containing inorganic materials	A61L24/02	A61L24/02		1259
A61L24/04	8	containing macromolecular materials	A61L24/04	A61L24/04		260
A61L24/043	9	{Mixtures of macromolecular materials}	A61L24/04	A61L24/04		1012
A61L24/046	9	{obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds (A61L24/043 takes precedence)}	A61L24/04	A61L24/04		1361
A61L24/06	9	obtained by reactions only involving carbon-to-carbon unsaturated bonds {(A61L24/043, A61L24/046 take precedence)}	A61L24/06	A61L24/06		1478
A61L24/08	9	Polysaccharides {(A61L24/043 takes precedence)}	A61L24/08	A61L24/08		1722
A61L24/10	9	Polypeptides; Proteins {(A61L24/043 takes precedence)}	A61L24/10	A61L24/10		207
A61L24/102	10	{Collagen}	A61L24/10	A61L24/10		417
A61L24/104	10	{Gelatin}	A61L24/10	A61L24/10		514
A61L24/106	10	{Fibrin; Fibrinogen}	A61L24/10	A61L24/10		462
A61L24/108	10	{Specific proteins or polypeptides not covered by groups A61L24/102&#160;-&#160;A61L24/106}	A61L24/10	A61L24/10		567
A61L24/12	9	Ionomer cements, e.g. glass-ionomer cements {(A61L24/043 takes precedence)}	A61L24/12	A61L24/12		35
A61L26/00	7	Chemical aspects of, or use of materials for, {wound dressings or} bandages {in liquid, gel or powder form}<br><br><u>NOTE</u><br><br> When classifying in group A61L26/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. <br> In groups A61L26/00&#160;-&#160;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	A61L26/00	A61L26/00		295
A61L26/0004	8	{containing inorganic materials}	A61L26/00	A61L26/00		1234
A61L26/0009	8	{containing macromolecular materials}	A61L26/00	A61L26/00		91
A61L26/0014	9	{obtained by reactions only involving carbon-to-carbon unsaturated bonds}	A61L26/00	A61L26/00		1235
A61L26/0019	9	{obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds}	A61L26/00	A61L26/00		1211
A61L26/0023	9	{Polysaccharides}	A61L26/00	A61L26/00		2534
A61L26/0028	9	{Polypeptides; Proteins; Degradation products thereof}	A61L26/00	A61L26/00		130
A61L26/0033	10	{Collagen}	A61L26/00	A61L26/00		513
A61L26/0038	10	{Gelatin}	A61L26/00	A61L26/00		456
A61L26/0042	10	{Fibrin; Fibrinogen}	A61L26/00	A61L26/00		139
A61L26/0047	10	{Specific proteins or polypeptides not covered by groups A61L26/0033&#160;-&#160;A61L26/0042}	A61L26/00	A61L26/00		684
A61L26/0052	9	{Mixtures of macromolecular compounds}	A61L26/00	A61L26/00		699
A61L26/0057	8	{Ingredients of undetermined constitution or reaction products thereof}	A61L26/00	A61L26/00		924
A61L26/0061	8	{Use of materials characterised by their function or physical properties}	A61L26/00	A61L26/00		1262
A61L26/0066	9	{Medicaments; Biocides}	A61L26/00	A61L26/00		3750
A61L26/0071	9	{Plasticisers}	A61L26/00	A61L26/00		69
A61L26/0076	9	{Sprayable compositions}	A61L26/00	A61L26/00		370
A61L26/008	9	{Hydrogels or hydrocolloids}	A61L26/00	A61L26/00		3185
A61L26/0085	9	{Porous materials, e.g. foams or sponges}	A61L26/00	A61L26/00		678
A61L26/009	9	{Materials resorbable by the body}	A61L26/00	A61L26/00		633
A61L26/0095	8	{Composite materials, i.e. containing one material dispersed in a matrix of the same or different material}	A61L26/00	A61L26/00		317
A61L27/00	7	Materials 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)<br><br><u>NOTE</u><br><br> 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.<br> 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.<br><br> When classifying in group A61L27/00, classification is also made in A61L33/00 if the materials used are antithrombogenic <br> 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	A61L27/00	A61L27/00		623
A61L27/02	8	Inorganic materials	A61L27/02	A61L27/02		309
A61L27/025	9	{Other specific inorganic materials not covered by A61L27/04&#160;-&#160;A61L27/12}	A61L27/02	A61L27/02		1962
A61L27/04	9	Metals or alloys	A61L27/04	A61L27/04		1032
A61L27/042	10	{Iron or iron alloys}	A61L27/04	A61L27/04		275
A61L27/045	10	{Cobalt or cobalt alloys}	A61L27/04	A61L27/04		270
A61L27/047	10	{Other specific metals or alloys not covered by A61L27/042&#160;-&#160;A61L27/045 or A61L27/06}	A61L27/04	A61L27/04		1805
A61L27/06	10	Titanium or titanium alloys	A61L27/06	A61L27/06		2736
A61L27/08	9	Carbon {; Graphite}	A61L27/08	A61L27/08		662
A61L27/10	9	Ceramics or glasses	A61L27/10	A61L27/10		1835
A61L27/105	10	{containing Al2O3}	A61L27/10	A61L27/10		209
A61L27/12	9	Phosphorus-containing materials, e.g. apatite	A61L27/12	A61L27/12		4035
A61L27/14	8	Macromolecular materials	A61L27/14	A61L27/14		1410
A61L27/16	9	obtained by reactions only involving carbon-to-carbon unsaturated bonds	A61L27/16	A61L27/16		3556
A61L27/165	10	{Rubbers}	A61L27/16	A61L27/16		50
A61L27/18	9	obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds	A61L27/18	A61L27/18		8058
A61L27/20	9	Polysaccharides	A61L27/20	A61L27/20		5824
A61L27/22	9	Polypeptides or derivatives thereof {, e.g. degradation products}	A61L27/22	A61L27/22		689
A61L27/222	10	{Gelatin}	A61L27/22	A61L27/22		1855
A61L27/225	10	{Fibrin; Fibrinogen}	A61L27/22	A61L27/22		611
A61L27/227	10	{Other specific proteins or polypeptides not covered by A61L27/222, A61L27/225 or A61L27/24}	A61L27/22	A61L27/22		3216
A61L27/24	10	Collagen	A61L27/24	A61L27/24		4054
A61L27/26	9	Mixtures of macromolecular compounds	A61L27/26	A61L27/26		2464
A61L27/28	8	Materials for coating prostheses	A61L27/28	A61L27/28		989
A61L27/30	9	Inorganic materials	A61L27/30	A61L27/30		564
A61L27/303	10	{Carbon}	A61L27/30	A61L27/30		400
A61L27/306	10	{Other specific inorganic materials not covered by A61L27/303&#160;-&#160;A61L27/32}	A61L27/30	A61L27/30		2193
A61L27/32	10	Phosphorus-containing materials, e.g. apatite	A61L27/32	A61L27/32		1529
A61L27/34	9	Macromolecular materials	A61L27/34	A61L27/34		5206
A61L27/36	8	containing ingredients of undetermined constitution or reaction products thereof {, e.g. transplant tissue, natural bone, extracellular matrix (isolated natural compounds, e.g. collagen A61L27/24)}	A61L27/36	A61L27/36		761
A61L27/3604	9	{characterised 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}	A61L27/36	A61L27/36		2720
A61L27/3608	10	{Bone, e.g. demineralised bone matrix [DBM], bone powder}	A61L27/36	A61L27/36		1455
A61L27/3612	10	{Cartilage, synovial fluid}	A61L27/36	A61L27/36		398
A61L27/3616	10	{Blood, e.g. platelet-rich plasma}	A61L27/36	A61L27/36		444
A61L27/362	10	{Skin, e.g. dermal papillae}	A61L27/36	A61L27/36		512
A61L27/3625	10	{Vascular tissue, e.g. heart valves}	A61L27/36	A61L27/36		494
A61L27/3629	10	{Intestinal tissue, e.g. small intestinal submucosa}	A61L27/36	A61L27/36		387
A61L27/3633	10	{Extracellular matrix [ECM]}	A61L27/36	A61L27/36		1650
A61L27/3637	9	{characterised by the origin of the biological material other than human or animal, e.g. plant extracts, algae}	A61L27/36	A61L27/36		329
A61L27/3641	9	{characterised by the site of application in the body (materials for artificial blood vessels A61L27/507; materials for use in artificial skin A61L27/60)}	A61L27/36	A61L27/36		554
A61L27/3645	10	{Connective tissue}	A61L27/36	A61L27/36		225
A61L27/365	11	{Bones}	A61L27/36	A61L27/36		1164
A61L27/3654	11	{Cartilage, e.g. meniscus}	A61L27/36	A61L27/36		444
A61L27/3658	12	{Intervertebral discs (mechanical aspects and structures of intervertebral discs A61F2/442)}	A61L27/36	A61L27/36		99
A61L27/3662	11	{Ligaments, tendons}	A61L27/36	A61L27/36		183
A61L27/3666	10	{Epithelial tissues other than skin}	A61L27/36	A61L27/36		63
A61L27/367	10	{Muscle tissue, e.g. sphincter}	A61L27/36	A61L27/36		120
A61L27/3675	10	{Nerve tissue, e.g. brain, spinal cord, nerves, dura mater}	A61L27/36	A61L27/36		246
A61L27/3679	10	{Hollow organs, e.g. bladder, esophagus, urether, uterus, intestine}	A61L27/36	A61L27/36		154
A61L27/3683	9	{subjected 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}	A61L27/36	A61L27/36		1109
A61L27/3687	10	{characterised by the use of chemical agents in the treatment, e.g. specific enzymes, detergents, capping agents, crosslinkers, anticalcification agents}	A61L27/36	A61L27/36		2411
A61L27/3691	10	{characterised by physical conditions of the treatment, e.g. applying a compressive force to the composition, pressure cycles, ultrasonic/sonication or microwave treatment, lyophilisation}	A61L27/36	A61L27/36		1826
A61L27/3695	10	{characterised 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)}	A61L27/36	A61L27/36		223
A61L27/38	9	{containing added animal cells (organs or tissue containing native cells A61L27/36)}	A61L27/38	A61L27/38		1732
A61L27/3804	10	{characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells}	A61L27/38	A61L27/38		1809
A61L27/3808	11	{Endothelial cells}	A61L27/38	A61L27/38		543
A61L27/3813	11	{Epithelial cells, e.g. keratinocytes, urothelial cells}	A61L27/38	A61L27/38		505
A61L27/3817	11	{Cartilage-forming cells, e.g. pre-chondrocytes}	A61L27/38	A61L27/38		606
A61L27/3821	11	{Bone-forming cells, e.g. osteoblasts, osteocytes, osteoprogenitor cells}	A61L27/38	A61L27/38		404
A61L27/3826	11	{Muscle cells, e.g. smooth muscle cells}	A61L27/38	A61L27/38		373
A61L27/383	11	{Nerve cells, e.g. dendritic cells, Schwann cells}	A61L27/38	A61L27/38		306
A61L27/3834	11	{Cells able to produce different cell types, e.g. hematopoietic stem cells, mesenchymal stem cells, marrow stromal cells, embryonic stem cells}	A61L27/38	A61L27/38		2593
A61L27/3839	10	{characterised by the site of application in the body (materials for artificial blood vessels A61L27/507; materials for use in artificial skin A61L27/60)}	A61L27/38	A61L27/38		557
A61L27/3843	11	{Connective tissue}	A61L27/38	A61L27/38		190
A61L27/3847	12	{Bones}	A61L27/38	A61L27/38		653
A61L27/3852	12	{Cartilage, e.g. meniscus}	A61L27/38	A61L27/38		583
A61L27/3856	13	{Intervertebral discs (mechanical aspects and structures of intervertebral discs A61F2/442)}	A61L27/38	A61L27/38		105
A61L27/386	12	{Ligaments, tendons}	A61L27/38	A61L27/38		91
A61L27/3865	12	{Dental/periodontal tissues}	A61L27/38	A61L27/38		125
A61L27/3869	11	{Epithelial tissues other than skin}	A61L27/38	A61L27/38		62
A61L27/3873	11	{Muscle tissue, e.g. sphincter}	A61L27/38	A61L27/38		146
A61L27/3878	11	{Nerve tissue, brain, spinal cord, nerves, dura mater}	A61L27/38	A61L27/38		245
A61L27/3882	11	{Hollow organs, e.g. bladder, esophagus, urether, uterus}	A61L27/38	A61L27/38		145
A61L27/3886	10	{comprising two or more cell types}	A61L27/38	A61L27/38		435
A61L27/3891	11	{as distinct cell layers}	A61L27/38	A61L27/38		201
A61L27/3895	10	{using specific culture conditions, e.g. stimulating differentiation of stem cells, pulsatile flow conditions}	A61L27/38	A61L27/38		1063
A61L27/40	8	Composite materials, i.e. containing one material dispersed in a matrix of the same or different material	A61L27/40	A61L27/40		452
A61L27/42	9	having an inorganic matrix	A61L27/42	A61L27/42		134
A61L27/422	10	{of carbon}	A61L27/42	A61L27/42		52
A61L27/425	10	{of phosphorus containing material, e.g. apatite}	A61L27/42	A61L27/42		529
A61L27/427	10	{of other specific inorganic materials not covered by A61L27/422 or A61L27/425}	A61L27/42	A61L27/42		350
A61L27/44	9	having a macromolecular matrix	A61L27/44	A61L27/44		787
A61L27/443	10	{with carbon fillers}	A61L27/44	A61L27/44		288
A61L27/446	10	{with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46}	A61L27/44	A61L27/44		1302
A61L27/46	10	with phosphorus-containing inorganic fillers	A61L27/46	A61L27/46		1999
A61L27/48	10	with macromolecular fillers	A61L27/48	A61L27/48		1452
A61L27/50	8	Materials characterised by their function or physical properties {, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials}	A61L27/50	A61L27/50		10935
A61L27/502	9	{Plasticizers}	A61L27/50	A61L27/50		105
A61L27/505	9	{Stabilizers}	A61L27/50	A61L27/50		123
A61L27/507	9	{for artificial blood vessels (apparatus for applying cells on a blood vessel prosthesis A61F2/062)}	A61L27/50	A61L27/50		1786
A61L27/52	9	Hydrogels or hydrocolloids	A61L27/52	A61L27/52		6679
A61L27/54	9	Biologically active materials, e.g. therapeutic substances {(A61L27/227 takes precedence)}	A61L27/54	A61L27/54		14274
A61L27/56	9	Porous materials, {e.g. foams or sponges}	A61L27/56	A61L27/56		9541
A61L27/58	9	Materials at least partially resorbable by the body	A61L27/58	A61L27/58		7262
A61L27/60	9	Materials for use in artificial skin	A61L27/60	A61L27/60		1936
A61L28/00	7	Materials for colostomy devices (adhesives for colostomy devices A61L24/00)<br><br><u>NOTE</u><br><br> When classifying in group A61L28/00, classification is also made in A61L33/00 if the materials used are antithrombogenic. 	A61L28/00	A61L28/00		15
A61L28/0003	8	{containing inorganic materials}	A61L28/00	A61L28/00		17
A61L28/0007	8	{containing macromolecular materials}	A61L28/00	A61L28/00		14
A61L28/0011	9	{obtained by reactions only involving carbon-to-carbon unsaturated bonds}	A61L28/00	A61L28/00		37
A61L28/0015	9	{obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds}	A61L28/00	A61L28/00		31
A61L28/0019	9	{Polysaccharides}	A61L28/00	A61L28/00		29
A61L28/0023	9	{Polypeptides; Proteins; Degradation products thereof}	A61L28/00	A61L28/00		4
A61L28/0026	9	{Mixtures of macromolecular compounds}	A61L28/00	A61L28/00		43
A61L28/003	8	{Ingredients of undetermined constitution or reaction products thereof}	A61L28/00	A61L28/00		9
A61L28/0034	8	{Use of materials characterised by their function or physical properties}	A61L28/00	A61L28/00		37
A61L28/0038	9	{Medicaments; Biocides}	A61L28/00	A61L28/00		26
A61L28/0042	9	{Plasticisers}	A61L28/00	A61L28/00		2
A61L28/0046	9	{Sprayable compositions}	A61L28/00	A61L28/00		1
A61L28/0049	9	{Hydrogels or hydrocolloids}	A61L28/00	A61L28/00		18
A61L28/0053	9	{Porous materials, e.g. foams or sponges}	A61L28/00	A61L28/00		15
A61L28/0057	9	{Materials resorbable by the body}	A61L28/00	A61L28/00		8
A61L28/0061	8	{Materials for coating}	A61L28/00	A61L28/00		4
A61L28/0065	9	{Inorganic materials}	A61L28/00	A61L28/00		4
A61L28/0069	9	{Macromolecular materials}	A61L28/00	A61L28/00		24
A61L28/0073	8	{Composite materials, i.e. containing one material dispersed in a matrix of the same or different material}	A61L28/00	A61L28/00		4
A61L28/0076	9	{with an inorganic matrix}	A61L28/00	A61L28/00		
A61L28/008	9	{with a macromolecular matrix}	A61L28/00	A61L28/00		6
A61L28/0084	10	{containing fillers of carbon}	A61L28/00	A61L28/00		
A61L28/0088	10	{containing fillers of phosphorus-containing inorganic compounds}	A61L28/00	A61L28/00		
A61L28/0092	10	{containing inorganic fillers not covered by groups A61L28/0084 or A61L28/0088}	A61L28/00	A61L28/00		8
A61L28/0096	10	{containing macromolecular fillers}	A61L28/00	A61L28/00		8
A61L29/00	7	Materials for catheters, {medical tubing, cannulae, or endoscopes} or for coating catheters (shape or structure of catheters A61M25/00)<br><br><u>NOTE</u><br><br> 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.<br> When classifying in groups A61L29/02&#160;-&#160;A61L29/126 , classification is also made in groups A61L29/14&#160;-&#160;A61L29/18 if the use of materials characterised by their function or physical properties is of interest. <br> When classifying in group A61L29/00, classification is also made in A61L33/00 if the materials used are antithrombogenic <br> 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	A61L29/00	A61L29/00		65
A61L29/005	8	{Ingredients of undetermined constitution or reaction products thereof}	A61L29/00	A61L29/00		91
A61L29/02	8	Inorganic materials	A61L29/02	A61L29/02		525
A61L29/04	8	Macromolecular materials	A61L29/04	A61L29/04		301
A61L29/041	9	{obtained by reactions only involving carbon-to-carbon unsaturated bonds}	A61L29/04	A61L29/04		742
A61L29/042	10	{Rubbers}	A61L29/04	A61L29/04		82
A61L29/043	9	{Polysaccharides}	A61L29/04	A61L29/04		144
A61L29/044	9	{Proteins; Polypeptides; Degradation products thereof}	A61L29/04	A61L29/04		20
A61L29/045	10	{Collagen}	A61L29/04	A61L29/04		27
A61L29/046	10	{Gelatin}	A61L29/04	A61L29/04		28
A61L29/047	10	{Fibrin; Fibrinogen}	A61L29/04	A61L29/04		2
A61L29/048	10	{Other specific proteins or polypeptides not covered by A61L29/045&#160;-&#160;A61L29/047}	A61L29/04	A61L29/04		84
A61L29/049	9	{Mixtures of macromolecular compounds}	A61L29/04	A61L29/04		381
A61L29/06	9	obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds	A61L29/06	A61L29/06		1247
A61L29/08	8	Materials for coatings	A61L29/08	A61L29/08		747
A61L29/085	9	{Macromolecular materials}	A61L29/08	A61L29/08		2871
A61L29/10	9	Inorganic materials	A61L29/10	A61L29/10		115
A61L29/103	10	{Carbon}	A61L29/10	A61L29/10		91
A61L29/106	10	{Inorganic materials other than carbon}	A61L29/10	A61L29/10		338
A61L29/12	8	Composite materials, i.e. containing one material dispersed in a matrix of the same or different material	A61L29/12	A61L29/12		86
A61L29/123	9	{having an inorganic matrix}	A61L29/12	A61L29/12		25
A61L29/126	9	{having a macromolecular matrix}	A61L29/12	A61L29/12		303
A61L29/14	8	Materials characterised by their function or physical properties {, e.g. lubricating compositions}	A61L29/14	A61L29/14		1608
A61L29/141	9	{Plasticizers}	A61L29/14	A61L29/14		71
A61L29/143	9	{Stabilizers}	A61L29/14	A61L29/14		46
A61L29/145	9	{Hydrogels or hydrocolloids}	A61L29/14	A61L29/14		321
A61L29/146	9	{Porous materials, e.g. foams or sponges}	A61L29/14	A61L29/14		226
A61L29/148	9	{Materials at least partially resorbable by the body}	A61L29/14	A61L29/14		256
A61L29/16	9	Biologically active materials, e.g. therapeutic substances {(A61L29/048 takes precedence)}	A61L29/16	A61L29/16		3017
A61L29/18	9	Materials at least partially X-ray or laser opaque	A61L29/18	A61L29/18		360
A61L31/00	7	Materials 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)}<br><br><u>NOTE</u><br><br> 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.<br><br> When classifying in groups A61L31/02&#160;-&#160;A61L31/129 , classification is also made in groups A61L31/14&#160;-&#160;A61L31/18 if the use of materials characterised by their function or physical properties is of interest. <br> When classifying in group A61L31/00, classification is also made in A61L33/00 if the materials used are antithrombogenic <br> 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	A61L31/00	A61L31/00		228
A61L31/005	8	{Ingredients of undetermined constitution or reaction products thereof}	A61L31/00	A61L31/00		933
A61L31/02	8	Inorganic materials	A61L31/02	A61L31/02		228
A61L31/022	9	{Metals or alloys}	A61L31/02	A61L31/02		3342
A61L31/024	9	{Carbon; Graphite}	A61L31/02	A61L31/02		226
A61L31/026	9	{Ceramic or ceramic-like structures, e.g. glasses}	A61L31/02	A61L31/02		272
A61L31/028	9	{Other inorganic materials not covered by A61L31/022&#160;-&#160;A61L31/026}	A61L31/02	A61L31/02		624
A61L31/04	8	Macromolecular materials	A61L31/04	A61L31/04		749
A61L31/041	9	{Mixtures of macromolecular compounds}	A61L31/04	A61L31/04		834
A61L31/042	9	{Polysaccharides}	A61L31/04	A61L31/04		1489
A61L31/043	9	{Proteins; Polypeptides; Degradation products thereof}	A61L31/04	A61L31/04		134
A61L31/044	10	{Collagen}	A61L31/04	A61L31/04		604
A61L31/045	10	{Gelatin}	A61L31/04	A61L31/04		287
A61L31/046	10	{Fibrin; Fibrinogen}	A61L31/04	A61L31/04		155
A61L31/047	10	{Other specific proteins or polypeptides not covered by A61L31/044&#160;-&#160;A61L31/046}	A61L31/04	A61L31/04		582
A61L31/048	9	{obtained by reactions only involving carbon-to-carbon unsaturated bonds (A61L31/041 takes precedence)}	A61L31/04	A61L31/04		1460
A61L31/049	10	{Rubbers}	A61L31/04	A61L31/04		96
A61L31/06	9	obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds {(A61L31/041 takes precedence)}	A61L31/06	A61L31/06		3561
A61L31/08	8	Materials for coatings	A61L31/08	A61L31/08		1156
A61L31/082	9	{Inorganic materials}	A61L31/08	A61L31/08		296
A61L31/084	10	{Carbon; Graphite}	A61L31/08	A61L31/08		217
A61L31/086	10	{Phosphorus-containing materials, e.g. apatite}	A61L31/08	A61L31/08		280
A61L31/088	10	{Other specific inorganic materials not covered by A61L31/084 or A61L31/086}	A61L31/08	A61L31/08		1220
A61L31/10	9	Macromolecular materials	A61L31/10	A61L31/10		5639
A61L31/12	8	Composite materials, i.e. containing one material dispersed in a matrix of the same or different material	A61L31/12	A61L31/12		202
A61L31/121	9	{having an inorganic matrix}	A61L31/12	A61L31/12		25
A61L31/122	10	{of carbon}	A61L31/12	A61L31/12		23
A61L31/123	10	{of phosphorus-containing materials, e.g. apatite}	A61L31/12	A61L31/12		39
A61L31/124	10	{of other specific inorganic materials not covered by A61L31/122 or A61L31/123}	A61L31/12	A61L31/12		107
A61L31/125	9	{having a macromolecular matrix}	A61L31/12	A61L31/12		179
A61L31/126	10	{containing carbon fillers}	A61L31/12	A61L31/12		89
A61L31/127	10	{containing fillers of phosphorus-containing inorganic materials}	A61L31/12	A61L31/12		209
A61L31/128	10	{containing other specific inorganic fillers not covered by A61L31/126 or A61L31/127}	A61L31/12	A61L31/12		379
A61L31/129	10	{containing macromolecular fillers}	A61L31/12	A61L31/12		378
A61L31/14	8	Materials characterised by their function or physical properties {, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials}	A61L31/14	A61L31/14		4581
A61L31/141	9	{Plasticizers}	A61L31/14	A61L31/14		107
A61L31/143	9	{Stabilizers}	A61L31/14	A61L31/14		84
A61L31/145	9	{Hydrogels or hydrocolloids}	A61L31/14	A61L31/14		1335
A61L31/146	9	{Porous materials, e.g. foams or sponges}	A61L31/14	A61L31/14		1705
A61L31/148	9	{Materials at least partially resorbable by the body}	A61L31/14	A61L31/14		3863
A61L31/16	9	Biologically active materials, e.g. therapeutic substances {(A61L31/047 takes precedence)}	A61L31/16	A61L31/16		7833
A61L31/18	9	Materials at least partially X-ray or laser opaque	A61L31/18	A61L31/18		1026
A61L33/00	7	Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment<br><br><u>NOTE</u><br><br>In 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. <br> When classifying in groups A61L33/02&#160;-&#160;A61L33/122, classification is also made in group A61L33/0005 if of interest <br> 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	A61L33/00	A61L33/00		101
A61L33/0005	8	{Use of materials characterised by their function or physical properties}	A61L33/00	A61L33/00		117
A61L33/0011	9	{Anticoagulant, e.g. heparin, platelet aggregation inhibitor, fibrinolytic agent, other than enzymes, attached to the substrate}	A61L33/00	A61L33/00		520
A61L33/0017	10	{using a surface active agent}	A61L33/00	A61L33/00		79
A61L33/0023	10	{using a quaternized group or a protonated amine group of the substrate}	A61L33/00	A61L33/00		62
A61L33/0029	10	{using an intermediate layer of polymer}	A61L33/00	A61L33/00		225
A61L33/0035	10	{using a polymer with positively charged atoms in the polymeric backbone, e.g. ionenes}	A61L33/00	A61L33/00		18
A61L33/0041	10	{characterised by the choice of an antithrombatic agent other than heparin (heparino&#239;d A61L33/08; polypeptides A61L33/12)}	A61L33/00	A61L33/00		210
A61L33/0047	9	{Enzymes, e.g. urokinase, streptokinase}	A61L33/00	A61L33/00		95
A61L33/0052	9	{Plasticizers}	A61L33/00	A61L33/00		22
A61L33/0058	9	{Stabilizers}	A61L33/00	A61L33/00		3
A61L33/0064	9	{Hydrogels or hydrocolloids}	A61L33/00	A61L33/00		36
A61L33/007	9	{Porous materials, e.g. foams or sponges}	A61L33/00	A61L33/00		19
A61L33/0076	8	{Chemical modification of the substrate}	A61L33/00	A61L33/00		118
A61L33/0082	9	{by reacting with an organic compound other than heparin}	A61L33/00	A61L33/00		128
A61L33/0088	9	{by grafting of a monomer onto the substrate}	A61L33/00	A61L33/00		156
A61L33/0094	8	{Physical treatment, e.g. plasma treatment}	A61L33/00	A61L33/00		109
A61L33/02	8	Use of inorganic materials	A61L33/02	A61L33/02		45
A61L33/022	9	{Metal or alloys}	A61L33/02	A61L33/02		66
A61L33/025	9	{Carbon; Graphite}	A61L33/02	A61L33/02		40
A61L33/027	9	{Other specific inorganic materials not covered by A61L33/022 or A61L33/025}	A61L33/02	A61L33/02		62
A61L33/04	8	Use of organic materials, e.g. acetylsalicylic acid	A61L33/04	A61L33/04		112
A61L33/06	8	Use of macromolecular materials (grafting of a monomer onto the substrate A61L33/0088)	A61L33/06	A61L33/06		127
A61L33/062	9	{Mixtures of macromolecular compounds}	A61L33/06	A61L33/06		88
A61L33/064	9	{obtained by reactions only involving carbon-to-carbon unsaturated bonds (A61L33/062 takes precedence)}	A61L33/06	A61L33/06		199
A61L33/066	10	{Rubbers}	A61L33/06	A61L33/06		9
A61L33/068	9	{obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds (A61L33/062 takes precedence)}	A61L33/06	A61L33/06		284
A61L33/08	9	Polysaccharides	A61L33/08	A61L33/08		302
A61L33/12	9	Polypeptides, proteins or derivatives thereof {, e.g. degradation products thereof}	A61L33/12	A61L33/12		47
A61L33/122	10	{Collagen}	A61L33/12	A61L33/12		16
A61L33/124	10	{Gelatin}	A61L33/12	A61L33/12		9
A61L33/126	10	{Fibrin}	A61L33/12	A61L33/12		12
A61L33/128	10	{Other specific proteins or polypeptides not covered by A61L33/122&#160;-&#160;A61L33/126}	A61L33/12	A61L33/12		106
A61L33/18	8	Use of ingredients of undetermined constitution or reaction products thereof	A61L33/18	A61L33/18		49
A61L2101/00	7	Chemical composition of materials used in disinfecting, sterilising or deodorising	A61L101/00	A61L101/00		111
A61L2101/02	8	Inorganic materials	A61L101/02	A61L101/02		456
A61L2101/06	9	containing halogen	A61L101/06	A61L101/06		331
A61L2101/08	10	Elemental halogen	A61L101/08	A61L101/08		43
A61L2101/12	9	containing silicon	A61L101/12	A61L101/12		47
A61L2101/14	9	containing sulfur	A61L101/14	A61L101/14		29
A61L2101/16	9	containing phosphorus	A61L101/16	A61L101/16		31
A61L2101/18	9	Ammonia	A61L101/18	A61L101/18		10
A61L2101/20	9	Acids	A61L101/20	A61L101/20		61
A61L2101/24	9	containing aluminium	A61L101/24	A61L101/24		41
A61L2101/26	9	containing copper	A61L101/26	A61L101/26		94
A61L2101/28	9	containing iron	A61L101/28	A61L101/28		35
A61L2101/30	9	containing zinc	A61L101/30	A61L101/30		72
A61L2101/32	8	Organic compounds	A61L101/32	A61L101/32		213
A61L2101/34	9	Hydroxy compounds	A61L101/34	A61L101/34		576
A61L2101/36	9	Carboxylic acids or derivatives thereof	A61L101/36	A61L101/36		174
A61L2101/38	9	Ethers	A61L101/38	A61L101/38		32
A61L2101/40	9	containing sulfur	A61L101/40	A61L101/40		31
A61L2101/42	9	Organo-metallic compounds or complexes	A61L101/42	A61L101/42		25
A61L2101/44	9	Heterocyclic compounds	A61L101/44	A61L101/44		151
A61L2101/46	9	Macromolecular compounds	A61L101/46	A61L101/46		127
A61L2101/48	10	obtained by reactions only involving carbon-to-carbon unsaturated bonds	A61L101/48	A61L101/48		50
A61L2101/50	10	Polysaccharides or derivatives thereof	A61L101/50	A61L101/50		61
A61L2103/00	7	Materials or objects being the target of disinfection or sterilisation<br><br><u>WARNING</u><br>Group A61L2103/00 is incomplete pending reclassification of documents from group A61L2103/05. Group A61L2103/00 is also impacted by reclassification into groups A61L2103/10, A61L2103/15 - A61L2103/20, A61L2103/25, A61L2103/30, A61L2103/35, A61L2103/40, A61L2103/45, A61L2103/55, A61L2103/60, A61L2103/65, A61L2103/70, A61L2103/80, A61L2103/85 and A61L2103/90. <br>All groups listed in this Warning should be considered in order to perform a complete search.	A61L103/00	A61L103/00		
A61L2103/05	8	Living organisms or biological materials<br><br><u>WARNING</u><br>Group A61L2103/05 is impacted by reclassification into groups A61L2103/00, A61L2103/06 - A61L2103/07, A61L2103/09, A61L2103/10, A61L2103/20, A61L2103/35, A61L2103/65 and A61L2103/85. <br>All groups listed in this Warning should be considered in order to perform a complete search.	A61L103/05	A61L103/05		
A61L2103/06	9	The human body<br><br><u>WARNING</u><br>Groups A61L2103/06 and A61L2103/07 are incomplete pending reclassification of documents from group A61L2103/05. <br>All groups listed in this Warning should be considered in order to perform a complete search.	A61L103/06	A61L103/06		
A61L2103/07	10	Hands	A61L103/07	A61L103/07		
A61L2103/09	9	Blood or products thereof<br><br><u>WARNING</u><br>Group A61L2103/09 is incomplete pending reclassification of documents from group A61L2103/05. <br>Groups A61L2103/05 and A61L2103/09 should be considered in order to perform a complete search.	A61L103/09	A61L103/09		
A61L2103/10	8	Medicinal preparations other than biologicals<br><br><u>WARNING</u><br>Group A61L2103/10 is incomplete pending reclassification of documents from groups A61L2103/00 and A61L2103/05. <br>Groups A61L2103/00, A61L2103/05 and A61L2103/10 should be considered in order to perform a complete search.	A61L103/10	A61L103/10		
A61L2103/15	8	Laboratory, medical or dentistry appliances, e.g. catheters or sharps<br><br><u>WARNING</u><br>Group A61L2103/15 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/15 should be considered in order to perform a complete search.	A61L103/15	A61L103/15		
A61L2103/20	9	Containers, e.g. vials or flasks<br><br><u>WARNING</u><br>Group A61L2103/20 is incomplete pending reclassification of documents from groups A61L2103/00, A61L2103/05 and A61L2103/23. <br>All groups listed in this Warning should be considered in order to perform a complete search.	A61L103/20	A61L103/20		
A61L2103/23	8	{Containers other than laboratory or medical, e.g. bottles or mail}<br><br><u>WARNING</u><br>Group A61L2103/23 is impacted by reclassification into group A61L2103/20. <br>Groups A61L2103/23 and A61L2103/20 should be considered in order to perform a complete search.	A61L103/00	A61L2103/23		
A61L2103/25	8	Personal electronic items, e.g. mobile phones<br><br><u>WARNING</u><br>Group A61L2103/25 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/25 should be considered in order to perform a complete search.	A61L103/25	A61L103/25		
A61L2103/30	8	Tableware or kitchen utensils<br><br><u>WARNING</u><br>Group A61L2103/30 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/30 should be considered in order to perform a complete search.	A61L103/30	A61L103/30		
A61L2103/35	8	Baby products, e.g. pacifiers or feeding bottles<br><br><u>WARNING</u><br>Group A61L2103/35 is incomplete pending reclassification of documents from groups A61L2103/00 and A61L2103/05. <br>Groups A61L2103/00, A61L2103/05 and A61L2103/35 should be considered in order to perform a complete search.	A61L103/35	A61L103/35		
A61L2103/40	8	Furniture, e.g. seats, tables or beds<br><br><u>WARNING</u><br>Group A61L2103/40 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/40 should be considered in order to perform a complete search.	A61L103/40	A61L103/40		
A61L2103/45	8	Toiletry or cosmetic articles<br><br><u>WARNING</u><br>Group A61L2103/45 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/45 should be considered in order to perform a complete search.	A61L103/45	A61L103/45		
A61L2103/50	8	Textiles, e.g. bedwear or towels	A61L103/50	A61L103/50		
A61L2103/55	8	Footwear<br><br><u>WARNING</u><br>Group A61L2103/55 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/55 should be considered in order to perform a complete search.	A61L103/55	A61L103/55		
A61L2103/60	8	Cards or paper money<br><br><u>WARNING</u><br>Group A61L2103/60 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/60 should be considered in order to perform a complete search.	A61L103/60	A61L103/60		
A61L2103/65	8	Personal protective equipment, e.g. facial masks<br><br><u>WARNING</u><br>Group A61L2103/65 is incomplete pending reclassification of documents from groups A61L2103/00 and A61L2103/05. <br>Groups A61L2103/00, A61L2103/05 and A61L2103/65 should be considered in order to perform a complete search.	A61L103/65	A61L103/65		
A61L2103/70	8	Trolleys, e.g. supermarket trolleys<br><br><u>WARNING</u><br>Group A61L2103/70 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/70 should be considered in order to perform a complete search.	A61L103/70	A61L103/70		
A61L2103/75	8	Room floors or walls<br><br><u>WARNING</u><br>Group A61L2103/75 is impacted by reclassification into groups A61L2103/80, A61L2103/95 and A61L2103/97. <br>All groups listed in this Warning should be considered in order to perform a complete search.	A61L103/75	A61L103/75		
A61L2103/80	8	Gates, doors or parts thereof, e.g. handles<br><br><u>WARNING</u><br>Group A61L2103/80 is incomplete pending reclassification of documents from groups A61L2103/00 and A61L2103/75. <br>Groups A61L2103/00, A61L2103/75 and A61L2103/80 should be considered in order to perform a complete search.	A61L103/80	A61L103/80		
A61L2103/85	8	Animal houses<br><br><u>WARNING</u><br>Group A61L2103/85 is incomplete pending reclassification of documents from groups A61L2103/00 and A61L2103/05. <br>Groups A61L2103/00, A61L2103/05 and A61L2103/85 should be considered in order to perform a complete search.	A61L103/85	A61L103/85		
A61L2103/90	8	Temporarily isolated areas, e.g. mobile tents<br><br><u>WARNING</u><br>Group A61L2103/90 is incomplete pending reclassification of documents from group A61L2103/00. <br>Groups A61L2103/00 and A61L2103/90 should be considered in order to perform a complete search.	A61L103/90	A61L103/90		
A61L2103/95	8	Vehicles, e.g. cars or aeroplanes<br><br><u>WARNING</u><br>Groups A61L2103/95 and A61L2103/97 are incomplete pending reclassification of documents from group A61L2103/75. <br>Groups A61L2103/75, A61L2103/95 and A61L2103/97 should be considered in order to perform a complete search.	A61L103/95	A61L103/95		
A61L2103/97	9	Passenger compartments of vehicles	A61L103/97	A61L103/97		
A61L2202/00	7	Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects	CPCONLY	A61L2202/00		31
A61L2202/10	8	Apparatus features	CPCONLY	A61L2202/10		160
A61L2202/11	9	Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps	CPCONLY	A61L2202/11		9025
A61L2202/12	9	Apparatus for isolating biocidal substances from the environment	CPCONLY	A61L2202/12		382
A61L2202/121	10	Sealings, e.g. doors, covers, valves, sluices	CPCONLY	A61L2202/121		2141
A61L2202/122	10	Chambers for sterilisation	CPCONLY	A61L2202/122		4011
A61L2202/123	10	Connecting means	CPCONLY	A61L2202/123		620
A61L2202/13	9	Biocide decomposition means, e.g. catalysts, sorbents	CPCONLY	A61L2202/13		739
A61L2202/14	9	Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs	CPCONLY	A61L2202/14		12309
A61L2202/15	9	Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers	CPCONLY	A61L2202/15		7278
A61L2202/16	9	Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles	CPCONLY	A61L2202/16		4040
A61L2202/17	9	Combination with washing or cleaning means	CPCONLY	A61L2202/17		5125
A61L2202/18	9	Aseptic storing means	CPCONLY	A61L2202/18		370
A61L2202/181	10	Flexible packaging means, e.g. permeable membranes, paper	CPCONLY	A61L2202/181		380
A61L2202/182	10	Rigid packaging means	CPCONLY	A61L2202/182		665
A61L2209/00	7	Aspects relating to disinfection, sterilisation or deodorisation of air	CPCONLY	A61L2209/00		23
A61L2209/10	8	Apparatus features	CPCONLY	A61L2209/10		347
A61L2209/11	9	Apparatus for controlling air treatment	CPCONLY	A61L2209/11		2828
A61L2209/111	10	Sensor means, e.g. motion, brightness, scent, contaminant sensors	CPCONLY	A61L2209/111		3174
A61L2209/12	9	Lighting means	CPCONLY	A61L2209/12		2410
A61L2209/13	9	Dispensing or storing means for active compounds	CPCONLY	A61L2209/13		902
A61L2209/131	10	Semi-permeable membranes	CPCONLY	A61L2209/131		262
A61L2209/132	10	Piezo or ultrasonic elements for dispensing	CPCONLY	A61L2209/132		474
A61L2209/133	10	Replaceable cartridges, refills	CPCONLY	A61L2209/133		1484
A61L2209/134	10	Distributing means, e.g. baffles, valves, manifolds, nozzles	CPCONLY	A61L2209/134		2837
A61L2209/135	10	Vaporisers for active components	CPCONLY	A61L2209/135		638
A61L2209/14	9	Filtering means	CPCONLY	A61L2209/14		3599
A61L2209/15	9	Supporting means, e.g. stands, hooks, holes for hanging	CPCONLY	A61L2209/15		1414
A61L2209/16	9	Connections to a HVAC unit	CPCONLY	A61L2209/16		1584
A61L2209/20	8	Method-related aspects	CPCONLY	A61L2209/20		50
A61L2209/21	9	Use of chemical compounds for treating air or the like	CPCONLY	A61L2209/21		2858
A61L2209/211	10	Use of hydrogen peroxide, liquid and vaporous	CPCONLY	A61L2209/211		368
A61L2209/212	10	Use of ozone, e.g. generated by UV radiation or electrical discharge	CPCONLY	A61L2209/212		1571
A61L2209/213	10	Use of electrochemically treated water, e.g. electrolysed water or water treated by electrical discharge	CPCONLY	A61L2209/213		246
A61L2209/22	9	Treatment by sorption, e.g. absorption, adsorption, chemisorption, scrubbing, wet cleaning	CPCONLY	A61L2209/22		1472
A61L2300/00	7	Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices	CPCONLY	A61L2300/00		526
A61L2300/10	8	containing or releasing inorganic materials	CPCONLY	A61L2300/10		510
A61L2300/102	9	Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates	CPCONLY	A61L2300/102		3453
A61L2300/104	10	Silver, e.g. silver sulfadiazine	CPCONLY	A61L2300/104		2397
A61L2300/106	9	Halogens or compounds thereof, e.g. iodine, chlorite	CPCONLY	A61L2300/106		382
A61L2300/108	9	Elemental carbon, e.g. charcoal	CPCONLY	A61L2300/108		404
A61L2300/11	9	Peroxy compounds, peroxides, e.g. hydrogen peroxide	CPCONLY	A61L2300/11		200
A61L2300/112	9	Phosphorus-containing compounds, e.g. phosphates, phosphonates	CPCONLY	A61L2300/112		854
A61L2300/114	9	Nitric oxide, i.e. NO	CPCONLY	A61L2300/114		299
A61L2300/20	8	containing or releasing organic materials	CPCONLY	A61L2300/20		114
A61L2300/202	9	with halogen atoms, e.g. triclosan, povidone-iodine	CPCONLY	A61L2300/202		313
A61L2300/204	9	with nitrogen-containing functional groups, e.g. aminoxides, nitriles, guanidines	CPCONLY	A61L2300/204		988
A61L2300/206	10	Biguanides, e.g. chlorohexidine	CPCONLY	A61L2300/206		478
A61L2300/208	10	Quaternary ammonium compounds	CPCONLY	A61L2300/208		565
A61L2300/21	9	Acids	CPCONLY	A61L2300/21		716
A61L2300/212	10	Peroxy acids, peracids	CPCONLY	A61L2300/212		17
A61L2300/214	10	Amino acids	CPCONLY	A61L2300/214		342
A61L2300/216	9	with other specific functional groups, e.g. aldehydes, ketones, phenols, quaternary phosphonium groups	CPCONLY	A61L2300/216		2364
A61L2300/22	9	Lipids, fatty acids, e.g. prostaglandins, oils, fats, waxes	CPCONLY	A61L2300/22		263
A61L2300/222	10	Steroids, e.g. corticosteroids	CPCONLY	A61L2300/222		286
A61L2300/224	9	containing metals, e.g. porphyrins, vitamin B12	CPCONLY	A61L2300/224		76
A61L2300/23	9	Carbohydrates	CPCONLY	A61L2300/23		228
A61L2300/232	10	Monosaccharides, disaccharides, polysaccharides, lipopolysaccharides	CPCONLY	A61L2300/232		2196
A61L2300/236	10	Glycosaminoglycans, e.g. heparin, hyaluronic acid, chondroitin	CPCONLY	A61L2300/236		1104
A61L2300/25	9	Peptides having up to 20 amino acids in a defined sequence	CPCONLY	A61L2300/25		409
A61L2300/252	9	Polypeptides, proteins, e.g. glycoproteins, lipoproteins, cytokines	CPCONLY	A61L2300/252		3360
A61L2300/254	10	Enzymes, proenzymes	CPCONLY	A61L2300/254		732
A61L2300/256	10	Antibodies, e.g. immunoglobulins, vaccines	CPCONLY	A61L2300/256		250
A61L2300/258	9	Genetic materials, DNA, RNA, genes, vectors, e.g. plasmids	CPCONLY	A61L2300/258		563
A61L2300/30	9	Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera	CPCONLY	A61L2300/30		2803
A61L2300/40	8	characterised by a specific therapeutic activity or mode of action	CPCONLY	A61L2300/40		505
A61L2300/402	9	Anaestetics, analgesics, e.g. lidocaine	CPCONLY	A61L2300/402		1147
A61L2300/404	9	Biocides, antimicrobial agents, antiseptic agents	CPCONLY	A61L2300/404		11157
A61L2300/406	10	Antibiotics	CPCONLY	A61L2300/406		2109
A61L2300/408	10	Virucides, spermicides	CPCONLY	A61L2300/408		254
A61L2300/41	9	Anti-inflammatory agents, e.g. NSAIDs	CPCONLY	A61L2300/41		3109
A61L2300/412	9	Tissue-regenerating or healing or proliferative agents	CPCONLY	A61L2300/412		7379
A61L2300/414	10	Growth factors	CPCONLY	A61L2300/414		3501
A61L2300/416	9	Anti-neoplastic or anti-proliferative or anti-restenosis or anti-angiogenic agents, e.g. paclitaxel, sirolimus	CPCONLY	A61L2300/416		2833
A61L2300/418	9	Agents promoting blood coagulation, blood-clotting agents, embolising agents	CPCONLY	A61L2300/418		1854
A61L2300/42	9	Anti-thrombotic agents, anticoagulants, anti-platelet agents	CPCONLY	A61L2300/42		1371
A61L2300/422	9	Anti-atherosclerotic agents	CPCONLY	A61L2300/422		101
A61L2300/424	9	Anti-adhesion agents	CPCONLY	A61L2300/424		161
A61L2300/426	9	Immunomodulating agents, i.e. cytokines, interleukins, interferons	CPCONLY	A61L2300/426		542
A61L2300/428	9	Vitamins, e.g. tocopherol, riboflavin	CPCONLY	A61L2300/428		397
A61L2300/43	9	Hormones, e.g. dexamethasone	CPCONLY	A61L2300/43		563
A61L2300/432	9	Inhibitors, antagonists (A61L2300/402&#160;-&#160;A61L2300/43 take precedence)	CPCONLY	A61L2300/432		222
A61L2300/434	10	of enzymes	CPCONLY	A61L2300/434		320
A61L2300/436	10	of receptors	CPCONLY	A61L2300/436		103
A61L2300/438	9	Antigens	CPCONLY	A61L2300/438		26
A61L2300/44	9	Radioisotopes, radionuclides	CPCONLY	A61L2300/44		220
A61L2300/442	9	Colorants, dyes	CPCONLY	A61L2300/442		298
A61L2300/45	9	Mixtures of two or more drugs, e.g. synergistic mixtures	CPCONLY	A61L2300/45		1626
A61L2300/452	9	Lubricants	CPCONLY	A61L2300/452		186
A61L2300/60	8	characterised by a special physical form	CPCONLY	A61L2300/60		151
A61L2300/602	9	Type of release, e.g. controlled, sustained, slow	CPCONLY	A61L2300/602		3569
A61L2300/604	10	Biodegradation	CPCONLY	A61L2300/604		1468
A61L2300/606	9	Coatings	CPCONLY	A61L2300/606		3130
A61L2300/608	10	having two or more layers	CPCONLY	A61L2300/608		751
A61L2300/61	11	containing two or more active agents in different layers	CPCONLY	A61L2300/61		230
A61L2300/62	9	Encapsulated active agents, e.g. emulsified droplets	CPCONLY	A61L2300/62		434
A61L2300/622	10	Microcapsules	CPCONLY	A61L2300/622		922
A61L2300/624	10	Nanocapsules	CPCONLY	A61L2300/624		540
A61L2300/626	10	Liposomes, micelles, vesicles	CPCONLY	A61L2300/626		215
A61L2300/63	9	Crystals	CPCONLY	A61L2300/63		137
A61L2300/64	9	Animal cells	CPCONLY	A61L2300/64		738
A61L2300/80	8	characterised by a special chemical form	CPCONLY	A61L2300/80		121
A61L2300/802	9	Additives, excipients, e.g. cyclodextrins, fatty acids, surfactants	CPCONLY	A61L2300/802		820
A61L2400/00	7	Materials characterised by their function or physical properties	CPCONLY	A61L2400/00		74
A61L2400/02	8	Treatment of implants to prevent calcification or mineralisation in vivo	CPCONLY	A61L2400/02		204
A61L2400/04	8	Materials for stopping bleeding	CPCONLY	A61L2400/04		3598
A61L2400/06	8	Flowable or injectable implant compositions	CPCONLY	A61L2400/06		4674
A61L2400/08	8	Methods for forming porous structures using a negative form which is filled and then removed by pyrolysis or dissolution	CPCONLY	A61L2400/08		203
A61L2400/10	8	Materials for lubricating medical devices	CPCONLY	A61L2400/10		757
A61L2400/12	8	Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces	CPCONLY	A61L2400/12		5042
A61L2400/14	8	Adhesives for ostomy devices	CPCONLY	A61L2400/14		156
A61L2400/16	8	Materials with shape-memory or superelastic properties	CPCONLY	A61L2400/16		942
A61L2400/18	8	Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment	CPCONLY	A61L2400/18		2797
A61L2420/00	7	Materials or methods for coatings medical devices	CPCONLY	A61L2420/00		156
A61L2420/02	8	Methods for coating medical devices	CPCONLY	A61L2420/02		3146
A61L2420/04	8	Coatings containing a composite material such as inorganic/organic, i.e. material comprising different phases	CPCONLY	A61L2420/04		683
A61L2420/06	8	Coatings containing a mixture of two or more compounds	CPCONLY	A61L2420/06		1382
A61L2420/08	8	Coatings comprising two or more layers	CPCONLY	A61L2420/08		1635
A61L2430/00	7	Materials or treatment for tissue regeneration	CPCONLY	A61L2430/00		294
A61L2430/02	8	for reconstruction of bones; weight-bearing implants	CPCONLY	A61L2430/02		9813
A61L2430/04	8	for mammary reconstruction	CPCONLY	A61L2430/04		377
A61L2430/06	8	for cartilage reconstruction, e.g. meniscus	CPCONLY	A61L2430/06		1983
A61L2430/10	8	for reconstruction of tendons or ligaments	CPCONLY	A61L2430/10		715
A61L2430/12	8	for dental implants or prostheses	CPCONLY	A61L2430/12		1733
A61L2430/14	8	for ear reconstruction or ear implants, e.g. implantable hearing aids	CPCONLY	A61L2430/14		197
A61L2430/16	8	for reconstruction of eye parts, e.g. intraocular lens, cornea	CPCONLY	A61L2430/16		1683
A61L2430/18	8	for hair reconstruction	CPCONLY	A61L2430/18		95
A61L2430/20	8	for reconstruction of the heart, e.g. heart valves	CPCONLY	A61L2430/20		1131
A61L2430/22	8	for reconstruction of hollow organs, e.g. bladder, esophagus, urether, uterus	CPCONLY	A61L2430/22		585
A61L2430/24	8	for joint reconstruction	CPCONLY	A61L2430/24		1094
A61L2430/26	8	for kidney reconstruction	CPCONLY	A61L2430/26		84
A61L2430/28	8	for liver reconstruction	CPCONLY	A61L2430/28		174
A61L2430/30	8	for muscle reconstruction	CPCONLY	A61L2430/30		303
A61L2430/32	8	for nerve reconstruction	CPCONLY	A61L2430/32		1367
A61L2430/34	8	for soft tissue reconstruction	CPCONLY	A61L2430/34		2129
A61L2430/36	8	for embolization or occlusion, e.g. vaso-occlusive compositions or devices	CPCONLY	A61L2430/36		746
A61L2430/38	8	for reconstruction of the spine, vertebrae or intervertebral discs	CPCONLY	A61L2430/38		954
A61L2430/40	8	Preparation and treatment of biological tissue for implantation, e.g. decellularisation, cross-linking	CPCONLY	A61L2430/40		2027
