JP5624546B2 - 創傷治療具 - Google Patents
創傷治療具 Download PDFInfo
- Publication number
- JP5624546B2 JP5624546B2 JP2011527392A JP2011527392A JP5624546B2 JP 5624546 B2 JP5624546 B2 JP 5624546B2 JP 2011527392 A JP2011527392 A JP 2011527392A JP 2011527392 A JP2011527392 A JP 2011527392A JP 5624546 B2 JP5624546 B2 JP 5624546B2
- Authority
- JP
- Japan
- Prior art keywords
- acid
- wound treatment
- treatment device
- chitosan
- wound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 208000027418 Wounds and injury Diseases 0.000 title claims description 61
- 206010052428 Wound Diseases 0.000 title claims description 60
- 239000000463 material Substances 0.000 claims description 81
- 239000000835 fiber Substances 0.000 claims description 74
- 229920001661 Chitosan Polymers 0.000 claims description 62
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 54
- 239000002253 acid Substances 0.000 claims description 38
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 22
- 229920002678 cellulose Polymers 0.000 claims description 19
- 239000001913 cellulose Substances 0.000 claims description 19
- 235000011054 acetic acid Nutrition 0.000 claims description 18
- 239000004310 lactic acid Substances 0.000 claims description 14
- 235000014655 lactic acid Nutrition 0.000 claims description 14
- 229940030225 antihemorrhagics Drugs 0.000 claims description 10
- 239000002874 hemostatic agent Substances 0.000 claims description 10
- -1 polypropylene Polymers 0.000 claims description 9
- 229920002101 Chitin Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 6
- 150000004676 glycans Chemical class 0.000 claims description 6
- 229920001282 polysaccharide Polymers 0.000 claims description 6
- 239000005017 polysaccharide Substances 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 238000001879 gelation Methods 0.000 claims description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003242 anti bacterial agent Substances 0.000 claims description 4
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 claims description 4
- 230000002439 hemostatic effect Effects 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 3
- 229940072056 alginate Drugs 0.000 claims description 3
- 229920000615 alginic acid Polymers 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- AFENDNXGAFYKQO-UHFFFAOYSA-N 2-hydroxybutyric acid Chemical compound CCC(O)C(O)=O AFENDNXGAFYKQO-UHFFFAOYSA-N 0.000 claims description 2
- ALRHLSYJTWAHJZ-UHFFFAOYSA-N 3-hydroxypropionic acid Chemical compound OCCC(O)=O ALRHLSYJTWAHJZ-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- GHXZTYHSJHQHIJ-UHFFFAOYSA-N Chlorhexidine Chemical compound C=1C=C(Cl)C=CC=1NC(N)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1 GHXZTYHSJHQHIJ-UHFFFAOYSA-N 0.000 claims description 2
- 102000004127 Cytokines Human genes 0.000 claims description 2
- 108090000695 Cytokines Proteins 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 235000010323 ascorbic acid Nutrition 0.000 claims description 2
- 239000011668 ascorbic acid Substances 0.000 claims description 2
- 229960005070 ascorbic acid Drugs 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- 229960003260 chlorhexidine Drugs 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000003102 growth factor Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
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- 125000000218 acetic acid group Chemical class C(C)(=O)* 0.000 claims 1
- 235000011167 hydrochloric acid Nutrition 0.000 claims 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims 1
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- 239000000499 gel Substances 0.000 description 26
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- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
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- 238000000576 coating method Methods 0.000 description 3
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- 239000005995 Aluminium silicate Substances 0.000 description 2
- 102000002274 Matrix Metalloproteinases Human genes 0.000 description 2
- 108010000684 Matrix Metalloproteinases Proteins 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
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- 230000006196 deacetylation Effects 0.000 description 2
- 238000003381 deacetylation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000029663 wound healing Effects 0.000 description 2
- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical compound N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 102100023804 Coagulation factor VII Human genes 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 108010023321 Factor VII Proteins 0.000 description 1
- 108010054218 Factor VIII Proteins 0.000 description 1
- 102000001690 Factor VIII Human genes 0.000 description 1
- 108010049003 Fibrinogen Proteins 0.000 description 1
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- 108010010803 Gelatin Proteins 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 102000016943 Muramidase Human genes 0.000 description 1
- 108010014251 Muramidase Proteins 0.000 description 1
- 108010062010 N-Acetylmuramoyl-L-alanine Amidase Proteins 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 108010067372 Pancreatic elastase Proteins 0.000 description 1
- 102000016387 Pancreatic elastase Human genes 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 108090000190 Thrombin Proteins 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
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- 239000013543 active substance Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- MSWZFWKMSRAUBD-UHFFFAOYSA-N beta-D-galactosamine Natural products NC1C(O)OC(CO)C(O)C1O MSWZFWKMSRAUBD-UHFFFAOYSA-N 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 229960005069 calcium Drugs 0.000 description 1
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- 239000011575 calcium Substances 0.000 description 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 229960002401 calcium lactate Drugs 0.000 description 1
- 235000011086 calcium lactate Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 239000008394 flocculating agent Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000004362 fungal culture Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 229960002442 glucosamine Drugs 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000013003 healing agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229960000829 kaolin Drugs 0.000 description 1
- ZDGGJQMSELMHLK-UHFFFAOYSA-N m-Trifluoromethylhippuric acid Chemical compound OC(=O)CNC(=O)C1=CC=CC(C(F)(F)F)=C1 ZDGGJQMSELMHLK-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- SHUZOJHMOBOZST-UHFFFAOYSA-N phylloquinone Natural products CC(C)CCCCC(C)CCC(C)CCCC(=CCC1=C(C)C(=O)c2ccccc2C1=O)C SHUZOJHMOBOZST-UHFFFAOYSA-N 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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- 231100000241 scar Toxicity 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 230000001225 therapeutic effect Effects 0.000 description 1
- 229960004072 thrombin Drugs 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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- 235000019168 vitamin K Nutrition 0.000 description 1
- 239000011712 vitamin K Substances 0.000 description 1
- 150000003721 vitamin K derivatives Chemical class 0.000 description 1
- 229940046010 vitamin k Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/36—Surgical swabs, e.g. for absorbency or packing body cavities during surgery
-
- A—HUMAN NECESSITIES
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
-
- A—HUMAN NECESSITIES
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/04—Antihaemorrhagics; Procoagulants; Haemostatic agents; Antifibrinolytic agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Oncology (AREA)
- Diabetes (AREA)
- Dermatology (AREA)
- Communicable Diseases (AREA)
- Surgery (AREA)
- Materials For Medical Uses (AREA)
Description
乾燥状態のサンプルの重さを測定し、W1として記録する。そのサンプルを十分な量のテスト液で濡らす。10分後、そのサンプルを角部で保持して1分間排液する。そのときの重さをW2とする。
サンプル1
2.4dtexセルロースステープルファイバー(オーストリア国のLenzing社製)を梳き、縫いつけて不織布を作る。
酢酸をサンプル1に加えて、濃度を20%w/wにする。得られた繊維を梳き、縫いつけて不織布にする。
酢酸をサンプル1に加えて、濃度を30%w/wにする。得られた繊維を梳き、縫いつけて不織布にする。
乳酸をサンプル1に加えて、濃度を10%w/wにする。得られた繊維を梳き、縫いつけて不織布にする。
酢酸をサンプル1に加えて、濃度を10%w/wにする。乳酸を加えて、追加後の濃度を10%w/wにする。得られた繊維を梳き、縫いつけて不織布にする。
1.7dtexキトサンステープルファイバーを梳き、縫いつけて不織布にする。
2.4dtexキトサンステープルファイバーを梳き、縫いつけて不織布にする。
10%w/wの酢酸と10%w/wのコハク酸とを、十分な量のエタノールにさらされて30℃で乾かされた1.7dtexキトサンステープルファイバーに加える。得られた繊維を梳き、縫いつけて不織布にする。
1.7dtexキトサンステープルファイバーを手で梳いて、吸収性の目が粗いウエブを作る。
2.4dtexキトサンステープルファイバーを手で梳いて、吸収性の目が粗いウエブを作る。
Sorbsan(英国のUnoMedical社製)、カーディングされたウエブ又は織物の中のアルギン酸繊維を用いる。
2.4dtexコットンステープルファイバーを手で梳いて、梳き、縫いつけられた不織布を作る。
ビスコース又はポリプロピレン製のサーマルボンド不織布(英国のLantor社製)を用いる。
0.5%硝酸銀を、十分な量のエタノールにさらされて60℃で乾かされた2.4dtexキトサンステープルファイバーに加える。得られた繊維を梳き、縫いつけて不織布にする。
2%ツイン20を、十分な量のエタノールにさらされて60℃で乾かされた2.4dtexキトサンステープルファイバーに加える。得られた繊維を梳き、縫いつけて不織布にする。
1%乳酸カルシウムを、十分な量のエタノールにされされて60℃で乾かされた2.4dtexキトサンステープルファイバーに加える。
得られた繊維を梳き、縫いつけて不織布にする。
サンプル1で使用する同様の2.4dtexセルロースステープルファイバーを、サンプル6で使用する同様のキトサンファイバーと50/50の割合でブレンドする。酸は加えない。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル18
サンプル2と同様の2.4dtexセルロースステープルファイバー(酢酸を付加)を、サンプル6と同様のキトサンファイバーと50/50の割合でブレンドする。
それ以上の酸は加えない。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル4と同様の2.4dtexセルロースステープルファイバー(酢酸を付加)を、サンプル6と同様のキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)を、サンプル6と同様のキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)を、サンプル7と同様のキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル3と同様の2.4dtexセルロースステープルファイバー(酢酸を付加)を、サンプル6と同様のキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)を、サンプル7と同様のキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、平らにして織物/網織物にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)と、2.4dtexセルロースステープルファイバー(酸は加えない)と、サンプル7と同様のキトサンファイバーとを25/25/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)と、2.4dtexセルロースステープルファイバー(酸は加えない)と、サンプル7で使用するキトサンファイバーとを25/25/50の割合でブレンドする。一体化した繊維を梳き、熱で結合して不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)を、サンプル14で使用するキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)を、サンプル15で使用するキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
サンプル5と同様の2.4dtexセルロースステープルファイバー(酢酸と乳酸を付加)を、サンプル16で使用するキトサンファイバーと50/50の割合でブレンドする。一体化した繊維を梳き、縫いつけて不織布にする。
Claims (14)
- 第1の材料と第2の材料を備え、これらの材料は、個別的に液体にさらす際には実質的にゲル化しないが、一緒に液体にさらす際にはゲル化するものであって、
前記第1の材料は、多糖類又は多糖類誘導体を含み、
前記第2の材料は、これに関連する不変的に接着することがない酸を含む創傷治療具。 - 前記第1の材料は、キトサン又は部分脱アセチル化キチンを含む請求項1に記載の創傷治療具。
- 前記第2の材料は、セルロース、セルロース誘導体、綿、アルギン酸塩、ビスコース、ポリプロピレン、ポリエチレン、又はそれらの組み合わせを含む請求項1又は2に記載の創傷治療具。
- 前記酸は、ギ酸、酢酸、アスコルビン酸、塩酸、硫酸、ハロゲン化酢酸、プロパン酸、プロペン酸、乳酸、コハク酸、アクリル酸、グリオキシル酸、ピルビン酸、ヒドロキシプロピオン酸、及びヒドロキシブタン酸から選ばれる請求項1〜3の何れか1項に記載の創傷治療具。
- 前記第1の材料及び第2の材料は、前記創傷治療具において層状に、又は区画して、又は混合状態で配置されている請求項1〜4の何れか1項に記載の創傷治療具。
- 前記第1の材料及び第2の材料は、繊維を備える請求項1〜5の何れか1項に記載の創傷治療具。
- 1種以上の治療薬をさらに含む、請求項1〜6の何れか1項に記載の創傷治療具。
- 1種以上の抗菌薬、1種以上の創傷治療薬、止血剤、成長因子、サイトカイン、及び/又は治療遅延因子を吸収する因子をさらに含む、請求項1〜7の何れか1項に記載の創傷治療具。
- 銀、銀塩、銀を含む化合物、銀を含む繊維、又はクロルヘキシジンを含む、前記1種以上の抗菌薬を備える請求項8に記載の創傷治療具。
- 請求項1〜9の何れか1項に記載の創傷治療具を備える繊維性の創傷用包帯。
- 請求項1〜9の何れか1項に記載の創傷治療具を備える止血材料。
- 2種以上の止血剤を含む請求項11に記載の止血材料。
- 前記止血剤は、キトサン及び多糖類から選ばれる1種以上である請求項11又は12に記載の止血材料。
- 個別的に液体にさらす際には実質的にゲル化しないが、一緒に液体にさらす際にはゲル化する第1の材料と第2の材料を準備する第1のステップであって、前記前記第1の材料は、多糖類又は多糖類誘導体を含み、前記第2の材料は、これに関連する不変的に接着することがない酸を含むものである第1のステップと、
前記第1の材料と第2の材料を混合する第2のステップとを含む、請求項1〜9の何れか1項に記載の創傷治療具を製造する方法。
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GB0817014.4 | 2008-09-17 | ||
GB0817014.4A GB2463523B (en) | 2008-09-17 | 2008-09-17 | Wound care device |
PCT/GB2009/002184 WO2010031995A2 (en) | 2008-09-17 | 2009-09-14 | Wound care device |
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EP (1) | EP2340053B1 (ja) |
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AU (1) | AU2009294454B2 (ja) |
CA (1) | CA2737446C (ja) |
DK (1) | DK2340053T3 (ja) |
ES (1) | ES2613054T3 (ja) |
GB (1) | GB2463523B (ja) |
PT (1) | PT2340053T (ja) |
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ES2613054T3 (es) | 2017-05-22 |
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