CA2895625A1 - Ph indicator dressing - Google Patents
Ph indicator dressing Download PDFInfo
- Publication number
- CA2895625A1 CA2895625A1 CA2895625A CA2895625A CA2895625A1 CA 2895625 A1 CA2895625 A1 CA 2895625A1 CA 2895625 A CA2895625 A CA 2895625A CA 2895625 A CA2895625 A CA 2895625A CA 2895625 A1 CA2895625 A1 CA 2895625A1
- Authority
- CA
- Canada
- Prior art keywords
- wound
- colour
- indicator
- dressing
- exudate
- 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.)
- Abandoned
Links
- 239000007793 ph indicator Substances 0.000 title claims abstract description 119
- 210000000416 exudates and transudate Anatomy 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims description 65
- -1 phenylazo compound Chemical class 0.000 claims description 62
- 230000004044 response Effects 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- 238000009472 formulation Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 206010052428 Wound Diseases 0.000 description 354
- 208000027418 Wounds and injury Diseases 0.000 description 351
- 239000010410 layer Substances 0.000 description 148
- 239000000975 dye Substances 0.000 description 64
- 238000005259 measurement Methods 0.000 description 48
- 239000012530 fluid Substances 0.000 description 44
- 239000002250 absorbent Substances 0.000 description 38
- 230000002745 absorbent Effects 0.000 description 34
- 239000000463 material Substances 0.000 description 30
- 239000006260 foam Substances 0.000 description 29
- 239000000523 sample Substances 0.000 description 21
- 210000002966 serum Anatomy 0.000 description 20
- 239000000243 solution Substances 0.000 description 19
- 239000000853 adhesive Substances 0.000 description 18
- 230000001070 adhesive effect Effects 0.000 description 18
- 230000002378 acidificating effect Effects 0.000 description 16
- 235000013372 meat Nutrition 0.000 description 15
- 239000012790 adhesive layer Substances 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 238000009826 distribution Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 10
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- 238000009581 negative-pressure wound therapy Methods 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 7
- NCFGIICRROZNFI-UHFFFAOYSA-N 2-fluoro-4-[[4-(2-hydroxyethylsulfonyl)phenyl]diazenyl]-6-methoxyphenol Chemical compound FC1=C(C(=CC(=C1)N=NC1=CC=C(C=C1)S(=O)(=O)CCO)OC)O NCFGIICRROZNFI-UHFFFAOYSA-N 0.000 description 6
- 229920005439 Perspex® Polymers 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 2
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- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
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- 210000000056 organ Anatomy 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
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- 229940044192 2-hydroxyethyl methacrylate Drugs 0.000 description 1
- 206010058808 Abdominal compartment syndrome Diseases 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
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- 241001677188 Coccus viridis Species 0.000 description 1
- 206010056340 Diabetic ulcer Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000035874 Excoriation Diseases 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000002623 Intra-Abdominal Hypertension Diseases 0.000 description 1
- 208000034693 Laceration Diseases 0.000 description 1
- 229920000433 Lyocell Polymers 0.000 description 1
- 206010028885 Necrotising fasciitis Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002413 Polyhexanide Polymers 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 229920001247 Reticulated foam Polymers 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 206010040047 Sepsis Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 206010048625 Skin maceration Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
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- 238000005299 abrasion Methods 0.000 description 1
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 210000002950 fibroblast Anatomy 0.000 description 1
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- CLJTZNIHUYFUMR-UHFFFAOYSA-M sodium;hydrogen carbonate;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound [Na+].OC([O-])=O.OC(=O)CC(O)(C(O)=O)CC(O)=O CLJTZNIHUYFUMR-UHFFFAOYSA-M 0.000 description 1
- 239000002195 soluble 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
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/14539—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring pH
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
-
- 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
- A61F13/00051—Accessories for dressings
- A61F13/00055—Saturation indicators
-
- 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
- A61F13/00051—Accessories for dressings
- A61F13/00059—Accessories for dressings provided with visual effects, e.g. printed or colored
-
- 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
- A61F13/00051—Accessories for dressings
- A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- 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
- A61F2013/00361—Plasters
- A61F2013/00365—Plasters use
- A61F2013/00429—Plasters use for conducting tests
-
- 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
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/0094—Plasters containing means for sensing physical parameters
- A61F2013/00948—Ph, e.g. acid
-
- 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
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
- A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/20—Blood composition characteristics
- A61M2230/208—Blood composition characteristics pH-value
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Optics & Photonics (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- External Artificial Organs (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1317742.3 | 2013-10-08 | ||
| GBGB1317742.3A GB201317742D0 (en) | 2013-10-08 | 2013-10-08 | Ph indicator dressing |
| PCT/EP2014/071510 WO2015052219A1 (en) | 2013-10-08 | 2014-10-08 | Ph indicator dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2895625A1 true CA2895625A1 (en) | 2015-04-16 |
Family
ID=49630326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2895625A Abandoned CA2895625A1 (en) | 2013-10-08 | 2014-10-08 | Ph indicator dressing |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20160262672A1 (enExample) |
| EP (1) | EP3054909A1 (enExample) |
| JP (2) | JP2017500167A (enExample) |
| CN (1) | CN105592834B (enExample) |
| AU (2) | AU2014333835B2 (enExample) |
| BR (1) | BR112015013464A2 (enExample) |
| CA (1) | CA2895625A1 (enExample) |
| GB (1) | GB201317742D0 (enExample) |
| RU (1) | RU2015139561A (enExample) |
| WO (1) | WO2015052219A1 (enExample) |
| ZA (1) | ZA201503618B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018211458A1 (en) * | 2017-05-17 | 2018-11-22 | Uvic Industry Partnerships Inc. | Wound covering for wound monitoring and therapeutic agent delivery |
| CN112334100A (zh) * | 2018-06-22 | 2021-02-05 | 维塔尔康奈克特公司 | 粘合覆盖物 |
Families Citing this family (81)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201317746D0 (en) | 2013-10-08 | 2013-11-20 | Smith & Nephew | PH indicator |
| US10302088B2 (en) | 2013-06-20 | 2019-05-28 | Luraco, Inc. | Pump having a contactless, fluid sensor for dispensing a fluid to a setting |
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| MX2019000234A (es) | 2016-07-08 | 2019-09-06 | Convatec Technologies Inc | Aparato de recoleccion de fluidos. |
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| WO2018226691A1 (en) | 2017-06-07 | 2018-12-13 | Kci Licensing, Inc. | Methods for manufacturing and assembling dual material tissue interface for negative-pressure therapy |
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| BR112019025760A2 (pt) | 2017-06-07 | 2020-06-23 | Kci Licensing, Inc. | Curativo para tratar um local de tecido com pressão negativa, aparelho para tratar um local de tecido com pressão negativa,sistema para tratar um local de tecido, uso de qualquer um dos curativos,aparelhos ou sistemas, método para tratar um ferimento superficial com pressão negativa, método para promover granulação em um ferimento superficial e sistemas, aparelhos e métodos |
| WO2018226687A1 (en) | 2017-06-07 | 2018-12-13 | Kci Licensing, Inc. | Methods for manufacturing and assembling dual material tissue interface for negative-pressure therapy |
| JP2020523073A (ja) | 2017-06-07 | 2020-08-06 | ケーシーアイ ライセンシング インコーポレイテッド | 陰圧治療のための剥がして貼るドレッシング |
| CN110799222B (zh) | 2017-06-07 | 2023-03-07 | 3M创新知识产权公司 | 用于减少组织向内生长的负压治疗的系统、设备以及方法 |
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| GB201804502D0 (en) | 2018-03-21 | 2018-05-02 | Smith & Nephew | Biocompatible encapsulation and component stress relief for sensor enabled negative pressure wound therapy dressings |
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| FR3074047B1 (fr) * | 2017-11-30 | 2019-12-20 | Biomerieux | Dispositifs medicaux non-implantables integrant un dispositif de detection et/ou d'identification d'infections microbiologiques |
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| US10278894B1 (en) | 2018-02-05 | 2019-05-07 | Luraco, Inc. | Jet assembly having a friction-reducing member |
| EP3773383A1 (en) * | 2018-03-30 | 2021-02-17 | 3M Innovative Properties Company | An absorbent dressing incorporating ph wound condition indication |
| US11752253B2 (en) * | 2018-04-13 | 2023-09-12 | Kci Licensing, Inc. | NPWT system with selectively controllable airflow |
| GB201814011D0 (en) | 2018-08-29 | 2018-10-10 | Smith & Nephew | Componet positioning and encapsulation for sensor enabled wound dressings |
| WO2020053290A1 (en) | 2018-09-12 | 2020-03-19 | Smith & Nephew Plc | Device, apparatus and method of determining skin perfusion pressure |
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| GB201820927D0 (en) | 2018-12-21 | 2019-02-06 | Smith & Nephew | Wound therapy systems and methods with supercapacitors |
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| WO2020154107A1 (en) * | 2019-01-23 | 2020-07-30 | Kci Licensing, Inc. | Wound dressing with selective and dynamic transparency |
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| EP4570219A1 (en) | 2019-03-18 | 2025-06-18 | Smith & Nephew plc | Design rules for sensor integrated substrates |
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| US20220160549A1 (en) * | 2019-03-25 | 2022-05-26 | Kci Licensing, Inc. | Systems and methods for sensing ph of fluids on wound tissue interface |
| US11506658B2 (en) | 2019-04-24 | 2022-11-22 | Progenitec, Inc. | System for analysis of body fluids and wound-associated biomolecules |
| GB201914443D0 (en) | 2019-10-07 | 2019-11-20 | Smith & Nephew | Sensor enabled negative pressure wound monitoring apparatus with different impedances inks |
| GB201914706D0 (en) | 2019-10-11 | 2019-11-27 | Smith & Nephew | Apparatuses and methods for negative pressure wound therapy with switcheable fluid management |
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| GB202003203D0 (en) | 2020-03-05 | 2020-04-22 | Smith & Nephew | Sensor integrated dressings and systems |
| JP7798783B2 (ja) | 2020-04-21 | 2026-01-14 | ティージェイ スミス アンド ネフュー リミテッド | 拡張現実オーバーレイを使用する創傷治療管理 |
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| GB202007391D0 (en) | 2020-05-19 | 2020-07-01 | Smith & Nephew | Patient protection from unsafe electric current in sensor integrated dressings and systems |
| CN111728773A (zh) * | 2020-07-06 | 2020-10-02 | 南京鼓楼医院 | 一种阻止胸腹水外渗的医用胶贴 |
| CN111978507A (zh) * | 2020-07-20 | 2020-11-24 | 温州大学 | 一种pH响应变色聚氨酯水凝胶的制备方法 |
| US11497892B2 (en) | 2020-07-27 | 2022-11-15 | Pascal Dabel | Closed circuit dressing system for PICC sites and PICC lines |
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| CN114432485A (zh) * | 2022-02-15 | 2022-05-06 | 周建大 | 一种pH响应季铵盐抗菌敷料及其制备方法 |
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| WO2024186960A1 (en) * | 2023-03-09 | 2024-09-12 | Hollister Incorporated | Hydrogel for ostomy appliances |
| EP4676552A1 (en) * | 2023-03-09 | 2026-01-14 | Hollister Incorporated | Ph sensing skin adhesive including mesoporous particles |
| CN118846181B (zh) * | 2024-06-27 | 2025-01-28 | 无锡市第二人民医院 | 一种具有抗菌功能的敷料及其制备方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1084403B (de) * | 1957-12-03 | 1960-06-30 | Hoechst Ag | Verfahren zur Herstellung von wasserunloeslichen Azofarbstoffen |
| EP0086773A1 (en) * | 1981-08-26 | 1983-08-31 | TOWSEND, Marvin S | Disposable article with non-leachable saline water indicator |
| US4813942A (en) * | 1987-03-17 | 1989-03-21 | Bioderm, Inc. | Three step wound treatment method and dressing therefor |
| US5181905A (en) * | 1989-11-28 | 1993-01-26 | Eric Flam | Method of monitoring the condition of the skin or wound |
| AU2264799A (en) * | 1998-01-30 | 1999-08-16 | Coloplast A/S | An article having a surface showing adhesive properties |
| US7183455B2 (en) * | 2002-08-27 | 2007-02-27 | Drdc Limited | Adhesive dressing |
| GB2408330B (en) * | 2003-11-22 | 2008-12-03 | Advanced Gel Technology Ltd | Polymeric materials comprising pH indicators for use in wound dressings |
| DE102004001594B4 (de) * | 2004-01-09 | 2006-09-21 | Bio-Gate Ag | Wundauflage und Verfahren zu deren Herstellung |
| CN100484501C (zh) * | 2004-06-30 | 2009-05-06 | 科洛普拉斯特公司 | 粘性的皮肤平片产品及其制备方法 |
| CA2570051A1 (en) * | 2004-06-30 | 2006-01-12 | Coloplast A/S | Skin plate adhesive product and method for its manufacture |
| WO2006042871A1 (es) * | 2004-09-14 | 2006-04-27 | Sator & Fata, S.L. | Compresa de uso femenino |
| US7749531B2 (en) * | 2005-06-08 | 2010-07-06 | Indicator Systems International | Apparatus and method for detecting bacterial growth beneath a wound dressing |
| KR20060133139A (ko) * | 2005-06-20 | 2006-12-26 | 오상준 | 피부검사용 부착제 |
| US7622629B2 (en) * | 2005-12-15 | 2009-11-24 | Aalnex, Inc. | Wound shield for exudate management |
| MX2010005553A (es) * | 2007-11-21 | 2010-06-01 | Smith & Nephew | Aposito para heridas. |
| JP2012157438A (ja) * | 2011-01-31 | 2012-08-23 | Dainippon Printing Co Ltd | 吸収性物品 |
| US8911681B2 (en) * | 2011-09-12 | 2014-12-16 | Kimberly-Clark Worldwide, Inc. | Wetness indicator having varied hues |
| US9622914B2 (en) * | 2011-09-14 | 2017-04-18 | Kci Licensing, Inc. | Reduced-pressure systems and methods employing a leak-detection member |
-
2013
- 2013-10-08 GB GBGB1317742.3A patent/GB201317742D0/en not_active Ceased
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- 2014-10-08 BR BR112015013464A patent/BR112015013464A2/pt not_active IP Right Cessation
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018211458A1 (en) * | 2017-05-17 | 2018-11-22 | Uvic Industry Partnerships Inc. | Wound covering for wound monitoring and therapeutic agent delivery |
| US12138140B2 (en) | 2017-05-17 | 2024-11-12 | Uvic Industry Partnerships Inc | Wound covering for wound monitoring and therapeutic agent delivery |
| CN112334100A (zh) * | 2018-06-22 | 2021-02-05 | 维塔尔康奈克特公司 | 粘合覆盖物 |
Also Published As
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| US20160262672A1 (en) | 2016-09-15 |
| JP2019072555A (ja) | 2019-05-16 |
| ZA201503618B (en) | 2016-03-30 |
| EP3054909A1 (en) | 2016-08-17 |
| CN105592834B (zh) | 2020-07-17 |
| BR112015013464A2 (pt) | 2017-07-11 |
| CN105592834A (zh) | 2016-05-18 |
| WO2015052219A1 (en) | 2015-04-16 |
| RU2015139561A (ru) | 2017-11-16 |
| JP2017500167A (ja) | 2017-01-05 |
| AU2014333835B2 (en) | 2019-05-02 |
| RU2015139561A3 (enExample) | 2018-07-02 |
| GB201317742D0 (en) | 2013-11-20 |
| AU2019210618B2 (en) | 2021-02-04 |
| AU2019210618A1 (en) | 2019-08-22 |
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