CA2435069A1 - Treatment solution for taking care of wounds and dressing material to be used together with said treatment solution - Google Patents
Treatment solution for taking care of wounds and dressing material to be used together with said treatment solution Download PDFInfo
- Publication number
- CA2435069A1 CA2435069A1 CA002435069A CA2435069A CA2435069A1 CA 2435069 A1 CA2435069 A1 CA 2435069A1 CA 002435069 A CA002435069 A CA 002435069A CA 2435069 A CA2435069 A CA 2435069A CA 2435069 A1 CA2435069 A1 CA 2435069A1
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- Prior art keywords
- dressing material
- layer
- preceeding
- solution
- material according
- 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
- 206010052428 Wound Diseases 0.000 title claims abstract description 60
- 208000027418 Wounds and injury Diseases 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 title claims description 108
- 239000000243 solution Substances 0.000 claims abstract description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011701 zinc Substances 0.000 claims abstract description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 230000001684 chronic effect Effects 0.000 claims abstract description 9
- 230000002980 postoperative effect Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 235000011149 sulphuric acid Nutrition 0.000 claims description 7
- 239000001117 sulphuric acid Substances 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- 230000000813 microbial effect Effects 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 3
- 239000011592 zinc chloride Substances 0.000 claims description 3
- 235000005074 zinc chloride Nutrition 0.000 claims description 3
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000000063 preceeding effect Effects 0.000 claims 15
- 238000007599 discharging Methods 0.000 claims 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims 2
- 230000004888 barrier function Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 51
- 230000035876 healing Effects 0.000 description 21
- 239000003570 air Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 230000029663 wound healing Effects 0.000 description 3
- 241000282887 Suidae Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- -1 10 -100 mg Zn and 6 Chemical compound 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010040943 Skin Ulcer Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- A61L15/44—Medicaments
-
- 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
- A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61F13/02—Adhesive bandages or dressings
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
- A61F13/022—Adhesive bandages or dressings with fluid retention members having more than one layer with different fluid retention characteristics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/30—Zinc; Compounds thereof
-
- 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
-
- 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
- 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
- A61F13/06—Bandages or dressings; Absorbent pads specially adapted for feet or legs; Corn-pads; Corn-rings
- A61F13/064—Bandages or dressings; Absorbent pads specially adapted for feet or legs; Corn-pads; Corn-rings for feet
- A61F13/069—Decubitus ulcer bandages
-
- 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
- A61F2013/00089—Wound bandages
- A61F2013/00157—Wound bandages for burns or skin transplants
-
- 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
- A61F2013/00089—Wound bandages
- A61F2013/00246—Wound bandages in a special way pervious to air or vapours
- A61F2013/00251—Wound bandages in a special way pervious to air or vapours with macroscopic openings
-
- 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
- A61F2013/00519—Plasters use for treating burn
-
- 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
- A61F2013/00544—Plasters form or structure
- A61F2013/00604—Multilayer
-
- 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
- A61F2013/00727—Plasters means for wound humidity control
- A61F2013/00731—Plasters means for wound humidity control with absorbing pads
- A61F2013/00744—Plasters means for wound humidity control with absorbing pads containing non-woven
-
- 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
- A61F2013/00855—Plasters pervious to air or vapours
- A61F2013/00859—Plasters pervious to air or vapours with macroscopic openings
-
- 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
- A61F2013/00855—Plasters pervious to air or vapours
- A61F2013/00885—Plasters pervious to air or vapours impervious, i.e. occlusive bandage
-
- 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
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/606—Coatings
- A61L2300/608—Coatings having two or more layers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Dermatology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Inorganic Chemistry (AREA)
- Materials For Medical Uses (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention relates to a treatment solution for treating or taking care of chronic or post-operative wounds which contains the following as an aqueous solution per litre of solution, in addition to water and acid: 10 100mg of zinc, 6.5 65mg of iron (Fe). The acid quota is selected in such a way that a pH value of approximately 2.5 3.5, preferably 2.8, is obtained.
Description
-~ ~ TREATMENT SOLUTION FOR TAKING CARE OF WOUNDS AND
DRESSING MATERIAL TO BE USED TOGETHER WITH SAID
TREATMENT SOLUTION
This invention refers to a treatment solution according to the introductory part of patent claim 1 as well to a dressing material according to the introductory part of claim It is basically known that the healing of wounds can be improved by providing a wet milieu, especially by using a medium which assists the healing of wounds or at least includes a medium having a medicament, for example appyling a solution or a gel. A
method used in practice nowadays is that the dressing material or a layer of this material comprising an absorbent material is soaked with the corresponding solution and that the dressing material then is applied onto the wound. With this procedure the way of handling is complicated and especially, when taking care of larger or deeper wounds and the necessity of changing the dressing material more often, special educated or trained personal will be repuired.
It is an object of this invention to propose a treatment medium and a dressing material which together with a simplified application results in improving the healing process of wounds, especially improving the healing of chronic or post-operative wounds.
This object is solved by a treatment solution according to the features of patent claim 1. A dressing material used for taking care of wounds, especially for treating chronic or post-operative wounds by means of the treatment solution is prepared according to patent claim 7.
DRESSING MATERIAL TO BE USED TOGETHER WITH SAID
TREATMENT SOLUTION
This invention refers to a treatment solution according to the introductory part of patent claim 1 as well to a dressing material according to the introductory part of claim It is basically known that the healing of wounds can be improved by providing a wet milieu, especially by using a medium which assists the healing of wounds or at least includes a medium having a medicament, for example appyling a solution or a gel. A
method used in practice nowadays is that the dressing material or a layer of this material comprising an absorbent material is soaked with the corresponding solution and that the dressing material then is applied onto the wound. With this procedure the way of handling is complicated and especially, when taking care of larger or deeper wounds and the necessity of changing the dressing material more often, special educated or trained personal will be repuired.
It is an object of this invention to propose a treatment medium and a dressing material which together with a simplified application results in improving the healing process of wounds, especially improving the healing of chronic or post-operative wounds.
This object is solved by a treatment solution according to the features of patent claim 1. A dressing material used for taking care of wounds, especially for treating chronic or post-operative wounds by means of the treatment solution is prepared according to patent claim 7.
The dressing material according to the subject invention has the advantage that in addition to its simple way of use allows the caring of chronic wounds or post-operative wound healing in a wet milieu by using the treatment medium for improving the healing of the wound, and, in addition thereto that the time period within which the dressing material is to be changed, is considerably increased. For example, when using the dressing material according to the invention it is possible to change the dressing only three days after the first treatment of the wound, which means at a time at which also a deep wound already is closed to such an extent that the danger of infections is considerably reduced. In view of the long time period the dressing material can be maintained applied to the wound, and this allows to keep the wound at rest, which is necessary for fast healing, especially within the first few days subsequent to treating the wound. This is possible because the chamber for the treatment medium is provided with at least one connector extending from the dressing material for refilling and/or renewing the treatment medium.
With the preferred embodiment of the invention characterised by a very effective and low-cost structure of the dressing material, the chamber is formed by at least one channel which is divided into several sections and/or windings across the surface of the treatment material. This channel preferably is at least one piece of hose.
Further embodiments of the invention are the subject matter of the subclaims.
In the following the invention is described by embodiments together with the figures of the drawings which show:
Figure 1 a schematic partial representation of the structure of layers of a dressing material according to the invention, whereby the individual layers which are actually connected within the dressing material in view of better understanding are shown separate from each other,in a type of an explosion view, figure 2 a simplified schematic representation/ top view of the material of figure 1, figures 4 - 7 different graphics showing the time slope of wound healings of experiments on animals.
In the drawings the dressing material 1, which is suitable for taking care of chronic --wounds, however, also for taking care of open, deep wounds, is substantially shown as a multi-layer flat material, for example in the shape of a square or rectangular cutting.
The shown embodiment of the dressing material 1 comprises a first, outer sterile layer 2 forming the coating to be applied onto the wound, and a perforated flat material, such as a perforated film or grid made of suitable plastics material, for example of PVC. The one-sheet outer layer 2 is followed by a layer 3 which is formed by several sheets of a sterile, absorbent air as well moisture permeable material, such as a coarse tissue or a non-woven material. With the embodiment according to this figure layer 3 comprises several sheets of a sterile gauze, for example is made of four sheets. The surface of the other side or the outer side of the dressing material 1, which when actually used is the outer surface of the dressing material opposite to the wound, is formed by a layer 4, which is made from one sheet in the shown embodiment consisting of a flat material or of a film, preferably a film of plastics material. The layer 4 has semipermeable characteristics which means is permeable for air and gas, however, is not permeable for liquid. At the inner side of layer 4 facing layer 3 a lumen or hose portion 5 is fastened which extends meander-type nearly across the entire surface of layer 4 and thus, across the entire surface of the dressing material 1 and forms two ends or connectors 6, which are laterally extending from the dressing material 1, with the shown embodiment in such a manner that these ends 6 extend away from each other at two opposing lateral sides 1' resp. 1 N of the dressing material.
The hose portion S, which forms a channel for receiving and distributing a treatment medium, especially an aqueous treatment medium, is designed along its length extending within the treatment material 1, which means between layers 3 and 4, in such a manner that a finely divided discharge of the treatment medium within the hose portion 5 into the layer 3 will be possible. For this purpose the hose portion 5 is finely such a manner that a finely divided discharge of the treatment medium within the hose portion 5 into the layer 3 will be possible. For this purpose the hose portion 5 is finely perforated. The protruding ends 6 preferably are formed by a hose length each which is without such perforations.
The individual layers 2, 3 and 4 with the hose portion 5 provided between layers 3 and 4 are connected with each other in a suitable manner, for example along the edge of the dressing material 1 and/or dotlike also within the dressing material 1.
In use the dressing material 1 with layer 2 is applied onto the wound to be taken care of and then is fastened along the edges by means of an adhesive tape 7 or in any other manner. In order to obtain improved healing of the wound in a wet milieu a solution suitable for wound treatment is supplied via end 6, for example through the upper end in figure 2, over a time period within which this solution is discharged at the other end or connector 6, and thus the entire chamber formed by the hose portion 5 is filled with said treatment solution. Subsequent thereto, both ends 6 are closed, for example by means of a suitable plug. The treatment solution leaving the hose portion 5 is finely divided across the entire surface of the dressing material and accordingly, also across the entire wound area. The solution within the hose portion 5 is renewed and substituted several times a day, f.e. two times a day.
By means of the dressing material according to the invention the wound is kept occlusive and wet in an optimum manner so that a substantially improved healing result for the wound will be obtained. The special advantage of the dressing material according to the invention is to be seen in that changing the dressing only will be required after several days, for example every three days only, so that also changing the dressing material for the first time generally is required after a time period, within which even a deep open wound has improved to such an extent that the danger of an additional infection by changing the dressing can be basically excluded. In view of the long time interval between applying a dressing material and the first change of said dressing material, especially also the resting of the wound required for the initial healing process within the first days subsequent to taking care of the wound is guaranted. The dressing material according to the subject invention also combines the advantages of healing the wound in a wet milieu with the advantage of a healing process of a long-period rest of the wound, which assists the healing process, especially within the first few days, considerably.
Figure 3 as a further embodiment of the invention shows a schematic view and in cross section a dressing material 1 a which is again made of a plurality of layers, and also serves the improved healing of the wound in a wet milieu. The dressing material 1~
comprises a lower layer 10 with which this material is applied onto the wound.
This layer 10 which forms the sterile coating on the wound, is made up by a sterile perforated flat material, such as a perforated or grid-like film of suitable plastics material, for example PVC or silicon.
Upon layer 10 a layer 11 is provided, which serves as a distributor layer for the treatment liquid, and is made of a sterile soft and absorbent material, such as gaze or a non-woven material (vleece). On the surface of layer 10 opposite to layer 11 another layer 12 is provided, which includes the liquid treatment medium in capsulated form so that by opening and breaking the layer 12 resp. the capsules there, the treatment medium is distributed over layer 11 to the underside of the distributor material, and thus is discharged to the wound area. Above layer 12 a cover layer 13 is provided which is made of semipermeable flat material, which means a flat material which is not permeable or substantially impermeable for the liquid treatment medium, however, is permeable for air and gas.
As shown in Figure 3 the cover layer 13 covers the dressing material 1a or alternatively the various layers and sheets of said dressing material also laterally, and is provided with a non-irritant adhesive coating 14 on the edge thereof, which is arranged at the level of the underside of layer 10. By using a withdrawable cover layer 15 the dressing material 1~ is closed in a sterile manner at that side on which it is applied to a wound.
Layer 15 when being used on a wound is removed.
With the preferred embodiment of the invention characterised by a very effective and low-cost structure of the dressing material, the chamber is formed by at least one channel which is divided into several sections and/or windings across the surface of the treatment material. This channel preferably is at least one piece of hose.
Further embodiments of the invention are the subject matter of the subclaims.
In the following the invention is described by embodiments together with the figures of the drawings which show:
Figure 1 a schematic partial representation of the structure of layers of a dressing material according to the invention, whereby the individual layers which are actually connected within the dressing material in view of better understanding are shown separate from each other,in a type of an explosion view, figure 2 a simplified schematic representation/ top view of the material of figure 1, figures 4 - 7 different graphics showing the time slope of wound healings of experiments on animals.
In the drawings the dressing material 1, which is suitable for taking care of chronic --wounds, however, also for taking care of open, deep wounds, is substantially shown as a multi-layer flat material, for example in the shape of a square or rectangular cutting.
The shown embodiment of the dressing material 1 comprises a first, outer sterile layer 2 forming the coating to be applied onto the wound, and a perforated flat material, such as a perforated film or grid made of suitable plastics material, for example of PVC. The one-sheet outer layer 2 is followed by a layer 3 which is formed by several sheets of a sterile, absorbent air as well moisture permeable material, such as a coarse tissue or a non-woven material. With the embodiment according to this figure layer 3 comprises several sheets of a sterile gauze, for example is made of four sheets. The surface of the other side or the outer side of the dressing material 1, which when actually used is the outer surface of the dressing material opposite to the wound, is formed by a layer 4, which is made from one sheet in the shown embodiment consisting of a flat material or of a film, preferably a film of plastics material. The layer 4 has semipermeable characteristics which means is permeable for air and gas, however, is not permeable for liquid. At the inner side of layer 4 facing layer 3 a lumen or hose portion 5 is fastened which extends meander-type nearly across the entire surface of layer 4 and thus, across the entire surface of the dressing material 1 and forms two ends or connectors 6, which are laterally extending from the dressing material 1, with the shown embodiment in such a manner that these ends 6 extend away from each other at two opposing lateral sides 1' resp. 1 N of the dressing material.
The hose portion S, which forms a channel for receiving and distributing a treatment medium, especially an aqueous treatment medium, is designed along its length extending within the treatment material 1, which means between layers 3 and 4, in such a manner that a finely divided discharge of the treatment medium within the hose portion 5 into the layer 3 will be possible. For this purpose the hose portion 5 is finely such a manner that a finely divided discharge of the treatment medium within the hose portion 5 into the layer 3 will be possible. For this purpose the hose portion 5 is finely perforated. The protruding ends 6 preferably are formed by a hose length each which is without such perforations.
The individual layers 2, 3 and 4 with the hose portion 5 provided between layers 3 and 4 are connected with each other in a suitable manner, for example along the edge of the dressing material 1 and/or dotlike also within the dressing material 1.
In use the dressing material 1 with layer 2 is applied onto the wound to be taken care of and then is fastened along the edges by means of an adhesive tape 7 or in any other manner. In order to obtain improved healing of the wound in a wet milieu a solution suitable for wound treatment is supplied via end 6, for example through the upper end in figure 2, over a time period within which this solution is discharged at the other end or connector 6, and thus the entire chamber formed by the hose portion 5 is filled with said treatment solution. Subsequent thereto, both ends 6 are closed, for example by means of a suitable plug. The treatment solution leaving the hose portion 5 is finely divided across the entire surface of the dressing material and accordingly, also across the entire wound area. The solution within the hose portion 5 is renewed and substituted several times a day, f.e. two times a day.
By means of the dressing material according to the invention the wound is kept occlusive and wet in an optimum manner so that a substantially improved healing result for the wound will be obtained. The special advantage of the dressing material according to the invention is to be seen in that changing the dressing only will be required after several days, for example every three days only, so that also changing the dressing material for the first time generally is required after a time period, within which even a deep open wound has improved to such an extent that the danger of an additional infection by changing the dressing can be basically excluded. In view of the long time interval between applying a dressing material and the first change of said dressing material, especially also the resting of the wound required for the initial healing process within the first days subsequent to taking care of the wound is guaranted. The dressing material according to the subject invention also combines the advantages of healing the wound in a wet milieu with the advantage of a healing process of a long-period rest of the wound, which assists the healing process, especially within the first few days, considerably.
Figure 3 as a further embodiment of the invention shows a schematic view and in cross section a dressing material 1 a which is again made of a plurality of layers, and also serves the improved healing of the wound in a wet milieu. The dressing material 1~
comprises a lower layer 10 with which this material is applied onto the wound.
This layer 10 which forms the sterile coating on the wound, is made up by a sterile perforated flat material, such as a perforated or grid-like film of suitable plastics material, for example PVC or silicon.
Upon layer 10 a layer 11 is provided, which serves as a distributor layer for the treatment liquid, and is made of a sterile soft and absorbent material, such as gaze or a non-woven material (vleece). On the surface of layer 10 opposite to layer 11 another layer 12 is provided, which includes the liquid treatment medium in capsulated form so that by opening and breaking the layer 12 resp. the capsules there, the treatment medium is distributed over layer 11 to the underside of the distributor material, and thus is discharged to the wound area. Above layer 12 a cover layer 13 is provided which is made of semipermeable flat material, which means a flat material which is not permeable or substantially impermeable for the liquid treatment medium, however, is permeable for air and gas.
As shown in Figure 3 the cover layer 13 covers the dressing material 1a or alternatively the various layers and sheets of said dressing material also laterally, and is provided with a non-irritant adhesive coating 14 on the edge thereof, which is arranged at the level of the underside of layer 10. By using a withdrawable cover layer 15 the dressing material 1~ is closed in a sterile manner at that side on which it is applied to a wound.
Layer 15 when being used on a wound is removed.
In use of the dressing material subsequent to removing the cover or protective layer 15 with the then exposed layer 10 is applied onto the wound and is bonded around the wound by means of an adhesive layer 14. By breaking the layer 12 the capsuled treatment liquid then is released.
Preferably, the dressing material 1 a is designed so that when changing the dressing the layer 10 of the dressing is separated from the adjacent layer 11, and the layer 10 is maintained on the wound so that the wound still can rest and thus, the healing process is not influenced by changing the dressing. When changing the dressing the freshly used dressing material then is equivalent to the dressing material 1~, however, without the layer 10, which means the structure is so that in addition to the protective layer 15 also the layer 10 can be removed from the dressing material 1~, if necessary.
As a treatment medium a solution is used which for example comprises an aqueous solution of zinc and iron, besides of distillated water and sulphuric acid, namely 10 -100 mg Zn and 6,5 - 65 mg Fe, for example 15 - 45 mg Zn and 10 -30 mg Fe per litre solution, whereby the share of sulphuric acid is chosen so that a pH-value between 2,5 and 3,5, preferably 2,8, is obtained. With a preferred embodiment a 95 - 97%
sulphuric acid is used. The distillated water is double distillated water according to DAB 10. As raw materials for example ZnCl2 and FeS04, about 20 - 209 mg ZnClz and 32 - 325 mg FeS04 per litre solution are suitable.
In the following a sample for the composition of the treatment solution is given:
One litre solution comprises Aqua bidestillata DAB 10 980 g FeS04 0,097 g ZnCL2 0,063 g the remaining is sulphuric acid 95 - 97% with a share until a pH-value of 2,8 is obtained.
In view of the low pH-value of the treatment medium said medium does not only result -in an acid and thus optimum wound milieu. Based on the acid milieu especially the metabolism improving the healing process is also stimulated. Furthermore, the treament medium by means of the acid in combination with the iron constituents also operates microbacteriostatically, which means that a milieu is generated which prevents the growth of germs and batteries, and acts repulsive on them so that inflammations caused by germs entering the wound and developing there will be effectively prevented.
The forementioned treatment medium (solution) is especially suitable in connection with the dressing material 1 resp. 1~ for treating or taking care of chronic wounds and burnings, as has been determined by experiments with animals. Experiments have been made with pigs by using the treatment medium described above with a constituent of 30 mg zinc and 20 mg iron per litre solution (in the following 0,003°/°
solution), with a comparable solution which only included 10 mg zinc and about 7 mg iron per litre solution (in the following 0,01 °/° solution) with a comparable solution including 100 mg zinc and 66 mg iron per litre solution (in the following 0,001 °I°
solution). By means of a further comparative series of experiments the healing process has been tested using known processes of taking care of wounds.
The results of said experiments on burnings are, as generally acknowledged, also relevant for the effectivity of taking care of chronic wounds, such as decubitus, ulcus cruris wound healing defects in connection with diabetes mellitus, etc.
The results are shown in the graphs according to Figures 4, 5, 6 and 7, namely in Figure 4 for the 0,001 % solution, in Figure 5 for the 0,01 % solution, in Figure 6 for the 0,003% solution, and in Figure 7 for a wound positioned just in open air. The Figures show that the best healing success has been obtained with the 0,003% solution.
Preferably, the dressing material 1 a is designed so that when changing the dressing the layer 10 of the dressing is separated from the adjacent layer 11, and the layer 10 is maintained on the wound so that the wound still can rest and thus, the healing process is not influenced by changing the dressing. When changing the dressing the freshly used dressing material then is equivalent to the dressing material 1~, however, without the layer 10, which means the structure is so that in addition to the protective layer 15 also the layer 10 can be removed from the dressing material 1~, if necessary.
As a treatment medium a solution is used which for example comprises an aqueous solution of zinc and iron, besides of distillated water and sulphuric acid, namely 10 -100 mg Zn and 6,5 - 65 mg Fe, for example 15 - 45 mg Zn and 10 -30 mg Fe per litre solution, whereby the share of sulphuric acid is chosen so that a pH-value between 2,5 and 3,5, preferably 2,8, is obtained. With a preferred embodiment a 95 - 97%
sulphuric acid is used. The distillated water is double distillated water according to DAB 10. As raw materials for example ZnCl2 and FeS04, about 20 - 209 mg ZnClz and 32 - 325 mg FeS04 per litre solution are suitable.
In the following a sample for the composition of the treatment solution is given:
One litre solution comprises Aqua bidestillata DAB 10 980 g FeS04 0,097 g ZnCL2 0,063 g the remaining is sulphuric acid 95 - 97% with a share until a pH-value of 2,8 is obtained.
In view of the low pH-value of the treatment medium said medium does not only result -in an acid and thus optimum wound milieu. Based on the acid milieu especially the metabolism improving the healing process is also stimulated. Furthermore, the treament medium by means of the acid in combination with the iron constituents also operates microbacteriostatically, which means that a milieu is generated which prevents the growth of germs and batteries, and acts repulsive on them so that inflammations caused by germs entering the wound and developing there will be effectively prevented.
The forementioned treatment medium (solution) is especially suitable in connection with the dressing material 1 resp. 1~ for treating or taking care of chronic wounds and burnings, as has been determined by experiments with animals. Experiments have been made with pigs by using the treatment medium described above with a constituent of 30 mg zinc and 20 mg iron per litre solution (in the following 0,003°/°
solution), with a comparable solution which only included 10 mg zinc and about 7 mg iron per litre solution (in the following 0,01 °/° solution) with a comparable solution including 100 mg zinc and 66 mg iron per litre solution (in the following 0,001 °I°
solution). By means of a further comparative series of experiments the healing process has been tested using known processes of taking care of wounds.
The results of said experiments on burnings are, as generally acknowledged, also relevant for the effectivity of taking care of chronic wounds, such as decubitus, ulcus cruris wound healing defects in connection with diabetes mellitus, etc.
The results are shown in the graphs according to Figures 4, 5, 6 and 7, namely in Figure 4 for the 0,001 % solution, in Figure 5 for the 0,01 % solution, in Figure 6 for the 0,003% solution, and in Figure 7 for a wound positioned just in open air. The Figures show that the best healing success has been obtained with the 0,003% solution.
The above-described treatment medium (solution) ~Iso can be used especially in connection with the dressing material 1 or 1~, for treating post-operative wounds, and improves the healing process considerably, as has been proven by experiments with -pigs. So far, animal experiments on pigs have been made with the above-described treatment medium and the dressing material 1. These experiments have shown that compared with the healing of wounds at ambient air a substantially faster healing process (reducing the healing process to about five days) and a substantial reduction in the formation of scars has been obtained.
Within Figure 2 reference numeral 16 characterises an indicator which with the shown embodiment comprises a substrate or strips of flat material provided with an indicator material, which in case that the dressing material becomes dry, so that the moisture of said dressing material 1 in use will be reduced below a predetermined value;
changes its colour. The indicator 16 is integrated into the dressing material 1 in such a manner that it is visible if the dressing material 1 is applied. With the shown embodiment the indicator 16 is provided underneath that layer which finishes the dressing material at the side opposite to the wound, which means with the dressing material 1 between layer 4 and layer 5, and with the dressing material 1~ underneath layer 13.
Suitable materials for indicators change their colour dependent on the moisture are known to the expert. Basically, an indicator material is suitable for the subject invention, which dependent on the pH-value changes it's colour because if the dressing material runs dry the pH-value changes.
In addition or instead of the indicator 16 which indicates if the dressing material runs dry, an indicator can be integrated into the dressing material 1 or 1a, which indicator is based on a possibly increased microbial contamination of the dressing material so that the dressing material can be changed in time. Also this indicator is formed according to indicator 16 and preferably is provided so that it is visible from the dressing applied to the patient, and consists of a carrier material which is provided with a substance altering it s colour with an increased microbial load or contamination, for example also by altering its pH-value.
Basically, there is also the possibility to position a corresponding indicator 16 at that 'side of the dressing material facing the wound, which indicator indicates the moisture content of the dressing and/or the microbial condition of the dressing.
Above, the invention has been described in connection with embodiments.
However, numerous alterations and revisions will be possible without leaving the idea on which the subject invention is based.
Reference List 1, 1a dressing material 1', 1 " peripheral edge 2 layer from sterile, perforated flat material made from plastics, such as PVC applied to the wound 3 protective layer made of a sterile soft and absorbent material, for example gauze 4 layer of a semi-permeable material 5 ~ hose portion 6 hose end or connector 7 adhesive tape 10, 11 layer 12 sheet 13 coverlayer 14 adhesive coating coverlayer 16 indicator
Within Figure 2 reference numeral 16 characterises an indicator which with the shown embodiment comprises a substrate or strips of flat material provided with an indicator material, which in case that the dressing material becomes dry, so that the moisture of said dressing material 1 in use will be reduced below a predetermined value;
changes its colour. The indicator 16 is integrated into the dressing material 1 in such a manner that it is visible if the dressing material 1 is applied. With the shown embodiment the indicator 16 is provided underneath that layer which finishes the dressing material at the side opposite to the wound, which means with the dressing material 1 between layer 4 and layer 5, and with the dressing material 1~ underneath layer 13.
Suitable materials for indicators change their colour dependent on the moisture are known to the expert. Basically, an indicator material is suitable for the subject invention, which dependent on the pH-value changes it's colour because if the dressing material runs dry the pH-value changes.
In addition or instead of the indicator 16 which indicates if the dressing material runs dry, an indicator can be integrated into the dressing material 1 or 1a, which indicator is based on a possibly increased microbial contamination of the dressing material so that the dressing material can be changed in time. Also this indicator is formed according to indicator 16 and preferably is provided so that it is visible from the dressing applied to the patient, and consists of a carrier material which is provided with a substance altering it s colour with an increased microbial load or contamination, for example also by altering its pH-value.
Basically, there is also the possibility to position a corresponding indicator 16 at that 'side of the dressing material facing the wound, which indicator indicates the moisture content of the dressing and/or the microbial condition of the dressing.
Above, the invention has been described in connection with embodiments.
However, numerous alterations and revisions will be possible without leaving the idea on which the subject invention is based.
Reference List 1, 1a dressing material 1', 1 " peripheral edge 2 layer from sterile, perforated flat material made from plastics, such as PVC applied to the wound 3 protective layer made of a sterile soft and absorbent material, for example gauze 4 layer of a semi-permeable material 5 ~ hose portion 6 hose end or connector 7 adhesive tape 10, 11 layer 12 sheet 13 coverlayer 14 adhesive coating coverlayer 16 indicator
Claims (21)
1. - Treatment solution for taking care of wounds, especially for the treatment of chronic and post-operative wounds, characterised by an aqueous solution which in addition to water and acid, preferably sulphuric acid includes per litre solution:
- 100 mg zinc (Zn) 6,5 - 65 mg iron (Fe), for example - 45 mg zinc 10 - 13 mg iron whereby the share of acid is chosen so that a pH-value of approximately 2,5 until 3,5, preferably of 2,8 is obtained.
- 100 mg zinc (Zn) 6,5 - 65 mg iron (Fe), for example - 45 mg zinc 10 - 13 mg iron whereby the share of acid is chosen so that a pH-value of approximately 2,5 until 3,5, preferably of 2,8 is obtained.
2. Treatment solution according to claim 1, characterised by using 95 - 97%
sulphuric acid.
sulphuric acid.
3. Treatment solution according to claim 1 or 2, characterised by the use of ZnCl2 as the zinc constituent, preferably in an amount of 10 - 100 mg per litre solution, for example 46 - 80 mg per litre solution.
4. Treatment solution according to any one of the preceeding claims, characterised by using FeSO4 as the iron constituent, preferably in an amount of 32 - 325 mg per litre solution, for example 80 - 114 mg per litre solution.
5. Treatment solution according to any one of the preceeding claims, characterised in that the solution per litre solution comprises approx. 30 mg zinc and 20 mg iron, preferably made by using about 63 mg ZnCl2 and about 97 mg FeSO4.
6. Treatment solution according to any one of the preceeding claims, characterised in that the aqueous solution in addition to zinc and iron merely includes distillated water and acid.
7. Dressing material for taking care of wounds, especially for chronic or post-operative wound treatment, using the treatment solution according to any one of the preceeding claims, comprising a plurality of layers, which are arranged adjacent to each other and joined together, namely at least one first perforated layer (2, 10) forming a covering on the wound, a second layer (3, 11), which is preferably multi-layered, is soft and at the same time is absorbent, and a third layer (4, 13) forming the outer surface of the dressing material when being used for treating a wound, characterised in that within the sequence of layers formed by said layers at least one chamber (5, 12) is provided for discharging a liquid treatment medium into the second layer (3, 11).
8. Dressing material according to claim 7, characterised in that at least one chamber (5) comprises at least one connector (6) for supplying a treatment medium at an outer surface of the dressing material (1), and is arranged on a wall for discharging of the treatment medium into the second layer (3) in a finely divided manner.
9. Dressing material according to claim 7 or 8, characterised in that the wall of the at least one chamber (5) is finely perforated.
10. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber (5) is formed as a channel and with several channel sections and/or windings extends across the surface of the dressing material (1).
11. Dressing material according to claim 10, characterised in that the at least one chamber (5) forms a connector (6) each at two ends thereof.
12. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber is formed by at least one hose portion (5).
13. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber (5, 12) is arranged between the third layer (4, 13) forming the outer surface of the dressing material. and a further layer, for example said second layer (3, 11).
14. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber (5, 12) is provided on that side of the second layer opposite to the first layer and adjacent thereto.
15. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber (5, 12) is provided in the second layer (3, 11) preferably formed as a multi-layer.
16. Dressing material according to any one of the preceeding claims, characterised in that the third layer (4, 13) is a semi-permeable layer, allowing the entrance of gas and air, however, forms a barrier for liquids.
17. Dressing material according to any one of the preceeding claims, characterised in that at least one connector (6) is extended from one side of the dressing material (1).
18. Dressing material according to any one of the preceeding claims, characterised in that at least one hose portion (5) is fastened to the third layer (4).
19. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber is formed by at least one capsule for receiving the treatment medium, preferably from a layer (12) of a plurality of capsules.
20. Dressing material according to any one of the preceeding claims, characterised in that the at least one chamber (5, 12) is used for receiving a treatment solution, which per litre solution in addition to water and acid, preferably sulphuric acid, comprises:
- 100 mg zinc (Zn) 6,5 - 65 mg iron (Fe), for example - 45 mg zinc 10 - 30 mg iron, whereby the share of acid is chosen so that a pH-value of approx. 2,5 until 3,5, preferably of 2,8 is obtained.
- 100 mg zinc (Zn) 6,5 - 65 mg iron (Fe), for example - 45 mg zinc 10 - 30 mg iron, whereby the share of acid is chosen so that a pH-value of approx. 2,5 until 3,5, preferably of 2,8 is obtained.
21. Dressing material according to any one of the preceeding claims, characterised by at least one indicator (16) for optically indicating the moisture content and/or the microbial load condition of the dressing material.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20103576 | 2001-01-18 | ||
DE20103576.6 | 2001-01-18 | ||
DE20103716U DE20103716U1 (en) | 2001-01-18 | 2001-03-05 | Dressing material and treatment solution for use with the dressing material |
DE20103716.5 | 2001-03-05 | ||
DE10139400A DE10139400A1 (en) | 2001-01-18 | 2001-08-10 | Wound dressing, especially useful for skin grafts, includes an internal chamber with an extension through which a treatment medium can be supplied |
DE10139398.9 | 2001-08-10 | ||
DE10139398A DE10139398A1 (en) | 2001-01-18 | 2001-08-10 | Wound dressing, especially useful for skin grafts, includes an internal chamber with an extension through which a treatment medium can be supplied |
DE10139400.4 | 2001-08-10 | ||
PCT/DE2002/000031 WO2002056896A2 (en) | 2001-01-18 | 2002-01-09 | Treatment solution in addition to dressing material for caring for wounds |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2435069A1 true CA2435069A1 (en) | 2002-07-25 |
Family
ID=27438000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002435069A Abandoned CA2435069A1 (en) | 2001-01-18 | 2002-01-09 | Treatment solution for taking care of wounds and dressing material to be used together with said treatment solution |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1383519A2 (en) |
JP (1) | JP4285993B2 (en) |
CN (1) | CN1292802C (en) |
AU (1) | AU2002231596A1 (en) |
CA (1) | CA2435069A1 (en) |
WO (1) | WO2002056896A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10780114B2 (en) | 2015-06-12 | 2020-09-22 | Jfe Mineral Company, Ltd. | Therapeutic agent for skin wound or rough skin |
JP6694431B2 (en) * | 2015-06-12 | 2020-05-13 | Jfeミネラル株式会社 | Remedy for skin wounds or rough skin |
US10987380B2 (en) | 2016-12-09 | 2021-04-27 | Jfe Mineral Company, Ltd. | Hydrozincite containing zinc carbonate hydroxide hydrate and method of making |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3929411A1 (en) * | 1988-09-22 | 1990-03-29 | Siegfried Natterer | Pharmaceutical preparation and process for its preparation |
AU2002231597A1 (en) * | 2001-01-18 | 2002-07-30 | Nawa-Heilmittel Gmbh | Dressing material in addition to treatment solution for use with said dressing material |
-
2002
- 2002-01-09 CA CA002435069A patent/CA2435069A1/en not_active Abandoned
- 2002-01-09 WO PCT/DE2002/000031 patent/WO2002056896A2/en active Application Filing
- 2002-01-09 JP JP2002557403A patent/JP4285993B2/en not_active Expired - Lifetime
- 2002-01-09 AU AU2002231596A patent/AU2002231596A1/en not_active Abandoned
- 2002-01-09 EP EP02711764A patent/EP1383519A2/en not_active Withdrawn
- 2002-01-09 CN CNB02804665XA patent/CN1292802C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2002056896A3 (en) | 2003-11-27 |
JP4285993B2 (en) | 2009-06-24 |
CN1538855A (en) | 2004-10-20 |
AU2002231596A1 (en) | 2002-07-30 |
JP2004534560A (en) | 2004-11-18 |
CN1292802C (en) | 2007-01-03 |
EP1383519A2 (en) | 2004-01-28 |
WO2002056896A2 (en) | 2002-07-25 |
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