CN107669405A - For handling the wound dressing of wound in moist or moist environment - Google Patents
For handling the wound dressing of wound in moist or moist environment Download PDFInfo
- Publication number
- CN107669405A CN107669405A CN201710874124.6A CN201710874124A CN107669405A CN 107669405 A CN107669405 A CN 107669405A CN 201710874124 A CN201710874124 A CN 201710874124A CN 107669405 A CN107669405 A CN 107669405A
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- China
- Prior art keywords
- wound
- layer
- suction
- wound dressing
- irrigation
- Prior art date
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- Pending
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- 239000000463 material Substances 0.000 claims abstract description 53
- 238000003973 irrigation Methods 0.000 claims abstract description 43
- 230000002262 irrigation Effects 0.000 claims abstract description 43
- 239000002985 plastic film Substances 0.000 claims abstract description 18
- 229920006255 plastic film Polymers 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 239000004753 textile Substances 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 26
- -1 polypropylene Polymers 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 16
- 239000004745 nonwoven fabric Substances 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 13
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 229920000098 polyolefin Polymers 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229920003043 Cellulose fiber Polymers 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 abstract description 115
- 206010052428 Wound Diseases 0.000 abstract description 114
- 230000035876 healing Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 150000004283 biguanides Chemical class 0.000 description 4
- 229940123208 Biguanide Drugs 0.000 description 3
- 206010048629 Wound secretion Diseases 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 150000003868 ammonium compounds Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- ZVXNYZWXUADSRV-UHFFFAOYSA-N octenidine Chemical compound C1=CC(=NCCCCCCCC)C=CN1CCCCCCCCCCN1C=CC(=NCCCCCCCC)C=C1 ZVXNYZWXUADSRV-UHFFFAOYSA-N 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 206010012665 Diabetic gangrene Diseases 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 229960001774 octenidine Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- AJKIRUJIDFJUKJ-UHFFFAOYSA-N taurolidine Chemical compound C1NS(=O)(=O)CCN1CN1CNS(=O)(=O)CC1 AJKIRUJIDFJUKJ-UHFFFAOYSA-N 0.000 description 1
- 229960004267 taurolidine Drugs 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
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
- A61F13/02—Adhesive bandages or dressings
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
- A61F13/0206—Adhesive bandages or dressings with fluid retention members with absorbent fibrous layers, e.g. woven or non-woven absorbent pads or island dressings
-
- 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
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
-
- 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
- A61F2013/00217—Wound bandages not adhering to the wound
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention relates to the wound dressing for handling wound in moist or moist environment,With suction/irrigation body,Distribution accommodates superabsorbent material,Suction/irrigation body has been applied in salt-containing solution at manufacturer,It includes the material with antibacterial action,With parcel,Parcel includes the layer made of textile plane material,This layer includes the coating of healing wounds,It is made up of silicone,With up to 70% coverage,Parcel includes nonwoven layer,Which form the outside viewable side that wound dressing deviates from wound,And the plastic film layer of liquid-tight is arranged on the side towards wound of the nonwoven layer,Nonwoven layer,Plastic film layer,Suction/irrigation body and made of textile plane material layer not into face be connected to each other,But placed loosely and with being mutually shifted with its planar side,Nonwoven layer,Plastic film layer,Suction/irrigation body and layer is connected to each other only along its ring circumferential edges by engaging connection made of textile plane material.
Description
Technical field
The present invention relates to a kind of wound dressing for being used to handle wound in moist or moist environment, have and be based on non-woven fabrics
Suction/irrigation body, distribution accommodates superabsorbent material in suction/irrigation body, wherein, suction/irrigation body is at manufacturer
Salt-containing solution, especially ringer's solution are applied in, it preferably comprises the material with antibacterial effect, and has and form wound
The covering portion of viewable side outside dressing, wherein, covering portion includes being made up of textile plane material in wound dressing towards wound side,
The layer especially made of knitted fabric, braid or yarn fabric, wherein, the layer made of textile plane material is towards wound
Side on there is coating applying in Outboard Sections and structuring, playing anti-wound, be preferably made up of silicone, it is with high
Up to 70% coverage.
Background technology
This wound dressing is known from the A1 of WO 2011/141454 or EP 0 594 034 B1 of the applicant.
This is related to wound cushion or compression shape wound dressing, and it can be placed in wound or can be used for wrap up deeper wound
Wound.Salt-containing solution is applied at manufacturer especially for suction/irrigation body until saturation, the salt-containing solution gush out super-absorbent
Material, the superabsorbent material are converted to gel state.This causes suction/irrigation body playing lasting work with the site of injury oozed out by force
With.Wound secretion (including its key components such as microorganism) is actively received and is held therein in by suction/irrigation body,
Salt-containing solution is instead exported to wound and thus provides or support moist wound environment by suction/irrigation body phase.Thus support
Wound cleans and positive wound conditioning, and thus actively impact heals.Wet treatment is referred to herein as interacted, it especially is being not easy to heal
Wound, the wound that clinically significantly infects or in the chronic trauma in various sources, such as diabetic gangrene, bedsore or burst
It is preferably used in ulcer.
In the ringer's solution referred to before, the aqueous solution for typically relating to have sodium chloride, potassium chloride and calcium chloride is (outstanding
It is every liter of 8.6g NaCl, 0.3g KCl and 0.33g CaCl2)。
Change interval time, i.e., the usage time that wound dressings to next bandage are changed should be at least 24 hours, wherein
It efforts be made so that changing interval time improves, and is improved particularly to 48 to 72 hours.This is also from the point of view of economic angle is runed
It is desired from the point of view of the reason for the causing to disturb wound healing that frequently more change a bandage.
US2008/0082059A1 is referred to the wound dressings with suction body being integrated into under-voltage wound bandages, for
Suction body is referred to multiple material and material supplementary element in different lists, and especially variety carrier material, multiple material is attached
Addition point, including base biguanides and isotonic salt solution.The specific composition of suction body and its covering portion is not disclosed.WO
2010/024928A1 discloses a kind of compound, including film layer, collagen layer and the hydrogel layer with base biguanides.WO 2003/
039602 A2 is taught covalently engages supported polymerisation in the material for absorbing wound exudate by antibacterial action group
On thing, and thus position thereunto.
The content of the invention
The present invention based on task be to improve beginning in terms of its economic manufacturing to refer to the wound dressing of type.In addition should
The improvement its can drapability and flexible.
The task solves in the following way in wound dressings according to the present invention, i.e. wound dressings deviate from wound side
On covering portion include nonwoven layer, which form the outside viewable side away from wound of wound dressings, and in the non-woven fabrics
The plastic film layer that liquid-tight is disposed with towards wound side of layer, and nonwoven layer, plastic film layer, suction body and by spinning plane
Layer made of material is not connected to each other into face, but loosely and is movably mutually rested against with its planar side, wherein, nonwoven
Layer of cloth, plastic film layer, suction body and made of spinning plane material layer only along its ring circumferential edges by engage connection come that
This connection.
The outside viewable side towards wound of wound dressings is not formed with plastic film layer like that to known product but used
Nonwoven layer is formed, so as to improve the tactile of wound dressing and sense of touch can gripability, including during by instrument, because nonwoven
Layer of cloth is less cunning compared to plastic film layer, and it is anti-skidding to be known as completely in dampness.In addition, especially with
Sensation when contacting during the finger contact of nursing staff and with patient's head surface is improved and is comfortable.Then, it is proved to be
Advantageously, the flexible of wound dressing of the invention and can drapability improved.Surprisingly, not in nonwoven layer
Outside but the plastic film layer arranged on its side towards wound do not prevent the flexible of wound dressings and can dangled
Property, this can also infer that, these layers are not plane earths but are connected to each other only along its edge, so as to which it is according to the present invention
Only movably rested against loosely and mutually with its planar side.In addition, it was demonstrated that particularly advantageously, the layer connection only edge that should not be scattered
Its ring circumferential edges simultaneously in order to each wound dressing is isolated from the bigger planar materials arrangement in manufacturing process and
Using.Being manufactured in for preferably all layers of edge side engagement connection is to be used simultaneously in manufacture separation or split to cut open in wound dressing
Face or process.
The engagement for being only defined edge side connection between layer can be formed advantageously by ultra-sonic welded or laser welding.It is super
Sound or laser welding can include the subsequent sequences of discrete solder joint.These solder joints however also can quasi-continuous ground arranged in succession so that
Visually see to form the impression of continuous connecting line.
Nonwoven layer on mentioned visual angle can be by thermoplastic fiber materials, especially by polyolefin, especially by gathering
Propylene is formed.
15-100g/m is preferably in the weight per unit area of nonwoven layer of the wound dressing on wound side2, it is more excellent
20-60g/m2, especially more excellent 25-40g/m2.It will be advantageous that, it is especially identical by two of nonwoven cloth material as nonwoven layer
Material coating be stacked, preferably there is 25-40g/m respectively2Weight per unit area.In this manner, forming edge side engagement
Can be with lifting process security during connection.
In addition prove advantageously, the density of nonwoven layer of the wound dressing on wound side is 10-1000kg/
m3, preferably 50-250kg/m3, particularly preferred 100-150kg/m3。
In addition prove advantageously, the plastic film layer of liquid-tight is by thermoplastic, especially by polyolefin, especially by poly- third
Alkene is formed.
Also confirm advantageously, the plastic film layer of liquid-tight has 5-100g/m2, preferably 8-50g/m2, particularly preferred 10-
25g/m2Weight per unit area and 5-100 μm, preferably 8-50 μm, particularly preferred 10-25 μm of thickness.
Prove advantageously, the suction/irrigation body based on non-woven fabrics includes cellulose fibre, especially cellulose fibre
With the mixture of thermoplastic fibre (especially polyolefine fiber, especially polypropylene fibre or polypropylene, polyethylene fiber).
Here, the weight per unit area of the fiber component of suction/irrigation body advantageously 20 to 500g/m2, preferably 30-
300g/m2, particularly preferred 30-200g/m2, especially 30-150g/m2。
Prove advantageously, the density of the fiber component of suction/irrigation body is 20-500kg/m3, preferably 30-300kg/
m3, particularly preferred 50-200kg/m3.Also confirm as advantageously, layer is formed by spinning plane material, the spinning plane material by
Thermoplastic, especially formed by polyolefin, especially by polypropylene.
Also confirming as advantageously, coverage that part and structuring apply, acting the coating for preventing wound is 20-
70%th, especially 25-50%, especially 30-40%.
Also confirm as advantageously, it is that part and structuring apply, serve and prevent the coating of wound to be configured to ribbon
's.Here, band line style stretches.Band is preferably parallel to each other or equidistantly extended.The width of band is advantageously 1 to 3mm.Bar
4 to 8mm, especially 4 to 6mm are advantageously with spaced.
Also confirm as advantageously, wound dressing is configured to so that superabsorbent material is non-ionic and with negative base
Group, also aqueous solution is caused to include the material with antibacterial effect, it can be silver-colored anion, biguanides or Biguanide derivative, gather
Guanidine, N-Octyl-1- [10- (4-Octyliminopyridin-1-yl) decyl] pyridin-4-imin (Octenidine), four
First ammonium compounds, triazine or ammonium compounds taurolidine, these have the material of antibacterial action in typical moist or moistening wound
In the case of the 4-7.5PH values of environment with positive-ion mode it is powered exist, and therefore by the negative of anion superabsorbent material
Group attracts, and so as to play antibacterial action in suction/irrigation body.The surface of superabsorbent material in suction/irrigation body is single
Position area weight is preferably 30-150g/m2, especially 50-100g/m2, particularly 60-80g/m2。
According to the further thought of the present invention, propose to be constructed so that the thickness of wound dressing in quilt wound dressing emphatically
It is applied with the state of salt-containing solution as 3-7mm, particularly 4-6mm.It is assumed herein that away from wound nonwoven layer and be located at
The thickness of plastic film layer below and made of spinning plane material, with part and structuring apply, rise anti-wound
Wound effect coating, layer towards wound thickness is up in the gross thickness for the wound dressing being wet at manufacturer
1mm, so as to which remainder is from the suction/irrigation body of storage liquid.It is used for moist trauma care relative to known before
Wound dressing, wound dressing being built as before has the thickness that may be significantly smaller.Surprisingly determine, for wound
The absorbent properties of secretion do not reduce but.Possible to this one but uncertified explanation is, in brackish water
Absorption in solution in movable suction/irrigation body to wound secretion, the superficial layer of mainly suction/irrigation body work.
The wonderful characteristic opens following possibility, i.e. with the more subsection area weight work of the part of suction/irrigation body
Make, this reduces the thickness of wound dressing again and improves its flexible and improve drapability on the whole.
In addition, a kind of claimed method for being used to manufacture the wound dressing according to the present invention, the method is characterized in that,
Supply non-woven fabrics, liquid-tight plastic film layer, formed the suction/irrigation body based on non-woven fabrics layer and by spinning plane material
It is arranged to so-called sequence of layer by manufactured layer one above the other as continuous planar materials, and by these layers
It is connected to each other only along its ring circumferential edges, and splits wound dressing from planar materials at this.
Such as beginning it has been mentioned that the connection of layer performs advantageous by ultrasound or laser welding.
Brief description of the drawings
Further feature, details and the advantage of the present invention is from appended form of implementation and from accompanying drawing and then to being preferable to carry out
Drawn in the description of form.Wherein：
Fig. 1 shows the schematic sectional view of the wound dressing according to the present invention；
Fig. 2 shows the view of wound dressing, wherein seeing to wound dressing towards wound side.
Embodiment
Fig. 1 shows wound dressing 2 in sectional view.It includes the suction/irrigation body 4 based on non-woven fabrics.The fiber base
Plinth is related to by placing the preferred of aerial cellulose fibre (cellulose) and polypropylene fibre or polypropylene, polyethylene fiber
Mixing.The mixing of these fibers is in granular form or with fibers form super-absorbent polymer materials as mixed uniformly as possible
(SAP), wherein the SAP components account for the preferred 40-50 percentage by weights of the gross mass of suction/irrigation body 4.The average grain of SAP particles
Degree is for example in 150 to 850 μm of (such as board polyacrylic acid of Favor pac 300 of Evonik Stockhausen GmbH companies
Fat).
The parcel 6 that suction/irrigation body 4 is formed on the outside of wound dressing surrounds, and it is by the envelope 8 and two towards wound
Individual envelope 10a, b away from wound is formed.It is preferably towards the envelope 8 of wound by (preferably made of polypropylene) fabric
Layer 9 made of planar materials (such as knitted fabric), wherein, advantageously it is also contemplated that braid or yarn fabric, i.e., by with knitting
Envelope made of the line or silk of thing connecting portion, it causes good liquid between suction/irrigation body 4 and wound environment and handed over
Change.
Envelope 10a away from wound is nonwoven layer 12, is preferably made up of polypropylene, and which form wound dressing 2
Away from the viewable side 14 of wound.Second envelope 10b is formed by the plastic film layer 16 of liquid-tight, and it is directly in fiber non-woven layer of cloth
12 lower sections, i.e., fiber non-woven layer of cloth 12 towards be arranged on wound side fiber non-woven layer of cloth 12 and suction/irrigation body 4 it
Between.The two not into face are connected to each other away from envelope 10a, 10b of wound, and then it is not formed on practical significance
Lamination, but it is loosely put and elapsed with being oriented relative to one another to face, wherein it is along ring circumferential edges 18 or ring
Circumferential edges region is connected to each other and is connected with other parts of wound dressing.Therefore, these layers of wound dressing are made respectively
Supply and arrange one above the other for continuous planar materials in a machine direction.That is, fiber non-woven layer of cloth 12, plastic foil
Layer 16, the nonwoven layer (which form the suction/irrigation body for being each based on non-woven fabrics) with super-absorbent polymer materials and
Towards the layer of wound made of spinning plane material.In order to define, define and finally split wound dressing product, perpendicular to layer
Plane manufacture be related to all layers engagement connection, preferably by ultra-sonic welded connect in the form of.Manufacturing the process of the ultra-sonic welded
In, or next split each wound dressing product along the engaging zones of the connection.Longitudinally extending connect transverse to its
It is preferably very small to close the width of connection, is almost not aware of on the side so as to discover on the manufactured product being partitioned into
Slightly prominent product edge.If wound dressing has finally been applied in salt-containing solution, especially woods grignard at manufacturer
Liquid, then drawn the envelope 8 away from wound and envelope 10a, b towards wound each other by the origin of suction/irrigation body 4
Open so that form the impression of very flat, edge rounding wound pad.
Before salt-containing solution is applied, part is provided with the outside 20 towards wound towards the envelope 8 of wound
And structuring apply, the coating 22 that plays anti-wound.The coating 22 is preferably silicone coating, wherein, the coating is porous
And be made up of in an exemplary situation multiple thinner bands 24 or line or island areas, they pass through non-coated
Region separates each other.In the region of these non-coateds, wound is exposed to towards the envelope 8 of wound.Play treatment wound
The coating 22 of wound effect, thus on the one hand can be with relative to which form the projection for the order of magnitude mentioned in specification introduction part
Prevent envelope 8 from being bonded with wound tissue, and on the other hand can retain towards between the envelope 8 of wound and wound tissue
Less distance, thus porous envelope layer material holding is dimensionally open and provides or maintain the validity period of wound dressing
Between cause the smaller resistance that enters from both direction of liquid.
The previously described coating for playing anti-wound can be arranged on court before or after wound dressing product is split
To at the envelope 8 of wound.To this end it is possible to use, described in the A1 of WO 2011/141454 type distributing equipment.After this
Just apply salt-containing solution for the wound dressing after segmentation.Apply the material with antibacterial effect for the saline solns, it is in tide
Exist in wet or moistening wound environment when slight acidity to neutral region is pH 4 to 7.5 with cation.It should be imitated with antibacterial
The cationic substance of fruit is attracted by the negative group of anion superabsorbent material so that it is also in the exchanging liquid of suction/irrigation body 4
Operation in remain attached on superabsorbent material, i.e., largely and be not released in wound environment.Thus prevent with
The bacterial reproduction that wound secretion introduces suction/irrigation body 4, thus largely prevents the reverse dirt towards wound
Dye.It is identified to be, microorganism contamination then can be largely prevented in 72 hours, this is attributed to, and antibacterial is made
Suction/irrigation body 4 is evenly distributed on material due to its cationic state to remain connected on superabsorbent material interiorly.
In the example of wound dressing 2 preferably constitutes composition, the non-woven fabrics basis of suction/irrigation body 4 is by 33g/m2Fiber
Cellulose fiber (cellulose), 11g/m2Polypropylene, polyethylene fiber be made as binding fiber (Bindefasern).The fiber
Mixture is by 70g/m2What super-absorbent polymer materials (SAP) above-mentioned were uniformly mixed.Form suction/irrigation body
4 mixture (non-woven fabrics basis+SAP) being achieved in that can be in addition by cellulose tissue layer, in particular, for example 17g/m2It is single
The organized layer of position area weight surrounds (not shown) in every side；But this is not necessarily.Wound dressing for example can be with structure
Build to be circular, the example sizes with suction/irrigation body 4, it corresponds essentially to the size of wound dressing 2, has 5.5cm
Diameter.Wound dressing 2 is finally activated with 8ml ringer's solution, and this corresponds essentially to the suction/irrigation with liquid at present
The saturation of body.Parcel 6 is built as described above.
Fig. 2 illustrates the part of coating 22 of anti-wound and the coating of structuring, and it is in this ribbon, i.e. with band 24
Form to apply with starting the parameter of explanation.
Claims (17)
1. a kind of wound dressing (2) for being used to handle wound in moist or moist environment, its have the suction based on non-woven fabrics/
Body (4) is rinsed, distribution accommodates superabsorbent material wherein, wherein, the suction/irrigation body (4) is applied at manufacturer
Salt-containing solution, especially ringer's solution are added, it preferably comprises the material with antibacterial action, and is applied with wound is formed
The parcel (6) of the outside viewable side of material, wherein, the parcel (6) is in wound dressing towards including by fabric on wound side
Planar materials, especially layer (9) made of knitted fabric, yarn fabric or braid, wherein, it is described to be made up of textile plane material
Layer (9) there is coating (22) applying in Outboard Sections and structuring, playing anti-wound on the side towards wound, its
It is preferred that being made up of silicone, there is up to 70% coverage, it is characterised in that parcel (6) the deviating from wound dressing
Include nonwoven layer (12) on the side of wound, which form the outside viewable side that wound dressing deviates from wound, and in the nonwoven
Arrange the plastic film layer (16) of liquid-tight on the side towards wound of layer of cloth (12), and it is the nonwoven layer (12), described
Plastic film layer (16), the suction/irrigation body (4) and the layer (9) made of textile plane material are not into face each other
Connection, but rested against loosely and with being mutually shifted with its planar side, wherein, the nonwoven layer (12), the plastic film layer
(16), the suction/irrigation body (4) and the layer (9) made of textile plane material are logical only along its ring circumferential edges (18)
Engagement connection is crossed to be connected to each other.
2. wound dressing according to claim 1, it is characterised in that the engagement connection is ultra-sonic welded connection.
3. wound dressing according to claim 2, it is characterised in that the ultra-sonic welded connection includes discrete ultrasonic bond
The subsequent sequences of point.
4. according to one or more described wound dressings in the claims, it is characterised in that the nonwoven layer (12)
By thermoplastic fiber materials, especially formed by polyolefin, especially by polypropylene.
5. according to one or more described wound dressings in the claims, it is characterised in that the nonwoven layer (12)
Weight per unit area be 15-100g/m2, especially 20-60g/m2, especially 25-40g/m2。
6. according to one or more described wound dressings in the claims, it is characterised in that the nonwoven layer (12)
Thickness be 10-1000kg/m3, especially 50-250kg/m3, especially 100-150kg/m3。
7. according to one or more described wound dressings in the claims, it is characterised in that the plastics of the liquid-tight
Film layer (6) is formed by thermoplastic, especially by polyolefin, especially by polypropylene.
8. according to one or more described wound dressings in the claims, it is characterised in that the plastics of the liquid-tight
Film layer (6) has 5-100g/m2, especially 8-50g/m2, especially 10-25g/m2Weight per unit area and 5-100 μm, it is outstanding
It is the thickness of 8-50 μm, especially 10-25 μm.
9. according to one or more described wound dressings in the claims, it is characterised in that described based on non-woven fabrics
Suction/irrigation body (4) includes the mixture of cellulose fibre, especially cellulose fiber peacekeeping thermoplastic fibre, and the thermoplasticity is fine
Dimension especially polyolefine fiber, especially polypropylene fibre or polypropylene, polyethylene fiber.
10. according to one or more described wound dressings in the claims, it is characterised in that the suction/irrigation body
(4) weight per unit area of fiber component is 20 to 500g/m2, especially 30-300g/m2, especially 30-200g/m2, especially
It is 30-150g/m2。
11. according to one or more described wound dressings in the claims, it is characterised in that the suction/irrigation body
(4) density of fiber component is 20 to 500g/m3, especially 30-300g/m2, especially 50-200g/m2。
12. according to one or more described wound dressings in the claims, it is characterised in that described by textile plane material
Layer made of material (9) is formed by thermoplastic, especially by polyolefin, especially by polypropylene.
13. according to one or more described wound dressings in the claims, it is characterised in that the part and structuring
The coverage of coating (22) applying, playing anti-wound is 20-70%, especially 25-50%, especially 30-40%.
14. according to one or more described wound dressings in the claims, it is characterised in that the part and structuring
Coating (22) applying, playing anti-wound is configured to banded.
15. wound dressing according to claim 14, it is characterised in that the width of the band (24) be 1 to 3mm, and/
Or the band (24) it is mutual at intervals of 4 to 8mm, especially 4 to 6mm.
16. according to one or more described wound dressings in the claims, it is characterised in that based on described in non-woven fabrics
The weight per unit area of the fiber component of suction/irrigation body (4) is 30-100g/m2, and the suction based on non-woven fabrics/
The weight per unit area of the superabsorbent material rinsed in body (4) is 50-100g/m2, and the wound dressing contains being applied with
Thickness in the state of saline solution is 3-7mm, especially 4-6mm.
17. a kind of be used to manufacture the method according to one or more described wound dressings (2) in the claims, its feature
It is, supplies the nonwoven layer (12), the plastic film layer (16) of the liquid-tight, suction/irrigation of the formation based on non-woven fabrics
The layer of body (4) and the layer (9) made of spinning plane material are as continuous planar materials, and by it each other accordingly
Be arranged to described sequence of layer stackedly, and by these layers only along its ring circumferential edges (18) especially by ultra-sonic welded or
Laser welding is connected to each other, and herein splits the wound dressing (2) from planar materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874124.6A CN107669405A (en) | 2017-09-25 | 2017-09-25 | For handling the wound dressing of wound in moist or moist environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874124.6A CN107669405A (en) | 2017-09-25 | 2017-09-25 | For handling the wound dressing of wound in moist or moist environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107669405A true CN107669405A (en) | 2018-02-09 |
Family
ID=61138067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710874124.6A Pending CN107669405A (en) | 2017-09-25 | 2017-09-25 | For handling the wound dressing of wound in moist or moist environment |
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| Country | Link |
|---|---|
| CN (1) | CN107669405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113242727A (en) * | 2018-12-21 | 2021-08-10 | 保罗·哈特曼股份公司 | Super absorbent wound dressing with silicone wound contact layer |
| US20220323666A1 (en) * | 2019-08-20 | 2022-10-13 | Kci Licensing, Inc. | Gel-Blocking Connection Assembly For Absorbent Negative Pressure Dressing |
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| JP2003212787A (en) * | 2002-01-24 | 2003-07-30 | Haruhiko Matsumoto | Sap sheet |
| US20090062754A1 (en) * | 2007-09-04 | 2009-03-05 | Jiansheng Tang | Transdermal drug delivery systems comprising a coated release liner |
| EP2572737A1 (en) * | 2011-09-26 | 2013-03-27 | BSN Medical GmbH | Improved wound dressing |
| CN106176045A (en) * | 2016-08-31 | 2016-12-07 | 广州润虹医药科技有限公司 | A kind of alginate dressing of anti and preparation method thereof |
| CN106659817A (en) * | 2014-03-19 | 2017-05-10 | 医疗行业产品有限公司 | Wound dressing |
| CN106999305A (en) * | 2015-04-02 | 2017-08-01 | Ivf哈特曼股份公司 | Wound dressing for handling wound in moist or moist environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003212787A (en) * | 2002-01-24 | 2003-07-30 | Haruhiko Matsumoto | Sap sheet |
| US20090062754A1 (en) * | 2007-09-04 | 2009-03-05 | Jiansheng Tang | Transdermal drug delivery systems comprising a coated release liner |
| EP2572737A1 (en) * | 2011-09-26 | 2013-03-27 | BSN Medical GmbH | Improved wound dressing |
| CN106659817A (en) * | 2014-03-19 | 2017-05-10 | 医疗行业产品有限公司 | Wound dressing |
| CN106999305A (en) * | 2015-04-02 | 2017-08-01 | Ivf哈特曼股份公司 | Wound dressing for handling wound in moist or moist environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113242727A (en) * | 2018-12-21 | 2021-08-10 | 保罗·哈特曼股份公司 | Super absorbent wound dressing with silicone wound contact layer |
| US20220323666A1 (en) * | 2019-08-20 | 2022-10-13 | Kci Licensing, Inc. | Gel-Blocking Connection Assembly For Absorbent Negative Pressure Dressing |
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Application publication date: 20180209 |