CN205683194U - Wound dressing structure - Google Patents
Wound dressing structure Download PDFInfo
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- CN205683194U CN205683194U CN201620057789.9U CN201620057789U CN205683194U CN 205683194 U CN205683194 U CN 205683194U CN 201620057789 U CN201620057789 U CN 201620057789U CN 205683194 U CN205683194 U CN 205683194U
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- wound
- wound dressing
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- dressing structure
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Abstract
This utility model discloses a kind of wound dressing structure, and it comprises: contact layer, has several the first holes, and several first holes described are discontinuous cap holes；Absorbed layer, is arranged in the one side of contact layer, and has several the second holes.Wherein, contact layer is one of the forming with absorbed layer, and by made by polyurethanes, and the aperture of several the first holes is less than the aperture of several the second holes.Wound dressing structure of the present utility model can make wound be maintained at moist environment but not result in wound infiltration, and have and do not make wound be stained with glutinous, the characteristic of prevention of scar generation, because of without the most more change dressings, to avoid interference the agglutination of wound and to reduce the risk that wound is infected by antibacterial, and then accelerate the healing of wound.
Description
Technical field
This utility model is that a kind of have integrally formed contact layer and absorption about a kind of wound dressing structure
The wound dressing structure of layer.
Background technology
Generally, dressing is that to have following properties be preferable dressing in design: keeps suitable moist environment, avoid
Disturb growth, the generation of prevention of scar tissue, non-sticky glutinous wound and prevent wound from infiltrating.Especially in the process of wound healing
In, need to be maintained in moist environment, make fibroblast can quickly move to accelerate Angiogenesis, and from the wound of skin
Containing substantial amounts of collagen protein and somatomedin in the tissue fluid constantly oozed out at Kou, can promote that wound is accelerated in the growth of cell
Healing.Therefore when dressing has above-mentioned characteristic, then need not the most more change dressings, and make wound can keep airtight, wet
Profit is but had in the environment of breathability, will not be infected by alien bacteria, also can reach the effect of autologous debridement and make wound
Healedmyocardial more preferably.
But, most common trauma care mode is normal healing, uses gauze or cotton pad etc., these modes all easily because of
Wound contact air and cause wound surface to be dried, make fibroblast to move and the amount of transudate reduce, thus not only
Delay wound healing, and easily produce cicatrix.It addition, when utilizing gauze or cotton pad, often will heal because of replacing
Tissue tear in the lump, and be highly detrimental to the recovery of wound.Therefore, in order to make wound be maintained at moist environment, and then development
Go out the wound dressing such as artificial skin and foam.Although artificial skin has preferable moisture retention, but makes wound because water absorption is the best
Persistently it is immersed in tissue fluid and causes infiltration, even if foam has preferable water absorption and can be maintained at moist environment, but again
There is the problem being stained with more greatly and easily glutinous wound because of aperture.Development in recent years goes out the wound dressings such as foam combination silica gel, due to silicon
Wound can be caused to breathe freely after glue water suction, and preferable wound dressing cannot be become.Therefore, above-mentioned dressing all cannot possess
The characteristic of all preferable dressing and must often change, and then increase the risk that wound is infected by antibacterial or virus, and
Easily postpone the healing of wound.
In sum, therefore, inventor of the present utility model thinks and designs a kind of wound dressing structure, with for existing
The disappearance of dressing structure is improved, and then the enforcement in enhancement industry utilizes.
Utility model content
According to above-mentioned problem of the prior art, the purpose of this utility model is exactly to provide a kind of wound dressing structure, with
The dressing structure solving prior art cannot have water absorption, moisture retention, breathability and the characteristic of non-sticky glutinous wound, Jin Erbi concurrently
Must the problem of the most more change dressings.
According to the purpose of this utility model, proposing a kind of wound dressing structure, it comprises: contact layer, have several the
One hole, and several the first hole systems described are discontinuous cap holes；Absorbed layer, is arranged in the one side of contact layer,
And there is several the second holes.Wherein, contact layer is one of the forming with absorbed layer, and by made by polyurethanes, and if
The aperture of dry the first hole is less than the aperture of several the second holes.
Preferably, the thickness of contact layer can be 90 ~ 130 μm.
Preferably, the thickness of absorbed layer can be 5 ~ 10mm.
Preferably, the diameter of several the first holes can be 40 ~ 140 μm.
Preferably, the diameter of several the second holes can be 100 ~ 1000 μm.
Preferably, wound dressing structure can further include by having made by the polyurethanes of water proofing property or antibiotic property
Air-permeable layer, arranges to cover absorbed layer and has stickiness in the one side towards absorbed layer.
Preferably, the thickness of air-permeable layer can be 0.02 ~ 0.1mm.
Preferably, air-permeable layer can have the area more than contact layer and absorbed layer.
Preferably, wound dressing structure can further include release paper, is arranged on the another side of contact layer, and release paper
Have more than or the area equal with air-permeable layer.
Preferably, release paper can further include the first release paper and the second release paper, and the first release paper with second from
Type paper is disposed over air-permeable layer and has the lap position across air-permeable layer.
Preferably, wound dressing structure can further include plastic foil, and plastic foil can be more than the release of air-permeable layer with area
The area of paper is corresponding, and is sealed with release paper by plastic foil in the way of clamping wound dressing structure.
As it has been described above, according to wound dressing structure of the present utility model, it can have one or more following advantage:
(1) wound dressing structure of the present utility model is that discontinuous is closed by the first hole of several in contact layer
The material of hole and composition has the characteristic of anti-albumen and cell attachment, thus will not enter contact layer during hyperplasia, therefore
Being stained with of wound can be prevented glutinous.
(2) wound dressing structure of the present utility model is relatively big by the aperture of several the second holes in absorbed layer, because of
And there is good water absorption, absorb the tissue fluid oozed out of wound by it, and avoid cellular infiltration and to make wound be maintained at suitable
When moist environment.
(3) if wound dressing structure of the present utility model be the absorbed layer by being made up of hydrophilic polyurethane and with
Dry the second hole absorptive tissue liquid, makes absorbed layer expand deformation and wound of fitting, to wound during to suppress fibroblast to heal
Mouth central reduction, and there is the characteristic that prevention of scar produces.
(4) wound dressing structure of the present utility model is to extend replacing by its overall structure and the material that cooperatively forms
The time of dressing, not only reduce the risk that wound is infected by antibacterial, and be avoided that the process disturbing wound healing, to promote wound
The speed of mouth healing.
Accompanying drawing explanation
Fig. 1 is the sectional view of wound dressing structure of the present utility model.
Fig. 2 A to Fig. 2 D is the electron microscopy image of wound dressing structure of the present utility model.
Fig. 3 is the sectional view of the embodiment 1 of wound dressing structure of the present utility model.
Fig. 4 is the sectional view of the embodiment 2 of wound dressing structure of the present utility model.
Fig. 5 is the sectional view of the embodiment 3 of wound dressing structure of the present utility model.
Detailed description of the invention
Technical characteristic of the present utility model, content and advantage and the effect that can reach thereof is understood for ease of auditor,
Here this utility model is coordinated accompanying drawing, and describes in detail as follows with the expression-form of embodiment, and the diagram used in it,
Its purport is used only as signal and aids in illustrating, it is not necessary to be the actual proportions after this utility model is implemented and precisely configuration, therefore
Should not understood by the ratio of appended diagram and configuration relation, limit this utility model interest field on reality is implemented, thing
First explanation at this.
Hereinafter with reference to relevant drawings, the embodiment according to wound dressing structure of the present utility model is described, for ease of reason
Solving, the same components in following embodiment illustrates with identical symbology.
Please with reference to the sectional view that Fig. 1 and Fig. 2 A to Fig. 2 D, Fig. 1 are wound dressing structure of the present utility model, figure
2A is the electron microscopy image of the contact layer 100 of wound dressing structure of the present utility model, and Fig. 2 B is wound of the present utility model
Hindering the electron microscopy image of the absorbed layer 200 of dressing structure, Fig. 2 C is the contact layer of wound dressing structure of the present utility model
100 electron microscopy image integrally formed with absorbed layer 200, and Fig. 2 D is the saturating of wound dressing structure of the present utility model
The electron microscopy image of gas-bearing formation 300.As it is shown in figure 1, wound dressing structure 10 of the present utility model, it comprises: contact layer
100, absorbed layer 200, air-permeable layer 300.Wherein, contact layer 100, absorbed layer 200 can be formed by polyurethanes, and polyurethanes can
For hydrophilic polyurethane or hydrophilic polyurethane foaming body, and preferably hydrophilic polyurethane be by poly-(propylene glycol) triol with
After polyisocyanates reaction extends into starlike prepolymer, then carry out cross-linking reaction with Polyethylene Glycol (PEG) and hyaluronic acid and obtain
Star shaped block polyurethane.As shown in Fig. 1 and Fig. 2 A, contact layer 100 has several the first holes 101, and contact layer
Thickness can be 90 ~ 130 μm, preferably 90 ~ 100 μm.The size of the first hole 101 is to be formed as discontinuous cap holes
And the size being less than cell is that preferably its diameter can be 40 ~ 140 μm, preferably 40 ~ 60 μm, owing to hole formation is closed
Thus on the surface of the contact layer 100 contacted with wound W, not having hole, cambium cannot be grown into contact layer 100.Further, connect
Hydrophilic polyurethane that contact layer 100 can be obtained by carrying out cross-linking reaction with Polyethylene Glycol or hydrophilic polyurethane foaming body institute shape
Becoming, therefore had the characteristic of anti-protein and cell attachment by Polyethylene Glycol, the cambium that can more reach to prevent wound W is long
Enter contact layer 100, and increase the comfort of user and shorten wound healing time.Then, as shown in Fig. 1 and Fig. 2 B, absorb
Layer 200 may be provided in the one side of contact layer 100, and the thickness of absorbed layer 200 can be 5 ~ 10mm, preferably 5 ~ 6 mm.Inhaling
Receiving and have aperture several second holes 201 more than several the first holes 101 in layer 200, its diameter can be 100 ~ 1000 μ
M, preferably 400 ~ 800 μm, outside absorbing substantial amounts of tissue fluid, make wound W maintain suitable moist environment simultaneously but not
Bore hole size that wound infiltrates and thickness can be caused preferably, the group in wound W can be prevented by being maintained at suitable moist environment
Knit dehydration and cell death, and can move promote angiogenesis and increase decomposition thanatogenic tissue and fibre by accelerating fibers blast cell
The speed of fibrillarin.Further, by the hydrophilic polyurethane or hydrophilic polyurethane foaming body institute shape with Polyethylene Glycol (PEG) copolymerization
The absorbed layer 200 become coordinates the second hole 201 can produce expansion deformation after absorptive tissue liquid and be close to wound W and skin S,
Thus to wound W central reduction during suppression fibroblast healing, by the generation of its energy prevention of scar.Such as Fig. 1 and Fig. 2 C institute
Showing, contact layer 100 can be one of the forming with absorbed layer 200, and its shape can be square, circular, but not in this, as restriction,
Suitable size and shape can be cut out according to the size of wound W, thus easily be attached to the wound W on variously-shaped surface.
Referring next to Fig. 1 and Fig. 2 D, air-permeable layer 300 is disposed over absorbed layer 200, and the thickness of air-permeable layer 300 can be
0.02 ~ 0.1mm, preferably 0.02 ~ 0.03 mm, and can be hydrophobic side by the water-wet side containing the most poly-diethanol and other ends
Polyurethanes formed, but be not limited to this.By the characteristic of water-wet side Yu other hydrophobic side mutual exclusions, make air-permeable layer 300 is produced
The pore that angry body can pass through, has highly-breathable thus for wound W.But, it is less than hydrone owing to forming pore size,
Therefore hydrone cannot be introduced into air-permeable layer 300, and the effect of the growth further up to waterproof and suppression microorganism, outside avoiding
The infection of source property.It addition, air-permeable layer 300 has stickiness in the one side towards absorbed layer 200, its available medical grade glue
Be coated in air-permeable layer 300, medical grade glue can for example, silica type glue, acrylic compounds glue etc., with hypoallergenic, do not have residual
Glue and the good glue class of continuous stickiness are preferred.Can be sticked together with wound dressing structure 10 by the stickiness in air-permeable layer 300, but wound is applied
Material structure 10 is attached to the mode of air-permeable layer 300 and is not limited to this, mode shape that such as can also be integrally formed with absorbed layer 200
Become.
Wound dressing structure 10 of the present utility model is by hydrophilic polyurethane or hydrophilic polyurethane foaming body institute shape
Become material and coordinate its overall structure, the time of more change dressings can be extended, generally can be continuous according to this wound dressing structure 10
Use 7 to 14 days without more change dressings, and make wound be maintained at suitable moist environment without causing wound to infiltrate, and have
Just like the breathability as skin, not only reduce the risk that wound W is infected by antibacterial, and be avoided that the mistake of interference wound healing
Journey, the collagen protein being beneficial in tissue fluid and somatomedin promote the growth of cell, and promote that fibroblast can be quickly
Mobile, to accelerate blood capillary formation, and then accelerate the healing of wound.
Sectional view referring to the embodiment 1 that Fig. 1 and Fig. 3, Fig. 3 are wound dressing structure of the present utility model.?
In this example, the structure of each assembly is the most similar to the above with configuration pass, is the most no longer gone to live in the household of one's in-laws on getting married in its similar place
State.The present embodiment main difference is that with above-mentioned wound dressing structure, and air-permeable layer 300 has more than contact layer 100 and absorbs
The area of layer 200, and comprise release paper 400 further.
In the present embodiment, owing to air-permeable layer 300 has more than contact layer 100 and the area of absorbed layer 200, when wound is applied
When material structure 10 is sticked together in air-permeable layer 300, with reserved between edge and the edge of air-permeable layer 300 of this wound dressing structure 10
The mode of one preset distance is sticked together preferably, therefore when wound dressing structure 10 is adhered on skin S, and this wound dressing structure
10 can be sealed between air-permeable layer 300 and skin S, and wound W can be made to maintain closed loop border to avoid antibacterial or virus from outward
Portion enters.
It addition, release paper 400 may be provided on the another side of contact layer 100, and release paper 400 has and air-permeable layer 300
Equal area, release paper 400 can be polyester film (PET), biaxial stretched polypropylene film towards the one side of air-permeable layer 300
(OPP) or polyethylene film (PE), air-permeable layer 300 is made to be attached in release paper 400.When user's wound dressing to be used structure 10
Time, the most only need to divest release paper 400, and contact layer 100 is corresponding with the position of wound W, and utilize air-permeable layer 300 to reserve
Part is pasted at skin S, and when therefore wound dressing structure 10 is pasted to skin S, wound W contacts with contact layer 100, and from
Contact layer 100 is up followed successively by absorbed layer 200 and air-permeable layer 300.
Refer to Fig. 4, it is the sectional view of embodiment 2 of wound dressing structure of the present utility model.The present embodiment is with front
Main difference is that of one embodiment, wherein release paper 400 comprises the first release paper 401 and the second release paper 402 further, and
First release paper 401 and the second release paper 402 have the lap position overlapped each other.
In the present embodiment, release paper 400 comprises the first release paper 401 and the second release paper 402, and has across ventilative
The lap position of layer 300.The area of the first release paper 401 and the second release paper 402 area after overlapping and air-permeable layer 300
Correspondence, so that air-permeable layer 300 is completely covered, but is not limited to this, it is possible to be set greater than the area of air-permeable layer 300.And in overlap
On position, the first release paper 401 overlaps in the second release paper 402, and the first release paper 401 has on one end of lap position
There is an opisthotonos part, but be not limited to this.When wound dressing structure 10 is attached on wound by user, can divest release simply
Paper 400, and avoid finger to touch contact layer 100, to reach the effect conveniently operated.
Refer to Fig. 5, it is the sectional view of embodiment 3 of wound dressing structure of the present utility model.As it can be seen, this reality
Executing main difference is that of example and above-described embodiment, the area of release paper 400 is more than air-permeable layer 300, and wound dressing structure 10
Comprise plastic foil 500 further.
In the present embodiment, when air-permeable layer 300 is attached in release paper 400, the edge of air-permeable layer 300 and release paper
A preset distance can be reserved between the edge of 400, and by the plastic foil 500 encapsulation wound corresponding with the area of release paper 400
Hinder dressing structure 10.When being packaged, by wound dressing structure 10 to be clamped between release paper 400 and plastic foil 500
Mode seals and carries out sterilizing again, by its wound dressing structure 10 obtained can be saved in aseptic in the environment of, for user
Can use when safety.
The above is only citing, and property without limitation.Any without departing from spirit and scope of the present utility model, and
The equivalent modifications carrying out it or change, should be included in appended claims claim.
[symbol description]
10: wound dressing structure
100: contact layer
101: the first holes
200: absorbed layer
201: the second holes
300: air-permeable layer
400: release paper
401: the first release paper
402: the second release paper
500: plastic foil
S: skin
W: wound
Claims (10)
1. a wound dressing structure, it is characterised in that it comprises:
Contact layer, has several the first holes in described contact layer, several first holes described are discontinuous blind hole
Hole；
Absorbed layer, is arranged in the one side of described contact layer, and has several the second holes in described absorbed layer,
Wherein, described contact layer is one of the forming with described absorbed layer, and by made by polyurethanes, and described several
The aperture of one hole is less than the aperture of several the second holes described.
2. wound dressing structure as claimed in claim 1, it is characterised in that the thickness of described contact layer is 90 ~ 130 μm.
3. wound dressing structure as claimed in claim 1, it is characterised in that the thickness of described absorbed layer is 5 ~ 10mm.
4. wound dressing structure as claimed in claim 1, it is characterised in that several the first holes described a diameter of 40 ~
140 μm, and a diameter of 100 ~ 1000 μm of several the second holes described.
5. wound dressing structure as claimed in claim 1, it is characterised in that it comprises further by having water proofing property or antibacterial
Property the air-permeable layer made by polyurethanes, and arrange to cover described absorbed layer and having towards the one side of described absorbed layer
Stickiness.
6. wound dressing structure as claimed in claim 5, it is characterised in that the thickness of described air-permeable layer is 0.02 ~ 0.1mm.
7. wound dressing structure as claimed in claim 6, it is characterised in that described air-permeable layer have more than described contact layer and
The area of described absorbed layer.
8. wound dressing structure as claimed in claim 6, it is characterised in that it comprises release paper further, is arranged on described
On the another side of contact layer, and described release paper have more than or the area equal with described air-permeable layer.
9. wound dressing structure as claimed in claim 8, it is characterised in that described release paper comprises the first release paper further
With the second release paper, and described first release paper and described second release paper be disposed over described air-permeable layer and have across institute
State the lap position of air-permeable layer.
10. wound dressing structure as claimed in claim 8, it is characterised in that comprise plastic foil further, described plastic foil with
Area is corresponding more than the area of the described release paper of described air-permeable layer, and by described in the way of clamping described wound dressing structure
Plastic foil seals with described release paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057789.9U CN205683194U (en) | 2016-01-21 | 2016-01-21 | Wound dressing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057789.9U CN205683194U (en) | 2016-01-21 | 2016-01-21 | Wound dressing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205683194U true CN205683194U (en) | 2016-11-16 |
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ID=57263711
Family Applications (1)
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| CN201620057789.9U Active CN205683194U (en) | 2016-01-21 | 2016-01-21 | Wound dressing structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276749A (en) * | 2017-07-20 | 2019-01-29 | 泰陞国际科技股份有限公司 | Anti- adhesion dressing and its manufacturing method |
| CN109276746A (en) * | 2017-07-20 | 2019-01-29 | 泰陞国际科技股份有限公司 | Except scar patch and its manufacturing method |
| CN109276739A (en) * | 2017-07-20 | 2019-01-29 | 泰陞国际科技股份有限公司 | Absorbent dressing and its manufacturing method |
| CN113425501A (en) * | 2021-05-31 | 2021-09-24 | 振德医疗用品股份有限公司 | Negative pressure drainage wound-protecting dressing and negative pressure drainage wound-protecting device |
-
2016
- 2016-01-21 CN CN201620057789.9U patent/CN205683194U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276749A (en) * | 2017-07-20 | 2019-01-29 | 泰陞国际科技股份有限公司 | Anti- adhesion dressing and its manufacturing method |
| CN109276746A (en) * | 2017-07-20 | 2019-01-29 | 泰陞国际科技股份有限公司 | Except scar patch and its manufacturing method |
| CN109276739A (en) * | 2017-07-20 | 2019-01-29 | 泰陞国际科技股份有限公司 | Absorbent dressing and its manufacturing method |
| CN113425501A (en) * | 2021-05-31 | 2021-09-24 | 振德医疗用品股份有限公司 | Negative pressure drainage wound-protecting dressing and negative pressure drainage wound-protecting device |
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