CN203802667U - Wound covering material - Google Patents

Wound covering material Download PDF

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Publication number
CN203802667U
CN203802667U CN201320676690.3U CN201320676690U CN203802667U CN 203802667 U CN203802667 U CN 203802667U CN 201320676690 U CN201320676690 U CN 201320676690U CN 203802667 U CN203802667 U CN 203802667U
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layer
wound
thin slice
cladding
ground floor
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CN201320676690.3U
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仓田修平
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Zuiko Corp
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Zuiko Corp
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Abstract

The utility model provides a wound covering material. The wound covering material comprises a first layer and a second layer, wherein the first layer is provided with a porous sheet, and the porous sheet is hydrophilically treated; the second layer is provided with an absorption material, the porous sheet is provided with a plurality of holes running through the porous sheet from one side to the other side, and each hole is provided with a stipulated depth. The wound covering material also comprises a third layer with a light-tight sheet, and the second layer is clamped by the first layer and the third layer to be laminated into a whole. The depth of each hole of the porous sheet is set as 100 to 2000 micrometers, the porosity of the porous sheet is set as 5 to 60 percent, and the porous sheet is arranged on the contact surface of a wound part. The covering material can be incompletely adhered on the surface of the wound, the permeate liquid can be rapidly absorbed, and the leakage of the permeate liquid can be prevented.

Description

A kind of wound cladding material
Technical field
This utility model relates to a kind of wound cladding material, and more particularly, this utility model relates to a kind of wound cladding material of the treatment that is suitable for the wounds such as burn, decubital ulcer, contusion, scratch, ulcer.
Background technology
At present, the treatment of medical institutions to human external wound as scald, burn, incised wound, surgical incision, ulcer etc., conventionally all must cover or wrap up the dressing through sterilizing outside wound, infected preventing by extraneous antibacterial.And current dressing used is mostly between gauze or two layers of gauze and presss from both sides Cotton Gossypii through the made cotton pad of sterilizing.Though this gauze or cotton pad have the effect that absorbs wound sepage, but exist the sepage absorbing to be easy to volatilization and make gauze hardening injury wound, gauze is pasted on wound while changing dressings, incrust shortcoming, in addition, also can cause sepage to bleed back the problem of corroding wound surrounding skin, easily causing infection.
Utility model content
The purpose of this utility model is to provide a kind of wound cladding material that can address the above problem.
Wound cladding material of the present utility model, comprising: have the ground floor of porous thin slice, described porous thin slice is through hydrophilic treated; And there is the second layer of absorbent material, wherein, described porous thin slice has the multiple holes that are through to another side from one side, and described multiple hole has prescribed depth.
Preferably, described cladding material also comprises having the 3rd layer of opaque liquid thin slice, and described each layer is laminated to one with described ground floor and the 3rd layer of mode of clamping the second layer.
Preferably, described wound cladding material also comprises the predetermined thin slice being arranged between described ground floor and the described second layer.
Preferably, the degree of depth in the hole of described porous thin slice is set to 100 μ m~2000 μ m, and the percent opening of described porous thin slice is set to 5%~60%, and described porous thin slice is configured on the contact surface in the face of wound site.
Preferably, described ground floor has concaveconvex shape in the face of on the contact surface of wound site.
Preferably, the described thin slice of described ground floor is the thin slice being made up of vistanex.
Preferably, the described second layer is made up of air-laid nonwoven fabrics.
Preferably, on described air-laid nonwoven fabrics, form porose.
According to said structure of the present utility model, there is following beneficial effect.
Because ground floor of the present utility model has porous thin slice, by form multiple holes on the thin slice of ground floor, cladding material sticks in wound surface by halves, can reduce contacting of cladding material and wound surface, thereby can easily peel off cladding material from wound surface, reduce stimulation and injury to patient.And, this porous thin slice, through hydrophilic treated, has hydrophilic, thereby with respect to not thering is hydrophilic material, can absorb more quickly the transudate oozing out from wound surface, prevent wound surface by transudate compressing, " under dig phenomenon " that prevent from being caused by superfluous transudate.
The second layer of the present utility model has absorbent material, can absorb the transudate of wound surface and prevent from bleeding back, thereby can reduce the viscosity of wound surface, and can prevent that the transudate corrosion wound bleeding back from causing infecting.
The 3rd layer of the present utility model has opaque liquid thin slice, can prevent that transudate from leaking into outside from cladding material.Cladding material of the present utility model can be according to the size and shape of wound surface, is cut into size and shape arbitrarily and uses.
Brief description of the drawings
Fig. 1 (a) and (b) be respectively to represent embodiment of cladding material of the present invention and the schematic amplification sectional view of variation.
Fig. 2 (a) and (b) be respectively the schematic amplification sectional view that represents other variation.
Fig. 3 (a) (b), is (c) and (d) respectively the schematic amplification sectional view that represents the example of the porous thin slice of cladding material of the present invention.
Fig. 4 is the schematic amplification sectional view of another variation of cladding material of the present invention.
Detailed description of the invention
Below, in connection with drawings and Examples, this utility model is elaborated.Following examples are not to restriction of the present utility model.Do not deviating under the spirit and scope of utility model design, the variation that those skilled in the art can expect and advantage are all included in this utility model.
Below with reference to Fig. 1 (a), (b), (c) detailed description of the invention of the present utility model is described.As shown in Fig. 1 (a), this cladding material 1 has 2 layers: the ground floor (permeable formation) 10 and the second layer (absorbed layer) 20 with absorbent material with porous thin slice.Wherein, porous thin slice 10 is through hydrophilic treated.As Fig. 1 (b) is depicted as another embodiment of the present utility model, compared with the cladding material shown in Fig. 1 (a), increased the 3rd layer, having comprised: have porous thin slice ground floor (permeable formation) 10, there is the second layer (absorbed layer) 20 of absorbent material and there is the 3rd layer of (non-permeable formation) 30 of opaque liquid thin slice.Wherein, porous thin slice 10 is through hydrophilic treated.Above-mentioned each layer is laminated to one with ground floor 10 and the 3rd layer of 30 mode of clamping the second layer 20.
In above-described embodiment, ground floor 10 contacts with wound surface or skin surface.The second layer absorbs transudate by absorbent material.The 3rd layer prevents transudate seepage by opaque liquid thin slice.Preferably, above-mentioned 3 layer 10,20,30 bonded to each other so that incrust.As the method for above-mentioned 3 layers of laminating, can utilize the binding agents such as heat-fusible adhesive 21,31 bonding, or utilize the weldings such as heat-sealing (heat-seal), or mold pressing (emboss) processing etc.
With reference to figure 3(a)~Fig. 3 (d), the porous thin slice 15 of ground floor has from simultaneously connecting the multiple holes 16 to another side.Lead to multiple holes 16 are set on thin slice, can reduce the contact area of wound site and cladding material 1, thereby cladding material is not exclusively sticked in wound surface, cladding material is easily peeled off.In addition,, by multiple holes 16, also can make the transudate that wound surface is oozed out to be absorbed by the second layer 20 by ground floor 10.
Hole 16 preferably has the degree of depth of regulation.For example, the depth D in hole 16 can be set to about 100 μ m~2000 μ m.Preferably, the depth D in hole 16 can be set to about 200 μ m~500 μ m.
As shown in Fig. 3 (a)~Fig. 3 (d), if adopt hole 16 to there is the porous thin slice 15 of prescribed depth D, can further ensure to only have the surface part of porous thin slice 15 to contact with wound site, so, can continue to dwindle the contact area of wound site and cladding material 1, cladding material is sticked in wound surface by halves.Thus, cladding material more easily peels off from wound surface.
In addition, the shape in above-mentioned hole 16, is not limited to the shape of Fig. 3 (a)~Fig. 3 (d), can also adopt other shape.
In addition,, although schematically shown the figure that the hole 16 in porous thin slice 15 configures regularly in Fig. 3 (a)~Fig. 3 (d), hole 16 also can configure brokenly.
The percent opening of porous thin slice 15 is preferably set to 5%~60%.Percent opening equals (area of summation/porous thin slice 15 of perforated area) × 100%.Preferably, percent opening can be 15%~40%.
Further, ground floor 10 of the present utility model is through hydrophilic treated.The porous thin slice 15 of ground floor for example can use through thin slice being made up of vistanex of hydrophilic treated etc.Because porous thin slice 15 is hydrophilic layer, thereby with respect to not thering is hydrophilic material, can absorb more quickly the transudate oozing out from wound surface, prevent wound surface by transudate compressing, " under dig phenomenon " that prevent from being caused by superfluous transudate (phenomenon of being cuted out by the skin of the pressure of transudate, wound site).
In addition, ground floor 10 has concaveconvex shape in the face of on the contact surface of wound site.For example, there is multiple protuberances or multiple recess facing on the contact surface of wound site of ground floor 10, can further reduce like this contact area of ground floor 10 and wound site, thereby cladding material is more easily peeled off.
In Fig. 1 (a) and (b), (c), the second layer 20 or absorbed layer 20 absorb the transudate that oozes out and permeate above-mentioned ground floor 10 from wound site.As the raw material that forms the second layer 20, can use the absorption liquid such as the non-woven fabrics of hydrophilicity-imparting treatment, cotton official form for filing a lawsuit slurry, air-laid nonwoven fabrics (slurry cypress air lay), there is the absorbent material of hold facility, thereby can absorb fast transudate and prevent from bleeding back, reducing the viscosity of wound surface.As the above-mentioned second layer or absorbed layer 20, in the time cutting off above-mentioned cladding material 1, for making Soft flocks and absorbing material described later not unrestrained from otch, preferably use binding agent and by being compressed in flaking non-woven fabrics bonding between fiber, particularly preferably use air-laid nonwoven fabrics.
So-called air-laid nonwoven fabrics, refers in air and divides equably fibre by raw material paper pulp fiber and short fiber, makes fiber when rotary perforated cylinder or portable sieve plate precipitate, and spray water soluble adhesive carries out bonding between fiber and obtains non-woven fabrics.In order easily to absorb transudate, preferably use the air-laid nonwoven fabrics of making taking paper pulp fiber as main component.In order to accomplish easily to absorb transudate, preferably use the air-laid nonwoven fabrics taking paper pulp fiber as main component.As the manufacture method of such non-woven fabrics, can use DAN-WEB method and Honshu method etc.
Air-laid nonwoven fabrics can contain the toner (absorbing material) with high-hydroscopicity.In air-laid nonwoven fabrics, because form the fiber of non-woven fabrics
The air-laid nonwoven fabrics of the second layer 20, also can be by punching by softnessization.Here, so-called " punching ", refers to the processing of vacating a lot of skies on non-woven fabrics.Air-laid nonwoven fabrics is because bonding with binding agent between fiber, so it is large that the rigidity of cloth easily becomes, flexibility is impaired sometimes.But by form above-mentioned a lot of hole on non-woven fabrics, it is soft that non-woven fabrics becomes, so non-woven fabrics becomes easily and stretches according to skin surface.In addition, implement the non-woven fabrics of such processing, can absorb transudate by hole, so, Once you begin absorbing transudate, it is large that absorption speed just becomes.
The cross sectional shape in the hole that in addition, punching produces does not limit.And above-mentioned hole can connect air-laid nonwoven fabrics completely, also can not connect.
In order more to improve absorption and the retentivity of transudate, as shown in Fig. 1 (b), the above-mentioned second layer 20 also contains absorbing material 22.So-called absorbing material, refers to while contact with liquid, the material of absorption in the short time, expansion, gelation.As such absorbing material, preferably use the so-called super absorbent resins (SAP) such as polyacrylic, starch based, carboxymethyl cellulose class, polyvinyl alcohol enter alginic acid, glucosan etc. have high-hydroscopicity can natural polysaecharides.As above-mentioned absorbing material 22, not only can use Powdered, granular material, also can use fibrous material.Because the second layer (absorbed layer) 20 has the absorbing material of high-absorbable, can absorb more fast transudate and prevent from bleeding back, thereby reducing the viscosity of wound surface.
The 3rd layer of 30(non-permeable formation), be to clamp the second layer 20 between above-mentioned ground floor 10., the second layer 20 is configured between ground floor 10 and the 3rd layer 30.There is opaque liquid thin slice for the 3rd layer 30, to prevent that transudate from leaking into outside from cladding material.This opaque liquid thin slice can be for example the thin film of olefine kind resin (polyethylene, polypropylene etc.), polyester resin, nylon-based resin etc.
In a further embodiment, as shown in Figure 4, between ground floor 10 and the second layer 20, also there is a predetermined thin slice 40.For simplifying, the binding agent in Fig. 4 between not shown ground floor 10 and predetermined thin slice 40 and between predetermined thin slice 40 and the second layer 20.This predetermined thin slice 40 is for guiding to the guide layer of the described second layer by the transudate of described ground floor.This guide layer 40 is the directive corpus fibrosum of tool or adhesive-bonded fabric, for being inducted into the absorbed layer 20 on it by the transudate of ground floor 10.By this guide layer, can make transudate to a greater extent absorbed layer 20 absorb, further prevent that transudate from bleeding back not arriving before absorbed layer 20, thereby also can reduce the viscosity of wound surface.Although it is to have increased by a predetermined thin slice 40 on the basis of Fig. 1 (b) that Fig. 4 shows, those skilled in the art knows, and also can on Fig. 1 (a) or basis 1(c), between ground floor 10 and the second layer 20, increase this predetermined thin slice 40.
As Fig. 2 (a)~2(b) as shown in, in cladding material 1,1 above adhesive phase 12,32 can also be set.This adhesive phase is can fix cladding material and cladding material can be remained on to the layer that holds flaky state.As concrete adhesive phase, even if can use the jointing material such as acrylic compounds and silicon class that is also difficult to macule, low irritant with contact skin.Adhesive phase 12 can be in the limit of liquid permeability that does not hinder ground floor 10, in wound surface one side (sticking veneer) coating of the surfacing of ground floor 10.That is, can easily cladding material 1 be fixed on to wound surface, and cladding material at random can be cut into the size that is applicable to wound size.
As shown in Fig. 2 (b), the leakproof thin slice 20 of the 3rd layer forms greatlyr than ground floor and the second layer 10,20, meanwhile, can form adhesive phase 32 in the wound surface of leakproof thin slice 30 side.
Be only preferred embodiment of the present utility model in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of this utility model claim change and modify, all should belong to technology category of the present utility model.

Claims (7)

1. a wound cladding material, is characterized in that, comprising:
Have the ground floor of porous thin slice, described porous thin slice is through hydrophilic treated; And there is the second layer of absorbent material,
Wherein, described porous thin slice has from one side and is through to multiple holes of another side, and described multiple hole has prescribed depth,
Described wound cladding material also comprises the predetermined thin slice being arranged between described ground floor and the described second layer.
2. wound cladding material according to claim 1, is characterized in that, described cladding material also comprises having the 3rd layer of opaque liquid thin slice, and described each layer is laminated to one with described ground floor and the 3rd layer of mode of clamping the second layer.
3. wound cladding material according to claim 2, it is characterized in that, the degree of depth in the hole of described porous thin slice is set to 100 μ m~2000 μ m, and the percent opening of described porous thin slice is set to 5%~60%, and described porous thin slice is configured on the contact surface in the face of wound site.
4. wound cladding material according to claim 3, is characterized in that, described ground floor has concaveconvex shape in the face of on the contact surface of wound site.
5. wound cladding material according to claim 4, is characterized in that, the described thin slice of described ground floor is the thin slice being made up of vistanex.
6. according to the wound cladding material described in any one in claim 1-5, it is characterized in that, the described second layer is made up of air-laid nonwoven fabrics.
7. wound cladding material according to claim 6, is characterized in that, forms porose on described air-laid nonwoven fabrics.
CN201320676690.3U 2013-10-30 2013-10-30 Wound covering material Active CN203802667U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106943232A (en) * 2017-03-01 2017-07-14 苏州艾美医疗用品有限公司 Compound porous light strong absorptive medical absorbents
CN110893248A (en) * 2018-09-12 2020-03-20 深圳市诺亚特科技有限公司 Surface microprotrusion patterned material and application thereof in body surface wound healing and scar repair

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106943232A (en) * 2017-03-01 2017-07-14 苏州艾美医疗用品有限公司 Compound porous light strong absorptive medical absorbents
CN110893248A (en) * 2018-09-12 2020-03-20 深圳市诺亚特科技有限公司 Surface microprotrusion patterned material and application thereof in body surface wound healing and scar repair

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