CN105193548A - Intelligent adjusting type medical dressing - Google Patents
Intelligent adjusting type medical dressing Download PDFInfo
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- CN105193548A CN105193548A CN201510631455.8A CN201510631455A CN105193548A CN 105193548 A CN105193548 A CN 105193548A CN 201510631455 A CN201510631455 A CN 201510631455A CN 105193548 A CN105193548 A CN 105193548A
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- layer
- soak
- absorbed
- clad
- sepage
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Classifications
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- 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 plasters or dressings
- A61F13/0203—Adhesive plasters or dressings having a fluid handling member
- A61F13/0206—Adhesive plasters or dressings having a fluid handling member the fluid handling member being absorbent fibrous layer, e.g. woven or nonwoven absorbent pad, island dressings
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- 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 plasters or dressings
- A61F13/0203—Adhesive plasters or dressings having a fluid handling member
- A61F13/0223—Adhesive plasters or dressings having a fluid handling member characterized by parametric properties of the fluid handling layer, e.g. absorbency, wicking capacity, liquid distribution
Abstract
The invention relates to an intelligent adjusting type medical dressing, and belongs to the technical field of medical supplies. The intelligent adjusting type medical dressing is composed of a coating layer, a containing layer, a moisture permeable layer, an absorbing layer and a flow guide layer. The containing layer is located on the coating layer. The moisture permeable layer is located on the containing layer. The absorbing layer is located on the moisture permeable layer. The flow guide layer is attached to the absorbing layer. The two ends of the flow guide layer are connected with the coating layer. According to the technical scheme, the intelligent adjusting type medical dressing is applied to clinical surgery or wound repair, and the overall dressing has the good liquid absorption and preservation performance, and is high in absorption rate, good in seepage conductivity, capable of meeting the requirement for the large seepage amount and ensuring that no or only a small amount of residual seepage exists on a wound, and beneficial to wound healing and repair.
Description
Technical field
The present invention relates to a kind of Intelligent adjustment type medical dressing, belong to field of medical article technology.
Background technology
Existing medical dressing mostly is foam type dressing, this dressing is when being applied to general wound, assimilation effect is still good, but when there is large sepage amount, absorb in foam type dressing structure liquid in the foam of a large amount of sepage will reverse osmosis on wound surface, cause sepage to absorb not exclusively, wound surface will be immersed in these residual sepages for a long time, in this case, very easily there is the phenomenons such as wound surface turns white, wound festers, wound cannot heal.
Based on this, make subject application.
Summary of the invention
In order to overcome the above-mentioned defect existing for existing medical dressing, the application provide a kind of at many levels, the Intelligent adjustment type medical dressing with humidity-self-regulation.
For achieving the above object, the technical scheme taked of the application is as follows:
A kind of Intelligent adjustment type medical dressing, be made up of clad, collecting layer, soak layer, absorbed layer and guide layer, collecting layer is positioned on clad, soak layer is positioned on collecting layer, absorbed layer is positioned on soak layer, and guide layer is then covered on absorbed layer, and the two ends of guide layer are connected with clad.
Further, as preferably:
Described guide layer is provided with multiple flow-guiding structure, and more preferably, described flow-guiding structure is guiding gutter or pod apertures; The inclination angle theta of described flow-guiding structure is 10-30 °.
In described clad, collecting layer, soak layer, absorbed layer and guide layer, it is long that soak layer comparatively accommodates layer.More preferred, it is short that described absorbed layer comparatively accommodates layer.
Described guide layer is provided with multiple flow-guiding structure, and the opening of this flow-guiding structure outwardly, and outer imperial palace is little.
Described clad is resistance bacterium layer or foaming layer, and more preferably, described foaming layer is foaming PU film.
Described collecting layer is absorb the layer structure that multiple is 50-200 times, and this collecting layer is by one or more layer structures be composited in imbibition resin, liquid sucting fiber element or acrylic acid liquid sucting fiber.
Described soak layer is that poisture-penetrability is at 3000-50000g/m
2* 24h, more preferably, described soak layer is polyurethane film, and its poisture-penetrability is at 15000-30000g/m
2* 24h; Described soak layer is polyurethane film, is provided with microcellular structure, and its poisture-penetrability is at 30000-50000g/m
2* 24h.
Described absorbed layer is foam dressing or sponge structure.
Apply the present invention to clinical treatment, by guide layer and direct skin contact, and take advantage of a situation clad and soak layer pushed to skin direction, and soak layer is contacted with guide layer, clad then with contact skin, now, absorbed layer is positioned at the space that avris that guide layer and soak layer formed is closed, and accommodates layer and is then positioned at the enclosed space that soak layer and clad formed.
After having pasted, first the sepage at wound place enters through guide layer, because the absorption multiple of absorbed layer is at 50-200 times, sepage is under the effect of absorbed layer, automatically enter absorbed layer, under the soak layer effect that the sepage on absorbed layer then can be better than absorbed layer in poisture-penetrability, automatically enter soak layer, finally enter collecting layer, sepage to absorb as a storage mechanism and collects by this collecting layer.
Compared with existing medical dressing, beneficial effect of the present invention is as follows:
1) can realize multi-ladder imbibition, sepage conduction is good, automatically can adjust and paste wound surface humidity.The entirety of the application is layer structure, every Rotating fields organic assembling forms the dressing of a ladder-effect, the guide layer of skin-proximal is skin-friendly, and good Silica hydrogel is made, while improving dressing and skin wound laminating degree, also to the sepage on wound surface, foam carries out water conservancy diversion and enters in guide layer, absorbed layer adopts sponge or foaming structure, give the captivation that this absorbed layer is powerful, make the sepage entered in flow-guiding structure, foam is spontaneous under this captivation effect enters absorbed layer, treat that whole absorbed layer is by sepage, after foam moistening, the soak layer absorption sepage that poisture-penetrability is good, a large amount of sepages is via under the powerful collecting layer effect of absorbency, collecting layer is proceeded to from soak layer, collecting layer has great absorbency, for normal large sepage amount, sepage can be held completely, clad then will be accommodated outside layer and be closed, sepage is avoided to overflow from collecting layer, in the dressing structure of the application, cooperatively interact from outside to inside and form a complete power path, and make sepage, foam along with this power path spontaneous from wound surface flow to collecting layer, automatic adjustment pastes wound surface humidity, wound surface is farthest kept dry, avoid sepage be detained at wound surface caused by wound surface turn white, the problem such as to fester.
2) imbibition is synchronous with guarantor's liquid, avoids the generation of the phenomenon of leakage.In the application, guide layer arranges flow-guiding structure, this flow-guiding structure is the funnel-shaped structure of outer imperial palace little (referring to the one side near wound surface outward), sepage, in foam and guide layer contact process, the one side that aperture area is outwardly larger contacts with wound surface, the one side that aperture area is inwardly less then contacts with sepage with foam, and absorbed layer is proceeded to by guide layer fast under the effect of absorbed layer, sepage easily enters difficulty and goes out, avoid the reverse osmosis phenomenon of sepage caused by guide layer surface detention, the first that the flow-guiding structure that the outer imperial palace of funnel-form is little constitutes sepage protects liquid resistant barrier, in distribution of lengths, soak layer is large compared with absorbed layer, ensure that guide layer, sepage that absorbed layer is come can fully completely absorb by soak layer, although collecting layer is also little compared with soak layer, but collecting layer and clad form enclosed space, while guaranteeing the imbibition of collecting layer, sepage is retained in this enclosed space, for collecting layer provides sufficient Time and place to receive sepage, avoid the phenomenon of leakage that imbibition is caused not in time, the second that the enclosed space that soak layer, collecting layer and clad are formed forms sepage protects liquid resistant barrier, and after pasting, clad is in outermost layer, it has not only played the effect of resistance bacterium, its two ends can be fixed on the skin of wound surface adnexa, skin and clad form second enclosed space, and form sepage the 3rd road protect liquid resistant barrier, three road barrier combineds effect, ensure that protect liquid, imbibition synchronous high-efficiency carry out.
3) absorbency is high, and the suitability is wider.In this application, high-selenium corn multiplying power realizes mainly through collecting layer, soak layer and absorbed layer: collecting layer is that absorbency is in 50-200 layer structure doubly, can be made up of the single composition in imbibition resin, liquid sucting fiber element and acrylic acid liquid sucting fiber material or compound composition group, powerful absorbency is that whole dressing provides strong saturation, be not only applicable to conventional sepage amount, correspondence larger wound sepage amount uses equally, and this is the prerequisite of satisfied large sepage amount user demand; The poisture-penetrability of soak layer before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer absorbing fluid, a part of penetration by liquid absorbed layer is absorbed by soak layer, and now, soak layer poisture-penetrability is increased to 15000-50000g/m
2* 24h; And the soak layer of the application has deformable after imbibition and the advantage that poisture-penetrability increases with liquid absorption and increases, when soak layer being arranged microcellular structure, this microcellular structure forms capillary effect on soak layer, significantly can increase the imbibition ability of soak layer, its poisture-penetrability rises to 30000-50000g/m
2* 24h; Absorbed layer adopts foaming structure or sponge structure, this structure imparts absorbed layer 10-30 liquid-absorbent doubly, absorbed layer, soak layer, collecting layer form a perfect sepage power path with single direction, well achieve the raising of absorbency.
Technical scheme is applied to clinical operation or wound repair, overall dressing has good imbibition, water retainability, and absorbency is high, sepage conductivity is good, the demand of large sepage amount can be met, guarantee wound surface without or only have the residual of minute quantity sepage, be conducive to healing and the reparation of wound surface.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of aminoacyl site in Fig. 1.
Number in the figure: 1. clad; 2. accommodate layer; 3. soak layer; 4. absorbed layer; 5. guide layer; 51. flow-guiding structures.
Detailed description of the invention
Embodiment 1
A kind of Intelligent adjustment type of the present embodiment medical dressing, composition graphs 1, be made up of clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, collecting layer 2 is positioned on clad 1, soak layer 3 is positioned on collecting layer 2, and absorbed layer 4 is positioned on soak layer 3, and guide layer 5 is covered on absorbed layer 4, guide layer 5 is provided with multiple flow-guiding structure 51, and the two ends of guide layer 5 are connected with clad 1.Specific in the present embodiment, composition graphs 2, in clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, soak layer 3 comparatively accommodate layer 2 and is grown, and absorbed layer 4 comparatively to accommodate layer 2 short; Clad 1 is resistance bacterium layer; Collecting layer 2 to be the absorption multiples be made up of imbibition resin be 50 times; Soak layer 3 is polyurethane film; Absorbed layer 4 is foam dressing; Guide layer is silicon gel layer, and the flow-guiding structure 51 that it is arranged be funnelform hole and pod apertures, and outwardly, and outer the imperial palace little one side of wound surface (refer to outward close), the inclination angle theta of flow-guiding structure 51 is 30 ° to the opening of this flow-guiding structure 51.
The present embodiment is applied to clinical treatment, guide layer 5 and direct skin contact, and take advantage of a situation clad 1 and soak layer 3 pushed to skin direction, and soak layer 3 is contacted with guide layer 5, clad 1 then and contact skin, now, absorbed layer 4 is positioned at the space that avris that guide layer 5 and soak layer 3 formed is closed, and accommodates layer 2 and is then positioned at the enclosed space that soak layer 3 formed with clad 1.
After having pasted, first the sepage at wound place enters through the flow-guiding structure 51 of guide layer 5, this sepage is under the effect of absorbed layer 4, automatically absorbed layer 4 is entered, under soak layer 3 effect that sepage on absorbed layer 4 then can be better than absorbed layer 4 in poisture-penetrability, automatically enter soak layer 3, finally enter collecting layer 2, sepage to absorb as a storage mechanism and collects by this collecting layer 2.
In above-mentioned sepage transfer process, every Rotating fields organic assembling forms the dressing of a ladder-effect, the guide layer 5 of skin-proximal is skin-friendly, and good Silica hydrogel is made, while raising dressing and skin wound laminating degree, also to the sepage on wound surface, foam carries out water conservancy diversion and enters in guide layer 5, absorbed layer 4 adopts foam dressing, its liquid-absorbent can reach 10-30 doubly, thus give this absorbed layer semi-finals large captivation, make to enter the sepage in flow-guiding structure 51, foam is spontaneous fast under this captivation effect enters absorbed layer 4, treat that whole absorbed layer 4 is by sepage, after foam moistening, the good soak layer 3 of poisture-penetrability absorbs sepage, under a large amount of sepages acts on via the collecting layer 2 that absorbency is powerful, collecting layer 2 is proceeded to from soak layer 3, collecting layer 2 has great absorbency, for normal large sepage amount, sepage can be held completely, clad 1 will be accommodated outside layer 2 and be closed, sepage is avoided to overflow from collecting layer 2, in above-mentioned dressing structure, cooperatively interact from outside to inside and form a complete power path, and make sepage, foam along with this power path spontaneous from wound surface flow to collecting layer, automatic adjustment pastes wound surface humidity, wound surface is farthest kept dry, avoid sepage be detained at wound surface caused by wound surface turn white, the problem such as to fester.
Wherein, guide layer 5 is arranged flow-guiding structure 51, this flow-guiding structure 51 is the funnel-shaped structure that outer imperial palace is little, in sepage, foam and guide layer 5 contact process, the one side that aperture area is outwardly larger contacts with wound surface, the one side that aperture area is inwardly less then contacts with sepage with foam, and absorbed layer 4 is proceeded to by guide layer 5 fast under the effect of absorbed layer 4, avoid the reverse osmosis phenomenon of sepage caused by guide layer 5 surface detention, the first that the flow-guiding structure 51 that the outer imperial palace of funnel-form is little constitutes sepage protects liquid resistant barrier; In distribution of lengths, soak layer 3 comparatively absorbed layer 4 is large, ensure that guide layer 5, sepage that absorbed layer 4 is come can fully completely absorb by soak layer 3, although collecting layer 2 is also little compared with soak layer 3, but collecting layer 2 forms enclosed space with clad 1, while guaranteeing the imbibition of collecting layer 2, sepage is retained in this enclosed space, for collecting layer 2 provides sufficient Time and place to receive sepage, avoid the phenomenon of leakage that imbibition is caused not in time, the second that the enclosed space that soak layer 3, collecting layer 2 and clad 1 are formed forms sepage protects liquid resistant barrier; And after pasting, clad 1 is in outermost layer, it has not only played the effect of resistance bacterium, its two ends can be fixed on the skin of wound surface adnexa, skin and clad 1 form second enclosed space, and form sepage the 3rd road protect liquid resistant barrier, three road barrier combineds effect, ensure that protect liquid, imbibition synchronous high-efficiency carry out.
In imbibition process, the poisture-penetrability of soak layer 3 before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer 4 absorbing fluid, a part of penetration by liquid absorbed layer 4 is absorbed by soak layer 3, and now, soak layer 3 poisture-penetrability is increased to 15000-50000g/m
2* 24h.
Technical scheme is applied to clinical operation or wound repair, overall dressing has good imbibition, water retainability, and absorbency is high, sepage conductivity is good, the demand of large sepage amount can be met, guarantee wound surface without or only have the residual of minute quantity sepage, be conducive to healing and the reparation of wound surface.
Embodiment 2
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: be made up of clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, collecting layer 2 is positioned on clad 1, soak layer 3 is positioned on collecting layer 2, absorbed layer 4 is positioned on soak layer 3, guide layer 5 is covered on absorbed layer 4, guide layer 5 is provided with multiple flow-guiding structure 51, and the two ends of guide layer 5 is connected with clad 1; In clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, soak layer 3 comparatively accommodate layer 2 and is grown, and absorbed layer 4 comparatively to accommodate layer 2 short; Clad 1 is foaming layer, and this foaming layer adopts foaming PU film; Collecting layer 2 is made up of liquid sucting fiber element Time of Fluff Slurry, and it absorbs multiple is 70-80 times; Soak layer 3 is polyurethane film, and soak layer 3 arranges microcellular structure, and percent opening is 10-15%; Absorbed layer 4 is sponge structure; Guide layer 5 is silicon gel layer, and the flow-guiding structure 51 that it is arranged be funnelform pod apertures, and outwardly, and outer the imperial palace little one side of wound surface (refer to outward close), the inclination angle theta of flow-guiding structure 51 is 25 ° to the opening of this flow-guiding structure 51.
At 70-80 doubly, for whole dressing provides strong saturation, be not only applicable to conventional sepage amount, correspondence larger wound sepage amount uses the absorbency of collecting layer 2 equally, and this is the prerequisite of satisfied large sepage amount user demand; The poisture-penetrability of soak layer 3 before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer 4 absorbing fluid, part penetration by liquid absorbed layer 4 is absorbed by soak layer 3, and the soak layer 3 of the present embodiment has deformable after imbibition and the advantage that poisture-penetrability increases with liquid absorption and increases, and the microcellular structure that soak layer 3 is arranged forms capillary effect, significantly can increase the imbibition ability of soak layer 3, its poisture-penetrability rises to 30000-50000g/m2*24h; Absorbed layer 4 adopts sponge structure, and this structure imparts absorbed layer 15-20 liquid-absorbent doubly, and absorbed layer 4, soak layer 3, collecting layer 2 form a perfect sepage power path with single direction, well achieve the raising of absorbency.
Embodiment 3
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: be made up of clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, collecting layer 2 is positioned on clad 1, soak layer 3 is positioned on collecting layer 2, absorbed layer 4 is positioned on soak layer 3, guide layer 5 is covered on absorbed layer 4, guide layer 5 is provided with multiple flow-guiding structure 51, and the two ends of guide layer 5 is connected with clad 1; In clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, soak layer 3 comparatively accommodate layer 2 and is grown, and absorbed layer 4 comparatively to accommodate layer 2 short; Clad 1 is foaming layer, and this foaming layer adopts foaming PU film; Collecting layer 2 is made up of acrylic fiber, and it absorbs multiple is 75-88 times; Soak layer 3 is polyurethane film, and soak layer 3 arranges microcellular structure, and percent opening is 10-15%; Absorbed layer 4 is foam dressing; Guide layer 5 is silicon gel layer, and the flow-guiding structure 51 that it is arranged be funnelform guiding gutter, and outwardly, and outer the imperial palace little one side of wound surface (refer to outward close), the inclination angle theta of flow-guiding structure 51 is 15 ° to the opening of this flow-guiding structure 51.
At 75-88 doubly, for whole dressing provides strong saturation, be not only applicable to conventional sepage amount, correspondence larger wound sepage amount uses the absorbency of collecting layer 2 equally, and this is the prerequisite of satisfied large sepage amount user demand; The poisture-penetrability of soak layer 3 before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer 4 absorbing fluid, part penetration by liquid absorbed layer 4 is absorbed by soak layer 3, and the soak layer 3 of the present embodiment has deformable after imbibition and the advantage that poisture-penetrability increases with liquid absorption and increases, and the microcellular structure that soak layer 3 is arranged forms capillary effect, significantly can increase the imbibition ability of soak layer 3, its poisture-penetrability rises to 30000-50000g/m2*24h; Absorbed layer 4 adopts sponge structure, and this structure imparts absorbed layer 15-20 liquid-absorbent doubly, and absorbed layer 4, soak layer 3, collecting layer 2 form a perfect sepage power path with single direction, well achieve the raising of absorbency.
Embodiment 4
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: be made up of clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, collecting layer 2 is positioned on clad 1, soak layer 3 is positioned on collecting layer 2, absorbed layer 4 is positioned on soak layer 3, guide layer 5 is covered on absorbed layer 4, guide layer 5 is provided with multiple flow-guiding structure 51, and the two ends of guide layer 5 is connected with clad 1; In clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, soak layer 3 comparatively accommodate layer 2 and is grown, and absorbed layer 4 comparatively to accommodate layer 2 short; Clad 1 is foaming layer, and this foaming layer adopts foaming PU film; Collecting layer 2 is the bi-component layer be compounded to form by cellulose fluff pulp and acrylic fiber 1:1, and it absorbs multiple is 120-180 times; Soak layer 3 is polyurethane film, and soak layer 3 arranges microcellular structure, and percent opening is 20-25%; Absorbed layer 4 is foam dressing; Guide layer 5 is silicon gel layer, and the flow-guiding structure 51 that it is arranged be funnelform guiding gutter, and outwardly, and outer the imperial palace little one side of wound surface (refer to outward close), the inclination angle theta of flow-guiding structure 51 is 10 ° to the opening of this flow-guiding structure 51.
At 120-180 doubly, for whole dressing provides strong saturation, be not only applicable to conventional sepage amount, correspondence larger wound sepage amount uses the absorbency of collecting layer 2 equally, and this is the prerequisite of satisfied large sepage amount user demand; The poisture-penetrability of soak layer 3 before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer 4 absorbing fluid, part penetration by liquid absorbed layer 4 is absorbed by soak layer 3, and the soak layer 3 of the present embodiment has deformable after imbibition and the advantage that poisture-penetrability increases with liquid absorption and increases, and the microcellular structure that soak layer 3 is arranged forms capillary effect, significantly can increase the imbibition ability of soak layer 3, its poisture-penetrability rises to 30000-50000g/m2*24h; Absorbed layer 4 adopts sponge structure, and this structure imparts absorbed layer 25-30 liquid-absorbent doubly, and absorbed layer 4, soak layer 3, collecting layer 2 form a perfect sepage power path with single direction, well achieve the raising of absorbency.
Embodiment 5
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: be made up of clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, collecting layer 2 is positioned on clad 1, soak layer 3 is positioned on collecting layer 2, absorbed layer 4 is positioned on soak layer 3, guide layer 5 is covered on absorbed layer 4, guide layer 5 is provided with multiple flow-guiding structure 51, and the two ends of guide layer 5 is connected with clad 1; In clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, soak layer 3 comparatively accommodate layer 2 and is grown, and absorbed layer 4 comparatively to accommodate layer 2 short; Clad 1 is foaming layer, and this foaming layer adopts foaming PU film; Collecting layer 2 is composited by 1:2 by polyester and acrylic fiber, and it absorbs multiple is 140-170 times; Soak layer 3 is polyurethane film, and soak layer 3 arranges microcellular structure, and percent opening is 15-20%; Absorbed layer 4 is sponge; Guide layer 5 is silicon gel layer, and the flow-guiding structure 51 that it is arranged be funnelform guiding gutter, and outwardly, and outer the imperial palace little one side of wound surface (refer to outward close), the inclination angle theta of flow-guiding structure 51 is 30 ° to the opening of this flow-guiding structure 51.
At 150-170 doubly, for whole dressing provides strong saturation, be not only applicable to conventional sepage amount, correspondence larger wound sepage amount uses the absorbency of collecting layer 2 equally, and this is the prerequisite of satisfied large sepage amount user demand; The poisture-penetrability of soak layer 3 before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer 4 absorbing fluid, part penetration by liquid absorbed layer 4 is absorbed by soak layer 3, and the soak layer 3 of the present embodiment has deformable after imbibition and the advantage that poisture-penetrability increases with liquid absorption and increases, and the microcellular structure that soak layer 3 is arranged forms capillary effect, significantly can increase the imbibition ability of soak layer 3, its poisture-penetrability rises to 30000-50000g/m2*24h; Absorbed layer 4 adopts sponge structure, and this structure imparts absorbed layer 25-30 liquid-absorbent doubly, and absorbed layer 4, soak layer 3, collecting layer 2 form a perfect sepage power path with single direction, well achieve the raising of absorbency.
Embodiment 6
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: be made up of clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, collecting layer 2 is positioned on clad 1, soak layer 3 is positioned on collecting layer 2, absorbed layer 4 is positioned on soak layer 3, guide layer 5 is covered on absorbed layer 4, guide layer 5 is provided with multiple flow-guiding structure 51, and the two ends of guide layer 5 is connected with clad 1; In clad 1, collecting layer 2, soak layer 3, absorbed layer 4 and guide layer 5, soak layer 3 comparatively accommodate layer 2 and is grown, and absorbed layer 4 comparatively to accommodate layer 2 short; Clad 1 is foaming layer, and this foaming layer adopts foaming PU film; Collecting layer 2 is by 1:2:3(mass ratio by polyester, cellulose fluff pulp and acrylic fiber) be composited, it absorbs multiple is 180-200 times; Soak layer 3 is polyurethane film, and soak layer 3 arranges microcellular structure, and percent opening is 25-30%; Absorbed layer 4 is foam dressing; Guide layer 5 is silicon gel layer, and the flow-guiding structure 51 that it is arranged be funnelform hole and pod apertures, and outwardly, and outer the imperial palace little one side of wound surface (refer to outward close), the inclination angle theta of flow-guiding structure 51 is 15 ° to the opening of this flow-guiding structure 51.
The absorbency of collecting layer 2 at 75-88 doubly, for whole dressing provides strong saturation, is not only applicable to conventional sepage amount, and corresponding large wound sepage amount uses equally, and this is the prerequisite of satisfied large sepage amount user demand; The poisture-penetrability of soak layer 3 before non-imbibition is 3000-15000g/m
2* 24h, after absorbed layer 4 absorbing fluid, part penetration by liquid absorbed layer 4 is absorbed by soak layer 3, and the soak layer 3 of the present embodiment has deformable after imbibition and the advantage that poisture-penetrability increases with liquid absorption and increases, and the microcellular structure that soak layer 3 is arranged forms capillary effect, significantly can increase the imbibition ability of soak layer 3, its poisture-penetrability rises to 30000-50000g/m2*24h; Absorbed layer 4 adopts sponge structure, and this structure imparts absorbed layer 25-30 liquid-absorbent doubly, and absorbed layer 4, soak layer 3, collecting layer 2 form a perfect sepage power path with single direction, well achieve the raising of absorbency.
Above content is the further description done provided technical scheme in conjunction with the preferred embodiment of the present invention; can not assert that the present invention specifically implements to be confined to these explanations above-mentioned; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an Intelligent adjustment type medical dressing, it is characterized in that: be made up of clad, collecting layer, soak layer, absorbed layer and guide layer, collecting layer is positioned on clad, soak layer is positioned on collecting layer, absorbed layer is positioned on soak layer, guide layer is then covered on absorbed layer, and the two ends of guide layer are connected with clad.
2. a kind of Intelligent adjustment type medical dressing as claimed in claim 1, is characterized in that: described guide layer is provided with multiple flow-guiding structure.
3. a kind of Intelligent adjustment type medical dressing as claimed in claim 1, it is characterized in that: described guide layer is provided with multiple flow-guiding structure, and this flow-guiding structure opening is outwardly, and the infundibulate that outer imperial palace is little.
4. a kind of Intelligent adjustment type medical dressing as claimed in claim 2 or claim 3, it is characterized in that: described flow-guiding structure is guiding gutter or pod apertures, its inclination angle theta is 10-30 °.
5. a kind of Intelligent adjustment type medical dressing as claimed in claim 1, is characterized in that: in described clad, collecting layer, soak layer, absorbed layer and guide layer, it is long that soak layer comparatively accommodates layer.
6. a kind of Intelligent adjustment type medical dressing as described in claim 1 or 5, is characterized in that: it is short that described absorbed layer comparatively accommodates layer.
7. a kind of Intelligent adjustment type medical dressing as claimed in claim 1, is characterized in that: described clad is resistance bacterium layer or foaming layer.
8. a kind of Intelligent adjustment type medical dressing as claimed in claim 1, is characterized in that: described collecting layer is composited by one or more in resin, cellulose or acrylic fiber, and it absorbs multiple is 50-200 times.
9. a kind of Intelligent adjustment type medical dressing as claimed in claim 1, is characterized in that: the poisture-penetrability of described soak layer is 3000-30000g/m
2* 24h.
10. a kind of Intelligent adjustment type medical dressing as claimed in claim 9, it is characterized in that: described soak layer is provided with microcellular structure, its poisture-penetrability is 30000-50000g/m
2* 24h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631455.8A CN105193548A (en) | 2015-09-29 | 2015-09-29 | Intelligent adjusting type medical dressing |
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| CN201510631455.8A CN105193548A (en) | 2015-09-29 | 2015-09-29 | Intelligent adjusting type medical dressing |
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| CN105193548A true CN105193548A (en) | 2015-12-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597136A (en) * | 2016-02-01 | 2016-05-25 | 上海昌颌医药科技有限公司 | Moisture-transfer and fast drying wound dressing |
| CN105662714A (en) * | 2016-03-10 | 2016-06-15 | 温州医科大学 | Medical drainage hole plaster |
| CN109414360A (en) * | 2016-06-23 | 2019-03-01 | 莫恩里克保健股份公司 | Medical dressing |
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| CN204050038U (en) * | 2014-09-03 | 2014-12-31 | 南阳市汇博生物技术有限公司 | A kind of novel foam dressing |
| CN205019245U (en) * | 2015-09-29 | 2016-02-10 | 绍兴振德医用敷料有限公司 | Intelligent regulation type medical dressing |
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| US4538603A (en) * | 1982-04-22 | 1985-09-03 | E. R. Squibb & Sons, Inc. | Dressings, granules, and their use in treating wounds |
| CN1270011A (en) * | 1999-12-06 | 2000-10-18 | 周松亮 | Water-proof air-permeable plaster for curing wound and its preparing process |
| CN1723235A (en) * | 2003-02-04 | 2006-01-18 | 东丽株式会社 | Moisture-permeability waterproof film, matrix material and manufacture method thereof |
| CN101175632A (en) * | 2005-05-13 | 2008-05-07 | 旭化成化学株式会社 | Absorbent composite material and method for producing same |
| CN102458327A (en) * | 2009-06-15 | 2012-05-16 | 莫恩里克保健公司 | Wound dressing with high liquid handling capacity |
| CN203576767U (en) * | 2013-12-12 | 2014-05-07 | 泉州联合纸业有限公司 | Highly absorbable and breathable paper diaper |
| CN204050038U (en) * | 2014-09-03 | 2014-12-31 | 南阳市汇博生物技术有限公司 | A kind of novel foam dressing |
| CN205019245U (en) * | 2015-09-29 | 2016-02-10 | 绍兴振德医用敷料有限公司 | Intelligent regulation type medical dressing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597136A (en) * | 2016-02-01 | 2016-05-25 | 上海昌颌医药科技有限公司 | Moisture-transfer and fast drying wound dressing |
| CN105662714A (en) * | 2016-03-10 | 2016-06-15 | 温州医科大学 | Medical drainage hole plaster |
| CN109414360A (en) * | 2016-06-23 | 2019-03-01 | 莫恩里克保健股份公司 | Medical dressing |
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