CN215689049U - A breathable liquid-absorbing hydrocolloid applicator - Google Patents
A breathable liquid-absorbing hydrocolloid applicator Download PDFInfo
- Publication number
- CN215689049U CN215689049U CN202121098602.7U CN202121098602U CN215689049U CN 215689049 U CN215689049 U CN 215689049U CN 202121098602 U CN202121098602 U CN 202121098602U CN 215689049 U CN215689049 U CN 215689049U
- Authority
- CN
- China
- Prior art keywords
- layer
- liquid
- adhesive layer
- hydrophilic adhesive
- hydrophilic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000416 hydrocolloid Substances 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 239000012790 adhesive layer Substances 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 36
- 239000012792 core layer Substances 0.000 claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 230000002745 absorbent Effects 0.000 claims abstract description 16
- 239000002250 absorbent Substances 0.000 claims abstract description 16
- 230000035699 permeability Effects 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 238000005213 imbibition Methods 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims abstract description 3
- 239000004831 Hot glue Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- MSKQYWJTFPOQAV-UHFFFAOYSA-N fluoroethene;prop-1-ene Chemical group CC=C.FC=C MSKQYWJTFPOQAV-UHFFFAOYSA-N 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920006264 polyurethane film Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 206010052428 Wound Diseases 0.000 abstract description 10
- 208000027418 Wounds and injury Diseases 0.000 abstract description 10
- 230000001684 chronic effect Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000011505 plaster Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000416 exudates and transudate Anatomy 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 208000000558 Varicose Ulcer Diseases 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 238000001804 debridement Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Images
Landscapes
- Materials For Medical Uses (AREA)
- Medicinal Preparation (AREA)
Abstract
A breathable absorbent hydrocolloid patch comprises an anti-sticking stripping layer, an absorbent core layer, an exhaust vent pipe, a hydrophilic adhesive layer, an absorbent tank, a back lining layer and a breathable hole. The hydrophilic adhesive layer is used for being adhered to the surface of human skin, the direction close to the skin is taken as the inner side, and the direction close to the skin is taken as the outer side on the contrary; the outer surface of the hydrophilic adhesive layer is attached with a back lining layer, and the back lining layer is provided with a plurality of air holes; the inner surface of the hydrophilic adhesive layer is provided with a plurality of liquid absorption grooves, the plurality of liquid absorption grooves form a criss-cross net structure or a net structure which takes the center of the adhesive layer as an annular radiation type, the middle position of the inner surface of the hydrophilic adhesive layer is provided with a flaky liquid absorption coating core layer, and the inner sides of the hydrophilic adhesive layer and the liquid absorption coating core layer are covered with an anti-sticking stripping layer; a liquid discharge vent pipe is arranged near the liquid suction dressing core layer, and the bottom of the liquid discharge vent pipe is fixedly adhered to the hydrophilic adhesive layer; keep the interval between flowing back permeability cell and the imbibition and apply the sandwich layer, the play liquid end of flowing back permeability cell extends outside the sticky layer, is equipped with isolation stopper or valve on the flowing back permeability cell. The utility model improves the air permeability of the absorbent hydrocolloid adhesive plaster and simultaneously meets the requirement on the absorbent capacity during the treatment of chronic wounds.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a breathable liquid-absorbing hydrocolloid application.
Background
The hydrocolloid patch is generally used for wound surface wounds with exudates, can be firmly adhered to the skin at the edge of the wound, has the capability of absorbing the exudates of the wound surface, and plays a role in debridement and the like. However, when the conventional hydrocolloid application is applied to the treatment of chronic wounds such as pressure sores and venous ulcer wounds, the liquid absorption amount is limited, the air permeability is poor, the wound care cannot be met when the liquid seepage amount is large, and the wound healing is not facilitated.
Disclosure of Invention
To overcome the above problems, the present invention provides a breathable liquid absorbent hydrocolloid application.
The technical scheme adopted by the utility model is as follows: a breathable absorbent hydrocolloid patch comprises an anti-sticking stripping layer, an absorbent core layer, an exhaust vent pipe, a hydrophilic adhesive layer, an absorbent groove, a back lining layer and a breathable hole; the hydrophilic adhesive layer is adhered to the surface of human skin, the direction close to the skin is taken as the inner side, and the direction close to the skin is taken as the outer side on the contrary; a back lining layer is attached to the outer surface of the hydrophilic adhesive layer, and a plurality of air holes are formed in the back lining layer; the inner surface of the hydrophilic adhesive layer is provided with a plurality of liquid absorption grooves, the plurality of liquid absorption grooves form a criss-cross net structure or a net structure which takes the center of the adhesive layer as an annular radiation type, and the cross section of each liquid absorption groove is semicircular, trapezoidal or triangular; a sheet-shaped liquid absorbing and applying core layer is arranged in the middle of the inner surface of the hydrophilic adhesive layer, and the inner sides of the hydrophilic adhesive layer and the liquid absorbing and applying core layer are covered with an anti-sticking stripping layer; a liquid discharge vent pipe is arranged near the liquid suction dressing core layer, and the bottom of the liquid discharge vent pipe is fixedly adhered to the hydrophilic adhesive layer; keep the interval between flowing back permeability cell and the imbibition and apply the sandwich layer, the play liquid end of flowing back permeability cell extends outside the sticky layer, is equipped with isolation stopper or valve on the flowing back permeability cell.
Further, the liquid absorbing and applying core layer is of a square, rhombic, circular, oval or triangular sheet structure, the number of the liquid discharging vent pipes is one to four, and the one to four liquid discharging vent pipes are uniformly distributed around the liquid absorbing and applying core layer along the circumferential direction.
Further, the backing layer is made of a polyurethane film or a non-woven fabric.
Further, the hydrophilic adhesive layer is made of a styrene hot melt adhesive, a polyurethane hot melt adhesive and a polyacrylate hot melt adhesive compounded hydrophilic high polymer material.
Further, the liquid absorption applying core layer is made of hydrophilic polymer materials compounded with a little hot melt adhesive or made of liquid absorption foam.
Further, the liquid discharge vent pipe is made of polyvinyl chloride, fluoroethylene propylene or polyurethane.
Further, the anti-sticking stripping layer is silicon-coated release paper or silicon-coated polyethylene and polyester release film.
The utility model has the beneficial effects that: the inner surface of the adhesive layer is provided with criss-cross or annular radial liquid suction grooves, which are beneficial to improving the transfer of seepage to the liquid suction dressing layer, and meanwhile, the liquid suction grooves form an air flowing channel between the hydrophilic adhesive layer and the skin, thereby improving the air permeability; and a liquid discharge vent pipe is arranged near the liquid absorption dressing core layer, so that air and seepage can be continuously transferred, and the requirement of chronic wound treatment is met.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the liquid-absorbing grooves in a circular radial network structure on the adhesive layer.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a schematic view of the structure of the isolating plug of the present invention.
Figure 5 is a cross-sectional view of the isolation plug installed on the drainage breather.
Description of reference numerals: 1. an anti-sticking stripping layer; 2. absorbing liquid and applying a core layer; 3. liquid discharge ventilating pipes; 4. a hydrophilic adhesive layer; 4-1, a liquid suction groove; 5. a back lining layer, 5-1 and air holes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached drawing, the breathable liquid-absorbing hydrocolloid patch comprises an anti-sticking stripping layer, a liquid-absorbing dressing core layer, a liquid-absorbing vent pipe, a hydrophilic adhesive layer, a liquid-absorbing groove, a back lining layer and air vents; the hydrophilic adhesive layer 4 is adhered to the surface of the skin of a human body, the direction close to the skin is taken as the inner side, and the direction close to the skin is taken as the outer side on the contrary; the outer surface of the hydrophilic adhesive layer 4 is attached with a back lining layer 5, and the back lining layer 5 is provided with a plurality of air holes 5-1; the inner surface of the hydrophilic adhesive layer 4 is provided with a plurality of liquid absorption grooves 4-1, the plurality of liquid absorption grooves 4-1 form a criss-cross net structure or a ring-shaped radial net structure by using the center of the adhesive layer, and the cross section of the liquid absorption groove 4-1 is semicircular, trapezoidal or triangular, so that seepage can be conveniently transferred to the liquid absorption applying core layer 2; the middle position of the inner surface of the hydrophilic adhesive layer 4 is provided with a sheet-shaped liquid absorption dressing core layer 2, and the shape of the liquid absorption dressing core layer 2 can be square, diamond, round, oval or triangular and the like; the hydrophilic adhesive layer 4 and the inner side of the liquid absorption dressing core layer 2 are covered with an anti-sticking stripping layer 1; the liquid-absorbing compress core layer 2 is provided with liquid-absorbing vent pipes 3, usually one to four liquid-absorbing vent pipes 3, in the embodiment, four liquid-absorbing vent pipes 3 are adopted, the four liquid-absorbing vent pipes 3 are uniformly distributed around the sheet-shaped liquid-absorbing compress core layer 2 along the circumferential direction, and the bottoms of the liquid-absorbing vent pipes 3 are fixedly adhered to the adhesive layer 4; keep the determining deviation between flowing back permeability cell 3 and the imbibition applies sandwich layer 2, the play liquid end of flowing back permeability cell 3 extends to outside hydrophilic adhesive layer 4, and flowing back permeability cell 3 has increased the space between hydrophilic adhesive layer 4 and wound, is convenient for breathe freely. The liquid discharge vent pipe 3 is provided with an isolation plug or a valve which is in a closed state when in flat state, and the isolation plug is pulled out or the valve is opened when in need of ventilation and liquid discharge so that the isolation plug can naturally ventilate and naturally flow out the seepage, or an injector is used for sucking in O2And the seepage in the adhesive layer 2 is led out.
In this embodiment, the backing layer 5 is made of a polyurethane film or a nonwoven fabric; the hydrophilic adhesive layer 4 is mainly made of hot-melt pressure-sensitive adhesive (such as styrene pressure-sensitive adhesive SIS and SBS series) and compounded with hydrophilic high polymer material; the liquid absorbing and applying core layer 2 is mainly made of hydrophilic polymer materials (sodium carboxymethyl cellulose, sodium alginate and gelatin) and is made of a little hot melt pressure sensitive adhesive or liquid absorbing foam; the liquid discharge ventilating pipe 3 is made of polyvinyl chloride, fluoroethylene propylene or polyurethane; the adhesive stripping layer 5 is silicon-coated release paper, or silicon-coated polyethylene and polyester release film.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the utility model should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the teachings herein.
Claims (7)
1. A breathable liquid absorbent hydrocolloid application characterized by: comprises an anti-sticking stripping layer, a liquid-absorbing dressing core layer, a liquid-discharging vent pipe, a hydrophilic adhesive layer, a liquid-absorbing groove, a back lining layer and air vents; the hydrophilic adhesive layer is adhered to the surface of human skin, the direction close to the skin is taken as the inner side, and the direction close to the skin is taken as the outer side on the contrary; a back lining layer is attached to the outer surface of the hydrophilic adhesive layer, and a plurality of air holes are formed in the back lining layer; the inner surface of the hydrophilic adhesive layer is provided with a plurality of liquid absorption grooves, the plurality of liquid absorption grooves form a criss-cross net structure or a net structure which takes the center of the adhesive layer as an annular radiation type, and the cross section of each liquid absorption groove is semicircular, trapezoidal or triangular; a sheet-shaped liquid absorbing and applying core layer is arranged in the middle of the inner surface of the hydrophilic adhesive layer, and the inner sides of the hydrophilic adhesive layer and the liquid absorbing and applying core layer are covered with an anti-sticking stripping layer; a liquid discharge vent pipe is arranged near the liquid suction dressing core layer, and the bottom of the liquid discharge vent pipe is fixedly adhered to the hydrophilic adhesive layer; keep the interval between flowing back permeability cell and the imbibition and apply the sandwich layer, the play liquid end of flowing back permeability cell extends outside the sticky layer, is equipped with isolation stopper or valve on the flowing back permeability cell.
2. A breathable liquid absorbent hydrocolloid applicator according to claim 1 wherein: the liquid absorbing and applying core layer is of a square, rhombic, circular, oval or triangular sheet structure, the number of the liquid discharging vent pipes is one to four, and the one to four liquid discharging vent pipes are uniformly distributed around the liquid absorbing and applying core layer along the circumferential direction.
3. A breathable liquid absorbent hydrocolloid applicator according to claim 1 wherein: the back lining layer is made of polyurethane film or non-woven fabric.
4. A breathable liquid absorbent hydrocolloid applicator according to claim 1 wherein: the hydrophilic adhesive layer is made of a styrene hot melt adhesive, a polyurethane hot melt adhesive and a polyacrylate hot melt adhesive compounded hydrophilic high polymer material.
5. A breathable liquid absorbent hydrocolloid applicator according to claim 1 wherein: the liquid absorption dressing core layer is made of hydrophilic polymer materials compounded with a little hot melt pressure sensitive adhesive or made of liquid absorption foam.
6. A breathable liquid absorbent hydrocolloid applicator according to claim 1 wherein: the liquid discharge ventilating pipe is made of polyvinyl chloride, fluoroethylene propylene or polyurethane.
7. A breathable liquid absorbent hydrocolloid applicator according to claim 1 wherein: the anti-sticking stripping layer is silicon-coated release paper or a silicon-coated polyethylene and polyester release film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121098602.7U CN215689049U (en) | 2021-05-21 | 2021-05-21 | A breathable liquid-absorbing hydrocolloid applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121098602.7U CN215689049U (en) | 2021-05-21 | 2021-05-21 | A breathable liquid-absorbing hydrocolloid applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215689049U true CN215689049U (en) | 2022-02-01 |
Family
ID=80032203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121098602.7U Active CN215689049U (en) | 2021-05-21 | 2021-05-21 | A breathable liquid-absorbing hydrocolloid applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215689049U (en) |
-
2021
- 2021-05-21 CN CN202121098602.7U patent/CN215689049U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2018278874B2 (en) | Dressing with differentially sized perforations | |
| EP3377013B1 (en) | Medical system with flexible fluid storage bridge | |
| EP3747412B1 (en) | Bridge for medical system and dressing for use under compression | |
| CN112584804B (en) | Adaptable adhesive wound dressing | |
| EP3257486B1 (en) | Condensate absorbing and dissipating system | |
| EP3744361B1 (en) | Absorbent conduit and system | |
| US5167613A (en) | Composite vented wound dressing | |
| US8853486B2 (en) | Film for covering a wound | |
| CN215689049U (en) | A breathable liquid-absorbing hydrocolloid applicator | |
| US20240099897A1 (en) | Medical System And Dressing For Use Under Compression | |
| EP3969071A1 (en) | Dressing including outlet connection fluid buffer | |
| JP2022545354A (en) | Gel-blocking connection assembly for absorbent negative pressure dressings | |
| CN219397889U (en) | a wound patch | |
| CN219166887U (en) | Negative pressure drainage wound dressing | |
| CN219885973U (en) | Breathable waterproof medical foam adhesive tape | |
| CN210932180U (en) | Multi-layer structure plaster | |
| CN112891053A (en) | Cold plaster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |