CN213588712U - Novel silica gel negative pressure drainage dressing - Google Patents
Novel silica gel negative pressure drainage dressing Download PDFInfo
- Publication number
- CN213588712U CN213588712U CN202022160474.6U CN202022160474U CN213588712U CN 213588712 U CN213588712 U CN 213588712U CN 202022160474 U CN202022160474 U CN 202022160474U CN 213588712 U CN213588712 U CN 213588712U
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- Prior art keywords
- layer
- negative pressure
- semi
- foam
- moisture absorption
- 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.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000000741 silica gel Substances 0.000 title claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 15
- 239000006260 foam Substances 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000000499 gel Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 230000001225 therapeutic effect Effects 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 15
- 229920001296 polysiloxane Polymers 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 4
- 235000009165 saligot Nutrition 0.000 claims description 3
- 244000017160 saligot Species 0.000 claims 1
- 231100000241 scar Toxicity 0.000 abstract description 7
- 208000032544 Cicatrix Diseases 0.000 abstract description 6
- 230000037387 scars Effects 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008338 local blood flow Effects 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 206010021143 Hypoxia Diseases 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000012010 growth Effects 0.000 abstract description 3
- 206010020718 hyperplasia Diseases 0.000 abstract description 3
- 230000007954 hypoxia Effects 0.000 abstract description 3
- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000000638 stimulation Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 210000003491 skin Anatomy 0.000 abstract description 2
- 210000000434 stratum corneum Anatomy 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 46
- 206010052428 Wound Diseases 0.000 description 17
- 208000027418 Wounds and injury Diseases 0.000 description 17
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 5
- 229920006264 polyurethane film Polymers 0.000 description 5
- 206010030113 Oedema Diseases 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 240000001085 Trapa natans Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 210000000416 exudates and transudate Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000029663 wound healing Effects 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 206010063560 Excessive granulation tissue Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000033115 angiogenesis Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001126 granulation tissue Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 238000009581 negative-pressure wound therapy Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Materials For Medical Uses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model provides a novel silica gel negative pressure drainage dressing, including the isolation layer, use the isolation layer as carrier silica gel coating and the semi-permeable rete that sets gradually from bottom to top, be equipped with foam hygroscopic layer and high moisture absorption deposit layer from bottom to top between semi-permeable rete and the silica gel coating in proper order, high moisture absorption deposit layer outer lane is equipped with the one-way diversion layer, semi-permeable rete upper end is equipped with the pipe, the semi-permeable rete, the foam hygroscopic layer, high moisture absorption deposit layer all is equipped with the incision with stating the one-way diversion layer, the one end of pipe is switched on with the foam hygroscopic layer through the incision, the other end of pipe is connected with wound negative pressure therapeutic instrument, be; after the silicon gel negative pressure drainage dressing is used, seepage can be fully drained, the evaporation of skin moisture is reduced, the moisture of the skin stratum corneum is increased, and therefore the local blood circulation is improved. In addition, the hydrous cuticle is beneficial to improving the oxygen permeability and reducing the stimulation of hypoxia to the growth of scars, thereby further inhibiting the hyperplasia of scars.
Description
Technical Field
The utility model mainly relates to the technical field of medical treatment, especially, relate to a novel silica gel negative pressure drainage dressing.
Background
Negative pressure wound therapy is the application of controlled negative pressure to the wound, generated by a negative pressure pump, which applies continuous or intermittent negative pressures of different pressures to the wound through a "filter" (foam or gauze) covering the wound. The drainage tube is connected with the transparent film auxiliary material for sealing the wound, and the drainage liquid is continuously sucked into the liquid storage tank. The negative pressure treatment can remove wound exudate, necrotic tissues and bacteria, effectively relieve edema, promote angiogenesis, improve local blood circulation, increase local oxygen supply, and promote wound healing. Because of its definite therapeutic effect, negative pressure therapy has been widely accepted and applied in clinical practice.
When often using wound dressing to nurse, the negative pressure of prior art seals the absorption properties of drainage auxiliary material relatively poor, and when a large amount of exudates oozed from the wound, lead to the drainage effect unsatisfactory, infect once more easily, the wound takes place the edema, and wound healing speed is slower, and follow-up can lead to the scar area big, difficult elimination.
Published chinese utility model patent, application No. CN201822236674.8, patent name: a novel silica gel negative pressure drainage dressing, application day: 20181228, the utility model discloses a novel silicone gel negative pressure drainage dressing, which comprises a PE film, a silicone gel, a first polyurethane film, a first pressure sensitive adhesive, a polyurethane sponge, a second pressure sensitive adhesive, a second polyurethane film, a catheter and a catheter blocker; PE membrane, silica gel, first polyurethane film, first pressure sensitive adhesive, polyurethane sponge, second pressure sensitive adhesive, second polyurethane film top-down set gradually, second pressure sensitive adhesive, second polyurethane film all are equipped with the incision, and the one end of pipe is led on through incision and polyurethane sponge, and the other end and the wound negative pressure therapeutic instrument of pipe are connected, be equipped with the pipe blocker on the pipe. The utility model discloses make the sepage of the surface of a wound can fully drainage, edema elimination, the local blood flow of the surface of a wound increases, surface of a wound bacterium quantity reduces, granulation tissue growth rate accelerates, can promote the healing of the surface of a wound effectively.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a novel silica gel negative pressure drainage dressing, which comprises an isolation layer 1, a silica gel coating layer 2 and a semi-permeable film layer 3 which are arranged in sequence from bottom to top by taking the isolation layer 1 as a carrier,
a foam moisture absorption layer 4 and a high moisture absorption storage layer 5 are sequentially arranged between the semi-permeable membrane layer 3 and the silicon gel coating 2 from bottom to top, a single-direction flow guide layer 6 is arranged on the outer ring of the high moisture absorption storage layer 5, the outer side of the single-direction flow guide layer 6 is respectively attached to the semi-permeable membrane layer 3 and the foam moisture absorption layer 4,
the upper end of the semi-permeable membrane layer 3 is provided with a conduit 7, the semi-permeable membrane layer 3, the foam moisture absorption layer 4, the high moisture absorption storage layer 5 and the unidirectional flow guide layer 6 are provided with incisions, one end of the conduit 7 is communicated with the foam moisture absorption layer 4 through the incisions, the other end of the conduit 7 is connected with a wound negative pressure therapeutic apparatus, and the conduit 7 is provided with a conduit blocker 8.
Preferably, the novel silica gel foam dressing water caltrops adopt a fillet design.
Preferably, the isolation layer 1 is a bacterium isolation film.
Preferably, the foam moisture absorption layer 4 is thickened foam core.
Preferably, the silicone gel coating 2 is in the form of a network.
Preferably, the grid of the silicone gel coating 2 is oval, circular, rectangular or parallelogram shaped.
Preferably, the guide pipe 7 is sleeved with a sealing cover 9, and the sealing cover 9 is tightly attached to the upper surface of the semi-permeable membrane layer 3.
The utility model has the advantages that: after the silicon gel negative pressure drainage dressing is used, seepage can be fully drained, the evaporation of skin moisture is reduced, the moisture of the skin stratum corneum is increased, and therefore the local blood circulation is improved. In addition, the hydrous cuticle is beneficial to improving the oxygen permeability and reducing the stimulation of hypoxia to the growth of scars, thereby further inhibiting the hyperplasia of scars.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
in the figure, the position of the upper end of the main shaft,
1. an isolation layer; 2. a silicone gel coating; 3. a semi-permeable membrane layer; 4. a foam moisture-absorbing layer; 5. a high moisture absorption reservoir layer; 6. a unidirectional current guide layer; 7. a conduit; 8. a catheter occluder; 9. and (7) sealing the cover.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, the present invention comprises: an isolating layer 1, a silicon gel coating 2 and a semi-permeable membrane layer 3 which are arranged in sequence from bottom to top by taking the isolating layer 1 as a carrier,
a foam moisture absorption layer 4 and a high moisture absorption storage layer 5 are sequentially arranged between the semi-permeable membrane layer 3 and the silicon gel coating 2 from bottom to top, a single-direction flow guide layer 6 is arranged on the outer ring of the high moisture absorption storage layer 5, the outer side of the single-direction flow guide layer 6 is respectively attached to the semi-permeable membrane layer 3 and the foam moisture absorption layer 4,
the upper end of the semi-permeable membrane layer 3 is provided with a conduit 7, the semi-permeable membrane layer 3, the foam moisture absorption layer 4, the high moisture absorption storage layer 5 and the unidirectional flow guide layer 6 are provided with incisions, one end of the conduit 7 is communicated with the foam moisture absorption layer 4 through the incisions, the other end of the conduit 7 is connected with a wound negative pressure therapeutic apparatus, and the conduit 7 is provided with a conduit blocker 8.
In use, method of use and effect achieved
In the implementation, the novel silica gel foam dressing water caltrops are preferably designed with round corners.
Set up above-mentioned structure, the fillet design, difficult turn-up is more laminated, and the difficult crimping that appears of dressing sticks up the phenomenon on limit.
In this embodiment, the isolation layer 1 is preferably a bacteria-proof film.
Set up above-mentioned structure, separate the fungus film and guarantee to apply the core clean, ensure not to take place the bacterial infection wound.
In the present embodiment, the foam absorbent layer 4 is preferably thickened foam core.
The structure is arranged, so that the pressure is effectively reduced, and seepage is absorbed.
In the present embodiment, the silicone gel coating 2 preferably has a network structure.
By the arrangement of the structure, the net-shaped structure plays a role in ventilation.
In the present embodiment, it is preferable that the lattice of the silicone gel coat 2 is elliptical, circular, rectangular or parallelogram.
In this embodiment, the catheter 7 is preferably sleeved with a sealing cover 9, and the sealing cover 9 is closely attached to the upper surface of the semipermeable membrane layer 3.
By adopting the structure, the sealing cover prevents seepage from leaking outwards.
Only the bacterium-isolating film needs to be torn off, the silicone gel coating is firstly attached to the wound surface, and finally the semi-permeable film layer is lightly pressed downwards by hands. In addition, the hydrous cuticle is beneficial to improving the oxygen permeability and reducing the stimulation of hypoxia to the growth of scars, thereby further inhibiting the hyperplasia of scars.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. A novel silica gel negative pressure drainage dressing is characterized by comprising an isolation layer (1), a silica gel coating (2) and a semi-permeable membrane layer (3) which are sequentially arranged from bottom to top by taking the isolation layer (1) as a carrier,
a foam moisture absorption layer (4) and a high moisture absorption storage layer (5) are sequentially arranged between the semi-permeable film layer (3) and the silicon gel coating (2) from bottom to top, a unidirectional flow guide layer (6) is arranged on the outer ring of the high moisture absorption storage layer (5), the outer side of the unidirectional flow guide layer (6) is respectively jointed with the semi-permeable film layer (3) and the foam moisture absorption layer (4),
semi-permeable rete (3) upper end is equipped with pipe (7), semi-permeable rete (3), foam hygroscopic layer (4), high hygroscopic storage layer (5) with unidirectional current guide layer (6) all are equipped with the incision, and the one end of pipe (7) is passed through incision and foam hygroscopic layer (4) and is switched on, and the other end and the wound negative pressure therapeutic instrument of pipe (7) are connected, be equipped with pipe blocker (8) on pipe (7).
2. The novel silicone gel negative pressure drainage dressing of claim 1, wherein: the novel silica gel foam dressing water caltrop adopts a fillet design.
3. The novel silicone gel negative pressure drainage dressing of claim 2, wherein: the isolation layer (1) is a bacterium isolation film.
4. The novel silicone gel negative pressure drainage dressing of claim 3, wherein: the foam moisture absorption layer (4) is a thickened foam dressing core.
5. The novel silicone gel negative pressure drainage dressing of claim 4, wherein: the silicon gel coating (2) is of a net structure.
6. The novel silicone gel negative pressure drainage dressing of claim 5, wherein: the grid of the silicon gel coating (2) is oval, circular, rectangular or parallelogram.
7. The novel silicone gel negative pressure drainage dressing of claim 1, wherein: the catheter (7) is sleeved with a sealing cover (9), and the sealing cover (9) is tightly attached to the upper surface of the semi-permeable membrane layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022160474.6U CN213588712U (en) | 2020-09-27 | 2020-09-27 | Novel silica gel negative pressure drainage dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022160474.6U CN213588712U (en) | 2020-09-27 | 2020-09-27 | Novel silica gel negative pressure drainage dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213588712U true CN213588712U (en) | 2021-07-02 |
Family
ID=76589275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022160474.6U Expired - Fee Related CN213588712U (en) | 2020-09-27 | 2020-09-27 | Novel silica gel negative pressure drainage dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213588712U (en) |
-
2020
- 2020-09-27 CN CN202022160474.6U patent/CN213588712U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |