CN105434107A - Silica gel vacuum sealing drainage dressing - Google Patents
Silica gel vacuum sealing drainage dressing Download PDFInfo
- Publication number
- CN105434107A CN105434107A CN201510924870.2A CN201510924870A CN105434107A CN 105434107 A CN105434107 A CN 105434107A CN 201510924870 A CN201510924870 A CN 201510924870A CN 105434107 A CN105434107 A CN 105434107A
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- China
- Prior art keywords
- dressing
- layer
- silica gel
- drainage
- silica hydrogel
- 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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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 title abstract description 14
- 239000000741 silica gel Substances 0.000 title abstract 11
- 229910002027 silica gel Inorganic materials 0.000 title abstract 11
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000000499 gel Substances 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 32
- 239000010703 silicon Substances 0.000 claims description 32
- 239000000017 hydrogel Substances 0.000 claims description 24
- 239000000377 silicon dioxide Substances 0.000 claims description 24
- 210000000416 exudates and transudate Anatomy 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 16
- 210000004081 cilia Anatomy 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229920006264 polyurethane film Polymers 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 206010052428 Wound Diseases 0.000 abstract description 23
- 208000027418 Wounds and injury Diseases 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 17
- 230000029663 wound healing Effects 0.000 abstract description 5
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000002980 postoperative effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 239000002250 absorbent Substances 0.000 description 10
- 201000004624 Dermatitis Diseases 0.000 description 6
- 238000009581 negative-pressure wound therapy Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 208000002847 Surgical Wound Diseases 0.000 description 4
- 206010051373 Wound haemorrhage Diseases 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 208000010668 atopic eczema Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 210000003722 extracellular fluid Anatomy 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 102000004506 Blood Proteins Human genes 0.000 description 1
- 108010017384 Blood Proteins Proteins 0.000 description 1
- 206010021138 Hypovolaemic shock Diseases 0.000 description 1
- 108090000723 Insulin-Like Growth Factor I Proteins 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 102000013275 Somatomedins Human genes 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 206010040560 shock Diseases 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- A61F13/01017—
-
- A61F13/05—
Abstract
The invention provides a silica gel vacuum sealing drainage dressing, and belongs to the technical field of medical equipment. The silica gel vacuum sealing drainage dressing solves the technical problem that an existing silica gel vacuum sealing drainage dressing is poor in drainage effect. The silica gel vacuum sealing drainage dressing comprises a dressing body. A drainage structure which can discharge percolate under the effect of negative pressure is connected to the dressing body. The silica gel vacuum sealing drainage dressing is characterized in that the dressing body comprises a silica gel layer which can be attached to a human body, through holes are evenly distributed in the silica gel layer, a liquid storage and filter layer and an absorption structure are sequentially arranged on the silica gel layer, the liquid storage and filter layer has the storage and filter functions, and the absorption structure has the percolate absorption function. The silica gel vacuum sealing drainage dressing can be used for processing a small amount of percolate at a postoperative incision, the drainage effect is good, wounds can be prevented from bleeding, and the silica gel vacuum sealing drainage dressing has the advantages of accelerating wound healing, decreasing the number of dressing change times and saving resources.
Description
Technical field
The invention belongs to technical field of medical instruments, relate to dressing materials, especially relate to the dressing of a kind of Silica hydrogel negative-pressure sealed drainage.
Background technology
Negative pressure wound therapy (NegativePressureWoundTherapy, NPWT) is the trauma care mode of the advanced person that development in recent years is got up.It mainly by applying lower negative pressure (general-55mmHg to 175mmHg) to wound, promotes the healing of wound surface.Particularly, vacuum suction acts on cell membrane, can make it expansion, distortion, cell just thinks damage, and the information of conduction impairment, to nucleus, is changed by signal, heal before causing emiocytosis somatomedin, comprises the vascular proliferation factor, thus stimulate tissue to produce more new vessels; In addition, vacuum suction siphons away transudate from wound surface, helps to set up wound bed fluid balance; And can reach a moistening environment is provided, remove slough, reduce the bacterial number (because antibacterial not easily survives under negative pressure) of wound surface, alleviate the effect of edema (i.e. extracellular fluid/intercellular fluid); Secondly, when captivation acts on dressing, air is sucked away, and dressing is with regard to collapses down and compressing acts on wound surface uniformly, and this pressure can resist the excessive of the wound surface caused and ooze out.Therefore negative pressure wound therapy technology can be used for Patients with Big Area Burn, can avoid patient being made to lose too much plasma protein because a large amount of wound surface oozes out by this technology, reduce the probability that hypovolemic shock occurs for it.
But the absorbent properties of the negative-pressure sealed drainage adjuvant of prior art are poor, and the sealing property in drainage process is poor, and cause drainage effect undesirable, speed of wound healing is slower.
Such as Chinese patent discloses a kind of negative pressure wound therapy dressing [application number: 201520100482.8], comprise: for covering on wound for transmitting the transport layer of wound fluid, cover described transport layer and sealant for wound and extraneous air being isolated, be arranged at described sealant for connecting the negative port of negative pressure source, be communicated with described negative port and be arranged at for providing the drainage tube of the negative pressure of aspirating described wound fluid in described transport layer, described drainage tube is provided with projection.
Although technique scheme has certain drainage effect, but the sealing of its transport layer and wound is poor, in negative pressure drainage process, the efficiency of drain is lower, drain is thorough not, cause speed of wound healing slow, and above-mentioned dressing easily results in blockage in drainage process, cause drainage effect undesirable.
Summary of the invention
The object of the invention is for the problems referred to above, the dressing of a kind of Silica hydrogel negative-pressure sealed drainage is provided, the transudate process that is a small amount of, small size with post-surgical incisions can be applied, drainage effect is good, can prevent wound bleeding, accelerating wound healing, reduce dressing change frequency, the advantage economized on resources.
For achieving the above object, present invention employs following technical proposal: the dressing of this Silica hydrogel negative-pressure sealed drainage, comprise dressing body, described dressing body is connected with the flow guiding structure that transudate can be carried out discharging under suction function, it is characterized in that, described dressing body comprises the silicon gel layer that can adhere to human body, the through hole that described silicon gel layer is evenly equipped with, described silicon gel layer sets gradually the liquid storage filter course with storage and filtering function and the absorbing structure with absorption transudate function.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, the outside of described absorbing structure is provided with the capping layer be made up of waterproof material, the outer rim of described silicon gel layer and the outer rim adhesion of capping layer thus liquid storage filter course and absorbing structure are coated between silicon gel layer and capping layer.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, described liquid storage filter course comprises the first lamina reticularis be connected with silicon gel layer and the second lamina reticularis be connected with absorbing structure, some cilium bars spaced apart are provided with between the first described lamina reticularis and the second lamina reticularis, one end of described cilium bar is connected with the first lamina reticularis, and the other end is connected with the second lamina reticularis.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, the sizing grid of the first described lamina reticularis is less than the sizing grid of the second lamina reticularis.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, described absorbing structure comprises foamed cotton layer and super-absorbent knot layer, and the one side of described foamed cotton layer is connected with liquid storage filter course, and described super-absorbent knot layer is connected with the another side of foamed cotton layer.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, described foamed cotton layer is made up of medical polyurethane foam, and described super-absorbent knot layer is made up of macromolecule superabsorbent fiber, and described capping layer is made up of polyurethane film.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, described flow guiding structure comprises sucker, and described sucker is connected with drainage tube, and described dressing body is provided with conduction hole, and described sucker is arranged on conduction hole place.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, described conduction hole runs through capping layer and extends in absorbing structure.
In above-mentioned Silica hydrogel negative-pressure sealed drainage dressing, the one side that described silicon gel layer can adhere to human body is provided with the two panels release paper that this face can be covered, and the adjacent side of two panels release paper is overlapped.
Compared with prior art, the invention has the advantages that:
1, can apply a small amount of transudate process with post-surgical incisions, drainage effect is good, can prevent wound bleeding, accelerating wound healing, reduces dressing change frequency, the advantage economized on resources;
2, silicon gel layer has good cohesive, breathability, and ductility is good, and can reduce the generation of eczema and dermatitis, silicon gel layer does not stick together with wound, and after long-time use, during removing, pain is lighter;
3, liquid storage filter course can play the function of filtering and storing transudate, and prevent foreign body from blocking flow guiding structure and cause drainage effect to weaken, absorbing structure can ensure that dressing body can absorb a large amount of transudates, the healing of accelerated in wounds;
4, capping layer can make dressing body have good sealing, water resistance, and being convenient to patient can take action easily and wash one's face and rinse one's mouth in drainage process, significantly improves the quality of life of patient.
Accompanying drawing explanation
To be that Silica hydrogel negative-pressure sealed drainage provided by the invention dressing is main look knot profile to Fig. 1;
Fig. 2 is the top view of Silica hydrogel negative-pressure sealed drainage provided by the invention dressing;
Fig. 3 is A portion enlarged drawing in Fig. 1.
In figure, dressing body 1, flow guiding structure 2, silicon gel layer 3, through hole 31, liquid storage filter course 4, absorbing structure 5, capping layer 6, first lamina reticularis 41, second lamina reticularis 42, cilium bar 43, foamed cotton layer 51, super-absorbent knot layer 52, sucker 21, drainage tube 22, conduction hole 11, release paper 7.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, Silica hydrogel negative-pressure sealed drainage dressing in this programme, comprise dressing body 1, dressing body 1 is connected with the flow guiding structure 2 that transudate can be carried out discharging under suction function, it is characterized in that, dressing body 1 comprises the silicon gel layer 3 that can adhere to human body, the through hole 31 that silicon gel layer 3 is evenly equipped with, silicon gel layer 3 sets gradually the liquid storage filter course 4 with storage and filtering function and the absorbing structure 5 with absorption transudate function, the one side that silicon gel layer 3 can adhere to human body is provided with the two panels release paper 7 that this face can be covered, and the adjacent side of two panels release paper 7 is overlapped.Adopt silicon gel layer 3 that dressing body 1 is fixed on wound in this programme, improve the sealing property of dressing body 1 and wound, silicon gel layer 3 has good cohesive, breathability, and ductility is good, the generation of eczema and dermatitis can be reduced, silicon gel layer 3 does not stick together with wound, and after long-time use, during removing, pain is lighter.The a small amount of transudate process with post-surgical incisions can be applied, drainage effect is good, wound bleeding can be prevented, liquid storage filter course 4 can play the function of filtering and storing transudate, preventing foreign body from blocking flow guiding structure 2 causes drainage effect to weaken, absorbing structure 5 can ensure that dressing body 1 can absorb a large amount of transudates, the healing of accelerated in wounds.
Say further, the outside of absorbing structure 5 is provided with the capping layer 6 be made up of waterproof material, the outer rim of silicon gel layer 3 and the outer rim adhesion of capping layer 6 thus liquid storage filter course 4 and absorbing structure 5 are coated between silicon gel layer 3 and capping layer 6.Capping layer 6 is waterproof, ventilative polyurethane film, makes dressing body 1 have good sealing, water resistance, and being convenient to patient can take action easily and wash one's face and rinse one's mouth in drainage process, significantly improves the quality of life of patient.
Liquid storage filter course 4 comprises the first lamina reticularis 41 be connected with silicon gel layer 3 and the second lamina reticularis 42 be connected with absorbing structure 5, some cilium bars 43 spaced apart are provided with between first lamina reticularis 41 and the second lamina reticularis 42, one end of cilium bar 43 is connected with the first lamina reticularis 41, and the other end is connected with the second lamina reticularis 42.The sizing grid of the first lamina reticularis 41 is less than the sizing grid of the second lamina reticularis 42.
Specifically, some cilium bars 43 arrange and form liquid storage space, liquid storage filter course 4 can not only play the effect of buffering transudate, prevent transudate from pouring out and cannot the problem of drain rapidly, the first lamina reticularis 41, second lamina reticularis 42 simultaneously in liquid storage filter course 4 and cilium bar 43 tentatively can filter transudate, the foreign body preventing volume larger enters the blocking causing flow guiding structure 2 in flow guiding structure 2, can improve drainage effect further.
Absorbing structure 5 comprises foamed cotton layer 51 and super-absorbent knot layer 52, and the one side of foamed cotton layer 51 is connected with liquid storage filter course 4, and super-absorbent knot layer 52 is connected with the another side of foamed cotton layer 51.
Say further, foamed cotton layer 51 is made up of medical polyurethane foam, and super-absorbent knot layer 52 is made up of macromolecule superabsorbent fiber, and capping layer 6 is made up of polyurethane film.Superabsorbent fiber superabsorbent fiber in the present invention for principal monomer with acrylic acid, cross-linking monomer, by preparing polymerization technique, being had high water absorption rate, fully can absorb transudate, then discharged by flow guiding structure 2.
Flow guiding structure 2 comprises sucker 21, sucker 21 is connected with drainage tube 22, and dressing body 1 is provided with conduction hole 11, and sucker 21 is arranged on conduction hole 11 place, and conduction hole 11 runs through capping layer 6 and extends in absorbing structure 5.Sucker 21 in the present invention is directly connected with foamed cotton layer 51, and because the superabsorbent fiber in super-absorbent knot layer can be unfavorable for drain by undergoes rapid expansion after absorbing water, therefore sucker 21 is directly communicated with the discharge effect that can improve flow guiding structure 2 pairs of transudates with foamed cotton layer 51.
Operation principle: the release paper 7 tearing silicon gel layer 3 back side during use off, by silicon gel layer 3, dressing body 1 is fixed on wound, silicon gel layer 3 has good cohesive, breathability, and ductility is good, the generation of eczema and dermatitis can be reduced, silicon gel layer 3 does not stick together with wound, when removing after long-time use, pain is lighter, the a small amount of transudate process with post-surgical incisions can be applied, drainage effect is good, wound bleeding can be prevented, during negative pressure drainage, liquid storage filter course 4 can play the function of filtering and storing transudate, preventing foreign body from blocking flow guiding structure 2 causes drainage effect to weaken, absorbing structure 5 can ensure that dressing body 1 can absorb a large amount of transudates, the healing of accelerated in wounds, capping layer 6 can make dressing body 1 have good sealing, water resistance, and being convenient to patient can take action easily and wash one's face and rinse one's mouth in drainage process, significantly improves the quality of life of patient.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the term such as dressing body 1, flow guiding structure 2, silicon gel layer 3, through hole 31, liquid storage filter course 4, absorbing structure 5, capping layer 6, first lamina reticularis 41, second lamina reticularis 42, cilium bar 43, foamed cotton layer 51, super-absorbent knot layer 52, sucker 21, drainage tube 22, conduction hole 11, release paper 7 herein, do not get rid of the probability using other term.Use these terms to be only used to describe and explain essence of the present invention more easily, the restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. Silica hydrogel negative-pressure sealed drainage dressing, comprise dressing body (1), described dressing body (1) is connected with the flow guiding structure (2) that transudate can be carried out discharging under suction function, it is characterized in that, described dressing body (1) comprises the silicon gel layer (3) that can adhere to human body, the through hole (31) that described silicon gel layer (3) is evenly equipped with, described silicon gel layer (3) sets gradually the liquid storage filter course (4) with storage and filtering function and the absorbing structure (5) with absorption transudate function.
2. Silica hydrogel negative-pressure sealed drainage according to claim 1 dressing, it is characterized in that: the outside of described absorbing structure (5) is provided with the capping layer (6) be made up of waterproof material, the outer rim of described silicon gel layer (3) and the outer rim adhesion of capping layer (6) thus liquid storage filter course (4) and absorbing structure (5) are coated between silicon gel layer (3) and capping layer (6).
3. Silica hydrogel negative-pressure sealed drainage according to claim 2 dressing, it is characterized in that: described liquid storage filter course (4) comprises the first lamina reticularis (41) be connected with silicon gel layer (3) and the second lamina reticularis (42) be connected with absorbing structure (5), some cilium bars (43) spaced apart are provided with between described the first lamina reticularis (41) and the second lamina reticularis (42), one end of described cilium bar (43) is connected with the first lamina reticularis (41), and the other end is connected with the second lamina reticularis (42).
4. Silica hydrogel negative-pressure sealed drainage according to claim 3 dressing, is characterized in that: the sizing grid of described the first lamina reticularis (41) is less than the sizing grid of the second lamina reticularis (42).
5. the Silica hydrogel negative-pressure sealed drainage dressing according to Claims 2 or 3 or 4, it is characterized in that: described absorbing structure (5) comprises foamed cotton layer (51) and superabsorbent layer (52), the one side of described foamed cotton layer (51) is connected with liquid storage filter course (4), and described superabsorbent layer (52) is connected with the another side of foamed cotton layer (51).
6. Silica hydrogel negative-pressure sealed drainage according to claim 5 dressing, it is characterized in that: described foamed cotton layer (51) is made up of medical polyurethane foam, described superabsorbent layer (52) is made up of macromolecule superabsorbent fiber, and described capping layer (6) is made up of polyurethane film.
7. the Silica hydrogel negative-pressure sealed drainage dressing according to Claims 2 or 3 or 4, it is characterized in that: described flow guiding structure (2) comprises sucker (21), described sucker (21) is connected with drainage tube (22), described dressing body (1) is provided with conduction hole (11), and described sucker (21) is arranged on conduction hole (11) place.
8. Silica hydrogel negative-pressure sealed drainage according to claim 7 dressing, is characterized in that: described conduction hole (11) runs through capping layer (6) and extends in absorbing structure (5).
9. the Silica hydrogel negative-pressure sealed drainage dressing according to claim 1 or 2 or 3 or 4, it is characterized in that: the one side that described silicon gel layer (3) can adhere to human body is provided with the two panels release paper (7) that this face can be covered, and the adjacent side of two panels release paper (7) is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924870.2A CN105434107A (en) | 2015-12-13 | 2015-12-13 | Silica gel vacuum sealing drainage dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924870.2A CN105434107A (en) | 2015-12-13 | 2015-12-13 | Silica gel vacuum sealing drainage dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105434107A true CN105434107A (en) | 2016-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510924870.2A Pending CN105434107A (en) | 2015-12-13 | 2015-12-13 | Silica gel vacuum sealing drainage dressing |
Country Status (1)
| Country | Link |
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| CN (1) | CN105434107A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510952A (en) * | 2016-11-04 | 2017-03-22 | 吴康平 | Super-absorbent medical dressing |
| CN110584881A (en) * | 2019-09-05 | 2019-12-20 | 大博医疗科技股份有限公司 | Medical device for managing seepage of damaged tissue |
| CN113712735A (en) * | 2021-11-03 | 2021-11-30 | 上海大博医疗科技有限公司 | Portable wound surface management dressing |
| CN114028077A (en) * | 2021-12-15 | 2022-02-11 | 湖南德普斯医疗科技有限公司 | Negative pressure drainage dressing with wound surface flushing function |
| CN114469522A (en) * | 2021-12-28 | 2022-05-13 | 江苏洁乐医用敷料有限公司 | Medical multipurpose dressing subsides |
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| US6713083B1 (en) * | 1996-03-15 | 2004-03-30 | Johnson & Johnson Medical, Ltd. | Coated bioabsorbable beads for wound treatment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510952A (en) * | 2016-11-04 | 2017-03-22 | 吴康平 | Super-absorbent medical dressing |
| CN110584881A (en) * | 2019-09-05 | 2019-12-20 | 大博医疗科技股份有限公司 | Medical device for managing seepage of damaged tissue |
| CN113712735A (en) * | 2021-11-03 | 2021-11-30 | 上海大博医疗科技有限公司 | Portable wound surface management dressing |
| CN114028077A (en) * | 2021-12-15 | 2022-02-11 | 湖南德普斯医疗科技有限公司 | Negative pressure drainage dressing with wound surface flushing function |
| CN114469522A (en) * | 2021-12-28 | 2022-05-13 | 江苏洁乐医用敷料有限公司 | Medical multipurpose dressing subsides |
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Application publication date: 20160330 |
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