CN207412433U - A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis - Google Patents
A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis Download PDFInfo
- Publication number
- CN207412433U CN207412433U CN201720265137.9U CN201720265137U CN207412433U CN 207412433 U CN207412433 U CN 207412433U CN 201720265137 U CN201720265137 U CN 201720265137U CN 207412433 U CN207412433 U CN 207412433U
- Authority
- CN
- China
- Prior art keywords
- layer
- inflammatory
- hemostasis
- antibacterial
- indwelling needle
- 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
- 230000003110 anti-inflammatory effect Effects 0.000 title claims abstract description 53
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000004744 fabric Substances 0.000 title claims abstract description 36
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 32
- 239000004332 silver Substances 0.000 title claims abstract description 32
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 30
- 230000023597 hemostasis Effects 0.000 title claims abstract description 26
- 239000000853 adhesive Substances 0.000 title claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 18
- 230000003115 biocidal effect Effects 0.000 claims abstract description 30
- 230000002439 hemostatic effect Effects 0.000 claims abstract description 23
- 230000000845 anti-microbial effect Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000004698 Polyethylene Substances 0.000 claims description 32
- 229920001661 Chitosan Polymers 0.000 claims description 12
- 241001122767 Theaceae Species 0.000 claims description 12
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 12
- 235000013824 polyphenols Nutrition 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000000025 haemostatic effect Effects 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920006264 polyurethane film Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 229920006266 Vinyl film Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 230000001954 sterilising effect Effects 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 206010061218 Inflammation Diseases 0.000 description 5
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 5
- 206010052428 Wound Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 208000032840 Catheter-Related Infections Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000002155 anti-virotic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Materials For Medical Uses (AREA)
Abstract
The utility model provides a kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis, including：Adhered layer, adhered layer center open up fluted；The substrate layer being fixed in adhered layer drop-center；It is covered in the hemostatic layer of substrate layer upper surface；It is covered in the anti-inflammatory layer of hemostatic layer upper surface；The antibiotic layer of anti-inflammatory layer upper surface is covered in, the antibiotic layer is nanometer silver antimicrobial spunlace non-woven cloth layer, contains nano silver particles in the nanometer silver antimicrobial spunlace non-woven cloth layer；Lid overlays on the PE film layers that prevent adhesion of antibiotic layer upper surface, and the PE film surfaces that prevent adhesion offer multiple open-works in matrix arrangement；And two retractable be symmetrically fixed on adhered layer left and right ends and cover in the off-style paper layer of PE film surfaces that prevents adhesion.The indwelling needle-like adhesive bandage with nm silver fabric layer structure of this antibacterial anti-inflammatory hemostasis is easy to use, and has effects that anti-pin mouth adhesion, antibacterial, anti-inflammatory and hemostasis.
Description
Technical field
The utility model is related to medical and hygiene article technical fields, and in particular to a kind of indwelling needle-like of antibacterial anti-inflammatory hemostasis
Adhesive bandage with nm silver fabric layer.
Background technology
The method of the fixed infusion niidl of tradition is to paste infusion niidl with several simple medical proof fabrics, and pinprick usually exposes
In outside air.There are the defects of three aspects for this fixing means：First, this medical proof fabric does not have antibacterial effect, easily
Catheter associated infection is caused, and medical proof fabric glues the surface of a wound, and rough surface is not easy to replace, patient pain；Second, long-time service,
Bacterium is easily grown, pin mouthfeel is caused to contaminate, the pin lipstick at remaining needle position is made to swell, inflammation；3rd, after extracting needle tubing, medical adhesive
Cloth does not have the effect of hemostasis, anti-inflammatory and antibacterial, usually also needs to for a period of time to stop blooding using the cotton swab long-press for having glued alcohol
Disinfection, it is troublesome in poeration.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes a kind of indwelling needle-like nano silver wounds of antibacterial anti-inflammatory hemostasis
Wound patch, the indwelling needle-like adhesive bandage with nm silver fabric layer structure of this antibacterial anti-inflammatory hemostasis is easy to use, and has anti-pin mouth adhesion, resists
The effect of bacterium, anti-inflammatory and hemostasis.
To realize above-mentioned technical proposal, the utility model provides a kind of indwelling needle-like nano silver wound of antibacterial anti-inflammatory hemostasis
Wound patch, including：Adhered layer, the adhered layer are medical polyurethane film, and the adhered layer center opens up fluted；It is fixed on viscous
Substrate layer in paste layer drop-center, the substrate layer are medical non-woven fabrics；The hemostatic layer of substrate layer upper surface is covered in, it is described
Hemostatic layer is chitosan fiber layers or surface coats the polyethylene film of chitosan coating or the non-woven fabrics containing haemostatic effect；It pastes
Anti-inflammatory layer in hemostatic layer upper surface, the anti-inflammatory layer coat the polyethylene film or non-woven fabrics of tea polyphenols coating for surface；Patch
Overlay on the antibiotic layer of anti-inflammatory layer upper surface, the antibiotic layer is nanometer silver antimicrobial spunlace non-woven cloth layer, the nanometer silver antimicrobial water
Prick nonwoven cloth layer contains nano silver particles；Lid overlays on the PE film layers that prevent adhesion of antibiotic layer upper surface, the PE film layer tables that prevent adhesion
Face offers multiple open-works in matrix arrangement；And two retractable symmetrical be fixed on adhered layer left and right ends and cover anti-
The off-style paper layer of adhesion PE film surfaces.
In the above-mentioned technical solutions, during actual use, off-style paper layer need to only be peeled off, the middle part of adhered layer is aligned
Pin mouth is inserted into the position of human vas, then corresponding position will be pasted onto at left and right sides of adhered layer, due to by preventing adhesion
PE film layers are contacted with pin mouth position, can effectively prevent antibiotic layer and pin mouth adhesion, and antibiotic layer release sterilization silver ion is quickly worn
Cross the open-work to prevent adhesion in PE film layers and enter pin mouth, to pin mouth carry out antibacterial sterilization, while hemostatic layer release chitosan molecule,
The tea polyphenols molecule of anti-inflammatory layer release is contacted through the open-work to prevent adhesion in PE film layers with pin mouth, realizes the work(of anti-inflammation hemostasia
Energy.And the PE films that prevent adhesion have separated antibiotic layer and have been contacted directly with pin mouth, can prevent antibiotic layer adhesion pin mouth, are torn convenient for the later stage
Pin mouth is torn during except adhered layer, prevents from causing secondary injury.
Preferably, the thickness of the hemostatic layer is 50-1000um.The thickness of hemostatic layer is unsuitable excessively thin, otherwise chitosan point
Son amount storage is limited, and haemostatic effect is not prominent enough；The thickness of hemostatic layer is also unsuitable blocked up simultaneously, otherwise can increase production cost.
It is found by many experiments, when the thickness of hemostatic layer is 50-1000um, haemostatic effect is good, and cost-effective.
Preferably, the thickness of the anti-inflammatory layer is 50-500um.The thickness of anti-inflammatory layer is unsuitable excessively thin, otherwise tea polyphenols molecule
Amount storage is limited, and anti-inflammatory effects are not prominent enough；The thickness of anti-inflammatory layer is also unsuitable blocked up simultaneously, otherwise can increase production cost.Through
Many experiments discovery is crossed, when the thickness of anti-inflammatory layer is 50-500um, anti-inflammatory effects are good, and cost-effective.
Preferably, the thickness of the antibiotic layer is 50-1200um.The thickness of nanometer silver antimicrobial spunlace non-woven cloth layer in antibiotic layer
Degree is unsuitable excessively thin, and otherwise the nano silver release sterilization silver ion amount in nanometer silver antimicrobial spunlace non-woven cloth layer is limited, antibacterial sterilization
Effect it is limited；The thickness of nanometer silver antimicrobial spunlace non-woven cloth layer is also unsuitable blocked up simultaneously, otherwise can slow down tea polyphenols and shell gathers
The transmission rates of sugar are unfavorable for the anti-inflammation hemostasia of pin mouth.It is found by many experiments, when nanometer silver antimicrobial spunlace non-woven cloth layer
When thickness is 50-1200um, the effect of the anti-inflammatory of indwelling needle-like adhesive bandage with nm silver fabric layer of this antibacterial anti-inflammatory hemostasis, hemostasis and antibacterial
It is best.
Preferably, the PE film surfaces open-work that prevents adhesion is square hole or circular hole, the equivalent diameter of the square hole or circular hole
For 0.5-2mm, the centre distance between adjacent two open-work is 1-3mm.It is demonstrated experimentally that the diameter for the PE film surface open-works that prevent adhesion
For 0.5-2mm, when the centre distance between adjacent two open-work is 1-3mm, it can both reach preferable preventing adhesiving effect, be conducive to
Nano silver, tea polyphenols and chitosan molecule pass through.
A kind of advantageous effect of the indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis provided by the utility model is：
The indwelling needle-like adhesive bandage with nm silver fabric layer of this antibacterial anti-inflammatory hemostasis is contacted by the PE film layers that prevent adhesion with pin mouth position, can effectively be prevented
Only antibiotic layer and pin mouth adhesion, the sterilization silver ion of antibiotic layer release, the chitosan molecule of hemostatic layer release, anti-inflammatory layer discharge
The open-work that tea polyphenols molecule can be prevented adhesion in PE film layers with fast strikethrough is contacted with pin mouth, realizes antibacterial, anti-inflammatory, the work(of hemostasis
Energy.And the PE films that prevent adhesion have separated antibiotic layer and have been contacted directly with pin mouth, can prevent antibiotic layer adhesion pin mouth, are torn convenient for the later stage
Pin mouth is torn during except adhered layer, prevents from causing secondary injury.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the top view of PE film layers of preventing adhesion in the utility model.
In figure：10th, adhered layer；20th, substrate layer；30th, hemostatic layer；40th, anti-inflammatory layer；50th, antibiotic layer；60th, prevent adhesion PE films
Layer；61st, open-work；70th, off-style paper layer.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Ordinary people in the field's all other embodiments obtained without making creative work, belong to
The scope of protection of the utility model.
Embodiment：A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis.
It is shown referring to Figures 1 and 2, a kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis, including：Adhered layer
10, the adhered layer 10 is medical polyurethane film, and 10 center of adhered layer opens up fluted；It is fixed on 10 center of adhered layer
Substrate layer 20 in groove, the substrate layer 20 are medical non-woven fabrics；The hemostatic layer 30 of 20 upper surface of substrate layer is covered in, it is described
Hemostatic layer 30 coats the polyethylene film of chitosan coating for surface；The anti-inflammatory layer 40 of 30 upper surface of hemostatic layer is covered in, it is described
Anti-inflammatory layer 40 coats the polyethylene film of tea polyphenols coating for surface；The antibiotic layer 50 of 40 upper surface of anti-inflammatory layer is covered in, it is described
Antibiotic layer 50 is nanometer silver antimicrobial spunlace non-woven cloth layer, and the nanometer silver antimicrobial spunlace non-woven cloth layer contains nano silver particles；Lid covers
The PE film layers 60 that prevent adhesion in 50 upper surface of antibiotic layer, it is in matrix arrangement that 60 surface of PE film layers that prevents adhesion, which offers multiple,
Open-work 61；And two it is retractable it is symmetrical be fixed on 10 left and right ends of adhered layer and cover 60 surface of PE film layers that prevents adhesion from
Type paper layer 70.
The operation principle of the utility model is：In actual use, off-style paper layer 70 need to only be peeled off, by adhered layer 10
Middle part alignment pins mouth insertion human vas position, 10 left and right sides of adhered layer is then pasted onto corresponding position, by
It is contacted in by the PE film layers 60 that prevent adhesion with pin mouth position, can effectively prevent antibiotic layer 50 and pin mouth adhesion, antibiotic layer 50 is released
It puts sterilization silver ion and passes rapidly through the open-work 61 to prevent adhesion in PE film layers 60 into pin mouth, antibacterial sterilization is carried out to pin mouth, simultaneously
The tea polyphenols molecule that the chitosan molecule of the release of hemostatic layer 30, anti-inflammatory layer 40 discharge is through the open-work to prevent adhesion in PE film layers 60
61 contact with pin mouth, realize the function of anti-inflammation hemostasia.And the PE film layers 60 that prevent adhesion have been separated antibiotic layer 50 and have directly been connect with pin mouth
It touches, can prevent 50 adhesion pin mouth of antibiotic layer, pin mouth is torn when removing adhered layer 10 convenient for the later stage, prevents from causing secondary injury.
In the present embodiment, the thickness of the hemostatic layer 30 is 100um.The thickness of hemostatic layer 30 is unsuitable excessively thin, and otherwise shell gathers
The storage of glycan molecule amount is limited, and haemostatic effect is not prominent enough；The thickness of hemostatic layer 30 is also unsuitable blocked up simultaneously, otherwise can increase production
Cost.It is found by many experiments, when the thickness of hemostatic layer 30 is 100um, haemostatic effect is good, and cost-effective.
In the present embodiment, the thickness of the anti-inflammatory layer 40 is 80um.The thickness of anti-inflammatory layer 40 is unsuitable excessively thin, otherwise tea polyphenols
Molecular weight storage is limited, and anti-inflammatory effects are not prominent enough；The thickness of anti-inflammatory layer 40 is also unsuitable blocked up simultaneously, otherwise can increase and be produced into
This.It is found by many experiments, when the thickness of anti-inflammatory layer 40 is 80um, anti-inflammatory effects are good, and cost-effective.
In the present embodiment, the thickness of the antibiotic layer 50 is 200um.Nanometer silver antimicrobial spunlace non-woven cloth layer in antibiotic layer 50
Thickness it is unsuitable excessively thin, the nano silver release sterilization silver ion amount otherwise in nanometer silver antimicrobial spunlace non-woven cloth layer is limited, antibacterial
The effect of antivirus is limited；The thickness of nanometer silver antimicrobial spunlace non-woven cloth layer is also unsuitable blocked up simultaneously, otherwise can slow down tea polyphenols and
The transmission rates of chitosan are unfavorable for the anti-inflammation hemostasia of pin mouth.It is found by many experiments, when the thickness of antibiotic layer 50 is
During 200um, the effect of the anti-inflammatory of indwelling needle-like adhesive bandage with nm silver fabric layer of this antibacterial anti-inflammatory hemostasis, hemostasis and antibacterial is best.
With reference to shown in Fig. 2, the 60 surface open-work 61 of PE film layers that prevents adhesion is circular hole, a diameter of 1mm of the circular hole, phase
Centre distance between adjacent two open-works 61 is 2mm.It is demonstrated experimentally that a diameter of 1mm for the 60 surface open-work 61 of PE film layers that prevents adhesion, phase
When centre distance between adjacent two open-works 61 is 2mm, it can both reach preferable preventing adhesiving effect, while nano silver, tea polyphenols
It is high with the through-rate of chitosan molecule.
The above be the utility model preferred embodiment, but the utility model should not be limited to the embodiment and
Attached drawing disclosure of that so every do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model, all falls
Enter the scope of the utility model protection.
Claims (5)
1. a kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis, it is characterised in that including：
Adhered layer (10), the adhered layer (10) are medical polyurethane film, and adhered layer (10) center opens up fluted；
The substrate layer (20) being fixed in adhered layer (10) drop-center, the substrate layer (20) are medical non-woven fabrics；
The hemostatic layer (30) of substrate layer (20) upper surface is covered in, the hemostatic layer (30) coats for chitosan fiber layers or surface
The polyethylene film of chitosan coating or the non-woven fabrics containing haemostatic effect；
The anti-inflammatory layer (40) of hemostatic layer (30) upper surface is covered in, the anti-inflammatory layer (40) coats the poly- of tea polyphenols coating for surface
Vinyl film or non-woven fabrics；
The antibiotic layer (50) of anti-inflammatory layer (40) upper surface is covered in, the antibiotic layer (50) is nanometer silver antimicrobial spunlace non-woven cloth
Layer, the nanometer silver antimicrobial spunlace non-woven cloth layer contain nano silver particles；
Lid overlays on the PE film layers (60) that prevent adhesion of antibiotic layer (50) upper surface, and described PE film layers (60) surface that prevents adhesion offers more
A open-work (61) in matrix arrangement；And two retractable be symmetrically fixed on adhered layer (10) left and right ends and cover anti-sticking
The even off-style paper layer (70) on PE film layers (60) surface.
2. the indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis as described in claim 1, it is characterised in that：The hemostasis
The thickness of layer (30) is 50-1000um.
3. the indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis as described in claim 1, it is characterised in that：The anti-inflammatory
The thickness of layer (40) is 50-500um.
4. the indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis as described in claim 1, it is characterised in that：The antibacterial
The thickness of layer (50) is 50-1200um.
5. the indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis as described in claim 1, it is characterised in that：It is described anti-sticking
Even PE film layers (60) surface open-work (11) is square hole or circular hole, and the equivalent diameter of the square hole or circular hole is 0.5-2mm, adjacent two
Centre distance between open-work (11) is 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265137.9U CN207412433U (en) | 2017-03-18 | 2017-03-18 | A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265137.9U CN207412433U (en) | 2017-03-18 | 2017-03-18 | A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207412433U true CN207412433U (en) | 2018-05-29 |
Family
ID=62397429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720265137.9U Active CN207412433U (en) | 2017-03-18 | 2017-03-18 | A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207412433U (en) |
-
2017
- 2017-03-18 CN CN201720265137.9U patent/CN207412433U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1223381C (en) | Micro porous film containing flocking fibre | |
| EP3461466B1 (en) | Extensible dressings | |
| AU2004248898B2 (en) | Antimicrobial wounddressing | |
| AU759696B2 (en) | Medical article having fluid control film | |
| US8383527B2 (en) | Antimicrobial composite | |
| JP4860872B2 (en) | Foam / film composite medical article | |
| CN106572921A (en) | Two-stage wound dressing assembly | |
| CN106572922A (en) | Wound dressing assembly | |
| CN201930137U (en) | Medical dressing | |
| CN202458927U (en) | Nano-silver antimicrobial self-adhesive tape capable of powerfully sucking pus | |
| CN207412433U (en) | A kind of indwelling needle-like adhesive bandage with nm silver fabric layer of antibacterial anti-inflammatory hemostasis | |
| CN205924324U (en) | Physiology of female reproductive is with antibacterial antiviral sanitary towel | |
| CN205181863U (en) | Compound dressing of alginate non -woven fabrics | |
| CN202960933U (en) | Four-layer sandwich structure self-adhesion type long-lasting hydrating eye protection external application | |
| CN206630764U (en) | A kind of aseptic wound covering gauze of water suction | |
| CN215425511U (en) | Superficial infection wound dressing | |
| CN211705027U (en) | Chitosan dressing with super-strong absorbability | |
| CN208726040U (en) | A kind of dressing of observable wound healing situation | |
| CN209899770U (en) | Self-adhesive calcium alginate wound dressing | |
| CN209154004U (en) | A kind of ophthalmologic operation operation packet | |
| CN206508117U (en) | A kind of aquagel application | |
| CN215080603U (en) | Hydrocolloid dressing for reinforcing and pasting ostomy bag for enterostomy | |
| CN202605117U (en) | Medical self-sticking surgical dressing | |
| CN218420215U (en) | Composite wound dressing | |
| CN219375588U (en) | Traditional Chinese medicine protection pad on surface layer of isatis root fiber knitted fabric |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240718 Granted publication date: 20180529 |