CN106562851A - Medical hydrogel dressing with mesh structure - Google Patents

Medical hydrogel dressing with mesh structure Download PDF

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Publication number
CN106562851A
CN106562851A CN201610984988.9A CN201610984988A CN106562851A CN 106562851 A CN106562851 A CN 106562851A CN 201610984988 A CN201610984988 A CN 201610984988A CN 106562851 A CN106562851 A CN 106562851A
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CN
China
Prior art keywords
layer
hydrogel
mesh
dressing
dressings
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.)
Pending
Application number
CN201610984988.9A
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Chinese (zh)
Inventor
郑自树
郑睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WEIXIN INDUSTRIAL AND TRADE Co Ltd GUANGZHOU
Original Assignee
WEIXIN INDUSTRIAL AND TRADE Co Ltd GUANGZHOU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WEIXIN INDUSTRIAL AND TRADE Co Ltd GUANGZHOU filed Critical WEIXIN INDUSTRIAL AND TRADE Co Ltd GUANGZHOU
Priority to CN201610984988.9A priority Critical patent/CN106562851A/en
Publication of CN106562851A publication Critical patent/CN106562851A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/02Adhesive bandages or dressings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/425Porous materials, e.g. foams or sponges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01021Non-adhesive bandages or dressings characterised by the structure of the dressing
    • A61F13/01029Non-adhesive bandages or dressings characterised by the structure of the dressing made of multiple layers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01034Non-adhesive bandages or dressings characterised by a property
    • A61F13/01042Absorbency

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The invention discloses a medical hydrogel dressing with a mesh structure. The medical hydrogel dressing belongs to medical dressings and comprises a substrate layer and a hydrogel layer. The hydrogel layer is provided with a plurality of meshes. A back lining layer is adhered with the back surface of the hydrogel layer. An absorption layer is arranged between the back lining layer and the substrate layer. Through setting the hydrogel layer with the mesh structure, a wet wound environment can be kept in use of the dressing, and furthermore diffusate of the wound can be quickly absorbed by the absorption layer through meshes of the hydrogel layer, thereby effectively settling a problem of insufficient liquid absorption capability of the hydrogel. Furthermore the hydrogel layer and the absorption layer are integrated for forming the integral dressing. In clinic use, a secondary fixing dressing is not required for performing assistance, thereby effectively simplifying a use step. Furthermore the medical hydrogel dressing with the mesh structure according to the invention has advantages of simple structure, and high suitability for industrial production. Furthermore the medical hydrogel dressing can be machined to various different shapes according to the shape of the wound, thereby realizing wide application range.

Description

With mesh-structured medical hydrogel dressings
Technical field
The present invention relates to a kind of medical dressing, in particular, the invention mainly relates to a kind of with mesh-structured doctor Use aerogel dressing.
Background technology
Britain George doctors Winter have found the wound healing under closed moist environment in zoopery within 1962 Speed ratio is exposed to that to be air-dried wound surface fast again, so as to invent " moisture treatment ", has established using moist dressing process The theoretical basiss of wound surface.With the popularization of " moisture treatment ", from after 20 century 70s, high-tech medical dressing arises at the historic moment, In the world, medicine and hygiene fieldses obtain pay attention to day by day, and traditional dressing is more and more by new modern medical function dressing institute Replace.
Aerogel dressing is exactly wherein most one of representativeness, and medical hydrogel dressings have unique cross-linked three D reticular Moisture is effectively locked wherein by structure, swelling water-soluble high-molecular material, makes dressing have very high water content.Cover Micro- wet environment of wound surface, wound healing are Z can be continuously maintained on wound surface.Aerogel dressing has certain moisture absorbing simultaneously, The exudate of wound can be constantly absorbed, and with gentle cooling effect, the pain of wound surface can be mitigated, and due to hydrogel Translucent characteristic, facilitate look at the healing state of wound.Meanwhile, aerogel dressing has excellent biocompatibility, It is a kind of outstanding modern medical function dressing.But, although aerogel dressing has certain imbibition ability, but this imbibition The speed of ability is generally relatively slow, takes 12h and could realize to the longer time, it is impossible to which satisfaction is clinically oozed out in a large number for having The wound surface imbibition demand of thing, therefore, current most of aerogel dressings are only used for the few wound surface of sepage or the wound without sepage In the face stage, greatly limit Clinical practice scope, on the other hand, due to the water content of aerogel dressing it is larger, it is general during use Two grades of fixed pattern dressing are needed to assist to be fixed so that Clinical practice becomes loaded down with trivial details.
The content of the invention
An object of the present invention is for above-mentioned deficiency, there is provided a kind of to apply with mesh-structured medical aquogel Material, it is slow to expect to solve aerogel dressing rate of liquid aspiration in prior art, it is impossible to meet clinically for there is a large amount of exudates Wound surface imbibition demand, and need two grades of fixed pattern dressing auxiliary to fix, make Clinical practice become the technical problems such as complexity.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions:
It is provided by the present invention a kind of with mesh-structured medical hydrogel dressings, including substrate layer and hydrogel layer, it is described Hydrogel layer is provided with multiple mesh, is pasted with backing layer on the back side of the hydrogel layer, the backing layer and substrate layer it Between be additionally provided with absorbed layer.
Preferably, further technical scheme is:The material of the backing layer is non-woven fabrics or non-woven fabrics and macromolecule The complex of thin film.
Further technical scheme is:Antiseized protecting film is pasted with the front of the hydrogel layer also.
Further technical scheme is:It is coated between the absorbed layer and backing layer, and absorbed layer and substrate layer There is pressure sensitive adhesive.
Further technical scheme is:The material of the substrate layer be macromolecule membrane, non-woven fabrics and non-woven fabrics with Any one in the middle of the complex of macromolecule membrane.
Further technical scheme is:Face of the area of the antiseized protecting film and substrate layer more than or equal to absorbed layer Product.
Further technical scheme is:The area equation of the hydrogel layer, backing layer and absorbed layer.
Further technical scheme is:The absorbed layer is provided with watch window, and the substrate layer is transparent or half Transparence.
Further technical scheme is:Mesh on the hydrogel layer is in hydrogel preparation process, by liquid Hydrogel sol injects mesh mould, or is clipped in hydrogel sol using mesh lining material and is cross-linked to form together.
Further technical scheme is:Mesh on the hydrogel layer is together to be crosslinked to be in by hydrogel and backing layer The mode that machining is reused after solid sheet is formed.
Compared with prior art, one of beneficial effects of the present invention are:By the structure that hydrogel layer is set to mesh, Make dressing keep the moist environment of wound surface when in use, while and the transudate of wound can be made fast by the mesh of hydrogel layer Fast ground absorbed layer is absorbed, and efficiently solves the problems, such as that hydrogel imbibition ability is not enough, and hydrogel layer and absorbed layer etc. Each layer is integrated into the dressing of an entirety, is aided in without using two grades of fixed pattern dressing in Clinical practice, effectively letter Change and used step, at the same it is provided by the present invention a kind of with mesh-structured medical hydrogel dressings simple structure, it is suitable to Commercial production, and all kinds of different shapes can be processed into according to the shape of wound, range of application is wide.
Description of the drawings
Fig. 1 is the structural representation for illustrating one embodiment of the invention;
Fig. 2 is the structural representation for illustrating hydrogel layer in one embodiment of the invention
Fig. 3 is the structural representation for illustrating absorbed layer in one embodiment of the invention;
Fig. 4 is the structural representation for illustrating another embodiment of the present invention;
In figure, 1 is substrate layer, 2 is hydrogel layer, 3 is backing layer, 4 is absorbed layer, 5 is watch window, 6 is mesh, 7 is anti- Viscous protecting film.
Specific embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1, one embodiment of the present of invention be it is a kind of with mesh-structured medical hydrogel dressings, wherein Including substrate layer 1 and hydrogel layer 2, it is even more important that with reference to shown in Fig. 2, multiple mesh are provided with aforementioned hydrogel layer 2 6, additionally, also needing to attach on the back side of the hydrogel layer 2 to be provided with absorption between backing layer 3, also, the backing layer 3 and substrate layer 1 Layer 4, the purpose for arranging backing layer 3 are that to make hydrogel layer 2 combine closely with backing layer 3 in cross-linking process crosslinked together, with It is convenient fixed with absorbed layer 4.It is similar with prior art, aforesaid substrate layer 1 can using macromolecule membrane, non-woven fabrics and The materials processings such as non-woven fabrics and the complex of macromolecule membrane are made.
Based on above-described embodiment, for ease of preserving and using, can also also be pasted with the front of above-mentioned hydrogel layer 2 anti- Reverse Origuchi can be also set on viscous protecting film 7, and the antiseized protecting film 7, be conveniently opened;In addition, backing layer 3 need to consider liquid Infiltration function, thus the structure using mesh is also required to, inventor thinks its preferred material for non-woven fabrics or non-woven fabrics and height The complex of molecular film.
In the present embodiment, when dressing is used, hydrogel layer 2 is directly contacted with wound surface, and is passed through hydrogel layer 2 The structure of mesh 6 is set to, makes dressing keep the moist environment of wound surface when in use, while and lead to can the transudate of wound Promptly absorbed layer 4 is absorbed to cross the mesh 6 of hydrogel layer 2, efficiently solves the problems, such as that hydrogel imbibition ability is not enough, and And each layer such as hydrogel layer 2 and absorbed layer 4 is integrated into the dressing of an entirety, without using two grades of fixations in Clinical practice Type dressing is aided in, and is effectively simplified and is used step, is conducive to lifting wrapping efficiency, dressing also shape of the cocoa according to wound It is processed into all kinds of different shapes, it is adaptable to different wound surfaces.
As mentioned here above, for ease of hydrogel layer 2 and substrate layer 1 etc. are combined as an overall dressing, can be Above-mentioned absorbed layer 4 with pressure sensitive adhesive is coated between backing layer 3, and absorbed layer 4 and substrate layer 1, that is, form it into holistic Dressing.
As hydrogel itself can also make it have certain viscosity by preparing, therefore it is easy to described in above-described embodiment The dressing of structure is applicable to different wounds, and the area by antiseized protecting film 7 with substrate layer 1 that can be as shown in Figure 1 is set to More than the area of absorbed layer 4, the area by antiseized protecting film 7 with substrate layer 1 that also can be as shown in Figure 4 is equal to absorbed layer 4 area;But, be to ensure that the structure of each layer of dressing is neat, be easy to use, preferably by above-mentioned hydrogel layer 2, backing layer 3 with And the area of absorbed layer 4 be set to it is equal.
With reference to shown in Fig. 1 and Fig. 3, in the present invention for solving in the more preferred one embodiment of technical problem, invent People considers that hydrogel is translucent form, thus in order to the healing state of wound surface is observed through hydrogel, based on upper The structure of dressing in embodiment is stated, watch window 5 is provided with absorbed layer 4, while to coordinate the watch window 5, the observation Window 5 can open up appropriate size formation one in the optional position on absorbed layer 4 and eat dishes without rice or wine as aforesaid watch window 5;According to Aforesaid mentality of designing, above-mentioned substrate layer 1 also will be using transparent or semitransparent material, such as macromolecule membranes mentioned above etc. Material.
Can be in hydrogel preparation process, by liquid with regard to the mesh 6 on the hydrogel layer 2 mentioned in the above embodiments Hydrogel sol injection 6 mould of mesh in cross moulding, or in common die add mesh lining material, by liquid hydrogel In colloidal sol injection common die, mesh lining material is clipped in by hydrogel sol and is wherein cross-linked to form above-mentioned 6 structure of mesh;Also may be used Mesh 6 is formed on hydrogel layer 2 using another way, will be after hydrogel and backing layer 3 be together crosslinked in solid sheet The mode for reusing machining is formed;Also can according to the actual requirements, using other sides that mesh can be formed on hydrogel layer 2 Method.
The above-mentioned preferred one embodiment of the present invention in actual use, directly by hydrogel layer 2 positive antiseized protection Film 7 tear after docile in wound surface, wound surface can be completely covered with hydrogel layer 2 and be advisable, absorbed layer 4 is by hydrogel layer 2 The liquid absorption that wound is oozed out of mesh and backing layer 3, so as to accelerate the healing of wound, and can be by absorbed layer 4 Watch window 5 observes the healing state of wound, in good time more change dressings, lifts the efficiency of wrapping nursing.
Than that described above, in addition it is also necessary to which explanation is " one embodiment ", " another enforcement spoken of in this manual Example ", " embodiment " etc., refer to the specific features with reference to the embodiment description, structure or feature and are included in the application summary Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race occur in multiple places in the description Apply example.Furthermore, it is understood that when describing specific features, structure or a feature with reference to any embodiment, to be advocated is knot Close other embodiment also to fall within the scope of the present invention realizing this feature, structure or feature.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen Please be within disclosed spirit and spirit.More specifically, in the range of disclosure, drawings and claims, can Various modifications and improvement are carried out with the building block and/or layout to theme composite configuration.Except to building block and/or layout The modification and improvement for carrying out is outer, and to those skilled in the art, other purposes also will be apparent.

Claims (10)

1. a kind of with mesh-structured medical hydrogel dressings, including substrate layer(1)With hydrogel layer(2), it is characterised in that: The hydrogel layer(2)It is provided with multiple mesh(6), the hydrogel layer(2)The back side on be pasted with backing layer(3), it is described Backing layer(3)With substrate layer(1)Between be additionally provided with absorbed layer(4).
2. according to claim 1 with mesh-structured medical hydrogel dressings, it is characterised in that:The backing layer (3)Material be non-woven fabrics or non-woven fabrics and macromolecule membrane complex.
3. according to claim 1 and 2 with mesh-structured medical hydrogel dressings, it is characterised in that:The water-setting Glue-line(2)Front on be also pasted with antiseized protecting film(7).
4. according to claim 1 and 2 with mesh-structured medical hydrogel dressings, it is characterised in that:The absorption Layer(4)With backing layer(3), and absorbed layer(4)With substrate layer(1)Between be coated with pressure sensitive adhesive.
5. according to claim 1 and 2 with mesh-structured medical hydrogel dressings, it is characterised in that:The base material Layer(1)Material be any one in the middle of the complex of macromolecule membrane, non-woven fabrics and non-woven fabrics and macromolecule membrane.
6. according to claim 3 with mesh-structured medical hydrogel dressings, it is characterised in that:The antiseized protection Film(7)With substrate layer(1)Area be more than or equal to absorbed layer(4)Area.
7. according to claim 6 with mesh-structured medical hydrogel dressings, it is characterised in that:The hydrogel layer (2), backing layer(3)And absorbed layer(4)Area equation.
8. according to claim 1 and 2 with mesh-structured medical hydrogel dressings, it is characterised in that:The absorption Layer(4)It is provided with watch window(5), and the substrate layer(1)It is transparent or translucent.
9. according to claim 1 with mesh-structured medical hydrogel dressings, it is characterised in that:The hydrogel layer (2)On mesh(6)It is, in hydrogel preparation process, liquid hydrogel sol to be injected into mesh(6)Mould, or use net Hole lining material is cross-linked to form in being clipped in hydrogel sol together.
10. according to claim 1 with mesh-structured medical hydrogel dressings, it is characterised in that:The hydrogel Layer(2)On mesh(6)It is by hydrogel and backing layer(3)The mode of machining is reused after together crosslinking is in solid sheet Formed.
CN201610984988.9A 2016-11-09 2016-11-09 Medical hydrogel dressing with mesh structure Pending CN106562851A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107822774A (en) * 2017-12-04 2018-03-23 广东泰宝医疗科技股份有限公司 A kind of compound skin repair functional dressings
CN107981980A (en) * 2017-12-25 2018-05-04 武汉明康医疗器械有限公司 One kind changes convenient neonate with permanent magnetism navel protective cord
CN109674581A (en) * 2018-09-15 2019-04-26 深圳市浓华生物电子科技有限公司 A kind of transparent flexible moisture film is cured the wound patch and preparation method
CN111166563A (en) * 2020-02-24 2020-05-19 上海白衣缘生物工程有限公司 Medical isolation pad for preventing skin indentation pressure sores
KR20210051494A (en) * 2019-10-30 2021-05-10 (주) 화인테크놀리지 Medical adhesive sheet having excellent waterproofness and breathability, and manufacturing method thereof

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WO1999067456A1 (en) * 1998-06-23 1999-12-29 Acordis Speciality Fibres Limited Nonwoven fabrics and their manufacture and use
CN2383500Y (en) * 1999-08-13 2000-06-21 中国原子能科学研究院 Hydrogel composite wound dressing
CN1756519A (en) * 2002-12-31 2006-04-05 奥苏尔公司 Wound dressing
WO2011095387A1 (en) * 2010-02-03 2011-08-11 Nolax Ag Wound closure material
CN202960926U (en) * 2012-12-18 2013-06-05 长春吉原生物科技有限公司 Self-adhesion type wound bandage having controlled moisture release function
CN105662715A (en) * 2016-04-07 2016-06-15 深圳普门科技有限公司 Hydrogel foam dressing and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999067456A1 (en) * 1998-06-23 1999-12-29 Acordis Speciality Fibres Limited Nonwoven fabrics and their manufacture and use
CN2383500Y (en) * 1999-08-13 2000-06-21 中国原子能科学研究院 Hydrogel composite wound dressing
CN1756519A (en) * 2002-12-31 2006-04-05 奥苏尔公司 Wound dressing
WO2011095387A1 (en) * 2010-02-03 2011-08-11 Nolax Ag Wound closure material
CN202960926U (en) * 2012-12-18 2013-06-05 长春吉原生物科技有限公司 Self-adhesion type wound bandage having controlled moisture release function
CN105662715A (en) * 2016-04-07 2016-06-15 深圳普门科技有限公司 Hydrogel foam dressing and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107822774A (en) * 2017-12-04 2018-03-23 广东泰宝医疗科技股份有限公司 A kind of compound skin repair functional dressings
CN107981980A (en) * 2017-12-25 2018-05-04 武汉明康医疗器械有限公司 One kind changes convenient neonate with permanent magnetism navel protective cord
CN109674581A (en) * 2018-09-15 2019-04-26 深圳市浓华生物电子科技有限公司 A kind of transparent flexible moisture film is cured the wound patch and preparation method
CN109674581B (en) * 2018-09-15 2022-06-17 浙江维力华生物科技有限公司 Transparent flexible water film wound treatment plaster and preparation method thereof
KR20210051494A (en) * 2019-10-30 2021-05-10 (주) 화인테크놀리지 Medical adhesive sheet having excellent waterproofness and breathability, and manufacturing method thereof
KR102263631B1 (en) * 2019-10-30 2021-06-10 (주)화인테크놀리지 Manufacturing method of medical adhesive sheet excellent in waterproof and breathable properties, and medical adhesive sheet manufactured by this method
CN111166563A (en) * 2020-02-24 2020-05-19 上海白衣缘生物工程有限公司 Medical isolation pad for preventing skin indentation pressure sores

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Application publication date: 20170419