CN205287034U - Functional medical dressing - Google Patents
Functional medical dressing Download PDFInfo
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- CN205287034U CN205287034U CN201520940477.8U CN201520940477U CN205287034U CN 205287034 U CN205287034 U CN 205287034U CN 201520940477 U CN201520940477 U CN 201520940477U CN 205287034 U CN205287034 U CN 205287034U
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Abstract
The utility model discloses a functional medical dressing. The utility model discloses a functional medical dressing adopts the form of hierarchial design, and the upper strata be functional fibrous layer, and the intermediate level is the super fibrous layer that absorbs water, and the bottom is the polyester fiber layer. The utility model discloses a medical dressing has high oxygen nature, the good biocompatibility of passing through, has efficiency antibiotic, that stanch, promote wound healing, the multiplying power that absorbs water is great, effectively absorption liquid, have higher intensity and elastic restitution ability, and be not afraid of the mould.
Description
Technical field
This utility model relates to medical material tech field, particularly relates to a kind of functional medical dressing.
Background technology
Superabsorbent fiber (SuperAbsorbentFiber, SAF) being a kind of Multifunction macromolecular material, it can absorb the water of sole mass hundreds to thousands times, and water retention property is excellent, once imbibition becomes hydrogel, even if pressurization is also difficult to separate water into out. At present, superabsorbent fiber is used widely in the fields such as industry, agricultural, forestry, hygienic article, and demonstrates more vast potential for future development.
At industrial circle, the superabsorbent fiber flood control cloth that superabsorbent fiber makes, being positioned over the cracking position of basement, tunnel etc., when meeting water, moment imbibition is got up by superabsorbent fiber flood control cloth, plays leak stopping effect.
At food packaging applications, the packaging material that superabsorbent fiber superabsorbent fiber makes have well elastic and a water absorption, and natural environmental-protective is pollution-free, less costly.
In field of medical products, along with deepening constantly of medical market and reform of hospital management system, a large amount of private hospitals and foreign capital demand pour in, and the competition of medical market is also into fieriness. The prescription of care and care product will be more and more higher. Superabsorbent fiber is in the utilization of medical field, to controlling the fluid that wound produces, absorbs pus and blood, provide moisture to dry wound from moist wound, accelerate wound healing etc. and play remarkable effect. The gel produced after its super water-absorbent and water suction, it is possible to keep the moistening, not easily viscous with wound glutinous when changing of wound.
Alginic acid fibre also receives much concern in the utilization of medical field, has the performances such as moisture absorption, dewing, hemostasis, antibacterial, pro-skin with alginic acid for medical dressing prepared by raw material. While effective nuring wound, nursing cost can be saved, improve nursing quality.
But, current medical dressing constructs and function singleness, and this area needs the medical dressing of compound structure and complex function.
Utility model content
This utility model provides a kind of functional medical dressing, has antibacterial, pro-skin, moisture absorption effect and superabsorbent water effect, provides the healing environment of a kind of antibacterial, high humidity to wound.
This utility model is achieved through the following technical solutions:
A kind of functional medical dressing, is divided into upper strata, intermediate layer and bottom three layers altogether, and above-mentioned upper strata is functional fiber layer, and above-mentioned intermediate layer is superabsorbent fiber layer, and above-mentioned bottom is polyester fiber layer.
As preferred version of the present utility model, above-mentioned functions fibrous layer is the composite bed of alginic acid fibre layer or chitosan fiber layers or alginic acid fibre layer and chitosan fiber layers. It is further preferred that the length of alginic acid fibre is 10mm-80mm in above-mentioned alginic acid fibre layer, fiber number is 1.5D-2D. It is further preferred that the length of chitin fiber is 30mm-60mm in above-mentioned chitosan fiber layers, fiber number is 1.5D-2.0D.
As preferred version of the present utility model, above-mentioned functions fibrous layer is the composite bed of alginic acid fibre layer and chitosan fiber layers. It is further preferred that the length of alginic acid fibre is 10mm-80mm in above-mentioned alginic acid fibre layer, fiber number is 1.5D-2D. It is further preferred that the length of chitin fiber is 30mm-60mm in above-mentioned chitosan fiber layers, fiber number is 1.5D-2.0D.
As preferred version of the present utility model, in above-mentioned superabsorbent fiber layer, the length of superabsorbent fiber is 10mm-80mm, and fiber number is 4D-7D.
The beneficial effects of the utility model are: the upper strata of medical dressing of the present utility model is functional fiber layer, intermediate layer is superabsorbent fiber layer, and bottom is polyester fiber layer, has antibacterial, pro-skin, moisture absorption effect, and superabsorbent water effect, the healing environment of a kind of antibacterial, high humidity is provided to wound. The functional fiber layer on upper strata has high oxygen permeability, good biocompatibility, has effect antibacterial, the wound healing that stops blooding, promotes; The superabsorbent fiber layer water absorbent rate in intermediate layer is relatively big, can effectively absorb liquid; The polyester fiber layer of bottom has higher intensity and elastic recovery capability, and is not afraid of mycete.
Accompanying drawing explanation
Fig. 1 is the process chart of the layering acupuncture medical dressing in a kind of embodiment of this utility model.
Fig. 2 is the finished product schematic diagram of the medical dressing after the layering acupuncture in a kind of embodiment of this utility model, and wherein 1 represents functional fiber layer, 2 expression superabsorbent fiber layers, 3 expression polyester fiber layers.
Detailed description of the invention
This utility model is described in further detail in conjunction with accompanying drawing below by detailed description of the invention.
The functional medical dressing that this utility model provides, with alginic acid fibre or/and the layering of the functional fiber layers such as chitin fiber, superabsorbent fiber layer, polyester fiber layer is made.
Superabsorbent fiber, is that a kind of liquid absorption is big, rate of liquid aspiration tencel quickly. Can absorb water, the liquid such as urine, body fluid and blood. It absorbs liquid and is different from the physical absorption of general fibre, but after absorbing liquid by chemical absorbing principle, self produces to expand, and be sealed in fiber by liquid, and be difficult to squeeze out, and therefore liquid-keeping property is strong. The rate of liquid aspiration of superabsorbent fiber is 8-10 times of high water suction powder (SAP), and liquid absorption arbitrarily can regulate and control in 30-200G liquid/G fiberoptic scope.
Alginic acid fibre, is with alginic acid for raw material, is prepared by wet spinning, it is possible to be applied to the fields such as weaving, clothing, health care, be a kind of functional fibre material with significantly high added value. Alginic acid is also known as alginic acid, seaweed gel or Algin, it it is a kind of natural macromolecular material extracted from Brown algae plant, it it is a kind of fully natural green material nontoxic, harmless, biodegradable, there is many excellent performances, be one of macromolecular material of employing up in our daily life. As far back as on January 12nd, 1881, in the British patent that Britain chemist ECCStanford delivers, describe a kind of spawn extracted from Brown algae seaweed plants narrow leaf Thallus Laminariae (Thallus Eckloniae) (LaminariaStenophylla) first, he is the material called after Algin extracted with dilute alkaline soln, the gel generated after acid adding is Alginicacid, i.e. alginic acid.Research subsequently proves, alginic acid is a kind of natural polymer copolymer being made up of two kinds of monomers.
Chitin fiber, it is with chitosan (chitosan) for primary raw material, is dissolved in suitable solvent, be configured to certain density colloid spinning solution, then through the techniques such as spray webbing, solidification forming, stretching, the high molecular functional material with certain mechanical strength of preparation. Chitosan, also known as chitosan, is that the chitin (chitin) being widely present by nature obtains through deacetylation, and chemical name is Chitosan (1-4)-2-amino-B-D glucose. From 1859, after first Frenchman Rouget obtains chitosan, the premium properties such as the biological functionality of this natural polymer and the compatibility, blood compatibility, safety, microbic resolvability are by all trades and professions extensive concern, and the applied research at numerous areas such as medicine, food, chemical industry, cosmetics, water process, METAL EXTRACTION and recovery, biochemistry and biomedical engineerings achieves major progress. For patient, chitosan blood fat reducing, the existing research report of hypoglycemic effect. Meanwhile, chitosan is taken as thickening agent, fruit glaze agent is listed state food additive in and used in standard GB-2760.
Alginic acid fibre layer in this utility model, or/and chitosan fiber layers is combined with superabsorbent fiber layer, can play the effect of hemostasis, moisture absorption, also has natural antibacterial effect. Especially the utilization of superabsorbent fiber layer, it has effect of superabsorbent, it is possible to absorbs substantial amounts of liquid, pus and blood by less amount, and plays the effect of hemostasis and wet wound.
Medical dressing of the present utility model is prepared in a layered fashion, and wherein alginic acid fibre layer is or/and the functional fiber layer that chitosan fiber layers is formed can as upper strata, and superabsorbent fiber layer can as intermediate layer, and polyester fiber layer can as bottom. In use, the upper strata of functional fiber is pressed close to wound etc. and needs the position of cladding, alginic acid fibre, chitin fiber and Wound contact provide the effects such as antibacterial, moisture absorption, and superabsorbent fiber provides water suction effect, thus provide the healing environment of a kind of antibacterial, high humidity to wound.
In this utility model, as required, it is possible to adopt the one in alginic acid fibre layer or chitosan fiber layers as functional fiber layer, it is also possible to combine the composite bed adopting alginic acid fibre layer with chitosan fiber layers.
In this utility model, the length of alginic acid fibre, chitin fiber and superabsorbent fiber and fiber number can be not specially limited. But, in order to ensure better weave effect, and medical functions is more excellent, the length of the preferred alginic acid fibre of this utility model is 10mm-80mm, such as 12mm, 15mm, 20mm, 40mm, 60mm, 65mm, 70mm, 75mm or 78mm, fiber number is 1.5D-2D, for instance 1.6D, 1.7D, 1.8D or 1.9D; The length of chitin fiber is 30mm-60mm, 32mm, 36mm, 40mm, 50mm, 55mm or 58mm, and fiber number is 1.5D-2.0D, for instance 1.6D, 1.7D, 1.8D or 1.9D. Preferably, the length of superabsorbent fiber is 10mm-80mm, such as 12mm, 15mm, 20mm, 40mm, 60mm, 65mm, 70mm, 75mm or 78mm, fiber number is 4D-7D, for instance 4.3D, 4.5D, 4.8D, 5D, 5.5D, 5.8D, 6.2D, 6.6D or 6.9D.
In this utility model, being used for representing the concept of fiber number (D), also known as " denier " or (danier: denier), refer under official regain, 9000 meters of yarns or fiber are had ponderable grams.Such as, when fibre weight 9000 meters long is one gram, it is called 1D. If the fiber weight that such as length is 9000 meters is 1680 grams, its fiber number 1680D represents. It is direct system unit equally, and when proportion one timing, the more big yarn of grammes per square metre (numeral) or fiber are more thick; Otherwise the less fiber of grammes per square metre (numeral) is thinner. G represents weight (gram), and L represents length (rice), then the computing formula of D number is: D=G/L*9000.
Medical dressing of the present utility model can be prepared as follows: after each shredding of functional fiber, superabsorbent fiber and polyster fibre and combing, it is overlapped lapping as intermediate layer, polyster fibre as the mode of bottom as upper strata, superabsorbent fiber according to functional fiber, forms the medical dressing that three layers is stacked.
In order to form the finished product that can directly use further, said method can also include: after lapping, carries out acupuncture, and winding is cut.
Fig. 1 illustrates the process chart of the layering acupuncture medical dressing in a kind of embodiment of this utility model. The medical dressing that the present embodiment provides does not add antibacterial, binding agent etc., will not patient or environment be impacted. In order to ensure better weave effect, the length of the preferred alginic acid fibre of the present embodiment is 10mm-80mm, and fiber number is 1.5D-2D; The length of chitin fiber is 30mm-60mm, and fiber number is 1.5D-2.0D; The length of superabsorbent fiber is 10mm-80mm, and fiber number is 4D-7D.
Refer to Fig. 1, respectively functional fiber, superabsorbent fiber, polyster fibre are put into opener and carry out shredding, make the fiber of bonding become fluffy softness; Then combing is carried out respectively through carding machine; Again three kinds of fibers after shredding are overlapped lapping, finally carry out acupuncture, winding, cut, obtain finished product.
Specifically, above-mentioned preparation method comprises the following steps:
Shredding: respectively functional fiber, superabsorbent fiber, polyster fibre are loosened, remove impurity, shredding;
Combing: the fibrous raw material after shredding is carried out respectively combing;
Lapping: the polyster fibre after shredding is placed in lowermost layer, intermediate layer is superabsorbent fiber, is topmost functional fiber (as shown in Figure 2);
Acupuncture: lapping is carried out acupuncture, by thorn in advance, agnail, main thorn, makes to be tangled by the effect of acupuncture, reinforced into cloth between fiber;
Winding: medical dressing good for acupuncture, at the back segment of needing machine, is carried out rolling by up-coiler;
Cut: according to actual needs the medical dressing of rolling is cut.
The present embodiment creatively by alginic acid fibre or/and chitin fiber, superabsorbent fiber, polyster fibre carry out layering lapping, after acupuncture, functional fiber layer 1 is placed in topmost one layer, and intermediate layer is superabsorbent fiber layer 2, and the bottom is polyester fiber layer 3. Having the beneficial effects that of the present embodiment, concentrates quality raw materials, it is achieved best medical effect. Alginic acid fibre or chitin fiber are placed in the top layer pressing close to human body skin most, especially the calcium ion in alginic acid exchanges with the sodium ion in wound fluid, network gel one layer stable is formed in wound surface, contribute to the solidification of blood, and its antibacterial effect can play maximum effect. The superabsorbent outlet capacity of superabsorbent fiber, it is possible to absorb substantial amounts of liquid, pus and blood.
The medical dressing that the present embodiment provides, there is the effect of hemostasis, antibacterial, superabsorbent, and substantial amounts of pus and blood can be absorbed and on wound surface, form a moistening microenvironment, promote the healing increasing breeding and wound of cell, human body is not stimulated, without anaphylaxis. Especially the utilization of superabsorbent fiber, its superabsorbent outlet capacity, provide a good healing environment for wound surface, it is to avoid patient wound's infection, inflammation.
Above content is in conjunction with specific embodiment further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, protection domain of the present utility model all should be considered as belonging to.
Claims (8)
1. a functional medical dressing, it is characterised in that described medical dressing is divided into upper strata, intermediate layer and bottom three layers altogether, and described upper strata is functional fiber layer, and described intermediate layer is superabsorbent fiber layer, and described bottom is polyester fiber layer.
2. medical dressing according to claim 1, it is characterised in that described functional fiber layer is the composite bed of alginic acid fibre layer or chitosan fiber layers or alginic acid fibre layer and chitosan fiber layers.
3. medical dressing according to claim 2, it is characterised in that in described alginic acid fibre layer, the length of alginic acid fibre is 10mm-80mm, fiber number is 1.5D-2D.
4. medical dressing according to claim 2, it is characterised in that in described chitosan fiber layers, the length of chitin fiber is 30mm-60mm, fiber number is 1.5D-2.0D.
5. medical dressing according to claim 1, it is characterised in that described functional fiber layer is the composite bed of alginic acid fibre layer and chitosan fiber layers.
6. medical dressing according to claim 5, it is characterised in that in described alginic acid fibre layer, the length of alginic acid fibre is 10mm-80mm, fiber number is 1.5D-2D.
7. medical dressing according to claim 5, it is characterised in that in described chitosan fiber layers, the length of chitin fiber is 30mm-60mm, fiber number is 1.5D-2.0D.
8. medical dressing according to claim 1, it is characterised in that in described superabsorbent fiber layer, the length of superabsorbent fiber is 10mm-80mm, fiber number is 4D-7D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940477.8U CN205287034U (en) | 2015-11-23 | 2015-11-23 | Functional medical dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940477.8U CN205287034U (en) | 2015-11-23 | 2015-11-23 | Functional medical dressing |
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| CN205287034U true CN205287034U (en) | 2016-06-08 |
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| CN201520940477.8U Active CN205287034U (en) | 2015-11-23 | 2015-11-23 | Functional medical dressing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498842A (en) * | 2018-05-15 | 2018-09-07 | 东莞市联洲知识产权运营管理有限公司 | A kind of medical dressing and preparation method thereof for external Wound care |
| CN114045587A (en) * | 2021-11-10 | 2022-02-15 | 武汉纺织大学 | Composite yarn hemostatic material based on hydrophilic modified chitosan |
-
2015
- 2015-11-23 CN CN201520940477.8U patent/CN205287034U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498842A (en) * | 2018-05-15 | 2018-09-07 | 东莞市联洲知识产权运营管理有限公司 | A kind of medical dressing and preparation method thereof for external Wound care |
| CN108498842B (en) * | 2018-05-15 | 2021-01-05 | 唐山市博世德医疗器械有限公司 | Medical dressing for in vitro wound care and preparation method thereof |
| CN114045587A (en) * | 2021-11-10 | 2022-02-15 | 武汉纺织大学 | Composite yarn hemostatic material based on hydrophilic modified chitosan |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 18 No. 443200 Zhijiang city of Hubei province Majiadian seven Avenue Patentee after: ALLMED MEDICAL PRODUCTS Co.,Ltd. Address before: 443200 Zhijiang City, Hubei Province MA Zhen Park Road No. 180 Patentee before: Allmed Medical Products Co.,Ltd. |