CN214759309U - Medical fabric - Google Patents
Medical fabric Download PDFInfo
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- CN214759309U CN214759309U CN202022544708.7U CN202022544708U CN214759309U CN 214759309 U CN214759309 U CN 214759309U CN 202022544708 U CN202022544708 U CN 202022544708U CN 214759309 U CN214759309 U CN 214759309U
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- woven fabric
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- hydrophobic layer
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a medical fabric, which comprises a non-woven fabric base layer and a hydrophobic layer covering the surface of the non-woven fabric base layer, wherein the outer surface of the hydrophobic layer is provided with a plurality of bulges, the outer diameter of each bulge is 0.2-4 micrometers, the distance between every two adjacent bulges is 0.01-20 micrometers, and the bulges jointly act to ensure that the outer surface of the hydrophobic layer is a hydrophobic surface on which water can maintain the shape of a water drop; cut this medical surface fabric into the protective clothing, medical personnel dress the protective clothing when carrying out work on one's body, and the protective clothing can be so just avoided bringing the fungus liquid to adhere to on the protective clothing surface and contact with medical personnel because the surface is hydrophobic face, can make liquid maintain the water droplet shape and the landing on its surface to realize protecting medical personnel.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a medical surface fabric.
Background
The medical protective clothing can prevent medical care personnel from contacting blood, body fluid, secretion and the like of a patient or bacteria-carrying particles in the air, and has a protective effect between the medical care personnel and the patient; the existing fabric cut into the medical protective clothing is of a two-layer structure: the tectorial membrane layer, the inlayer of outer layer for isolated liquid and particulate matter are the non-woven fabrics basic unit, and the tectorial membrane layer often adopts polyethylene ventilated membrane or polyurethane film, and its hydrophobic properties is poor, and patient's body fluid can be attached to its surface, has medical personnel because of the risk of contact body fluid and infecting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the traditional medical fabric has the problem of poor hydrophobic property, and the body fluid of a patient is attached to the surface of the protective clothing due to the poor hydrophobic property when the traditional medical fabric is cut into the medical protective clothing, so that medical personnel can infect germs due to the contact of the body fluid; aiming at the problems, the medical fabric with high air permeability and good hydrophobic property is provided.
In order to realize the aim, the utility model provides a medical fabric, it includes non-woven fabric basic unit and cover in the hydrophobic layer of non-woven fabric basic unit's surface, the surface of hydrophobic layer is equipped with a plurality of archs, bellied external diameter is 0.2 micron-4 microns, adjacent two distance between the arch is 0.01 micron-20 microns.
Preferably, at least two kinds of the projections having different sizes are included.
Preferably, the material of the hydrophobic layer comprises at least one of polyvinylidene fluoride fiber, polystyrene fiber, polysulfone nanofiber and polyvinyl chloride fiber.
Preferably, the moisture permeability of the medical fabric is more than or equal to 2500 g/(m)2*d)。
Preferably, the total thickness of the non-woven fabric base layer and the hydrophobic layer is 0.06mm-0.095 mm.
Preferably, the hydrophobic layer is formed by an electrospinning method.
Preferably, the material of the non-woven fabric substrate comprises at least one of polyester fiber, polypropylene fiber, viscose fiber, polyamide fiber and cotton fiber.
Preferably, the non-woven fabric base layer is a spun-bonded non-woven fabric, a spunlace non-woven fabric or an SMS non-woven fabric.
The utility model discloses a medical surface fabric, compared with the prior art, its beneficial effect lies in:
the utility model discloses a medical surface fabric includes non-woven fabrics basic unit and hydrophobic layer, non-woven fabrics basic unit and hydrophobic layer all have good gas permeability, and the surface of hydrophobic layer is equipped with a plurality of archs, and bellied external diameter is 0.2 micron-4 microns, and the distance between two adjacent archs is 0.01 micron-20 microns, and a plurality of archs coaction makes the surface of hydrophobic layer be a hydrophobic surface, and water can maintain the water droplet shape on hydrophobic surface; cut this medical surface fabric into the protective clothing, medical personnel dress the protective clothing when carrying out work on one's body, and the protective clothing can be so just avoided taking the fungus liquid to adhere to on the protective clothing surface and contact with medical personnel because the surface is hydrophobic face for liquid maintains the water droplet shape and landing on its surface, thereby realizes that the protection medical personnel do not receive the fungus liquid and infect.
Drawings
Fig. 1 is a schematic structural view of a medical fabric according to an embodiment of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
in the figure, 1, a non-woven fabric substrate; 2. a hydrophobic layer; 21. a protrusion; b. distance.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "first", "second", and the like are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1-2, the medical fabric of the embodiment of the present invention includes a non-woven fabric base layer 1 and a hydrophobic layer 2 covering on the surface of the non-woven fabric base layer 1, the outer surface of the hydrophobic layer 2 is provided with a plurality of protrusions 21, the outer diameter of the protrusions 21 is 0.2 micrometer to 4 micrometers (shown in fig. 2A), and the distance between two adjacent protrusions 21 is 0.01 micrometer to 20 micrometers.
Based on the technical scheme, the utility model discloses a medical surface fabric includes non-woven fabrics basic unit 1 and hydrophobic layer 2, and non-woven fabrics basic unit 1 and hydrophobic layer 2 all have good gas permeability, and the surface of hydrophobic layer 2 is equipped with a plurality of archs 21, and the external diameter of arch 21 is 0.2 micron-4 microns, and the distance between two adjacent archs 21 is 0.01 micron-20 microns, and a plurality of archs 21 combined action for the surface of hydrophobic layer 2 is a hydrophobic surface, and water can maintain the water droplet shape on hydrophobic surface; cut this medical surface fabric into the protective clothing, medical personnel dress the protective clothing when carrying out work on one's body, and the protective clothing can be so just avoided taking the fungus liquid to adhere to on the protective clothing surface and contact with medical personnel because the surface is hydrophobic face for liquid maintains the water droplet shape and landing on its surface, thereby realizes that the protection medical personnel do not receive the fungus liquid and infect.
To our knowledge, when a liquid drop forms a contact angle of more than 150 ° on a solid surface, such a solid surface is called a superhydrophobic surface, and water on the superhydrophobic surface maintains its drop shape; the embodiment comprises at least two kinds of projections 21 with different sizes, and the projections 21 with different sizes can jointly act to form a super-hydrophobic surface on the surface of the hydrophobic layer 2; cut into the protective clothing with this medical surface fabric, medical personnel dress the protective clothing and carry out work on one's body, when the hydrophobic layer 2 on protective clothing surface is dripped to the liquid droplet, the liquid droplet can maintain its water droplet shape, and rolls along vertical downwards emergence for the protective clothing, breaks away from the protective clothing surface.
In this embodiment, the hydrophobic layer 2 is made of at least one of polyvinylidene fluoride fiber, polystyrene fiber, polysulfone nanofiber and polyvinyl chloride fiber, and is formed by spinning on the non-woven fabric substrate 1 by an electrostatic spinning method, and the process parameters are adjusted: the solution concentration, the applied voltage, the spinning distance and the solvent type, a hydrophobic layer 2 is obtained, wherein the protrusions 21 are formed by spinning coarse fibers.
Furthermore, the moisture permeability of the medical fabric is more than or equal to 2500 g/(m)2D), air and moisture can be permeated, so that the medical care personnel can keep comfortable when wearing the protective clothing; in the embodiment, the sum of the thicknesses of the non-woven fabric substrate 1 and the hydrophobic layer 2 is preferably 0.06mm-0.095mm, namely the thickness of the medical fabric is 0.06mm-0.095mm, and the medical fabric with the thickness is cut into the protective clothing which is the softest and comfortable to wear on the body.
Further, the non-woven fabric base layer 1 is a spun-bonded non-woven fabric, a spunlaced non-woven fabric or an SMS non-woven fabric (English: Spunbond + Meltbwn + Spunbonded wovens, which is a composite product of spun-bonded fabric and melt-blown fabric) which is made of at least one of polyester fiber, polypropylene fiber, viscose fiber, polyamide fiber and cotton fiber by processing, for example, the non-woven fabric is made of the cotton fiber by a spunlace method, and has the characteristics of skin friendliness, softness and sweat absorption, and the comfort of medical personnel during wearing can be improved.
The utility model discloses an action principle does:
the medical fabric comprises a non-woven fabric base layer 1 and a hydrophobic layer 2, wherein a plurality of protrusions 21 are arranged on the outer surface of the hydrophobic layer 2, the outer diameter of each protrusion 21 is 0.2-4 micrometers, the distance between every two adjacent protrusions 21 is 0.01-20 micrometers, and the plurality of protrusions 21 act together to enable the outer surface of the hydrophobic layer 2 to be a hydrophobic surface on which water can maintain the shape of a water drop; the total thickness of the non-woven fabric base layer 1 and the hydrophobic layer 2 is 0.06mm-0.095mm, namely the thickness of the medical fabric is 0.06mm-0.095mm, and the moisture permeability of the medical fabric is more than or equal to 2500 g/(m)2D), can see through air and moisture for medical personnel can keep comfortable when wearing protective clothing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. The medical fabric is characterized by comprising a non-woven fabric base layer and a hydrophobic layer covering the outer surface of the non-woven fabric base layer, wherein a plurality of protrusions are arranged on the outer surface of the hydrophobic layer, the outer diameter of each protrusion is 0.2-4 micrometers, and the distance between every two adjacent protrusions is 0.01-20 micrometers; the total thickness of the non-woven fabric base layer and the hydrophobic layer is 0.06mm-0.095 mm; the non-woven fabric base layer is spun-bonded non-woven fabric, spunlace non-woven fabric or SMS non-woven fabric.
2. The medical fabric as claimed in claim 1, comprising at least two of said protrusions of different sizes.
3. The medical fabric of claim 1, wherein the material of the hydrophobic layer comprises at least one of polyvinylidene fluoride fibers, polystyrene fibers, polysulfone nanofibers, polyvinyl chloride fibers.
4. The medical fabric of claim 1, wherein the moisture permeability of the medical fabric is greater than or equal to 2500 g/(m)2*d)。
5. The medical fabric according to claim 3, wherein the hydrophobic layer is formed by an electrospinning method.
6. The medical fabric as claimed in claim 1, wherein the material of the non-woven fabric substrate includes at least one of polyester fiber, polypropylene fiber, viscose fiber, polyamide fiber and cotton fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022544708.7U CN214759309U (en) | 2020-11-06 | 2020-11-06 | Medical fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022544708.7U CN214759309U (en) | 2020-11-06 | 2020-11-06 | Medical fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214759309U true CN214759309U (en) | 2021-11-19 |
Family
ID=78664238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022544708.7U Active CN214759309U (en) | 2020-11-06 | 2020-11-06 | Medical fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214759309U (en) |
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2020
- 2020-11-06 CN CN202022544708.7U patent/CN214759309U/en active Active
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