CN115153863A - Medical antibacterial drape for surgical operation treatment and preparation method thereof - Google Patents

Medical antibacterial drape for surgical operation treatment and preparation method thereof Download PDF

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Publication number
CN115153863A
CN115153863A CN202210702813.XA CN202210702813A CN115153863A CN 115153863 A CN115153863 A CN 115153863A CN 202210702813 A CN202210702813 A CN 202210702813A CN 115153863 A CN115153863 A CN 115153863A
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China
Prior art keywords
antibacterial
solution
woven fabric
fabric layer
drape
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CN202210702813.XA
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Chinese (zh)
Inventor
黎焯勇
贾永堂
冯劲松
游嫔芳
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Shenzhen X&y International Industrial Co ltd
Wuyi University
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Shenzhen X&y International Industrial Co ltd
Wuyi University
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Priority to CN202210702813.XA priority Critical patent/CN115153863A/en
Publication of CN115153863A publication Critical patent/CN115153863A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B46/00—Surgical drapes
    • A61B46/20—Surgical drapes specially adapted for patients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B46/00—Surgical drapes
    • A61B46/40—Drape material, e.g. laminates; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a medical antibacterial drape for surgical operation treatment and a preparation method thereof, and the medical antibacterial drape comprises a non-woven fabric layer, wherein an antibacterial layer made of an antibacterial solution is attached to the non-woven fabric layer or the antibacterial solution is absorbed in the non-woven fabric layer, and the antibacterial solution comprises the following components in a certain mass ratio: the antibacterial cotton-padded towel comprises water-based polyurethane emulsion, water-based acrylate emulsion, inorganic nano metal solution, plant extract and water-soluble particles, wherein at least one of the water-based polyurethane emulsion and the water-based acrylate emulsion is adopted, and a preparation method of the antibacterial cotton-padded towel is also disclosed. The antibacterial medical drape has good biocompatibility and less influence on the environment, can effectively remove residual germs on the skin, has obvious and durable antibacterial effect, and solves the problems that the medical drape in the market only has a physical barrier effect, has poor antibacterial property and still has higher infection risk when in use.

Description

Medical antibacterial drape for surgical operation treatment and preparation method thereof
Technical Field
The invention relates to medical supplies, in particular to a medical antibacterial drape for surgical operation treatment and a preparation method thereof.
Background
With the increasing aging of the population, the number of patients in hospitals who need surgical treatment is greatly increased, the shortage of medical care personnel is serious, and the demand of hospitals for disposable medical operation bags is rapidly increased. The disposable medical operation bag on the market at present mainly comprises wrapping cloth, a drape, a cushion sheet and related accessories, and compared with the traditional cotton operation bag, the disposable medical operation bag can reduce the infection risk by nearly 60 percent and improve the operation completion efficiency by more than 40 percent in the surgical operation. However, the disposable medical operation bag products sold in the market are difficult to introduce due to the production process of melting the non-woven fabrics and the thin films at high temperature, and the products only have the protection effect of a physical barrier. In the process of operation, remain the germ in the pore depths, along with the body fluid that the patient produced, the washing of high-pressure squirt etc. easily, ooze to the skin surface, cause the pollution easily in the inside incision of product to the patient, lead to medical operation package when using, still have higher infection risk.
Disclosure of Invention
Aiming at the existing defects, the invention provides a medical antibacterial drape for surgical operation treatment and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a medical antibiotic drape for surgery operation treatment, includes the non-woven fabrics layer, it has adsorbed antibiotic solution in antibiotic layer or the non-woven fabrics layer that makes through antibiotic solution to laminate on the non-woven fabrics layer, antibiotic solution's component is as follows: the water-based polyurethane emulsion, the water-based acrylate emulsion, the inorganic nano metal solution, the plant extract and the water-soluble particles are prepared from the following components in a mass ratio of 0-200: 20-50:1-20, and at least one of aqueous polyurethane emulsion and aqueous acrylate emulsion.
Preferably, the mass ratio of the non-woven fabric layer to the antibacterial solution is 1.
Preferably, the mass ratio of the inorganic nano-metal solution to the plant extract is 1-3.
Preferably, the inorganic nano metal solution is one or more of nano silver solution, nano copper solution and nano zinc solution.
Preferably, the plant extract is one or more of mint extract, moutan bark extract and aloe extract.
Preferably, the water-soluble particles are one or more of sodium chloride, polyvinyl alcohol, carboxymethyl cellulose.
A preparation method of a medical antibacterial drape for surgical operation treatment comprises the following steps:
s1, preparing an antibacterial solution, uniformly mixing a certain amount of inorganic nano metal solution in an aqueous polymer emulsion to form a solution A, adding a certain proportion of plant extract and water-soluble particles into the solution A, and uniformly mixing to form a solution B;
s2, cleaning the non-woven fabric layer, namely soaking the non-woven fabric layer in clear water to remove impurities in the non-woven fabric layer, and then drying the non-woven fabric layer for later use;
and S3, preparing the antibacterial drape, namely preparing the solution B into an antibacterial coating, attaching the antibacterial coating to the non-woven fabric layer at the temperature of 30-80 ℃ to form the antibacterial drape, or soaking the non-woven fabric layer in the solution B to adsorb the solution B in the non-woven fabric layer, and then drying at the temperature of 30-80 ℃ to form the antibacterial drape.
Preferably, the aqueous polymer emulsion is at least one of aqueous polyurethane emulsion and aqueous acrylate emulsion, and the inorganic nano metal solution is one or more of nano silver solution, nano copper solution and nano zinc solution; the plant extract is one or more of herba Menthae extract, cortex moutan extract, and Aloe extract; the water-soluble particles are one or more of sodium chloride, polyvinyl alcohol and carboxymethyl cellulose, and the mass ratio of the aqueous polyurethane emulsion, the aqueous acrylate emulsion, the inorganic nano metal solution, the plant extract to the water-soluble particles is (0-200): 20-50:1-20.
Preferably, the antibacterial coating layer is attached to the nonwoven fabric layer by any one of the methods A and B,
the method A comprises the following steps:
a1, flatly paving the solution B on a polytetrafluoroethylene plate, and reacting for a period of time under the condition that the temperature of an oven is 30-80 ℃;
a2, soaking the polytetrafluoroethylene plate after the reaction in the previous step in deionized water for a period of time to obtain an antibacterial coating;
a3, coating a pressure-sensitive adhesive on the antibacterial coating, then attaching the pressure-sensitive adhesive to the non-woven fabric layer, and curing at the temperature of 30-80 ℃ to obtain the antibacterial coating;
the method B comprises the following steps:
b1, pouring the solution B on release paper;
b2, attaching a non-woven fabric layer to the surface of the release paper poured with the solution B, and then drying and curing at the temperature of 30-80 ℃;
and B3, finishing curing, and removing the release paper to obtain the antibacterial paving towel.
Preferably, the soaking and adsorption of the non-woven fabric layer in the solution B comprises the following steps:
c1, soaking the cleaned non-woven fabric layer in the solution B for a period of time;
and C2, removing the solution B remained on the surface of the non-woven fabric layer after soaking, and drying the solution B at the temperature of 30-80 ℃ to obtain the antibacterial paving towel.
The invention has the beneficial effects that: the waterborne polymer emulsion has good film forming property, can be firmly connected with various base materials, is modified by adding the antibacterial solution to form a film with a microporous structure, has good antibacterial activity, can improve the antibacterial efficiency and the air permeability of the sheet, keeps the good blood permeation resistance of the sheet, can slowly release antibacterial effective substances under the condition that the sheet is contacted with the skin of a human body, has obvious and lasting antibacterial effect, is simple in preparation method, is green and environment-friendly, and is suitable for industrial mass production.
Detailed Description
To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described with reference to the following embodiments, which are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The embodiment of the invention is as follows, a medical antibacterial drape for surgical operation treatment comprises a non-woven fabric layer, wherein an antibacterial layer made of an antibacterial solution is attached to the non-woven fabric layer or an antibacterial solution is adsorbed in the non-woven fabric layer, the non-woven fabric layer is a common spun-bonded non-woven fabric, the antibacterial layer formed by the antibacterial solution is coated or attached on the non-woven fabric layer, the antibacterial solution can be air-dried at room temperature or at low temperature, namely at the temperature of less than 100 ℃, and the medical antibacterial drape is prepared by the following components: the water-based polyurethane emulsion, the water-based acrylate emulsion, the inorganic nano metal solution, the plant extract and the water-soluble particles are prepared from the following components in parts by mass, wherein the mass ratio of the components is (0-200): 20-50:1-20, and at least one of aqueous polyurethane emulsion and aqueous acrylate emulsion. The water-based polyurethane emulsion and the water-based acrylate emulsion are used as water-based high polymer materials, water is used as a dispersion phase, the water-based polyurethane emulsion and the water-based acrylate emulsion can be formed into a film at room temperature by evaporating a solvent, the film is harmless to a human body in use, safe and reliable, has small influence on the environment, is green and environment-friendly, has good film forming property, can be firmly connected with various base materials, and is modified by adding an antibacterial solution to form a film with a microporous structure. At the moment, the inorganic nano metal solution is one or more of nano silver solution, nano copper solution and nano zinc solution, has excellent antibacterial activity, particularly common silver-containing solution, has broad-spectrum antibacterial effect, has faster antibacterial efficiency compared with the traditional granular antibacterial agent, and is an ideal antibacterial finishing agent; the plant extract is one or more of mint extract, moutan bark extract and aloe extract, has wide sources, has certain antibacterial activity and good biocompatibility, has good compatibility with other solutions, can be mixed with other solutions for use, and reduces the addition of an antibacterial agent; the water-soluble particles are one or more of sodium chloride, polyvinyl alcohol and carboxymethyl cellulose, and are convenient and easy to obtain. Preferably, the mass ratio of the non-woven fabric layer to the antibacterial solution is 1. The mass ratio of the inorganic nano metal solution to the plant extract is 1-3.
A preparation method of medical antibacterial drape for surgical operation treatment comprises the following steps:
s1, preparing an antibacterial solution, uniformly mixing a certain amount of inorganic nano metal solution in aqueous high-molecular emulsion to form a solution A, adding a certain proportion of plant extract and water-soluble particles into the solution A, and uniformly mixing to form a solution B; adding a certain amount of inorganic nano metal solution into aqueous polymer emulsion, namely aqueous polyurethane emulsion and/or aqueous acrylate emulsion, uniformly mixing to form solution A, and treating the solution A for 20-40min by using a magnetic stirrer (800-1500 r/min); then adding a certain proportion of plant extract into the solution A, treating for 5-50min by using an ultrasonic cleaning device (40-120W), adding water-soluble particles, and uniformly stirring to form a solution B; the water-based polymer emulsion is at least one of water-based polyurethane emulsion and water-based acrylate emulsion; the inorganic nano metal solution is one or more of nano silver solution, nano copper solution and nano zinc solution; the plant extract is one or more of herba Menthae extract, cortex moutan extract, and Aloe extract; the water-soluble particles are one or more of sodium chloride, polyvinyl alcohol and carboxymethyl cellulose, and the mass ratio of the water-soluble polyurethane emulsion, the water-soluble acrylate emulsion, the inorganic nano metal solution, the plant extract to the water-soluble particles is (0-200): 20-50:1 to 20;
s2, cleaning the non-woven fabric layer, soaking the non-woven fabric layer in clean water to remove impurities in the non-woven fabric layer, and then drying the non-woven fabric layer for later use; soaking the selected spun-bonded non-woven fabric in clear water to remove redundant impurities in the fabric, then putting the fabric into an oven, and drying the fabric at 60-90 ℃ to finish cleaning the spun-bonded non-woven fabric;
and S3, preparing the solution B into an antibacterial coating, and attaching the antibacterial coating to a non-woven fabric layer at the temperature of 30-80 ℃ to form an antibacterial spread towel, or soaking the non-woven fabric layer in the solution B to adsorb the solution B in the non-woven fabric layer and then drying the solution B at the temperature of 30-80 ℃ to form the antibacterial spread towel, namely the antibacterial spread towel has two structures, wherein one structure is that the antibacterial coating is attached to the non-woven fabric layer, and the other structure is that the antibacterial solution is adsorbed into gaps of the non-woven fabric layer to form a whole with the non-woven fabric. The attachment of the antimicrobial coating to the nonwoven layer is then made by either method a or method B,
the method A comprises the following steps:
a1, flatly paving the solution B on a polytetrafluoroethylene plate, and reacting for a period of time under the condition that the temperature of an oven is 30-80 ℃; pouring the treated solution B on a polytetrafluoroethylene plate, putting the solution B into an oven to react for 10-60min at 40-100 ℃, and obtaining a primary antibacterial coating after the reaction is finished;
a2, soaking the polytetrafluoroethylene plate subjected to the reaction in the previous step in deionized water for a period of time to prepare an antibacterial coating, soaking the polytetrafluoroethylene plate with the primary antibacterial coating on the surface in deionized water for 1-5 hours, removing water-soluble particles in the primary antibacterial coating to form a microporous structure, and finishing the preparation of the final antibacterial coating;
a3, coating a pressure-sensitive adhesive on the antibacterial coating, then attaching the pressure-sensitive adhesive to the non-woven fabric layer, and curing at the temperature of 30-80 ℃ to obtain the antibacterial coating; coating a layer of pressure-sensitive adhesive on the final antibacterial coating by using a coating machine, then attaching the pressure-sensitive adhesive to the cleaned spun-bonded non-woven fabric, and drying and curing at 30-80 ℃ for 20-50min to finish the preparation of the medical antibacterial paving sheet;
the method B comprises the following steps:
b1, pouring the solution B on release paper, namely pouring the antibacterial solution on the release paper and spreading the antibacterial solution on the surface of the release paper;
b2, attaching a non-woven fabric layer to the surface of the release paper poured with the solution B, then drying and curing at the temperature of 30-80 ℃, namely, closely attaching the cleaned spun-bonded non-woven fabric layer to the release paper, attaching the non-woven fabric layer to the surface of the release paper poured with the solution B, namely the surface with the antibacterial solution, and then putting the release paper into an oven to dry and cure at the temperature of 30-80 ℃;
and B3, after the curing is finished, removing the release paper to obtain the antibacterial drape, removing the release paper, and coating and curing the antibacterial substance on the residual non-woven fabric layer to finish the preparation of the medical antibacterial drape.
The soaking and adsorbing of the non-woven fabric layer in the solution B comprises the following steps:
c1, soaking the cleaned non-woven fabric layer in the solution B for a period of time, wherein the soaking time is 1-5 hours;
and C2, removing the solution B remained on the surface of the non-woven fabric layer after soaking, and drying the solution B at the temperature of 30-80 ℃ to obtain the antibacterial drape, namely, putting the non-woven fabric layer, from which the antibacterial solution remained on the surface of the fabric is removed, in an oven, adjusting the temperature of the oven to be 30-80 ℃, and drying the non-woven fabric layer adsorbed with the antibacterial solution to complete the preparation of the medical antibacterial drape.
The specific contents of each embodiment are as follows:
example 1
Calculating and weighing nano Ag with the mass ratio of 1 + 、Zn 2+ Or Cu 2+ Adding the solution into aqueous polyurethane emulsion to form a solution A, then adding a certain proportion of plant extract, treating the plant extract for 25-50min by using an ultrasonic cleaning device (80-120W), adopting an aloe extract, finally adding water-soluble particles, fully stirring to form a solution B, then flatly pouring the solution B on a polytetrafluoroethylene plate, putting the solution B into an oven to react for 10-60min at 40-100 ℃, finally soaking the polytetrafluoroethylene plate in deionized water for 1-5h, removing the water-soluble particles in the antibacterial coating, and forming the antibacterial coating with a microporous structure;
taking a piece of spun-bonded non-woven fabric, soaking the selected spun-bonded non-woven fabric in clear water, removing redundant impurities in the fabric, then putting the fabric into an oven, and drying the fabric at 60-90 ℃ to finish cleaning the spun-bonded non-woven fabric;
coating a layer of pressure sensitive adhesive on the surface of the prepared antibacterial coating, namely the MOFs coating, by using a coating machine, then attaching the pressure sensitive adhesive to the cleaned spun-bonded non-woven fabric, and drying and curing at the temperature of 30-80 ℃ for 20-50min to finish the preparation of the medical antibacterial paving sheet.
Example 2
Calculating and weighing nano Ag with the mass ratio of 1 + 、Zn 2+ Or Cu 2+ Adding the solution into the aqueous polyurethane emulsion to obtain a solution A1, then adding a certain proportion of plant extract, treating for 25-50min by using an ultrasonic cleaning device (80-120W), adopting an aloe extract, finally adding water-soluble particles, fully stirring to form a solution B, then flatly pouring the solution B on a polytetrafluoroethylene plate, putting the solution B into an oven, and reacting for 10-60min at 40-100 ℃;
taking a piece of spun-bonded non-woven fabric, soaking the selected spun-bonded non-woven fabric in clear water, removing redundant impurities in the fabric, then putting the fabric into an oven, and drying the fabric at 60-90 ℃ to finish cleaning the spun-bonded non-woven fabric;
pouring the prepared antibacterial solution, namely the solution B, onto release paper, paving the solution B, closely adhering the cleaned spun-bonded non-woven fabric to the release paper on the surface of the release paper on which the solution B is poured, then putting the release paper into an oven for drying at 30-80 ℃, removing the release paper, taking out the cloth, soaking the cloth in deionized water for 1-5h, putting the cloth into the oven for drying at 30-80 ℃ again, and completing the preparation of the medical antibacterial drape.
Example 3
Calculating and weighing nano Ag with the mass ratio of 1 + 、Zn 2+ Or Cu 2+ Adding the solution into the aqueous polyurethane emulsion to obtain a solution A1, then adding a certain proportion of plant extract, treating for 25-50min by using an ultrasonic cleaning device (80-120W), adopting an aloe extract, finally adding water-soluble particles, fully stirring to form a solution B, then flatly pouring the solution B on a polytetrafluoroethylene plate, putting the solution B into an oven, and reacting for 10-60min at 40-100 ℃;
taking a piece of spun-bonded non-woven fabric, soaking the selected spun-bonded non-woven fabric in clear water, removing redundant impurities in the fabric, then putting the fabric into an oven, and drying the fabric at 60-90 ℃ to finish cleaning the spun-bonded non-woven fabric;
and soaking the cleaned spun-bonded non-woven fabric in the prepared antibacterial solution B for 1-5h, then putting the spun-bonded non-woven fabric into an oven for drying at 30-80 ℃, taking out the fabric, soaking the fabric into deionized water for 1-5h, removing the antibacterial solution remained on the surface of the fabric, then putting the fabric into the oven for drying at 30-80 ℃, and completing the preparation of the medical antibacterial sheet.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. A medical antibiotic drape for surgical treatment, which is characterized in that: the antibacterial fabric comprises a non-woven fabric layer, an antibacterial layer made of antibacterial solution or a non-woven fabric layer is attached to the non-woven fabric layer, and the antibacterial solution is adsorbed in the non-woven fabric layer and comprises the following components: the water-based polyurethane emulsion, the water-based acrylate emulsion, the inorganic nano metal solution, the plant extract and the water-soluble particles are prepared from the following components in a mass ratio of 0-200: 20-50:1-20, and at least one of aqueous polyurethane emulsion and aqueous acrylate emulsion.
2. The medical antibacterial drape for surgical treatment according to claim 1, wherein the mass ratio of the non-woven fabric layer to the antibacterial solution is 1.
3. The medical antibacterial drape for surgical treatment according to claim 1, wherein the mass ratio of the inorganic nano metal solution to the plant extract is 1-3.
4. The medical antibacterial drape for surgical treatment according to claim 1, wherein the inorganic nano metal solution is one or more of nano silver solution, nano copper solution and nano zinc solution.
5. The medical antibacterial drape of claim 1 wherein said plant extract is one or more of peppermint extract, moutan bark extract, and aloe vera extract.
6. The medical antibacterial drape for surgical treatment according to claim 1, wherein said water-soluble particles are one or more of sodium chloride, polyvinyl alcohol, carboxymethyl cellulose.
7. A preparation method of a medical antibacterial drape for surgical operation treatment is characterized by comprising the following steps: s1, preparing an antibacterial solution, uniformly mixing a certain amount of inorganic nano metal solution in an aqueous polymer emulsion to form a solution A, adding a certain proportion of plant extract and water-soluble particles into the solution A, and uniformly mixing to form a solution B;
s2, cleaning the non-woven fabric layer, soaking the non-woven fabric layer in clean water to remove impurities in the non-woven fabric layer, and then drying the non-woven fabric layer for later use;
and S3, preparing the antibacterial drape, namely preparing the solution B into an antibacterial coating, attaching the antibacterial coating to the non-woven fabric layer at the temperature of 30-80 ℃ to form the antibacterial drape, or soaking the non-woven fabric layer in the solution B to adsorb the solution B in the non-woven fabric layer, and then drying at the temperature of 30-80 ℃ to form the antibacterial drape.
8. The method for preparing the medical antibacterial drape used for surgical operation treatment according to claim 7, wherein the aqueous polymer emulsion is at least one of aqueous polyurethane emulsion and aqueous acrylate emulsion, and the inorganic nano metal solution is one or more of nano silver solution, nano copper solution and nano zinc solution; the plant extract is one or more of herba Menthae extract, cortex moutan extract, and Aloe extract; the water-soluble particles are one or more of sodium chloride, polyvinyl alcohol and carboxymethyl cellulose, and the mass ratio of the water-soluble polyurethane emulsion to the water-soluble acrylate emulsion to the inorganic nano metal solution to the plant extract to the water-soluble particles is (0-200): 20-50:1-20.
9. The method for preparing a medical antibacterial drape used for surgical operation as claimed in claim 7, wherein the antibacterial coating is attached to the non-woven fabric layer by any one of the methods A and B,
the method A comprises the following steps:
a1, flatly paving the solution B on a polytetrafluoroethylene plate, and reacting for a period of time under the condition that the temperature of an oven is 40-100 ℃;
a2, soaking the polytetrafluoroethylene plate after the reaction in the previous step in deionized water for a period of time to obtain an antibacterial coating;
a3, coating a pressure-sensitive adhesive on the antibacterial coating, then attaching the pressure-sensitive adhesive to the non-woven fabric layer, and curing at the temperature of 30-80 ℃ to obtain the antibacterial coating;
the method B comprises the following steps:
b1, pouring the solution B on release paper;
b2, attaching a non-woven fabric layer to the surface of the release paper poured with the solution B, and then drying and curing at the temperature of 30-80 ℃;
and B3, finishing curing, and removing the release paper to obtain the antibacterial paving towel.
10. The method for preparing the medical antibacterial drape used for surgical operation treatment according to claim 7, wherein the soaking and adsorption of the non-woven fabric layer in the solution B comprises the following steps:
c1, soaking the cleaned non-woven fabric layer in the solution B for a period of time;
and C2, removing the solution B remained on the surface of the non-woven fabric layer after soaking, and drying the solution B at the temperature of 30-80 ℃ to obtain the antibacterial paving towel.
CN202210702813.XA 2022-06-21 2022-06-21 Medical antibacterial drape for surgical operation treatment and preparation method thereof Pending CN115153863A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105105855A (en) * 2015-07-20 2015-12-02 苏州百利医疗用品有限公司 Medical sheet
US20170051189A1 (en) * 2014-03-05 2017-02-23 Lumina Adhesives Ab Low cytotoxicity switchable adhesive compositions, medical dressings and skin coverings, and methods of treatment using same
CN108404192A (en) * 2018-03-05 2018-08-17 湖南科技大学 A kind of preparation method of hemostatic wound dressing
CN110338981A (en) * 2019-06-11 2019-10-18 安徽舒源妇幼用品有限公司 A kind of pro-skin antibacterial paper diaper
CN111991610A (en) * 2020-08-19 2020-11-27 南通大学 Antibacterial healing-promoting spunlace nonwoven dressing and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170051189A1 (en) * 2014-03-05 2017-02-23 Lumina Adhesives Ab Low cytotoxicity switchable adhesive compositions, medical dressings and skin coverings, and methods of treatment using same
CN105105855A (en) * 2015-07-20 2015-12-02 苏州百利医疗用品有限公司 Medical sheet
CN108404192A (en) * 2018-03-05 2018-08-17 湖南科技大学 A kind of preparation method of hemostatic wound dressing
CN110338981A (en) * 2019-06-11 2019-10-18 安徽舒源妇幼用品有限公司 A kind of pro-skin antibacterial paper diaper
CN111991610A (en) * 2020-08-19 2020-11-27 南通大学 Antibacterial healing-promoting spunlace nonwoven dressing and preparation method thereof

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