CN112402684A - Monoatomic antibacterial disinfecting hemostatic gauze and preparation method thereof - Google Patents
Monoatomic antibacterial disinfecting hemostatic gauze and preparation method thereof Download PDFInfo
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- CN112402684A CN112402684A CN202011336364.9A CN202011336364A CN112402684A CN 112402684 A CN112402684 A CN 112402684A CN 202011336364 A CN202011336364 A CN 202011336364A CN 112402684 A CN112402684 A CN 112402684A
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- hemostatic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
Abstract
The invention belongs to the field of medical hemostatic gauze, and particularly relates to monatomic antibacterial disinfecting hemostatic gauze and a preparation method thereof. The monoatomic antibacterial disinfecting hemostatic gauze consists of gauze and a hemostatic agent adhered to the gauze, and is prepared from the following raw materials in parts by weight: 50-75 parts of adhesive, 5-10 parts of monoatomic antibacterial disinfectant and 25-50 parts of deionized water. The monatomic antibacterial disinfecting hemostatic gauze disclosed by the invention is good in air permeability, capable of better preventing bacteria from invading a wound, free of stimulation to the wound and surrounding tissues, beneficial to wound healing, free of allergy phenomenon and capable of providing an optimal environment for wound healing.
Description
Technical Field
The invention belongs to the field of medical hemostatic gauze, and particularly relates to monatomic antibacterial disinfecting hemostatic gauze and a preparation method thereof.
Background
The medical gauze is a common medical article for bandaging the wound surface of a wounded person, the existing medical gauze can only clean and disinfect the wound surface, can not effectively perform durable antibacterial disinfection on the wound surface, and has single medical function. Infection is one of important reasons for death caused by wartime, natural disasters or accidents, and if the wound surface can be subjected to long-term antibacterial disinfection, the wound surface has very important significance for saving lives of wounded and stabilizing the injury.
The existing medical non-woven fabric does not have the functions of antibiosis and lasting disinfection, and a wound is wrapped for a long time and is in contact with gauze, so that the wound can not keep a moist state and can not be in contact with oxygen, the healing time of the wound is prolonged, the temperature and the humidity are very beneficial to breeding of bacteria, and then the wound is secondarily infected, and the effective protection effect can not be achieved. The monatomic antibacterial disinfecting hemostatic gauze has good air permeability, prevents bacteria from invading the wound, does not stimulate the wound and surrounding tissues, is beneficial to wound healing, and provides an optimal environment for wound healing.
Disclosure of Invention
The invention aims at the aspects of reducing the resistance of a human body and slowing wound healing and the like due to common pathogenic bacteria causing wound infection such as common staphylococcus aureus and escherichia coli, and provides the monatomic antibacterial, disinfecting and hemostatic gauze.
The purpose of the invention is realized by the following technical scheme:
a monoatomic antibacterial disinfectant hemostatic gauze comprises gauze and hemostatic adhered on the gauze in g/cm2The mass area ratio of the hemostatic to the gauze is 2-5:10, and the hemostatic is prepared from the following raw materials in parts by weight: 50-75 parts of adhesive, 5-10 parts of monoatomic antibacterial disinfectant and 25-50 parts of deionized water.
Preferably, the binder is polyvinyl acetate.
Preferably, the monatomic antibacterial disinfectant consists of a carrier and a transition metal, wherein the carrier is one or more of zeolite molecular sieve, kaolin, calcium carbonate, calcium phosphate and talcum powder, the transition metal is one or more of iron, copper and zinc, the transition metal of the monatomic antibacterial disinfectant is anchored in a monatomic form in defect sites on the surface of the carrier, and the mass ratio of the transition metal to the carrier in the monatomic antibacterial disinfectant is 1:10-1: 100.
Another object of the present invention is to provide a method for preparing a monoatomic antiseptic disinfectant hemostatic gauze, which comprises the following steps:
1) carrying out ultrasonic and stirring mixing on the adhesive and deionized water;
2) adding monatomic antibacterial disinfectant, stirring and mixing to obtain the hemostatic;
3) coating the hemostatic obtained in the step 2) on absorbent gauze, and drying to obtain the monoatomic antibacterial disinfectant hemostatic gauze.
Preferably, the stirring time in the step 1) is 10-20 min.
Preferably, the drying temperature in step 3) is 50-70 ℃.
1. Compared with the traditional antibacterial, disinfectant and hemostatic material, the monatomic antibacterial, disinfectant and hemostatic gauze has more excellent antibacterial, disinfectant and hemostatic performances. The monoatomic antibacterial disinfecting hemostatic gauze does not need any auxiliary conditions, and can kill common pathogenic bacteria causing wound infection such as staphylococcus aureus, escherichia coli and the like in a broad spectrum.
2. The monatomic antibacterial disinfecting hemostatic gauze disclosed by the invention is good in air permeability, capable of better preventing bacteria from invading a wound, free of stimulation to the wound and surrounding tissues, beneficial to wound healing, free of allergy phenomenon and capable of providing an optimal environment for wound healing.
3. The invention can be widely used in the field of medicine, has the functions of self-antibiosis, disinfection and hemostasis, and is a very excellent monoatomic antibiosis, disinfection and hemostasis gauze.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited to the scope of the examples. These examples are intended to illustrate the invention only and are not intended to limit the scope of the invention. In addition, various modifications may occur to those skilled in the art upon reading the present disclosure, and such equivalent variations are within the scope of the present invention as defined in the appended claims.
Example 1
A monoatomic antibacterial, disinfectant and hemostatic gauze is specifically prepared by the following steps:
1. dispersing a 2000-mesh zeolite molecular sieve serving as a carrier in 10g/L aqueous solution of copper chloride, stirring for 10min by using a stirrer, uniformly dispersing, wherein the mass ratio of the carrier to the transition metal is 20:1, performing ultrasonic treatment on the obtained solution at 100kHz and normal temperature for 30min, uniformly dispersing, and then stirring the mixed solution at 400r/min for 12 h; heating the obtained mixed solution to the boiling point of water, volatilizing at high temperature, evaporating the solvent to dryness, and fully grinding at the rotating speed of 50r/min by using a ball mill for 10min to obtain solid powder; and heating the obtained solid powder in a tubular furnace to 500 ℃ for 2h, cooling to room temperature, and grinding for 10min at a rotating speed of 50r/min by using a ball mill to obtain the required monoatomic antibacterial disinfectant, wherein transition metals of the monoatomic antibacterial disinfectant are anchored in defect sites on the surface of the carrier in a monoatomic form.
2. Carrying out ultrasonic treatment on polyvinyl acetate and a certain amount of deionized water, stirring for 10min, uniformly mixing, slowly adding a certain amount of monatomic antibacterial disinfectant, and fully stirring, wherein the mass ratio of the adhesive (polyvinyl acetate), the deionized water and the monatomic antibacterial disinfectant is 65: 35: 5, preparing the hemostatic agent. Uniformly coating the obtained hemostatic on gauze according to a specified process at a ratio of g/cm2And (3) counting, wherein the mass area ratio of the hemostatic to the gauze is 2:10, and drying at 60 ℃ to obtain the monatomic antibacterial sterile hemostatic gauze.
Example 2
A hemostatic gauze of a monatomic antibacterial disinfectant is specifically prepared by the following steps:
1. calcium carbonate with 3000 meshes is taken as a carrier and dispersed in 10g/L aqueous solution of ferric chloride, a stirrer is used for stirring for 10min and uniformly dispersing, wherein the mass ratio of the carrier to transition metal is 50:1, the obtained solution is uniformly dispersed by ultrasonic treatment for 30min at the normal temperature of 100kHz, and then the mixed solution is stirred for 12h at the speed of 400 r/min; heating the obtained mixed solution to the boiling point of water, volatilizing at high temperature, evaporating the solvent to dryness, and fully grinding at the rotating speed of 50r/min by using a ball mill for 10min to obtain solid powder; and heating the obtained solid powder in a tubular furnace to 600 ℃ for 2h, cooling to room temperature, and grinding for 10min at a rotating speed of 50r/min by using a ball mill to obtain the required monoatomic antibacterial disinfectant, wherein transition metals of the monoatomic antibacterial disinfectant are anchored in defect sites on the surface of the carrier in a monoatomic form.
2. Carrying out ultrasonic treatment on polyvinyl acetate and a certain amount of deionized water, stirring for 15min, uniformly mixing, slowly adding a certain amount of monatomic antibacterial disinfectant, and fully stirring, wherein the mass ratio of the adhesive (polyvinyl acetate), the deionized water to the monatomic antibacterial disinfectant is 55: 35: 10, preparing the hemostatic agent. Uniformly coating the obtained hemostatic on gauze according to a specified process at a ratio of g/cm2And (3) counting, wherein the mass area ratio of the hemostatic to the gauze is 2.5:10, and drying at 60 ℃ to obtain the monatomic antibacterial disinfecting hemostatic gauze.
Example 3
A hemostatic gauze of a monatomic antibacterial disinfectant is specifically prepared by the following steps:
1. taking 6000-mesh calcium phosphate as a carrier, dispersing the carrier in 10g/L zinc chloride aqueous solution, stirring the solution for 10min by using a stirrer, uniformly dispersing the solution, wherein the mass ratio of the carrier to the transition metal is 100:1, performing ultrasonic treatment on the obtained solution at 100kHz and normal temperature for 30min, uniformly dispersing the obtained solution, and then stirring the mixed solution for 12h at 400 r/min; heating the obtained mixed solution to the boiling point of water, volatilizing at high temperature, evaporating the solvent to dryness, and fully grinding at the rotating speed of 50r/min by using a ball mill for 10min to obtain solid powder; and heating the obtained solid powder in a tube furnace to 800 ℃ for 2h, cooling to room temperature, and grinding for 10min at a rotating speed of 50r/min by using a ball mill to obtain the required monoatomic antibacterial disinfectant, wherein transition metals of the monoatomic antibacterial disinfectant are anchored in defect sites on the surface of the carrier in a monoatomic form.
2. Carrying out ultrasonic treatment on polyvinyl acetate and a certain amount of deionized water, stirring for 20min, uniformly mixing, slowly adding a certain amount of monatomic antibacterial disinfectant, and fully stirring, wherein the mass ratio of the adhesive (polyvinyl acetate), the deionized water and the monatomic antibacterial disinfectant is 54: 48: 8, preparing the hemostatic agent. Uniformly coating the obtained hemostatic on gauze according to a specified process at a ratio of g/cm2And (3) counting, wherein the mass area ratio of the hemostatic to the gauze is 3:10, and drying at 60 ℃ to obtain the monatomic antibacterial sterile hemostatic gauze.
Example 4
A hemostatic gauze of a monatomic antibacterial disinfectant is specifically prepared by the following steps:
1. dispersing a 6000-mesh carrier (the carrier is composed of kaolin and talcum powder in a mass ratio of 1: 2) in 10g/L of chloride aqueous solution (the chloride is composed of ferric chloride and zinc chloride in a mass ratio of 1: 2), stirring for 10min by using a stirrer, uniformly dispersing, wherein the mass ratio of the carrier to the transition metal is 10:1, performing ultrasonic treatment on the obtained solution at the normal temperature of 100kHz for 30min to uniformly disperse, and then stirring the mixed solution at 400r/min for 12 h; heating the obtained mixed solution to the boiling point of water, volatilizing at high temperature, evaporating the solvent to dryness, and fully grinding at the rotating speed of 50r/min by using a ball mill for 10min to obtain solid powder; and heating the obtained solid powder in a tube furnace to 800 ℃ for 2h, cooling to room temperature, and grinding for 10min at a rotating speed of 50r/min by using a ball mill to obtain the required monoatomic antibacterial disinfectant, wherein transition metals of the monoatomic antibacterial disinfectant are anchored in defect sites on the surface of the carrier in a monoatomic form.
2. Carrying out ultrasonic treatment on polyvinyl acetate and a certain amount of deionized water, stirring for 12min, uniformly mixing, slowly adding a certain amount of monatomic antibacterial disinfectant, and fully stirring, wherein the mass ratio of the adhesive (polyvinyl acetate), the deionized water and the monatomic antibacterial disinfectant is 50: 25: 6, preparing the hemostatic agent. Uniformly coating the obtained hemostatic on gauze according to a specified process at a ratio of g/cm2And (3) counting, wherein the mass area ratio of the hemostatic to the gauze is 4:10, and drying at 50 ℃ to obtain the monatomic antibacterial sterile hemostatic gauze.
Example 5
A hemostatic gauze of a monatomic antibacterial disinfectant is specifically prepared by the following steps:
1. dispersing a 6000-mesh carrier (the carrier is composed of calcium carbonate, calcium phosphate and talcum powder in a mass ratio of 1:2: 3) in 10g/L chloride aqueous solution (the chloride is composed of ferric chloride, zinc chloride and copper chloride in a mass ratio of 1:2: 3), stirring for 10min by using a stirrer, uniformly dispersing, wherein the mass ratio of the carrier to the transition metal is 80:1, ultrasonically dispersing the obtained solution for 30min at the normal temperature of 100kHz, and then stirring the mixed solution for 12h at 400 r/min; heating the obtained mixed solution to the boiling point of water, volatilizing at high temperature, evaporating the solvent to dryness, and fully grinding at the rotating speed of 50r/min by using a ball mill for 10min to obtain solid powder; and heating the obtained solid powder in a tube furnace to 800 ℃ for 2h, cooling to room temperature, and grinding for 10min at a rotating speed of 50r/min by using a ball mill to obtain the required monoatomic antibacterial disinfectant, wherein transition metals of the monoatomic antibacterial disinfectant are anchored in defect sites on the surface of the carrier in a monoatomic form.
2. Carrying out ultrasonic treatment on polyvinyl acetate and a certain amount of deionized water, stirring for 18min, uniformly mixing, slowly adding a certain amount of monatomic antibacterial disinfectant, and fully stirring, wherein the mass ratio of the adhesive (polyvinyl acetate), the deionized water and the monatomic antibacterial disinfectant is 75: 50: 9, preparing the hemostatic agent. The obtained hemostatic agent is uniformly coated on gauze by a predetermined process at a ratio of g/cm2And (3) counting, wherein the mass area ratio of the hemostatic to the gauze is 5:10, and drying at 70 ℃ to obtain the monatomic antibacterial sterile hemostatic gauze.
The hemostatic gauze prepared in the above embodiments is subjected to hemostatic effect evaluation, the numbers of examples 1 to 5 are respectively 1 to 5, and common medical gauze is taken as the raw material, and the operation is performed according to the following specific steps.
In the experiment, a mouse is taken as a research object, the hair on the abdomen of the mouse is removed and disinfected, a disinfected blade is used for cutting a wound with the depth of 0.3cm on the abdomen of the mouse, and blood flows out; different hemostatic gauze was used to test and observe the hemostatic effect.
The results of the hemostasis experiments are shown in the following table:
TABLE 1 hemostatic effect of monoatomic antibacterial disinfectant hemostatic gauze
| Gauze numbering | Hemostasis time/s |
| 1 | 20s±2s |
| 2 | 18s±3s |
| 3 | 24s±5s |
| 4 | 19s±5s |
| 5 | 22s±3s |
| Common medical gauze | 260±15s |
Claims (6)
1. The monatomic antibacterial disinfecting hemostatic gauze is characterized by consisting of gauze and a hemostatic agent adhered to the gauze, wherein the hemostatic agent is g/cm2The mass area ratio of the hemostatic to the gauze is 2-5:10, and the hemostatic is prepared from the following raw materials in parts by weight: 50-75 parts of adhesive, 5-10 parts of monoatomic antibacterial disinfectant and 25-50 parts of deionized water.
2. The monatomic antibacterial antiseptic gauze of claim 1, wherein the binder is polyvinyl acetate.
3. The monatomic antibacterial disinfectant hemostatic gauze of claim 1, wherein the monatomic antibacterial disinfectant consists of a carrier and a transition metal, wherein the carrier is one or more of zeolite molecular sieve, kaolin, calcium carbonate, calcium phosphate and talcum powder, the transition metal is one or more of iron, copper and zinc, the monatomic antibacterial disinfectant transition metal is anchored in a monatomic form in defect sites on the surface of the carrier, and the mass ratio of the transition metal to the carrier in the monatomic antibacterial disinfectant is 1:10-1: 100.
4. The method of preparing a monoatomic antiseptic disinfectant hemostatic gauze of any one of claims 1 to 3, comprising the steps of:
1) carrying out ultrasonic and stirring mixing on the adhesive and deionized water;
2) adding monatomic antibacterial disinfectant, stirring and mixing to obtain the hemostatic;
3) coating the hemostatic obtained in the step 2) on absorbent gauze, and drying to obtain the monoatomic antibacterial disinfectant hemostatic gauze.
5. The method for preparing a monoatomic antiseptic disinfectant hemostatic gauze according to claim 4, wherein the stirring time in step 1) is 10-20 min.
6. The method for preparing a monoatomic antiseptic disinfectant hemostatic gauze according to claim 4, wherein the drying temperature in the step 3) is 50-70 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869264A (en) * | 2021-04-01 | 2021-06-01 | 联科华技术有限公司 | Medical protective facial mask of monatomic with antibiotic antiviral function |
| CN114053158A (en) * | 2021-11-15 | 2022-02-18 | 黄维滢 | Monoatomic material with antibacterial and anti-inflammatory effects and capable of promoting skin repair and preparation method and application thereof |
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| CN112869264A (en) * | 2021-04-01 | 2021-06-01 | 联科华技术有限公司 | Medical protective facial mask of monatomic with antibiotic antiviral function |
| CN114053158A (en) * | 2021-11-15 | 2022-02-18 | 黄维滢 | Monoatomic material with antibacterial and anti-inflammatory effects and capable of promoting skin repair and preparation method and application thereof |
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