CN107898559B - Preparation method of high-strength medical bandage - Google Patents
Preparation method of high-strength medical bandage Download PDFInfo
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- CN107898559B CN107898559B CN201711135211.6A CN201711135211A CN107898559B CN 107898559 B CN107898559 B CN 107898559B CN 201711135211 A CN201711135211 A CN 201711135211A CN 107898559 B CN107898559 B CN 107898559B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00987—Apparatus or processes for manufacturing non-adhesive dressings or bandages
- A61F13/00991—Apparatus or processes for manufacturing non-adhesive dressings or bandages for treating webs, e.g. for moisturising, coating, impregnating or applying powder
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00987—Apparatus or processes for manufacturing non-adhesive dressings or bandages
- A61F13/00991—Apparatus or processes for manufacturing non-adhesive dressings or bandages for treating webs, e.g. for moisturising, coating, impregnating or applying powder
- A61F13/00995—Apparatus or processes for manufacturing non-adhesive dressings or bandages for treating webs, e.g. for moisturising, coating, impregnating or applying powder for mechanical treatments
-
- 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
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic 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
- A61L15/40—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing ingredients of undetermined constitution or reaction products thereof, e.g. plant or animal extracts
-
- 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
-
- 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
- A61L15/44—Medicaments
-
- 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
- A61L2300/104—Silver, e.g. silver sulfadiazine
-
- 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
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/21—Acids
-
- 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
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/30—Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera
-
- 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
- A61L2300/402—Anaestetics, analgesics, e.g. lidocaine
-
- 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
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Abstract
The invention belongs to the technical field of bandages, and particularly relates to a preparation method of a high-strength medical bandage, which comprises the following steps: (1) immersing the common non-woven medical bandage in a glucose solution for soaking, taking out the filtrate, freezing at constant temperature, taking out, and putting into a steamer for steam treatment; (2) preparing a treating agent; (3) soaking in the treating agent, taking out the filtering agent, performing pressure swing treatment, freezing in a freezing box at constant temperature, taking out, and drying to no water content; the dry breaking strength and the dry breaking elongation are remarkably improved, the elasticity and the strength of the bandage are effectively improved, the service performance of the bandage is effectively improved, the service life of the bandage is prolonged, the damage rate in the using process is reduced, the fixing and wrapping effects of the bandage are improved, sterilization and disinfection are effectively performed, breeding of germs and viruses in wounds is inhibited, rotting of the wounds is inhibited, swelling and pain are relieved, pain of users is relieved, rapid healing of the wounds is promoted, no side effect exists, the service performance of the bandage is effectively improved, and rapid rehabilitation of the wounded is promoted.
Description
Technical Field
The invention belongs to the technical field of bandages, and particularly relates to a preparation method of a high-strength medical bandage.
Background
The bandage is a typical product of medical textiles, can prevent wound from being injured again, properly adjusts the temperature and the humidity of the wound, reduces complications and prevents infection in the natural healing process, makes the wounded feel comfortable, and is necessary to maintain a sterile environment at the wound; however, the medical bandage in the prior art has low strength and is easy to break, so that the use performance is greatly reduced, the breakage rate is greatly improved, great invariance is brought to a user, and the use cost is improved; therefore, the problem to be solved at present is to invent a high-strength medical bandage to make up for the defects of the prior art.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a method for preparing a high-strength medical bandage.
The invention is realized by the following technical scheme:
a preparation method of a high-strength medical bandage comprises the following specific steps:
(1) immersing a common non-woven medical bandage in a 9-11% glucose solution by mass for 60-70 min, taking out the filtrate, freezing in a freezing box at the temperature of-11 to-9 ℃ for 70-80 min at constant temperature, taking out, and putting in a steamer for steam treatment to obtain a pretreated medical bandage;
(2) preparing a treating agent, mixing and crushing 15-17 parts by weight of paris polyphylla, 8-9 parts by weight of gallnut, 12-14 parts by weight of parasitic loranthus, 6-7 parts by weight of madder and 8-9 parts by weight of folium isatidis, putting the crushed mixture into 90-100 parts by weight of 47% -51% ethanol solution, boiling the mixture with slow fire, then continuing to boil with slow fire for 45-50 min, taking out the boiled mixture, cooling the cooled mixture, filtering the cooled mixture through 80-100-mesh filter cloth, taking filtrate, adding 4.2-4.8 parts by weight of sodium lignosulfonate, 6.3-6.7 parts by weight of sodium citrate, 1.2-1.4 parts by weight of proline and 1.7-1.9 parts by weight of silver nitrate, and stirring the mixture until the sodium lignosulfonate, the proline and the silver nitrate are dissolved to obtain the treating;
(3) immersing the pretreated medical bandage in the treating agent for 60-70 min, taking out the filtering agent, performing pressure-changing treatment, freezing in a freezing box at the temperature of-22 to-20 ℃ for 30-40 min at constant temperature, taking out, and drying at the temperature of 40-42 ℃ until no moisture exists, thereby obtaining the high-strength medical bandage.
As a further scheme of the invention: the steam treatment is carried out for 14-16 min at a constant temperature under the condition that the temperature is 81-83 ℃, the temperature is increased to 188-190 ℃ at the temperature increasing rate of 6-8 ℃/min for 28-30 min at the constant temperature, and the temperature is reduced to 111-113 ℃ at the temperature decreasing rate of 4-5 ℃/min for further 20-22 min at the constant temperature.
As a further scheme of the invention: the variable pressure treatment is carried out for 9-11 min under the condition that the pressure is 19-21 MPa, the pressure is increased to 72-74 MPa, the treatment is continued for 18-20 min, and the pressure is reduced to 26-28 MPa, and the treatment is continued for 26-28 min.
As a further scheme of the invention: the contents of paris polyphylla, Chinese gall, parasitic loranthus, madder and folium isatidis used in the invention are all calculated by dry weight.
The invention has the beneficial effects that: according to the preparation method of the high-strength medical bandage provided by the invention, the dry breaking strength and the dry breaking elongation of the prepared medical bandage are obviously improved, and the elasticity and the strength of the medical bandage are effectively improved, so that the use performance of the medical bandage is effectively improved, the service life of the medical bandage is prolonged, the damage rate in the use process is reduced, the fixing and wrapping effects of the medical bandage are improved, the medical bandage can also be effectively sterilized and sterilized, the breeding of germs and viruses of a wound is effectively inhibited, the rotting of the wound is inhibited, the swelling and pain are relieved, the pain of a user is relieved, the rapid healing of the wound is promoted, no side effect exists, the use performance of the bandage is effectively improved, and the.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
In the embodiment of the invention, a preparation method of a high-strength medical bandage comprises the following specific steps:
(1) immersing a common non-woven medical bandage in a 9% glucose solution by mass for 60min, taking out the filtrate, freezing in a freezing box at the temperature of-11 ℃ for 70min at constant temperature, taking out, and putting in a steamer for steam treatment to obtain a pretreated medical bandage;
(2) preparing a treating agent, mixing and crushing 15 parts by weight of paris polyphylla, 8 parts by weight of gallnut, 12 parts by weight of parasitic loranthus, 6 parts by weight of madder and 8 parts by weight of folium isatidis, putting the crushed mixture into 90 parts by weight of 47% ethanol solution by mass, boiling the mixture with slow fire, continuing to boil the mixture with slow fire for 45min, taking the mixture out, cooling the mixture, filtering the mixture through 80-mesh filter cloth, taking filtrate, adding 4.2 parts by weight of sodium lignosulfonate, 6 parts by weight of sodium citrate, 1.2 parts by weight of proline and 1.7 parts by weight of silver nitrate, and stirring the mixture until the mixture is dissolved to obtain the treating agent;
(3) immersing the pretreated medical bandage in the treating agent for 60min, taking out the filtering agent, performing pressure-variable treatment, freezing in a freezing box at-22 deg.C for 30min, taking out, and drying at 40 deg.C to no water content to obtain the high-strength medical bandage.
As a further scheme of the invention: the steam treatment is carried out for 14min at a constant temperature of 81 ℃, the temperature is increased to 188 ℃ at a temperature increasing rate of 6 ℃/min for 28min, the temperature is decreased to 111 ℃ at a temperature decreasing rate of 4 ℃/min, and the constant-temperature steam treatment is continued for 20 min.
As a further scheme of the invention: the pressure transformation treatment is carried out for 9min under the condition that the pressure is 19MPa, the pressure is increased to 72MPa, the treatment is continued for 18min, and the pressure is reduced to 26MPa, and the treatment is continued for 26 min.
Example 2
In the embodiment of the invention, a preparation method of a high-strength medical bandage comprises the following specific steps:
(1) immersing a common non-woven medical bandage in 10% glucose solution by mass for 65min, taking out the filtrate, freezing in a freezing box at the temperature of-10 ℃ for 75min at constant temperature, taking out, and putting in a steamer for steam treatment to obtain a pretreated medical bandage;
(2) preparing a treating agent, mixing and crushing 16 parts by weight of paris polyphylla, 8.5 parts by weight of Chinese gall, 13 parts by weight of parasitic loranthus, 6.5 parts by weight of madder and 8.5 parts by weight of folium isatidis, putting the crushed mixture into 95 parts by weight of 49% ethanol solution, boiling the mixture with slow fire, decocting the mixture for 48min with slow fire, taking the boiled mixture out, cooling the cooled mixture, filtering the mixture through 90-mesh filter cloth, taking filtrate, adding 4.5 parts by weight of sodium lignosulfonate, 6.5 parts by weight of sodium citrate, 1.3 parts by weight of proline and 1.8 parts by weight of silver nitrate, and stirring the mixture until the mixture is dissolved to obtain the treating agent;
(3) immersing the pretreated medical bandage in the treating agent for 65min, taking out the filtering agent, performing pressure-variable treatment, freezing in a freezing box at-21 deg.C for 35min, taking out, and drying at 41 deg.C to no water content to obtain the high-strength medical bandage.
As a further scheme of the invention: the steam treatment is carried out for 15min at a constant temperature under the condition that the temperature is 82 ℃, the temperature is increased to 189 ℃ at a heating rate of 7 ℃/min for 29min at a constant temperature, and the temperature is reduced to 112 ℃ at a cooling rate of 4.5 ℃/min for continuous constant-temperature steam treatment for 21 min.
As a further scheme of the invention: the pressure-changing treatment is carried out for 10min under the condition that the pressure is 20MPa, the pressure is increased to 73MPa, the treatment is continued for 19min, and the pressure is reduced to 27MPa, and the treatment is continued for 27 min.
Example 3
In the embodiment of the invention, a preparation method of a high-strength medical bandage comprises the following specific steps:
(1) immersing a common non-woven medical bandage in 11% glucose solution by mass for 70min, taking out the filtrate, freezing in a freezing box at the temperature of minus 9 ℃ for 80min at constant temperature, taking out, and putting in a steamer for steam treatment to obtain a pretreated medical bandage;
(2) preparing a treating agent, mixing and crushing 17 parts by weight of paris polyphylla, 9 parts by weight of gallnut, 14 parts by weight of parasitic loranthus, 7 parts by weight of madder and 9 parts by weight of folium isatidis, putting the crushed mixture into 100 parts by weight of 51% ethanol solution by mass, boiling the mixture with slow fire, then continuing to boil the mixture with slow fire for 50min, taking the boiled mixture out, cooling the cooled mixture, filtering the cooled mixture through 100-mesh filter cloth, taking filtrate, adding 4.8 parts by weight of sodium lignosulfonate, 6.7 parts by weight of sodium citrate, 1.4 parts by weight of proline and 1.9 parts by weight of silver nitrate, and stirring the mixture until the mixture is dissolved to obtain the treating agent;
(3) immersing the pretreated medical bandage in the treating agent for 70min, taking out the filtering agent, performing pressure-variable treatment, freezing in a freezing box at-20 deg.C for 40min, taking out, and drying at 42 deg.C to no water content to obtain the high-strength medical bandage.
As a further scheme of the invention: the steam treatment is carried out for 16min at the constant temperature of 83 ℃, the temperature is increased to 190 ℃ at the temperature increasing rate of 8 ℃/min for 30min at the constant temperature, and the temperature is reduced to 113 ℃ at the temperature decreasing rate of 5 ℃/min for continuing the steam treatment at the constant temperature for 22 min.
As a further scheme of the invention: the pressure-changing treatment is carried out for 11min under the condition that the pressure is 21MPa, the pressure is increased to 74MPa, the treatment is continued for 20min, and the pressure is reduced to 28MPa, and the treatment is continued for 28 min.
The high strength medical bandages prepared in the examples and the comparative general nonwoven medical bandages were subjected to performance tests, and the results of the tests are shown in table 1:
TABLE 1 comparative results of examples and comparative examples
| Dry breaking Strength (cN/dtex) | Elongation at Dry Break (%) | |
| Example 1 | 12.41 | 16.2 |
| Example 2 | 12.78 | 16.3 |
| Example 3 | 12.66 | 16.5 |
| Comparative example | 2.34 | 8.6 |
As can be seen from Table 1, the dry breaking strength and the dry breaking elongation of the high-strength medical bandage are obviously higher than those of the common non-woven medical bandage in the comparative example, so that the high-strength medical bandage has very high strength and effectively improves the service performance.
Claims (3)
1. A preparation method of a high-strength medical bandage is characterized by comprising the following specific steps:
(1) immersing a common non-woven medical bandage in a glucose solution with the mass fraction of 9% -11% for 60-70 min, taking out the filtrate, freezing in a freezing box with the temperature of-11 to-9 ℃ for 70-80 min at constant temperature, taking out, and putting in a steamer for steam treatment to obtain a pretreated medical bandage;
(2) preparing a treating agent, mixing and crushing 15-17 parts by weight of paris polyphylla, 8-9 parts by weight of gallnut, 12-14 parts by weight of parasitic loranthus, 6-7 parts by weight of madder and 8-9 parts by weight of folium isatidis, putting the crushed mixture into 90-100 parts by weight of 47% -51% ethanol solution, boiling the mixture with slow fire, then continuing to boil with slow fire for 45-50 min, taking out the boiled mixture, cooling the cooled mixture, filtering the cooled mixture through 80-100-mesh filter cloth, taking filtrate, adding 4.2-4.8 parts by weight of sodium lignosulfonate, 6.3-6.7 parts by weight of sodium citrate, 1.2-1.4 parts by weight of proline and 1.7-1.9 parts by weight of silver nitrate, and stirring the mixture until the sodium lignosulfonate, the proline and the silver nitrate are dissolved to obtain the treating;
(3) immersing the pretreated medical bandage in the treating agent for 60-70 min, taking out the filtering agent, performing pressure-changing treatment, freezing in a freezing box at the temperature of-22 to-20 ℃ for 30-40 min at constant temperature, taking out, and drying at the temperature of 40-42 ℃ until no moisture exists, thereby obtaining the high-strength medical bandage.
2. The preparation method of the high-strength medical bandage according to claim 1, wherein the steam treatment is performed for 14-16 min at a constant temperature of 81-83 ℃, the temperature is increased to 188-190 ℃ at a temperature increasing rate of 6-8 ℃/min for 28-30 min at a constant temperature, and the temperature is decreased to 111-113 ℃ at a temperature decreasing rate of 4-5 ℃/min for further 20-22 min at a constant temperature.
3. The preparation method of the high-strength medical bandage according to claim 1, wherein the pressure transformation treatment is carried out for 9-11 min under the condition that the pressure is 19-21 MPa, the treatment is continued for 18-20 min when the pressure is increased to 72-74 MPa, and the treatment is continued for 26-28 min when the pressure is reduced to 26-28 MPa.
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| CN104080487A (en) * | 2012-01-19 | 2014-10-01 | Cg生物技术有限公司 | Antimicrobial wound-covering material and method for manufacturing same |
| WO2016135344A1 (en) * | 2015-02-27 | 2016-09-01 | Green Impact Holding Ag | Textiles having antimicrobial properties |
| CN106012297A (en) * | 2016-06-30 | 2016-10-12 | 吉林大学 | Method for preparing medical complex fiber three-dimensional structure dressing |
| CN107345317A (en) * | 2017-06-03 | 2017-11-14 | 阜南县宏达工艺品厂 | A kind of processing method for lifting linden fiber crops knitting property |
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| CN104080487A (en) * | 2012-01-19 | 2014-10-01 | Cg生物技术有限公司 | Antimicrobial wound-covering material and method for manufacturing same |
| WO2016135344A1 (en) * | 2015-02-27 | 2016-09-01 | Green Impact Holding Ag | Textiles having antimicrobial properties |
| CN106012297A (en) * | 2016-06-30 | 2016-10-12 | 吉林大学 | Method for preparing medical complex fiber three-dimensional structure dressing |
| CN107345317A (en) * | 2017-06-03 | 2017-11-14 | 阜南县宏达工艺品厂 | A kind of processing method for lifting linden fiber crops knitting property |
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