CN112941697A - Slowly-degradable medical gauze and preparation process thereof - Google Patents
Slowly-degradable medical gauze and preparation process thereof Download PDFInfo
- Publication number
- CN112941697A CN112941697A CN202110004953.5A CN202110004953A CN112941697A CN 112941697 A CN112941697 A CN 112941697A CN 202110004953 A CN202110004953 A CN 202110004953A CN 112941697 A CN112941697 A CN 112941697A
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- Prior art keywords
- gauze
- gauze body
- polyglycolic acid
- soaking
- twisting
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- 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
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/12—Physical properties biodegradable
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/02—Bandages, dressings or absorbent pads
- D10B2509/022—Wound dressings
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a slowly-degradable medical gauze and a preparation process thereof, wherein the gauze comprises a gauze body which is woven by medical absorbable suture lines, and the preparation process comprises the following steps of: preparing polyglycolic acid fiber to obtain polyglycolic acid fiber; step two: preparing warps and wefts; step three: preparing a reinforcing line; step four: weaving, namely weaving the twisted warps and the twisted wefts, and weaving to manufacture a gauze body by adopting an air jet loom, wherein the step five is as follows: and step six, spraying a waterproof coating on the surface of the disinfected gauze body, weaving the gauze body by using a medical absorbable suture, wherein the medical absorbable suture has the characteristics of degradability and good biocompatibility, does not need to be frequently replaced when the wound is bound, is compatible with an affected part, and reduces the risk of infection.
Description
Technical Field
The invention relates to the technical field of medical gauze, in particular to slowly-degradable medical gauze and a preparation process thereof.
Background
Along with the development of society and the continuous progress of science and technology, the use of more and more equipment greatly reduces the labor intensity of people in production and life, simultaneously, the production of more and more new products plays a positive role in the production and life of people, and the mode of the production and life of people is improved, wherein, the cotton gauze plays an important role in medical users, the cotton product is taken as a natural cellulose fiber, the cotton product is deeply loved by people with excellent serviceability and becomes one of widely applied medical base materials with excellent affinity with human bodies, the medical cotton gauze is a widely used product at home and abroad, is used for cleaning skin or wound surfaces, absorbing body exudates in the operation process, being used together with wound surface nursing common medicines and supporting organs, tissues and the like in the operation process, and the medical cotton gauze produced by domestic enterprises is widely applied clinically, the social benefit and the economic benefit are obvious.
However, since the cotton gauze belongs to cotton fabrics and has no biocompatibility, the cotton gauze needs to be frequently replaced after explosion, which is very inconvenient, and therefore, the slowly degradable medical gauze and the preparation process thereof are provided.
Disclosure of Invention
The invention aims to provide a slowly degradable medical gauze to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a slowly degrade medical gauze, includes the gauze body, the gauze body adopts medical absorbable suture to work out.
Preferably, the absorbable suture is made of polyglycolic acid fibers.
Preferably, the gauze body is woven by warp and weft, the diameter of warp is greater than the diameter of weft, warp and weft are formed by polyglycolic acid fiber plying twisting respectively, polyglycolic acid fiber comprises a plurality of polyglycolic acid filament yarns.
Preferably, the polyglycolic acid filament yarn is wound with a network knot at a certain distance.
Preferably, reinforcing wires are woven at two ends of the gauze body, and the reinforcing wires are made of the polyglycolic acid fibers and the elastic fibers which are mutually wound.
Preferably, the gauze body is the multilayer setting, and the multilayer the both ends of gauze body are passed through the reinforced line is linked.
Preferably, the outer surface of the gauze body is provided with a waterproof coating.
A preparation process of slowly-degradable medical gauze comprises the following steps:
the method comprises the following steps: preparing polyglycolic acid fiber, primarily twisting polyglycolic acid filament yarn to obtain polyglycolic acid fiber, and performing straight twisting by using a straight twisting machine to obtain polyglycolic acid fiber;
step two: preparing warps and wefts, namely stranding and twisting the polyglycolic acid fibers prepared in the step one to prepare warps and wefts, and carrying out stranding and twisting by adopting a straight twisting machine;
step three: preparing a reinforcing line, namely stranding and twisting the polyglycolic acid fiber prepared in the step one and the elastic fiber to prepare the reinforcing line;
step four: weaving, namely weaving the twisted warps and the twisted wefts, manufacturing the woven yarns into a gauze body by using an air jet loom, and carrying out overlock treatment on the cloth edges by using the reinforcing lines prepared in the third step;
step five: performing disinfection treatment, namely placing the prepared gauze body in a soaking pool containing absolute ethyl alcohol, soaking, performing disinfection and sterilization treatment on the gauze body, wherein the soaking time is 85 minutes, and dehydrating the soaked gauze body by using dehydration equipment to remove a large amount of absolute ethyl alcohol remained on the gauze body; soaking the dehydrated gauze body by using sodium hydroxide, and dehydrating the soaked gauze body by using dehydration equipment to remove a large amount of alkaline water remained on the gauze body; dewatering the gauze body soaked in the caustic soda water, then putting the gauze body into hot water for soaking and washing to remove alkaline residues remained on the gauze body, and then dewatering by using dewatering equipment; putting the dehydrated gauze body into a soaking pool containing weak acid water for soaking, wherein the weak acid water mainly contains hydrogen chloride and acetic acid, the content of the hydrogen chloride is 8%, the content of the acetic acid is 5%, the weak acid water neutralizes alkaline matters in the gauze body until the acid-base neutralization is completed, the pH value is 7, and then dehydrating the cotton gauze with the degreasing agent by using dehydration equipment; soaking and washing the dehydrated gauze body by using hot water, and then carrying out antibacterial treatment on the gauze body by using an antibacterial integrated agent at the environmental temperature of 60-70 ℃, wherein the treatment time is 75 minutes; after the gauze body is subjected to antibacterial treatment, dewatering equipment is used for dewatering the gauze body, and then a dryer is used for drying the gauze body at the ambient temperature of 50 ℃.
And sixthly, spraying a waterproof coating on the surface of the sterilized gauze body.
Compared with the prior art, the invention has the beneficial effects that: the medical absorbable suture line has the characteristics of degradability and good biocompatibility, does not need to be frequently replaced when a wound is bound, can be compatible with an affected part, and reduces the risk of infection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the utility model provides a slowly degrade medical gauze, includes the gauze body, the gauze body adopts medical absorbable suture to weave and forms, and gauze form and structure are as good as common gauze on the market is the same.
In particular, there are many types of absorbable sutures, such as the sheep intestine of healthy animals, and the like, which are made using polyglycolic acid fibers, which is also known as polyglycolic acid, which is derived from an alpha-hydroxy acid, i.e., glycolic acid. Glycolic acid is produced in the metabolism process of normal human bodies, the polymer of glycolic acid is Polyglycolic acid (PGA), the Polyglycolic acid has a simple and regular linear molecular structure, is a simple linear aliphatic polyester, has high crystallinity, forms a crystalline polymer, has the crystallinity of 40-80 percent generally, has a melting point of about 225 ℃, is insoluble in common organic solvents and only soluble in strong polar organic solvents such as hexafluoroisopropanol, and is a synthetic polymer material with good biodegradability and biocompatibility. The application of polyglycolic acid mainly shows two aspects of biomedicine and ecology.
Specifically, the gauze body is woven by warp and weft and is formed, the diameter of warp is greater than the diameter of weft, when wrapping up, plays tensile and gathering together by warp, and weft mainly plays the effect of fixed warp, warp with weft is twisted by polyglycolic acid fiber plying respectively and is formed, polyglycolic acid fiber comprises a plurality of polyglycolic acid long silk threads.
Specifically, a network knot is mutually wound on the polyglycolic acid filament yarn at a certain distance, and the network knot forms a node, so that the polyglycolic acid filament yarn cannot be scattered, the friction is increased among the network knots, and the binding force of the polyglycolic acid fiber is increased.
Particularly, the reinforcing line has all been woven at the both ends of gauze body, the reinforcing line is by intertwine polyglycolic acid fibre and elastic fiber make, wrap the back, the reinforcing line at gauze body both ends is consolidated to the gauze body, and under the condition of gauze cladding medicine, the reinforcing line at both ends closely laminates with patient's skin, prevents that the medicine from flowing.
Particularly, the gauze body is the multilayer setting, and the multilayer the both ends of gauze body are passed through the anchor line is linked, increases the suitability of gauze body, makes its durable.
Particularly, the surface of gauze body is equipped with waterproof coating, wrapping the back, and waterproof coating prevents that outside liquid from producing the pollution to the gauze body, and after the gauze body is compatible with patient's skin and degrades, waterproof coating links into a whole, can wholly reveal, adopts ventilative water-proof membrane here, and the surface is equipped with the micropore, when can supplying the air to pass through, has waterproof function.
A preparation process of slowly-degradable medical gauze comprises the following steps:
the method comprises the following steps: preparing polyglycolic acid fiber, primarily twisting polyglycolic acid filament yarn to obtain polyglycolic acid fiber, and performing straight twisting by using a straight twisting machine to obtain polyglycolic acid fiber;
step two: preparing warps and wefts, namely stranding and twisting the polyglycolic acid fibers prepared in the step one to prepare warps and wefts, and carrying out stranding and twisting by adopting a straight twisting machine;
step three: preparing a reinforcing line, namely stranding and twisting the polyglycolic acid fiber prepared in the step one and the elastic fiber to prepare the reinforcing line;
step four: weaving, namely weaving the twisted warps and the twisted wefts, manufacturing the woven gauze body by using an air jet loom, performing overlocking treatment on the selvedge by using the reinforcing wire prepared in the third step, and adopting a forward and reverse twisting weaving process, wherein the twisted warps and the twisted wefts are respectively subjected to forward twisting and reverse twisting, the adjacent warps are respectively arranged in a forward twisting and reverse twisting arrangement mode, and the wefts are also arranged in a forward twisting and reverse twisting arrangement mode;
step five: performing disinfection treatment, namely placing the prepared gauze body in a soaking pool containing absolute ethyl alcohol, soaking, performing disinfection and sterilization treatment on the gauze body, wherein the soaking time is 85 minutes, and dehydrating the soaked gauze body by using dehydration equipment to remove a large amount of absolute ethyl alcohol remained on the gauze body; soaking the dehydrated gauze body by using sodium hydroxide, and dehydrating the soaked gauze body by using dehydration equipment to remove a large amount of alkaline water remained on the gauze body; dewatering the gauze body soaked in the caustic soda water, then putting the gauze body into hot water for soaking and washing to remove alkaline residues remained on the gauze body, and then dewatering by using dewatering equipment; putting the dehydrated gauze body into a soaking pool containing weak acid water for soaking, wherein the weak acid water mainly contains hydrogen chloride and acetic acid, the content of the hydrogen chloride is 8%, the content of the acetic acid is 5%, the weak acid water neutralizes alkaline matters in the gauze body until the acid-base neutralization is completed, the pH value is 7, and then dehydrating the cotton gauze with the degreasing agent by using dehydration equipment; soaking and washing the dehydrated gauze body by using hot water, and then carrying out antibacterial treatment on the gauze body by using an antibacterial integrated agent at the environmental temperature of 60-70 ℃, wherein the treatment time is 75 minutes; after the gauze body is subjected to antibacterial treatment, dewatering equipment is used for dewatering the gauze body, and then a dryer is used for drying the gauze body at the ambient temperature of 50 ℃.
And sixthly, spraying a waterproof coating on the surface of the sterilized gauze body.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a slowly degrade medical gauze, includes the gauze body, its characterized in that: the gauze body is woven by medical absorbable suture lines.
2. The slow degrading medical gauze of claim 1, wherein: the absorbable suture is made of polyglycolic acid fibers.
3. The slow degrading medical gauze of claim 2, wherein: the gauze body is woven by warp and weft, the diameter of warp is greater than the diameter of weft, warp and weft are formed by polyglycolic acid fibre plying twisting respectively, polyglycolic acid fibre comprises a plurality of polyglycolic acid filament yarns.
4. The slow degrading medical gauze of claim 3, wherein: and a network knot is wound on the polyglycolic acid filament at a certain distance.
5. The slow degrading medical gauze according to any one of claims 1 to 4, wherein: reinforcing lines are woven at two ends of the gauze body and are made of the polyglycolic acid fibers and the elastic fibers which are mutually wound.
6. The slow degrading medical gauze of claim 5, wherein: the gauze body is the multilayer setting, and the multilayer the both ends of gauze body are passed through the anchor line is linked.
7. The slow degrading medical gauze according to any one of claims 1 to 4, wherein: the outer surface of the gauze body is provided with a waterproof coating.
8. A preparation process of slowly-degradable medical gauze is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: preparing polyglycolic acid fiber, primarily twisting polyglycolic acid filament yarn to obtain polyglycolic acid fiber, and performing straight twisting by using a straight twisting machine to obtain polyglycolic acid fiber;
step two: preparing warps and wefts, namely stranding and twisting the polyglycolic acid fibers prepared in the step one to prepare warps and wefts, and carrying out stranding and twisting by adopting a straight twisting machine;
step three: preparing a reinforcing line, namely stranding and twisting the polyglycolic acid fiber prepared in the step one and the elastic fiber to prepare the reinforcing line;
step four: weaving, namely weaving the twisted warps and the twisted wefts, manufacturing the woven yarns into a gauze body by using an air jet loom, and carrying out overlock treatment on the cloth edges by using the reinforcing lines prepared in the third step;
step five: performing disinfection treatment, namely placing the prepared gauze body in a soaking pool containing absolute ethyl alcohol, soaking, performing disinfection and sterilization treatment on the gauze body, wherein the soaking time is 85 minutes, and dehydrating the soaked gauze body by using dehydration equipment to remove a large amount of absolute ethyl alcohol remained on the gauze body; soaking the dehydrated gauze body by using sodium hydroxide, and dehydrating the soaked gauze body by using dehydration equipment to remove a large amount of alkaline water remained on the gauze body; dewatering the gauze body soaked in the caustic soda water, then putting the gauze body into hot water for soaking and washing to remove alkaline residues remained on the gauze body, and then dewatering by using dewatering equipment; putting the dehydrated gauze body into a soaking pool containing weak acid water for soaking, wherein the weak acid water mainly contains hydrogen chloride and acetic acid, the content of the hydrogen chloride is 8%, the content of the acetic acid is 5%, the weak acid water neutralizes alkaline matters in the gauze body until the acid-base neutralization is completed, the pH value is 7, and then dehydrating the cotton gauze with the degreasing agent by using dehydration equipment; soaking and washing the dehydrated gauze body by using hot water, and then carrying out antibacterial treatment on the gauze body by using an antibacterial integrated agent at the environmental temperature of 60-70 ℃, wherein the treatment time is 75 minutes; after the gauze body is subjected to antibacterial treatment, dewatering equipment is used for dewatering the gauze body, and then a dryer is used for drying the gauze body at the ambient temperature of 50 ℃.
And sixthly, spraying a waterproof coating on the surface of the sterilized gauze body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004953.5A CN112941697A (en) | 2021-01-04 | 2021-01-04 | Slowly-degradable medical gauze and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004953.5A CN112941697A (en) | 2021-01-04 | 2021-01-04 | Slowly-degradable medical gauze and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112941697A true CN112941697A (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110004953.5A Pending CN112941697A (en) | 2021-01-04 | 2021-01-04 | Slowly-degradable medical gauze and preparation process thereof |
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| Country | Link |
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| CN (1) | CN112941697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862939A (en) * | 2021-09-30 | 2021-12-31 | 海西纺织新材料工业技术晋江研究院 | Cleaning method and cleaning system for human body absorbable medical knitted fabric |
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| CN200987733Y (en) * | 2006-09-15 | 2007-12-12 | 中国人民解放军总医院 | Bandage for abdominal substantive visceral organ dressing |
| JP2007330425A (en) * | 2006-06-14 | 2007-12-27 | Osaki Medical Co Ltd | Gauze with x-ray contrast medium thread |
| CN201912317U (en) * | 2010-11-04 | 2011-08-03 | 贾文波 | Gauze for surgery |
| CN203427376U (en) * | 2013-06-14 | 2014-02-12 | 海泰纺织（苏州）有限公司 | Improved type breathable cloth |
| CN108330681A (en) * | 2017-12-25 | 2018-07-27 | 江苏天章医用卫生新材料股份有限公司 | A kind of medical cotton gauze preparation process and method |
| CN210843811U (en) * | 2019-08-23 | 2020-06-26 | 云南省第二人民医院 | Incision dressing |
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2021
- 2021-01-04 CN CN202110004953.5A patent/CN112941697A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007330425A (en) * | 2006-06-14 | 2007-12-27 | Osaki Medical Co Ltd | Gauze with x-ray contrast medium thread |
| CN200987733Y (en) * | 2006-09-15 | 2007-12-12 | 中国人民解放军总医院 | Bandage for abdominal substantive visceral organ dressing |
| CN201912317U (en) * | 2010-11-04 | 2011-08-03 | 贾文波 | Gauze for surgery |
| CN203427376U (en) * | 2013-06-14 | 2014-02-12 | 海泰纺织（苏州）有限公司 | Improved type breathable cloth |
| CN108330681A (en) * | 2017-12-25 | 2018-07-27 | 江苏天章医用卫生新材料股份有限公司 | A kind of medical cotton gauze preparation process and method |
| CN210843811U (en) * | 2019-08-23 | 2020-06-26 | 云南省第二人民医院 | Incision dressing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113862939A (en) * | 2021-09-30 | 2021-12-31 | 海西纺织新材料工业技术晋江研究院 | Cleaning method and cleaning system for human body absorbable medical knitted fabric |
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Application publication date: 20210611 |