Reusable medical biological protective clothing

Through the design of graphene composite fabric, the problem of performance degradation of traditional disposable protective clothing after disinfection is solved, and a reusable medical bioprotective clothing is provided, ensuring efficient antibacterial, antivirus and waterproof performance, reducing the Resources are wasted and the safety of medical staff is guaranteed.

CN222129459UActive Publication Date: 2024-12-10THE QUARTERMASTER RES INST OF THE GENERAL LOGISTICS DEPT OF THE CPLA
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Patent Information

Application Number
CN202323492316.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-20
Publication Date
2024-12-10
Estimated Expiration
2033-12-20

AI Technical Summary

Technical Problem

Traditional disposable protective clothing will destroy its protective performance after disinfection or cleaning and will not be reused, resulting in waste of resources and safety hazards. Especially for medical staff, there is a lack of reusable medical bioprotective clothing.

Method used

Medical bioprotective clothing designed with graphene composite fabrics, including surface antibacterial and antivirus protective fabrics, intermediate layer high moisture permeability and high barrier virus protective films, and inner layer antibacterial and moisture absorption and quick-drying fabrics. Through specific structure and material combination and treatment technology, Ensure that garments maintain efficient protection when reused.

Benefits of technology

It has achieved high standards of antibacterial, antivirus, waterproof and filtration efficiency after 10 reuses, ensuring the safety of medical staff and reducing resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of biological protection. The utility model provides a reusable medical biological protective suit. The reusable medical biological protective suit comprises a medical biological protective suit main body, the medical biological protective clothing main body is made of graphene composite fabric; the graphene composite fabric comprises a surface-layer antibacterial and anti-virus protective fabric, a middle-layer high-moisture-permeability and high-barrier virus protective film and an inner-layer antibacterial, moisture-absorbing and quick-drying fabric, the upper surface and the lower surface of the middle layer high-moisture-permeability high-barrier virus protective film are both glued and are respectively bonded with the surface layer antibacterial and anti-virus protective fabric and the inner layer antibacterial, moisture-absorbing and quick-drying fabric. The utility model aims to solve the problem that most medical protective garments are disposable, so that resources are wasted.
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Description

Technical Field

[0001] The utility model belongs to the field of biological protection, and in particular relates to a reusable medical biological protection suit. Background Art

[0002] Traditional disposable protective clothing is made of PP non-woven fabric and PE film, which can only be used once. Once disinfected or washed, the protective performance of the disposable protective clothing will be destroyed, and the safety of the user cannot be guaranteed. Therefore, the protective clothing can only be replaced with a new one after wearing it for a certain period of time, resulting in waste of protective clothing. Therefore, there is an urgent need for a protective clothing that can be repeatedly disinfected and reused, which can save a lot of protective clothing and ensure that front-line medical staff have sufficient protective clothing. Utility Model Content

[0003] The utility model provides a reusable medical biological protective clothing, which is used to solve the problem that most of the current medical protective clothing are disposable, resulting in waste of resources.

[0004] The utility model provides a reusable medical biological protective clothing, comprising: a medical biological protective clothing main body; the medical biological protective clothing main body is a graphene composite fabric; the graphene composite fabric comprises a surface antibacterial and antiviral protective fabric, an intermediate layer of high moisture permeability and high barrier virus protective film and an inner layer of antibacterial moisture absorption and quick-drying fabric; the upper surface and the lower surface of the intermediate layer of high moisture permeability and high barrier virus protective film are both glued, and are respectively bonded to the surface antibacterial and antiviral protective fabric and the inner layer of antibacterial moisture absorption and quick-drying fabric.

[0005] Further,

[0006] The surface antibacterial and antiviral protective fabric is a four-way stretch protective fabric or an elastic fabric; the four-way stretch protective fabric is woven from core-spun yarn and conductive fibers; the core-spun yarn includes nylon fibers and elastic fibers; the elastic fabric is woven from nylon fibers and conductive fibers.

[0007] Furthermore, the surface of the surface antibacterial and antiviral protective fabric is covered with a nano-scale super-hydrophobic film.

[0008] Furthermore, the middle layer of high moisture permeability and high barrier virus protection film is a PU microporous film with an asymmetric cavity structure; the middle of the PU microporous film is a cavity with a curved network structure that runs through the upper and lower surfaces, and a second antibacterial and antiviral agent is arranged inside the cavity.

[0009] Furthermore, the inner layer of antibacterial, moisture-absorbing and quick-drying fabric is an elastic fabric woven from graphene nylon fibers, an antibacterial treated 20D elastic gauze fabric, or an elastic gauze fabric with a silver-plated surface.

[0010] Furthermore, the gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the surface layer antibacterial and antiviral protective fabric is less than or equal to 800nm; the gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the inner layer antibacterial, moisture-absorbing and quick-drying fabric is 1 to 2μm.

[0011] Furthermore, the surface antibacterial and antiviral protective fabric has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-20%, and a grammage per square meter of 30-40g / m 2 The middle layer of high moisture permeability and high barrier virus protection film has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-20%, and a grammage per square meter of 10-20g / m 2 The inner antibacterial moisture-absorbing quick-drying fabric has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-15%, and a gram weight per square meter of less than or equal to 20g / m 2 .

[0012] Furthermore, the reusable medical biological protective clothing also includes a protective clothing sealing strip; the protective clothing sealing strip is one of modified polyurethane, EPDM rubber, silicone rubber and epoxy glue.

[0013] Furthermore, the main body of the medical biological protective clothing is a stand-up collar and hooded structure, the front placket is a visible placket zipper structure, Velcro is provided on one side of the collar placket, the collar, cuffs and leg openings are all elastic, and the back waist is a retractable and foldable structure.

[0014] Compared with the prior art, the utility model provides a reusable medical protective clothing. The reusable medical biological protective clothing provided by the utility model has a three-layer structure of a surface antibacterial and antiviral protective fabric, a middle layer of high moisture permeability and high barrier virus protective film, and an inner layer of antibacterial moisture absorption and quick-drying fabric. It has excellent antibacterial and antiviral functions and good surface wear resistance. According to WS 310.2-2016 Hospital Disinfection Supply Center Part 2: Cleaning, Disinfection and Sterilization Technical Operation Specifications 5.8.1 Pressure steam sterilization and exhaust sterilization method, 121°C, sterilization for 30 minutes, pressure range 102.8kPa ~ 122.9kPa. After repeated use for 10 times, its performance was tested, water repellency ≥ 20kPa, water contact ≥ 3 levels, filtration efficiency ≥ 90%, moisture permeability ≥ 6500g / m 2 24h, charge surface density ≤ 6.0μC / m 2 , antibacterial performance (Staphylococcus aureus, Candida albicans, Escherichia coli, Klebsiella pneumoniae) ≥ 90%, this application can still meet the standards when reused, thereby achieving the purpose of reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other embodiments can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A front view of a reusable medical biological protective clothing according to an embodiment of the utility model is shown;

[0017] Figure 2 A rear view of a reusable medical biological protective clothing according to an embodiment of the utility model is shown.

[0018] Description of reference numerals:

[0019] 1. The main body of the medical biological protective suit; 2. The back waist. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In this embodiment, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0022] It should be noted that when an element is referred to as being "fixed to", "disposed on" or "connected to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0023] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "mode", "specific mode", or "some modes" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or mode are included in at least one embodiment or mode of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or modes in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or modes described in this specification and the features of the different embodiments or modes, without contradiction.

[0024] The present application provides a reusable medical biological protective clothing, such as Figure 1 to Figure 2 As shown, it includes a medical biological protective clothing body 1.

[0025] The main body 1 of the medical biological protective clothing is a graphene composite fabric.

[0026] The graphene composite fabric includes a surface antibacterial and antiviral protective fabric, a middle layer of high moisture permeability and high barrier virus protection film, and an inner layer of antibacterial, moisture-absorbing and quick-drying fabric.

[0027] The upper and lower surfaces of the middle layer high moisture permeability and high barrier virus protection film are glued, and are respectively bonded to the surface antibacterial and antiviral protective fabric and the inner layer antibacterial moisture absorption and quick-drying fabric.

[0028] In a specific implementation, the main body 1 of the medical biological protective clothing is a graphene composite fabric, which is thin and soft. The graphene composite fabric is composed of a surface antibacterial and antiviral protective fabric, a middle layer high moisture permeability and high barrier virus protective film, and an inner layer antibacterial moisture absorption and quick-drying fabric from the outside to the inside. The upper and lower surfaces of the middle layer high moisture permeability and high barrier virus protective film are both glued, and are respectively bonded to the surface antibacterial and antiviral protective fabric and the inner layer antibacterial moisture absorption and quick-drying fabric to obtain the main body 1 of the medical biological protective clothing.

[0029] According to the implementation mode provided by the utility model, the surface antibacterial and antiviral protective fabric is a four-way stretch protective fabric or an elastic fabric.

[0030] The four-way stretch protective fabric is woven from core-spun yarn and conductive fiber. The core-spun yarn includes nylon fiber and elastic fiber. The nylon fiber contains graphene; the nylon fiber is obtained by melt blending and spinning of in-situ polymerized graphene masterbatch, nylon slices and a first antibacterial and antiviral agent. The first antibacterial and antiviral agent is an inorganic antibacterial agent.

[0031] The elastic fabric is woven from nylon fiber and conductive fiber, and the nylon fiber is DTY nylon fiber containing graphene.

[0032] It should be noted that the conductive fiber, elastic fiber, graphene masterbatch, nylon slice and the first antibacterial and antiviral agent are all conventional materials. The first antibacterial and antiviral agent is an inorganic antibacterial agent, which can be one of nano silver, copper ion compounds and zinc ion compounds.

[0033] According to the implementation mode provided by the utility model, the in-situ polymerized graphene masterbatch is modified graphene oxide.

[0034] According to the implementation mode provided by the utility model, the surface of the surface antibacterial and antiviral protective fabric is covered with a nano-scale super-hydrophobic film.

[0035] It should be noted that the surface antibacterial and antiviral protective fabric must first be irradiated with electron beams to etch the fiber surface of the graphene nylon fabric to form a rough structure at the micro-nano scale, and then plasma treated in a fluorinated silane atmosphere to form a layer of nano-scale super-hydrophobic film on the rough surface at the micro-nano scale, so that the surface of the fabric has waterproof and oil-proof effects, which can effectively reduce the adhesion of saliva, body fluids and blood.

[0036] According to the embodiment provided by the utility model, the middle layer of high moisture permeability and high barrier virus protection film is a PU microporous film with an asymmetric cavity structure.

[0037] The middle of the PU microporous membrane is a cavity with a curved network structure that runs through the upper and lower surfaces, and a second antibacterial and antiviral agent is arranged inside the cavity.

[0038] It should be noted that the cavity size is 2 to 9 μm, preferably, the cavity size is 4 μm, and a second antibacterial and antiviral agent is arranged inside the cavity to intercept and disinfect bacteria and viruses that penetrate the surface antibacterial and antiviral protective fabric and the surface gaps of the middle layer high moisture permeability and high barrier virus protection film. The second antibacterial and antiviral agent is a multi-aperture antibacterial and antiviral agent with a size of 0.5 to 1.5 μm, preferably, a size of 1 μm. The middle layer high moisture permeability and high barrier virus protection film has a thickness of 40 to 50 μm, preferably, the thickness of the film is 40 μm.

[0039] According to the implementation mode provided by the utility model, the inner layer of antibacterial, moisture-absorbing and quick-drying fabric is an elastic fabric woven from graphene nylon fibers, an antibacterial treated 20D elastic gauze fabric, or an elastic gauze fabric with a silver-plated surface.

[0040] It should be noted that the inner layer of antibacterial, moisture-absorbing and quick-drying fabric is a conventional material, the elastic fabric woven from graphene nylon fiber, the antibacterial treated 20D elastic gauze fabric and the elastic gauze fabric with silver-plated surface are all conventional materials.

[0041] According to the embodiment provided by the utility model, the gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the surface layer antibacterial and antiviral protective fabric is less than or equal to 800nm. The gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the inner layer antibacterial moisture absorption and quick-drying fabric is 1-2μm, preferably, the gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the inner layer antibacterial moisture absorption and quick-drying fabric is 1μm.

[0042] According to the embodiment provided by the utility model, the surface antibacterial and antiviral protective fabric has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-20%, and a gram weight of 30-40 g / m2. 2 Preferably, the surface antibacterial and antiviral protective fabric has a warp elastic recovery rate of 12%, a weft elastic recovery rate of 15%, and a grammage per square meter of 35g / m 2 .

[0043] The middle layer of high moisture permeability and high barrier virus protection film has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-20%, and a grammage per square meter of 10-20g / m 2 Preferably, the middle layer of high moisture permeability and high barrier virus protection film has a warp elastic recovery rate of 15%, a weft elastic recovery rate of 15%, and a grammage per square meter of 18g / m 2 .

[0044] The inner layer of antibacterial, moisture-absorbing and quick-drying fabric has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-15%, and a gram weight per square meter of less than or equal to 20g / m 2 Preferably, the inner layer of antibacterial, moisture-absorbing and quick-drying fabric has a warp elastic recovery rate of 15% and a weft elastic recovery rate of 15%.

[0045] According to the embodiment provided by the utility model, the reusable medical biological protective clothing also includes a protective clothing sealing strip. The protective clothing sealing strip is one of modified polyurethane, EPDM rubber, silicone rubber and epoxy glue.

[0046] It should be noted that the sealing strip of protective clothing is a kind of modified polyurethane, EPDM rubber, silicone rubber and epoxy glue, which can be treated at 130°C for 3 hours without affecting the bonding strength and sealing of the sealing strip.

[0047] According to the implementation mode provided by the utility model, the main body 1 of the medical biological protective clothing is a stand-up collar and hood structure, the front placket is a visible placket zipper structure, Velcro is provided on one side of the collar placket, the collar, cuffs and leg openings are all elastic, and the back waist 2 is a retractable and foldable structure.

[0048] It should be noted that the front placket of the main body 1 of the medical biological protective clothing is a visible placket zipper structure, the placket extends to the collar, and a Velcro is provided on one side of the collar placket for bonding and fixing. The collar, cuffs and leg openings of the main body 1 of the medical biological protective clothing are elastic, which can effectively block harmful viruses. The main body 1 of the medical biological protective clothing is provided with a multifunctional flap patch pocket on the left side of the chest for convenient pen insertion and recording, and the back waist 2 is a retractable folding structure for convenient operation by medical staff leaning forward or bending over.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A reusable medical biological protective clothing, characterized in that: Including the main body of medical biological protective clothing; The main body of the medical biological protective clothing is a graphene composite fabric; The graphene composite fabric comprises a surface layer of antibacterial and antiviral protective fabric, a middle layer of high moisture permeability and high barrier virus protective film, and an inner layer of antibacterial, moisture absorbing and quick-drying fabric; The upper surface and the lower surface of the middle layer high moisture permeability and high barrier virus protection film are both glued and respectively bonded to the surface antibacterial and antiviral protective fabric and the inner layer antibacterial, moisture-absorbing and quick-drying fabric.

2. The reusable medical biological protective clothing according to claim 1, characterized in that: The surface antibacterial and antiviral protective fabric is a four-way stretch protective fabric or an elastic fabric; The four-way stretch protective fabric is woven from core-spun yarn and conductive fiber; the core-spun yarn includes nylon fiber and elastic fiber; The elastic fabric is woven from nylon fibers and conductive fibers.

3. The reusable medical biological protective clothing according to claim 1, characterized in that: The surface of the surface antibacterial and antiviral protective fabric is covered with a nano-scale super-hydrophobic film.

4. The reusable medical biological protective clothing according to claim 1, characterized in that: The middle layer of high moisture permeability and high barrier virus protection film is a PU microporous film with an asymmetric cavity structure; The middle of the PU microporous membrane is a cavity with a curved network structure that runs through the upper and lower surfaces, and a second antibacterial and antiviral agent is arranged inside the cavity.

5. The reusable medical biological protective clothing according to claim 1, characterized in that: The inner layer of antibacterial, moisture-absorbing and quick-drying fabric is an elastic fabric woven from graphene nylon fibers, an antibacterial treated 20D elastic gauze fabric or an elastic gauze fabric with a silver-plated surface.

6. The reusable medical biological protective clothing according to claim 1, characterized in that: The gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the surface layer antibacterial and antiviral protective fabric is less than or equal to 800nm; the gap size between the contact surface of the middle layer high moisture permeability and high barrier virus protection film and the inner layer antibacterial, moisture-absorbing and quick-drying fabric is 1 to 2μm.

7. The reusable medical biological protective clothing according to claim 1, characterized in that: The surface antibacterial and antiviral protective fabric has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-20%, and a grammage per square meter of 30-40g / m 2 ; The middle layer high moisture permeability and high barrier virus protection film has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-20%, and a grammage per square meter of 10-20g / m 2 ; The inner antibacterial moisture-absorbing quick-drying fabric has a warp elastic recovery rate of 5-15%, a weft elastic recovery rate of 5-15%, and a gram weight per square meter of less than or equal to 20g / m 2 .

8. The reusable medical biological protective clothing according to claim 1, characterized in that: It also includes a protective clothing sealing strip; the protective clothing sealing strip is one of modified polyurethane, EPDM rubber, silicone rubber and epoxy glue.

9. The reusable medical biological protective clothing according to any one of claims 1 to 8, characterized in that: The main body of the medical biological protective clothing is a stand-up collar and hood structure, the front placket is a visible placket zipper structure, Velcro is provided on one side of the collar placket, the collar, cuffs and leg openings are all elastic, and the back waist is a retractable foldable structure.

Citation Information

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