Medical carbon fiber dressing for incontinence patients and preparation method of medical carbon fiber dressing

Abstract

The invention discloses a medical carbon fiber dressing for incontinence patients and a preparation method of the medical carbon fiber dressing, and belongs to the technical field of medical dressings. The dressing comprises an outer protective layer, a central core body layer, an adhesive layer and a bottom layer. The central core body layer comprises a skin contact layer, a carbon fiber functional layer, an SAF fiber absorption layer, a fluff fiber absorption layer and a supporting layer which are sequentially compounded, the skin contact layer is made of a PE or PE-PP double-component material, the carbon fiber functional layer, the SAF fiber absorption layer and the fluff fiber absorption layer are all made of broken short fibers, and the supporting layer is made of non-woven fabric or long-fiber toilet paper; the central core body layer is formed by sequentially spraying broken fluff fibers, SAF fibers and carbon fibers to the supporting layer, then the skin contact layer covers the carbon fiber layer, and hot press forming is conducted through a hot press roller. The dressing disclosed by the invention has good effects of isolating odor, bacteria and liquid reflux, is large in liquid absorption amount, ensures that the surface of the dressing is dry and breathable, can resist rubbing and rolling, and is suitable for incontinence patients to use.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical dressings, in particular to a medical carbon fiber dressing for incontinent patients and a preparation method thereof. BACKGROUND

[0002] The existing medical carbon fiber dressing product mainly has the functions of deodorization, bacteriostasis, isolation of microorganisms and absorption of wound exudate, so as to promote rapid healing of the wound. However, the existing medical carbon dressing product is only suitable for absorbing wound exudate of patients, and has a small liquid absorption amount and a small area. For incontinent patients with incontinent dermatitis and pressure sore wounds, since the patients have incontinent conditions from time to time, the use of the existing medical carbon dressing can improve the odor problem caused by incontinence and absorb part of the urine. However, there are problems such as small absorption amount, small area, poor comfort of the skin contact part, black dirt pollution of the body and the like, which cannot guarantee a good skin microenvironment for incontinent patients, and thus affect the healing effect of the wound.

[0003] In order to solve the above problems, the present application provides a medical carbon fiber dressing for incontinent patients and a preparation method thereof, so that the dressing has a large liquid absorption amount, is dry and breathable, is resistant to rubbing, has natural bacteriostasis and odor absorption functions, effectively relieves the occurrence of incontinent dermatitis of incontinent patients and promotes the healing of pressure sore wounds, and protects the skin of the patients. SUMMARY

[0004] The present application provides a medical carbon fiber dressing for incontinent patients, which has a large liquid absorption amount, is dry and breathable, is resistant to rubbing, has natural bacteriostasis and odor absorption functions, effectively relieves the occurrence of incontinent dermatitis of incontinent patients and promotes the healing of pressure sore wounds, and protects the skin of the patients, thereby overcoming the shortcomings of the existing medical carbon dressing.

[0005] To solve the above technical problems, the present application provides a medical carbon fiber dressing for incontinent patients, which comprises, from top to bottom, an outer protective layer, a central core layer, an adhesive layer and a bottom layer, wherein the outer protective layer and the bottom layer have the same size, the adhesive layer covers the bottom layer, and the central core layer has a smaller area than the bottom layer.

[0006] The central core layer comprises, in sequence, a skin contact layer, a carbon fiber functional layer, a SAF fiber absorption layer, a fluff fiber absorption layer and a support layer. The skin contact layer is made of PE or PE-PP bi-component material. The carbon fiber functional layer, the SAF fiber absorption layer and the fluff fiber absorption layer are all made of broken short fibers. The support layer is made of non-woven fabric or long-fiber toilet paper. The central core layer is formed by sequentially spraying broken fluff fibers, SAF fibers and carbon fibers onto the support layer, and then covering the skin contact layer on the carbon fiber layer and hot pressing by a hot roller.

[0007] Further improvement, the length of the broken carbon fiber is 0.1-4mm, the length of the SAF fiber is 0.5-8mm, and the length of the down fiber is 0.01-4mm; and the weight ratio of the carbon fiber, the SAF fiber and the down fiber is 10-40%:10-35%:50-80%.

[0008] Further improvement, the conveying channels for spraying the down fiber, the SAF fiber and the carbon fiber are all closed.

[0009] Further improvement, the conveying channel for conveying the SAF fiber adopts a conveying pipe with drying and heating effect.

[0010] Further improvement, the internal temperature of the conveying pipe with drying and heating effect is 40-60℃.

[0011] Further improvement, the liquid flow channel is provided in the skin contact layer by mechanical pressure hole or hot perforation, and the pore size of the liquid flow channel is 0.5-2mm.

[0012] Further improvement, the outer protective layer adopts silicone paper, anti-sticking paper or PET film material, and the bottom layer adopts hydrophilic and breathable non-woven fabric material.

[0013] As another improvement of the present application, the present application further provides a preparation method of the medical carbon fiber dressing for incontinent patients, and the method comprises the following steps:

[0014] S1. Preparing the skin contact layer, the carbon fiber functional layer, the SAF fiber absorbing layer, the down fiber absorbing layer and the support layer into a center core layer, and forming a roll material one;

[0015] S2. Preparing a roll material two of the release paper, the adhesive layer and the bottom layer;

[0016] S3. Cutting the roll material one into the required size, removing the release paper on the roll material two, placing the cut center core layer on the adhesive layer of the roll material two, laying the outer protective layer on the upper part of the skin contact layer of the center core layer, and cutting the final size according to the product size, thereby obtaining the medical carbon fiber dressing for incontinent patients.

[0017] Further improvement, the preparation method of the center core layer is as follows: the carbon fiber, the SAF fiber and the down fiber are broken into short fibers by a negative pressure adsorption breaking device, the broken down fiber, the SAF fiber and the carbon fiber are sprayed onto the support layer on the adsorption conveying device through the respective conveying pipes in sequence, the skin contact layer is covered on the carbon fiber layer, and the whole is hot-pressed into a shape by a hot-pressing roller;

[0018] The length of the broken carbon fiber is 0.1-4mm, the length of the SAF fiber is 0.5-8mm, the length of the down fiber is 0.01-4mm, and the weight ratio of the carbon fiber, the SAF fiber and the down fiber is 10-40%:10-35%:50-80%; the conveying channels of the three kinds of fibers are closed, and the SAF fiber conveying channel is provided with a drying heating mechanism to keep the internal temperature of the SAF fiber conveying channel at 40-60 DEG C.

[0019] The upper part of the wrapping layer preset on the adsorbing conveying device is sprayed with medical pressure-sensitive hot melt adhesive.

[0020] Further improvement, the skin contact layer is provided with liquid flow channels by mechanical pressure holes or thermal perforation, the pore size of the liquid flow channels is 0.5-2mm, and the skin contact layer is sprayed with medical pressure-sensitive hot melt adhesive on the side in contact with the carbon fiber layer before covering the carbon fiber layer.

[0021] After adopting the design, the present application has at least the following advantages:

[0022] The medical carbon fiber dressing for incontinent patients of the present application is improved by the central core layer, sequentially provided with a skin contact layer, a carbon fiber functional layer, a SAF fiber absorbing layer, a down fiber absorbing layer and a supporting layer, can have good odor, bacteria and liquid reflux isolation effect, ensure the dressing surface dry and breathable, also can resist rubbing and rolling, have large liquid absorption capacity, suitable for incontinent patients, can effectively relieve the incontinent patients from skin incontinence dermatitis and promote the healing of pressure sore wounds, protect the skin of the patients. Meanwhile, the problem of black carbon fiber color leakage and pollution of the skin and bedclothes of the patients can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, the following will be further described in detail in combination with the drawings and specific embodiments.

[0024] Figure 1 is an explosion structure schematic view of the medical carbon fiber dressing for incontinent patients of the present application. DETAILED DESCRIPTION

[0025] The exemplary embodiments of the present application will be described in greater detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application can be more thoroughly understood and the scope of the present application can be accurately conveyed to those skilled in the art.

[0026] Referring to the drawings Figure 1As shown, the medical carbon fiber dressing of the present embodiment comprises an outer protective layer 1, a central core layer 2, an adhesive layer 3 and a bottom layer 4 compounded in turn from top to bottom. Among them, the size of the outer protective layer 1 and the bottom layer 4 is the same, the adhesive layer 3 covers the bottom layer 4, and the area of the central core layer 2 is smaller than that of the bottom layer 4. In use, the outer protective layer 1 can be torn off, and the central core layer 2 is in direct contact with the patient's skin.

[0027] The outer protective layer 1 is made of silicone oil paper, anti-adhesion paper or PET film material with a basis weight of 15-40gsm, which has the functions of easy peeling and non-stick glue, and is used to protect the core functional materials below from being contaminated.

[0028] The central core layer 2 comprises a skin contact layer, a carbon fiber functional layer, a SAF fiber absorption layer, a fluff fiber absorption layer and a support layer compounded in turn. The skin contact layer is made of PE or PE-PP double-component material. The skin contact layer is provided with liquid flow channels by mechanical pressure hole or hot perforation, and the pore size of the liquid flow channels is 0.5-2mm. The PE or PE-PP double-component material is not easy to fall off and shed, is resistant to rubbing, and is suitable for use by incontinent patients.

[0029] The carbon fiber functional layer, the SAF fiber absorption layer and the fluff fiber absorption layer all use broken short fibers. The length of the broken carbon fiber is 0.1-4mm, the length of the SAF fiber is 0.5-8mm, and the length of the fluff fiber is 0.01-4mm. The weight ratio of carbon fiber, SAF fiber and fluff fiber is 10-40%:10-35%:50-80%. The support layer is made of non-woven fabric or long fiber toilet paper.

[0030] The central core layer 2 is formed by spraying broken fluff fiber, SAF fiber and carbon fiber on the support layer in turn, and then covering the skin contact layer on the carbon fiber layer, and then hot pressing by a hot roller. Moreover, the delivery channels for spraying fluff fiber, SAF fiber and carbon fiber are all closed and independent.

[0031] The central core layer 2 sets the carbon fiber layer above the SAF fiber absorption layer and the fluff fiber absorption layer, uses the directional water intake and water retention effect of the SAF fiber to make the carbon fiber layer better play the effects of blocking odor reflux, inhibiting bacteria, blocking bacteria reflux and blocking a large amount of liquid reflux. In addition, the upper part of the carbon fiber layer is provided with the skin contact layer, which can also solve the problem of carbon fiber leakage, and make the central core layer 2 have the effects of wear resistance and rubbing resistance.

[0032] The adhesive layer 3 is selected from existing silicon gel adhesive that can be repeatedly torn, such as German Wacker 2112A / B adhesive, which will not damage the skin surface and can also moisturize the skin. The formula ratio of A component and B component is 1:1; and the total coating amount is between 100-300gsm.

[0033] The bottom layer 4 is made of hydrophilic and breathable non-woven fabric material, which can maintain the skin microenvironment.

[0034] The preparation method of the medical carbon fiber dressing for incontinent patients described above specifically comprises the following steps:

[0035] S1. The skin contact layer, carbon fiber functional layer, SAF fiber absorption layer, fluff fiber absorption layer and support layer are pre-made into a center core layer, and a roll material one is formed.

[0036] The preparation method of the center core layer is as follows: the carbon fiber, SAF fiber and fluff fiber are respectively broken into short fibers by a negative pressure adsorption breaking device, then the broken fluff fiber, SAF fiber and carbon fiber are sprayed onto the support layer pre-set on the adsorption conveying device through respective conveying pipelines in turn, and then the skin contact layer is covered on the carbon fiber layer, and the whole is hot-pressed into a shape by a hot roller. The length of the broken carbon fiber is 0.1-4mm, the length of the broken SAF fiber is 0.5-8mm, and the length of the broken fluff fiber is 0.01-4mm. The weight ratio of the carbon fiber, SAF fiber and fluff fiber is 10-40%:10-35%:50-80%. The conveying channels of the three kinds of fibers are closed and independently conveyed. The SAF fiber conveying channel is provided with a drying heating mechanism to keep the internal temperature of the SAF fiber conveying channel at 40-60℃. The upper part of the wrapping layer pre-set on the adsorption conveying device is sprayed with medical pressure-sensitive hot melt adhesive.

[0037] The liquid flow channel of the skin contact layer is provided by mechanical pressure hole or hot perforation. The pore size of the liquid flow channel is 0.5-2mm. The side of the skin contact layer in contact with the carbon fiber layer is sprayed with medical pressure-sensitive hot melt adhesive before covering the carbon fiber layer.

[0038] S2. The roll material two of the release paper, adhesive layer and bottom layer is pre-made.

[0039] S3. The roll material is cut into the required size, the release paper on the roll material two is removed, the cut center core layer is placed on the adhesive layer of the roll material two, and then the outer protective layer is laid on the upper part of the skin contact layer of the center core layer. The final size is cut according to the size of the finished product, and the medical carbon fiber dressing for incontinent patients is obtained.

[0040] Example 1

[0041] The outer protective layer is made of silicone oil paper.

[0042] The skin contact layer adopts PE-PP double-component material, and liquid flow channels with a pore size of 0.5-2 mm are arranged on the skin contact layer; the weight ratio of carbon fibers, SAF fibers and fluff fibers is 10%:20%:70%; the support layer adopts non-woven fabric; and a roll one is prepared according to the S1 step in the above preparation method.

[0043] The adhesive layer selects German Wacker 2112A / B type silicone gel adhesive, and the bottom layer adopts hydrophilic and breathable non-woven fabric material; and a roll two is prepared according to the S2 step in the above preparation method.

[0044] The roll is cut into a neutral core layer with a size of 400 mm*500 mm, and a medical carbon fiber dressing product 1 is prepared according to the S3 step in the above preparation method.

[0045] Example 2

[0046] The outer protective layer adopts a PET film.

[0047] The skin contact layer adopts PE-PP double-component material, and liquid flow channels with a pore size of 0.5-2 mm are arranged on the skin contact layer; the weight ratio of carbon fibers, SAF fibers and fluff fibers is 15%:20%:65%; the support layer adopts non-woven fabric; and a roll one is prepared according to the S1 step in the above preparation method.

[0048] The adhesive layer selects German Wacker 2112A / B type silicone gel adhesive, and the bottom layer adopts hydrophilic and breathable non-woven fabric material; and a roll two is prepared according to the S2 step in the above preparation method.

[0049] The roll is cut into a neutral core layer with a size of 400 mm*500 mm, and a medical carbon fiber dressing product 2 is prepared according to the S3 step in the above preparation method.

[0050] Example 3

[0051] The medical carbon fiber dressing products 1 and 2 obtained above are subjected to deodorization performance detection. The specific test method adopts the detection tube method in GB / T33610.2 Textiles-Determination of Odour Abatement, and the concentration reduction rate of ammonia gas is tested. The gas chromatography method in GB / T33610.3 Textiles-Determination of Odour Abatement is adopted, and the concentration reduction rate of indole is tested. The water absorption ratio and liquid absorption amount of the medical carbon fiber dressing products 1 and 2 are determined. The results are as shown in Table 1.

[0052] Table 1 Deodorization performance and absorption performance detection results of medical carbon fiber dressing products 1 and 2

[0053]

[0054] From the above table, it can be seen that the medical carbon fiber dressing product prepared in the embodiment has good deodorization effect, the ammonia removal effect can reach more than 90%, the indole removal effect can reach more than 85%; and the water absorption ratio can reach 20 times, which is suitable for use by incontinent patients.

[0055] In addition, the antibacterial effect of the medical carbon fiber dressing product is also detected in the embodiment, and it is found that the inhibition rate of the medical carbon fiber dressing product to escherichia coli, staphylococcus aureus and candida albicans is greater than or equal to 99%, and the antibacterial effect is strong.

[0056] The preparation method of the medical carbon fiber dressing has simple production process, and the prepared medical carbon fiber dressing product has the performances of deodorization, large liquid absorption, dry and comfortable surface, and is also resistant to rubbing, and there is no pollution of carbon fiber leakage in the production and use process, which is clean and improves the user experience.

[0057] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, and those skilled in the art can make some simple modifications, equivalent changes or modifications by using the disclosed technical content, which falls within the protection scope of the present application.

Claims

1. A medical carbon fiber dressing for use by an incontinent patient, characterized in that, The outer protective layer, the central core layer, the adhesive layer and the bottom layer are sequentially compounded from top to bottom, wherein the outer protective layer and the bottom layer have the same size, the adhesive layer covers the bottom layer, and the central core layer has an area smaller than that of the bottom layer; The central core layer comprises a skin contact layer, a carbon fiber functional layer, a SAF fiber absorption layer, a fluff fiber absorption layer and a support layer which are sequentially compounded, the skin contact layer is made of PE or PE-PP double-component material, the carbon fiber functional layer, the SAF fiber absorption layer and the fluff fiber absorption layer are all made of broken short fibers, and the support layer is made of non-woven fabric or long-fiber toilet paper; the central core layer is formed by sequentially spraying broken fluff fibers, SAF fibers and carbon fibers onto the support layer, and then covering the skin contact layer on the carbon fiber layer, and then hot-pressing by a hot-pressing roller.

2. A medical carbon fibre dressing for incontinence sufferers according to claim 1 characterised in that, The length of the broken carbon fibers is 0.1-4 mm, the length of the SAF fibers is 0.5-8 mm, and the length of the fluff fibers is 0.01-4 mm; and the weight ratio of the carbon fibers, the SAF fibers and the fluff fibers is 10-40%:10-35%:50-80%.

3. A medical carbon fibre dressing for incontinence sufferers according to claim 2, characterised in that, The conveying channels for sequentially spraying the fluff fibers, the SAF fibers and the carbon fibers are all closed.

4. A medical carbon fibre dressing for incontinence sufferers according to claim 3, characterised in that, The conveying channel for conveying the SAF fibers is a conveying pipe with drying and heating effect.

5. A medical carbon fibre dressing for incontinence sufferers according to claim 4, characterised in that, The internal temperature of the conveying pipe with drying and heating effect is 40-60℃.

6. The medical carbon fiber dressing for incontinent patients according to claim 1, characterized by, The skin contact layer is provided with liquid flow channels by mechanical pressure holes or hot perforation, and the pore size of the liquid flow channels is 0.5-2 mm.

7. A medical carbon fibre dressing for incontinence sufferers according to claim 6, characterised in that, The outer protective layer is made of silicone paper, anti-sticking paper or PET film material, and the bottom layer is made of hydrophilic and breathable non-woven fabric material.

8. A method of manufacturing a medical carbon fiber dressing for incontinent patients according to any one of claims 1 to 7, characterized in that, The method comprises the following steps: S1. The skin contact layer, the carbon fiber functional layer, the SAF fiber absorption layer, the fluff fiber absorption layer and the support layer are pre-prepared into a central core layer to form a roll one; S2. A roll two is pre-prepared by a release paper, an adhesive layer and a bottom layer; S3. The roll one is cut into a required size, the release paper on the roll two is removed, the cut central core layer is placed on the adhesive layer of the roll two, the outer protective layer is laid on the upper part of the skin contact layer of the central core layer, and the final size is cut according to the product size, so that a medical carbon fiber dressing for incontinence patients is obtained.

9. The method for preparing the medical carbon fiber dressing for incontinence patients according to claim 8, characterized in that, The preparation method of the central core layer is as follows: the carbon fibers, the SAF fibers and the fluff fibers are respectively broken into short fibers by a negative pressure adsorption breaking device, the broken fluff fibers, the SAF fibers and the carbon fibers are sequentially sprayed onto the support layer pre-set on an adsorption conveying device through respective conveying pipelines, and then the skin contact layer is covered on the carbon fiber layer, and the whole is hot-pressed by a hot-pressing roller to form a whole; The length of the broken carbon fibers is 0.1-4 mm, the length of the SAF fibers is 0.5-8 mm, and the length of the fluff fibers is 0.01-4 mm; and the weight ratio of the carbon fibers, the SAF fibers and the fluff fibers is 10-40%:10-35%:50-80%. The conveying channels of the three kinds of fibers are closed, and the conveying channel of the SAF fibers has a drying and heating mechanism to keep the internal temperature of the conveying channel of the SAF fibers at 40-60℃. The upper part of the wrapping layer preset on the adsorbing conveying device is sprayed with medical pressure-sensitive hot melt adhesive.

10. The method for preparing the medical carbon fiber dressing for incontinence patients according to claim 9, characterized in that, The skin contact layer is provided with liquid flow channels by mechanical pressure holes or thermal perforation, the pore size of the liquid flow channels is 0.5-2mm, and the skin contact layer is sprayed with medical pressure-sensitive hot melt adhesive on the side in contact with the carbon fiber layer before covering the carbon fiber layer.

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