A medical detumescent dressing containing magnesium sulfate and its preparation method

Abstract

The present invention belongs to the field of medical technology, specifically relating to a medical detumescent dressing containing magnesium sulfate and its preparation method. The dressing comprises, from top to bottom, a gel-coated nonwoven fabric, gel-impregnated absorbent cotton, and release paper. The gel solution used in the gel-impregnated absorbent cotton comprises the following components, by weight percentage: 50% sulfate ore powder; 0.5% glycerin; 2.8% sodium carboxymethylcellulose; the balance being purified water. The present method is low-cost and, through prefabrication, solidifies the magnesium sulfate solution within the homogeneous dressing, addressing the problem of uneven solution concentration.

Description

Technical Field

[0001] The present invention relates to the field of medical technology, and in particular to a medical detumescent dressing containing magnesium sulfate and a preparation method thereof. Background Art

[0002] The description of the background technology in the present invention belongs to the related technology related to the present invention and is only used to illustrate and facilitate the understanding of the invention content of the present invention. It should not be understood that the applicant explicitly believes or infers that the applicant believes that it is the prior art of the present invention on the filing date of the first application.

[0003] Existing magnesium sulfate topical applications for swelling reduction require pre-prepared magnesium sulfate solution. Medical staff must first soak medical gauze in the solution and then secure it to the affected area. This existing technology has the following drawbacks: the process is cumbersome; the amount of magnesium sulfate solution is difficult to control, leading to spillage during application; securing the gauze requires the use of other consumables, resulting in high costs; and improper securing materials or techniques can cause discomfort to the patient. Summary of the Invention

[0004] The purpose of the embodiment of the present invention is to provide a medical detumescent dressing containing magnesium sulfate and a preparation method thereof. The method of the present invention is low-cost and solidifies the magnesium sulfate solution in a homogeneous dressing in a prefabricated form, thereby solving the problem of uneven solution concentration.

[0005] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0006] Sulfate ore powder 50%;

[0007] Glycerol 0.5%;

[0008] Sodium carboxymethylcellulose 2.8%;

[0009] The balance is purified water.

[0010] Furthermore, a porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper, and the porous collagen layer is obtained by infiltrating porous collagen with a gel solution;

[0011] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0012] Furthermore, the porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

[0013] Furthermore, the porous collagen has a fibrous structure in the direction of the layer, and the pores of the porous collagen are pores opened in a direction perpendicular to the layer.

[0014] A method for preparing a medical detumescent dressing containing magnesium sulfate comprises the following steps: solidifying a gel solution in absorbent cotton in a prefabricated form to obtain a gel-impregnated absorbent cotton, wherein the gel solution comprises the following components in terms of mass percentage:

[0015] Sulfate ore powder 50%;

[0016] Glycerol 0.5%;

[0017] Sodium carboxymethylcellulose 2.8%;

[0018] The balance is purified water;

[0019] Cover the surface of the gel-soaked absorbent cotton with isolation paper, and package for storage;

[0020] The nonwoven fabric is coated with glue to obtain the glue-coated nonwoven fabric, which is then packaged and stored.

[0021] Furthermore, the gel-infiltrated absorbent cotton comprises the following steps before infiltration:

[0022] Absorbent cotton with a porosity of 65-75% and absorbent cotton with a porosity of 45-50% are respectively taken and bonded together by point bonding; porous collagen is covered on the other side of the absorbent cotton with a porosity of 45-50%, and the gel-infiltrated absorbent cotton is soaked in a gel solution to obtain the gel-infiltrated absorbent cotton comprising a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer, wherein the first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer.

[0023] Furthermore, the porous collagen is fibrous, and small holes are punched in the fibrous porous collagen.

[0024] Furthermore, a layer of collagen balls is placed between the first gel-infiltrated absorbent cotton layer and the porous collagen, and the size of the collagen balls is controlled to be 80-100 nm by size exclusion method.

[0025] Furthermore, the adhesive-coated nonwoven fabric is provided with a strip portion that can be lifted up.

[0026] A method for using a medical detumescent dressing containing magnesium sulfate, wherein the medical detumescent dressing containing magnesium sulfate is prepared by the above-mentioned method, and comprises the following steps: tearing off the isolation paper, sticking the collagen layer to the skin, covering the collagen layer with a glue-coated non-woven fabric, pressing and adhering it to the skin, and after using for a period of time, opening the strip part and adding a gel solution.

[0027] The embodiments of the present invention have the following beneficial effects:

[0028] The magnesium sulfate solution is solidified in a homogeneous dressing in a prefabricated form to solve the problem of uneven solution concentration.

[0029] Through the form of gel, the magnesium sulfate content can be accurately controlled to ensure the detumescence effect, while also preventing overflow.

[0030] This product comes in individual packaging. To use, remove the gel and apply it to the affected area. Remove the release paper and place the gel-coated nonwoven over the dressing, gently pressing it against the skin. This is easy to use, and the use of medical nonwovens avoids allergies or discomfort caused by gauze fixation.

[0031] It is easy to use and simple to operate without the need to prepare magnesium sulfate separately. DETAILED DESCRIPTION

[0032] The present application will be further described below with reference to the embodiments.

[0033] To more clearly illustrate the embodiments of the present invention or technical solutions in the prior art, different "one embodiment" or "embodiment" in the following description do not necessarily refer to the same embodiment. Different embodiments may be replaced or combined. Those skilled in the art can also derive other implementation methods based on these embodiments without inventive effort.

[0034] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0035] Sulfate ore powder 50%;

[0036] Glycerol 0.5%;

[0037] Sodium carboxymethylcellulose 2.8%;

[0038] The balance is purified water.

[0039] In some embodiments of the present invention, a porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper, and the porous collagen layer is obtained by infiltrating porous collagen with a gel solution;

[0040] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0041] In some embodiments of the present invention, the porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

[0042] In some embodiments of the present invention, the porous collagen is a fibrous structure in the direction of the layer, and the pores of the porous collagen are pores opened in a direction perpendicular to the layer.

[0043] A method for preparing a medical detumescent dressing containing magnesium sulfate comprises the following steps: solidifying a gel solution in absorbent cotton in a prefabricated form to obtain a gel-impregnated absorbent cotton, wherein the gel solution comprises the following components in terms of mass percentage:

[0044] Sulfate ore powder 50%;

[0045] Glycerol 0.5%;

[0046] Sodium carboxymethylcellulose 2.8%;

[0047] The balance is purified water;

[0048] Cover the surface of the gel-soaked absorbent cotton with isolation paper, and package for storage;

[0049] The nonwoven fabric is coated with glue to obtain the glue-coated nonwoven fabric, which is then packaged and stored.

[0050] In some embodiments of the present invention, the gel-impregnated absorbent cotton comprises the following steps before impregnation:

[0051] Absorbent cotton with a porosity of 65-75% and absorbent cotton with a porosity of 45-50% are respectively taken and bonded together by point bonding; porous collagen is covered on the other side of the absorbent cotton with a porosity of 45-50%, and the gel-infiltrated absorbent cotton is soaked in a gel solution to obtain the gel-infiltrated absorbent cotton comprising a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer, wherein the first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer.

[0052] In some embodiments of the present invention, the porous collagen is in a fibrous shape, and small holes are punched in the fibrous porous collagen.

[0053] In some embodiments of the present invention, a layer of collagen balls is placed between the first gel-infiltrated absorbent cotton layer and the porous collagen, and the size of the collagen balls is controlled to be 80-100 nm by size exclusion method.

[0054] In some embodiments of the present invention, the adhesive-coated nonwoven fabric is provided with a liftable strip portion.

[0055] A method for using a medical detumescent dressing containing magnesium sulfate, wherein the medical detumescent dressing containing magnesium sulfate is prepared by the above-mentioned method, and comprises the following steps: tearing off the isolation paper, sticking the collagen layer to the skin, covering the collagen layer with a glue-coated non-woven fabric, pressing and adhering it to the skin, and after using for a period of time, opening the strip part and adding a gel solution.

[0056] Example 1

[0057] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0058] Sulfate ore powder 50%;

[0059] Glycerol 0.5%;

[0060] Sodium carboxymethylcellulose 2.8%;

[0061] The balance is purified water.

[0062] A porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper. The porous collagen layer is obtained by infiltrating porous collagen with a gel solution. The thickness of the collagen layer is 0.1 times the thickness of the gel-infiltrated absorbent cotton. The use of the collagen layer here can improve the comfort of use.

[0063] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0064] In addition to the advantages of the present invention described above, this embodiment also has the following advantages: the flow rates of the gel in the two layers of absorbent cotton with different porosities are different. First, the gel in the absorbent cotton with low porosity flows downward. Since the overall gel content decreases with time, the flow rate of the gel should be accelerated. At this time, the flow rate of the gel in the upper layer is relatively large, and it flows downward in time, so that the effect of the dressing can be maintained at a good level over time.

[0065] Example 2

[0066] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0067] Sulfate ore powder 50%;

[0068] Glycerol 0.5%;

[0069] Sodium carboxymethylcellulose 2.8%;

[0070] The balance is purified water.

[0071] A porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper. The porous collagen layer is obtained by infiltrating porous collagen with a gel solution. The thickness of the collagen layer is 0.1 times the thickness of the gel-infiltrated absorbent cotton. The use of the collagen layer here can improve the comfort of use.

[0072] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0073] In addition to the advantages of the present invention described above, this embodiment also has the following advantages: the flow rates of the gel in the two layers of absorbent cotton with different porosities are different. First, the gel in the absorbent cotton with low porosity flows downward. Since the overall gel content decreases with time, the flow rate of the gel should be accelerated. At this time, the flow rate of the gel in the upper layer is relatively large, and it flows downward in time, so that the effect of the dressing can be maintained at a good level over time.

[0074] In this embodiment, the porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

[0075] Example 3

[0076] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0077] Sulfate ore powder 50%;

[0078] Glycerol 0.5%;

[0079] Sodium carboxymethylcellulose 2.8%;

[0080] The balance is purified water.

[0081] A porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper. The porous collagen layer is obtained by infiltrating porous collagen with a gel solution. The thickness of the collagen layer is 0.1 times the thickness of the gel-infiltrated absorbent cotton. The use of the collagen layer here can improve the comfort of use.

[0082] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0083] In addition to the advantages of the present invention described above, this embodiment also has the following advantages: the flow rates of the gel in the two layers of absorbent cotton with different porosities are different. First, the gel in the absorbent cotton with low porosity flows downward. Since the overall gel content decreases with time, the flow rate of the gel should be accelerated. At this time, the flow rate of the gel in the upper layer is relatively large, and it flows downward in time, so that the effect of the dressing can be maintained at a good level over time.

[0084] In this embodiment, the porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

[0085] In this embodiment, the porous collagen has a fibrous structure in the direction of the layers, with the pores in the porous collagen being perpendicular to the layers. The pores serve two purposes: increasing breathability and allowing the gel to pass through quickly. The fibrous structure also has two advantages: it works in conjunction with the pores to increase breathability and ensures that the gel reaches the skin evenly.

[0086] Example 4

[0087] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0088] Sulfate ore powder 50%;

[0089] Glycerol 0.5%;

[0090] Sodium carboxymethylcellulose 2.8%;

[0091] The balance is purified water.

[0092] A porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper. The porous collagen layer is obtained by infiltrating porous collagen with a gel solution. The thickness of the collagen layer is 0.1 times the thickness of the gel-infiltrated absorbent cotton. The use of the collagen layer here can improve the comfort of use.

[0093] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0094] In addition to the advantages of the present invention described above, this embodiment also has the following advantages: the flow rates of the gel in the two layers of absorbent cotton with different porosities are different. First, the gel in the absorbent cotton with low porosity flows downward. Since the overall gel content decreases with time, the flow rate of the gel should be accelerated. At this time, the flow rate of the gel in the upper layer is relatively large, and it flows downward in time, so that the effect of the dressing can be maintained at a good level over time.

[0095] In this embodiment, the porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

[0096] In this embodiment, the porous collagen has a fibrous structure in the direction of the layers, with the pores in the porous collagen being perpendicular to the layers. The pores serve two purposes: increasing breathability and allowing the gel to pass through quickly. The fibrous structure also has two advantages: it works in conjunction with the pores to increase breathability and ensures that the gel reaches the skin evenly.

[0097] In this embodiment, a layer of collagen balls is placed between the first gel-infiltrated absorbent cotton layer and the porous collagen. The size of the collagen balls is controlled to be 80-100 nm by size exclusion method.

[0098] The advantage here is that it cooperates with the fibrous structure below to make the gel reach the skin more evenly, and of course it can also increase breathability to a certain extent.

[0099] Example 5

[0100] A medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage:

[0101] Sulfate ore powder 50%;

[0102] Glycerol 0.5%;

[0103] Sodium carboxymethylcellulose 2.8%;

[0104] The balance is purified water.

[0105] A porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper. The porous collagen layer is obtained by infiltrating porous collagen with a gel solution. The thickness of the collagen layer is 0.1 times the thickness of the gel-infiltrated absorbent cotton. The use of the collagen layer here can improve the comfort of use.

[0106] The gel-infiltrated absorbent cotton includes a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer. The first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer. The porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer.

[0107] In addition to the advantages of the present invention described above, this embodiment also has the following advantages: the flow rates of the gel in the two layers of absorbent cotton with different porosities are different. First, the gel in the absorbent cotton with low porosity flows downward. Since the overall gel content decreases with time, the flow rate of the gel should be accelerated. At this time, the flow rate of the gel in the upper layer is relatively large, and it flows downward in time, so that the effect of the dressing can be maintained at a good level over time.

[0108] In this embodiment, the porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

[0109] In this embodiment, the porous collagen has a fibrous structure in the direction of the layers, with the pores in the porous collagen being perpendicular to the layers. The pores serve two purposes: increasing breathability and allowing the gel to pass through quickly. The fibrous structure also has two advantages: it works in conjunction with the pores to increase breathability and ensures that the gel reaches the skin evenly.

[0110] In this embodiment, a layer of collagen balls is placed between the first gel-infiltrated absorbent cotton layer and the porous collagen. The size of the collagen balls is controlled to be 80-100 nm by size exclusion method.

[0111] The advantage here is that it cooperates with the fibrous structure below to make the gel reach the skin more evenly, and of course it can also increase breathability to a certain extent.

[0112] In this embodiment, the glue-coated nonwoven fabric is provided with a strip portion that can be lifted up. After a period of use, the strip portion is opened and the gel solution is added.

[0113] It should be noted that the above embodiments can be freely combined as needed. The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be included within the scope of protection of the present invention.

Claims

1. A medical detumescent dressing containing magnesium sulfate, characterized in that: The medical detumescent dressing containing magnesium sulfate comprises, from top to bottom, a glue-coated nonwoven fabric, gel-impregnated absorbent cotton, and isolation paper; the gel solution used in the gel-impregnated absorbent cotton comprises the following components in terms of mass percentage: Sulfate ore powder 50%; Glycerol 0.5%; Sodium carboxymethylcellulose 2.8%; The balance is purified water; A porous collagen layer is provided between the gel-infiltrated absorbent cotton and the isolation paper, and the porous collagen layer is obtained by infiltrating porous collagen with a gel solution; The gel-infiltrated absorbent cotton comprises a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer, wherein the first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer, and the porosity of the absorbent cotton used in the first gel-infiltrated absorbent cotton layer is greater than the porosity of the absorbent cotton used in the second gel-infiltrated absorbent cotton layer; The porosity of the absorbent cotton used in the first gel-impregnated absorbent cotton layer is 65-75%, and the porosity of the absorbent cotton used in the second gel-impregnated absorbent cotton layer is 45-50%.

2. The medical detumescent dressing containing magnesium sulfate according to claim 1, wherein The porous collagen is a fibrous structure in the direction of the layer, and the pores of the porous collagen are pores opened in a direction perpendicular to the layer.

3. A method for preparing a medical detumescent dressing containing magnesium sulfate, characterized in that: The method comprises the following steps: solidifying a gel solution in an absorbent cotton in a prefabricated form to obtain a gel-impregnated absorbent cotton, wherein the gel solution comprises the following components in terms of mass percentage: Sulfate ore powder 50%; Glycerol 0.5%; Sodium carboxymethylcellulose 2.8%; The balance is purified water; Cover the surface of the gel-soaked absorbent cotton with isolation paper, and package for storage; Applying glue on the nonwoven fabric to obtain the glue-coated nonwoven fabric, and packaging and storing the nonwoven fabric; The gel-infiltrated absorbent cotton comprises the following steps before infiltration: Absorbent cotton with a porosity of 65-75% and absorbent cotton with a porosity of 45-50% are respectively taken and bonded together by point bonding; porous collagen is covered on the other side of the absorbent cotton with a porosity of 45-50%, and the gel-infiltrated absorbent cotton is soaked in a gel solution to obtain the gel-infiltrated absorbent cotton comprising a first gel-infiltrated absorbent cotton layer and a second gel-infiltrated absorbent cotton layer, wherein the first gel-infiltrated absorbent cotton layer is located above the second gel-infiltrated absorbent cotton layer.

4. The method for preparing the medical detumescent dressing containing magnesium sulfate according to claim 3, wherein: The porous collagen is in a fibrous shape, and small holes are punched in the fibrous porous collagen.

5. The method for preparing the medical detumescent dressing containing magnesium sulfate according to claim 4, wherein: The glue-coated nonwoven fabric is provided with a strip-shaped portion that can be lifted up.