CN211855955U - Menstrual blood collection cotton sheet - Google Patents
Menstrual blood collection cotton sheet Download PDFInfo
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- CN211855955U CN211855955U CN201922495401.XU CN201922495401U CN211855955U CN 211855955 U CN211855955 U CN 211855955U CN 201922495401 U CN201922495401 U CN 201922495401U CN 211855955 U CN211855955 U CN 211855955U
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Abstract
The utility model discloses a menstrual blood collection cotton piece, which comprises a waterproof edge, and a bamboo fiber layer, a diversion layer, an antibacterial absorption layer and a waterproof breathable layer which are arranged in sequence; the lower part of the waterproof binding edge is hermetically connected with the waterproof breathable layer, the upper part of the waterproof binding edge is provided with an extension part covering the edge part of the bamboo fiber layer, and the extension part is connected with the bamboo fiber layer; the antibacterial absorption layer comprises a substrate made of a water-repellent material, an inwards concave containing cavity is formed in the substrate, a chitosan fiber net layer, a one-way moisture-conducting material layer and a cotton fiber layer are sequentially arranged in the containing cavity from top to bottom, and the water absorption surface of the one-way moisture-conducting material layer is arranged upwards; the waterproof binding is provided with a first tearing line corresponding to the cotton fiber layer, and the side part of the substrate is provided with a second tearing line corresponding to the first tearing line. The menstrual blood collecting cotton sheet can collect menstrual blood in vitro, has low operation difficulty and high acceptance of a collector, has excellent antibacterial effect and biocompatibility, and is easy to separate the collected menstrual blood.
Description
Technical Field
The utility model relates to the technical field of medical supplies, especially, relate to a menstrual blood collection cotton piece.
Background
With the development of the research field of regenerative medicine, scientists have studied to isolate adult stem cells of different tissue sources of the human body and use them for tissue repair and regeneration. Since the end of the 90 s, after many adult stem cells were found, a new adult stem cell was identified and isolated in menstrual blood. The endometrium stem cell is derived from endometrium, is endometrium desquamation tissue of a woman in menstrual period, and mainly comprises endometrium functional layer tissue. The stem cells derived from menstrual blood have high self-renewal capacity and multidirectional differentiation potential and can be successfully differentiated into mesodermal, ectodermal and endodermal cells in vitro through a plurality of identification experiments. The endometrial stem cells have strong proliferation capacity and are easy to be greatly amplified so as to meet the clinical requirement. Some preclinical data show that hematopoietic stem cells have better safety and efficacy in some animal disease models. The endometrial stem cells can be obtained from women of all childbearing ages conveniently and safely, so that the endometrial stem cells have great application prospect in tissue engineering repair and treatment of various diseases as a new stem cell source.
However, in the prior art, a strip-shaped cotton stick is generally adopted when collecting menstrual blood, and the cotton stick is directly placed in the vagina of a woman to absorb the menstrual blood, so that the purpose of collecting the menstrual blood is achieved. However, this collection method is difficult for the recipient, and can injure the vagina with some carelessness, and is easy to generate the psychological conflict for the recipient, and the compliance is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the shortcoming and not enough that exist among the above-mentioned prior art, provide a menstrual blood collection cotton piece. This menstrual blood collection cotton sheet can gather the menstrual blood in vitro, and the operation degree of difficulty is low, and the recipient's acceptance level is high, and biocompatibility is good, can not destroy endometrial stem cell's activity, and has antibacterial action, prevents to breed the bacterium in the menstrual blood of gathering.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a menstrual blood collecting cotton sheet comprises a bamboo fiber layer, a flow guide layer, an antibacterial absorption layer, a waterproof breathable layer and a waterproof edge; the lower part of the waterproof binding edge is hermetically connected with the waterproof breathable layer, the upper part of the waterproof binding edge is provided with an extension part covering the edge part of the bamboo fiber layer, and the extension part is connected with the bamboo fiber layer; the flow guide layer is arranged below the bamboo fiber layer, the antibacterial absorption layer is arranged below the flow guide layer, the waterproof breathable layer is arranged below the antibacterial absorption layer, the bottom surface of the waterproof breathable layer is provided with a first adhesive layer, and a first release paper layer is arranged below the first adhesive layer; the antibacterial absorption layer comprises a substrate made of a water-repellent material, an inwards concave containing cavity is formed in the substrate, a unidirectional moisture-conducting material layer and a cotton fiber layer are arranged in the containing cavity, the unidirectional moisture-conducting material layer is arranged above the cotton fiber layer, a chitosan fiber net layer connected with the substrate is further arranged on the unidirectional moisture-conducting material layer, and the water absorption surface of the unidirectional moisture-conducting material layer is arranged upwards and is in contact with the chitosan fiber net layer; the waterproof binding edge is provided with a first tearing line corresponding to the cotton fiber layer, and the side part of the substrate is provided with a second tearing line corresponding to the first tearing line.
The utility model discloses regard as close skin layer with the bamboo fibrous layer, can improve user's comfort level. The bamboo fiber is cellulose fiber extracted from naturally growing bamboo, has good air permeability, instant water absorption, strong wear resistance, good dyeing property and other characteristics, and also has natural antibacterial, bacteriostatic, acarid removing, deodorizing and ultraviolet resisting functions.
The chitosan fiber net layer is formed by needling chitosan fibers, the chitosan fibers are fibers prepared by removing acetyl from chitin through concentrated alkali treatment, have good antibacterial property, can effectively prevent bacteria from breeding, have good biocompatibility, and cannot influence the activity of endometrial stem cells.
Preferably, the cotton fiber layer is doped with nano titanium dioxide particles. The nanometer titanium dioxide has higher safety such as heat resistance, durability, no toxicity, no smell, no stimulation to skin and the like of the inorganic antibacterial material, also has excellent antibacterial effect which cannot be compared with the conventional inorganic antibacterial material, and can further effectively prevent the breeding of bacteria.
The one-way moisture-conducting material layer has a one-way moisture-conducting function, can rapidly guide the menstrual blood on the upper layer into the cotton fiber layer, and can prevent the menstrual blood in the cotton fiber layer from reversely permeating. The cotton fiber layer is made of cotton, has good hygroscopicity and air permeability, is soft in texture, and is used for collecting menstrual blood, so that the menstrual blood is easy to separate from the cotton fiber layer, and the endometrial stem cells can be conveniently extracted subsequently.
Preferably, the flow guide layer is made of hot air non-woven fabric, and longitudinal flow guide holes are formed in the flow guide layer. The hot-blast non-woven fabrics has good ventilative water permeability, and it is equipped with vertical water conservancy diversion hole, consequently can play the better vertical water conservancy diversion effect of effect, will fall into the menstrual blood water conservancy diversion of bamboo fibrous layer extremely in the antibiotic absorbed layer.
Preferably, the waterproof breathable layer is made of a HDPE film, a PE film or a PU film.
Preferably, the waterproof binding edge is made of the same material as the waterproof breathable layer, and the waterproof binding edge and the waterproof breathable layer are integrally connected. The waterproof breathable layer, the waterproof wrapping edges and the extension parts can effectively prevent menstrual blood from seeping outwards, and the sanitary napkin keeps good breathability and is free of stuffiness.
Preferably, the outside of waterproof bordure still is equipped with the flank, the bottom surface of flank is equipped with the second viscose layer, the below of second viscose layer is equipped with second release paper layer. When in use, the side wings can ensure that the sanitary napkin is more firmly adhered to the underwear of a person to be picked, so that the sanitary napkin is not easy to fall off or shift.
When collecting menstrual blood, a person to be collected firstly cleans private parts, then tears off the first release paper layer and the second release paper layer, fixes the menstrual blood collecting cotton piece on underpants by means of the first adhesive layer and the second adhesive layer, and the usage is similar to that of sanitary cotton. The specific acquisition process is as follows: the menstrual blood flows out from the vagina of the collector and falls into the bamboo fiber layer, and then is quickly guided into the antibacterial absorption layer by the diversion layer. When menstrual blood flows into the antibacterial absorption layer, the menstrual blood firstly flows into the chitosan fiber net layer, and then is quickly guided into the cotton fiber layer for storage through the unidirectional moisture-guiding material layer. The substrate made of the water-repellent material can effectively prevent the extravasation of the menstrual blood, and the unidirectional moisture-conducting material layer can also prevent the reverse osmosis of the menstrual blood. Waterproof ventilative layer and waterproof bordure can further prevent the menstrual blood exosmosis, and the menstrual blood is gathered the back that finishes, during the experiment sample, tears first tear line and second tear line through instruments such as clamps, forms the opening, then takes out cotton fiber, can obtain the menstrual blood sample with the menstrual blood separation of storage in the cotton fiber to carry out subsequent endometrium stem cell separation work.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a menstrual blood collection cotton piece can be in vitro collection menstrual blood, need not to intervene the human body, convenient to use, and the operation degree of difficulty is low, and the acceptance of person who receives the sample is high. The utility model discloses a cotton piece is gathered to menstrual blood has excellent antibacterial action and biocompatibility, can effectively prevent to breed the bacterium in the menstrual blood of gathering, can not destroy endometrium stem cell's activity, easily separates the menstrual blood of gathering.
Drawings
FIG. 1 is a schematic top view of a menstrual blood collection sheet according to the present invention;
fig. 2 is a schematic view of the longitudinal section structure of the menstrual blood collection cotton sheet of the present invention.
In the figure, a bamboo fiber layer 1, a flow guide layer 2, an antibacterial absorption layer 3, a waterproof breathable layer 4, a waterproof edge 5, an extension part 6, a first adhesive layer 7, a first release paper layer 8, a substrate 9, a one-way moisture guide material layer 10, a cotton fiber layer 11, a chitosan fiber net layer 12, a first tearing line 13, a second tearing line 14, a longitudinal flow guide hole 15, a side wing 16, a second adhesive layer 17 and a second release paper layer 18 are arranged.
Detailed Description
For better illustration of the objects, technical solutions and advantages of the present invention, the following description is further provided with reference to the accompanying drawings and examples. It should be understood that the examples are only for illustrating the technical effects of the present invention, and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 2, the menstrual blood collection cotton sheet of the present embodiment includes a bamboo fiber layer 1, a flow guide layer 2, an antibacterial absorption layer 3, a waterproof breathable layer 4, and a waterproof wrapping 5. In this embodiment, the waterproof wrapping 5 is made of the same material as the waterproof breathable layer 4, and the waterproof breathable layer 4 is made of an HDPE film, a PE film, or a PU film. The lower part of the waterproof binding 5 is integrally connected with the waterproof breathable layer 4, the upper part of the waterproof binding 5 is provided with an extension part 6 covering the edge part of the bamboo fiber layer 1, and the extension part 6 is in press bonding with the bamboo fiber layer 1.
In this embodiment, the below of bamboo fibrous layer 1 is located to water conservancy diversion layer 2, and the below of water conservancy diversion layer 2 is located to antibiotic absorbed layer 3, and antibiotic absorbed layer 3's below is located to waterproof ventilative layer 4, and the bottom surface of waterproof ventilative layer 4 is equipped with first viscose layer 7, and the below of first viscose layer 7 is equipped with first release paper layer 8.
In this embodiment, the antibacterial absorption layer 3 includes a substrate 9 made of a water-repellent material, and the substrate 9 is provided with a concave cavity. The one-way moisture-conducting material layer 10 and the cotton fiber layer 11 are arranged in the accommodating cavity, the one-way moisture-conducting material layer 10 is arranged above the cotton fiber layer 11, the one-way moisture-conducting material layer 10 is further provided with a chitosan fiber net layer 12 which is in press fit bonding with the substrate 9, and the water absorption surface of the one-way moisture-conducting material layer 10 is arranged upwards and is in contact with the chitosan fiber net layer 12.
The unidirectional moisture-guiding material layer 10 has a unidirectional moisture-guiding function, can quickly guide the menstrual blood on the upper layer into the cotton fiber layer 11, and can prevent the menstrual blood in the cotton fiber layer 11 from reversely permeating. The cotton fiber layer 11 is made of cotton, has good hygroscopicity and air permeability, is soft in texture, and is used for collecting menstrual blood, so that the menstrual blood is easy to separate from the menstrual blood, and the endometrial stem cells can be conveniently extracted subsequently. The chitosan fiber net layer 12 is formed by needling chitosan fibers, the chitosan fibers are fibers prepared by removing acetyl from chitin through concentrated alkali treatment, have good antibacterial property, can effectively prevent bacteria from breeding, have good biocompatibility, and cannot influence the activity of endometrial stem cells.
In this embodiment, the waterproof edge 5 is provided with a first tearing line 13 corresponding to the cotton fiber layer 11, and the lateral part of the substrate 9 is provided with a second tearing line 14 corresponding to the first tearing line 13. The cotton fiber layer 11 is doped with nano titanium dioxide particles, the nano titanium dioxide has higher safety such as heat resistance, durability, no toxicity, no smell, no stimulation to skin and the like of inorganic antibacterial materials, and also has excellent antibacterial effect which cannot be compared with conventional inorganic antibacterial materials, so that the breeding of bacteria can be further effectively prevented.
In this embodiment, the flow guiding layer 2 is made of hot air non-woven fabric, and the flow guiding layer 2 is provided with longitudinal flow guiding holes 15. The hot-air non-woven fabric has good air permeability and water permeability, and is provided with the longitudinal flow guide holes 15, so that a longitudinal flow guide effect with a good effect can be achieved, and menstrual blood falling into the bamboo fiber layer is guided to the antibacterial absorption layer.
In this embodiment, the outer side of the waterproof wrapping 5 is further provided with a side wing 16, the bottom surface of the side wing 16 is provided with a second adhesive layer 17, and a second release paper layer 18 is arranged below the second adhesive layer 17. In use, the side flaps 16 allow the tampon to be more securely attached to the wearer's undergarment so that it is less likely to fall or become dislodged.
When collecting menstrual blood, a person to be collected firstly cleans private parts, then tears off the first release paper layer and the second release paper layer, fixes the menstrual blood collecting cotton piece on underpants by means of the first adhesive layer and the second adhesive layer, and the usage is similar to that of sanitary cotton. The specific acquisition process is as follows: the menstrual blood flows out from the vagina of the collector and falls into the bamboo fiber layer, and then is quickly guided into the antibacterial absorption layer by the diversion layer. When menstrual blood flows into the antibacterial absorption layer, the menstrual blood firstly flows into the chitosan fiber net layer, and then is quickly guided into the cotton fiber layer for storage through the unidirectional moisture-guiding material layer. The substrate made of the water-repellent material can effectively prevent the extravasation of the menstrual blood, and the unidirectional moisture-conducting material layer can also prevent the reverse osmosis of the menstrual blood. Waterproof ventilative layer and waterproof bordure can further prevent the menstrual blood exosmosis, and the menstrual blood is gathered the back that finishes, during the experiment sample, tears first tear line and second tear line through instruments such as clamps, forms the opening, then takes out cotton fiber, can obtain the menstrual blood sample with the menstrual blood separation of storage in the cotton fiber to carry out subsequent endometrium stem cell separation work.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A menstrual blood collection cotton sheet is characterized by comprising a bamboo fiber layer, a flow guide layer, an antibacterial absorption layer, a waterproof breathable layer and a waterproof edge; the lower part of the waterproof binding edge is hermetically connected with the waterproof breathable layer, the upper part of the waterproof binding edge is provided with an extension part covering the edge part of the bamboo fiber layer, and the extension part is connected with the bamboo fiber layer; the flow guide layer is arranged below the bamboo fiber layer, the antibacterial absorption layer is arranged below the flow guide layer, the waterproof breathable layer is arranged below the antibacterial absorption layer, the bottom surface of the waterproof breathable layer is provided with a first adhesive layer, and a first release paper layer is arranged below the first adhesive layer; the antibacterial absorption layer comprises a substrate made of a water-repellent material, an inwards concave containing cavity is formed in the substrate, a unidirectional moisture-conducting material layer and a cotton fiber layer are arranged in the containing cavity, the unidirectional moisture-conducting material layer is arranged above the cotton fiber layer, a chitosan fiber net layer connected with the substrate is further arranged on the unidirectional moisture-conducting material layer, and the water absorption surface of the unidirectional moisture-conducting material layer is arranged upwards and is in contact with the chitosan fiber net layer; the waterproof binding edge is provided with a first tearing line corresponding to the cotton fiber layer, and the side part of the substrate is provided with a second tearing line corresponding to the first tearing line.
2. The menstrual blood-collecting cotton sheet according to claim 1, wherein the cotton fiber layer is doped with nano titanium dioxide particles.
3. The menstrual blood collection sheet according to claim 1, wherein the flow guide layer is made of a hot air non-woven fabric, and the flow guide layer is provided with longitudinal flow guide holes.
4. The menstrual blood-collecting cotton sheet according to claim 1, wherein the waterproof breathable layer is made of an HDPE film, a PE film or a PU film.
5. The menstrual blood collection cotton sheet according to claim 1, wherein the waterproof binding tape is made of the same material as the waterproof breathable layer, and the waterproof binding tape and the waterproof breathable layer are integrally connected.
6. The menstrual blood collection cotton sheet according to claim 1, wherein the outer side of the waterproof binding is further provided with a side wing, the bottom surface of the side wing is provided with a second adhesive layer, and a second release paper layer is arranged below the second adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495401.XU CN211855955U (en) | 2019-12-31 | 2019-12-31 | Menstrual blood collection cotton sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495401.XU CN211855955U (en) | 2019-12-31 | 2019-12-31 | Menstrual blood collection cotton sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211855955U true CN211855955U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922495401.XU Active CN211855955U (en) | 2019-12-31 | 2019-12-31 | Menstrual blood collection cotton sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211855955U (en) |
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2019
- 2019-12-31 CN CN201922495401.XU patent/CN211855955U/en active Active
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