CN109512579B - Multi-layer moisture-absorption breathable magnetic therapy and intelligent temperature control type dressing and using method - Google Patents
Multi-layer moisture-absorption breathable magnetic therapy and intelligent temperature control type dressing and using method Download PDFInfo
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Abstract
A multi-layer moisture-absorption breathable magnetic therapy and intelligent temperature control type dressing comprises a moisture-absorption top layer, a magnetic therapy moisture absorption layer, a carrying layer and a sensor monitoring layer, wherein the sensor monitoring layer comprises an insulating skin and a temperature-sensitive sensor wrapped inside the insulating skin; the bottom surface of the moisture absorption top layer is connected with the top surface of the carrier layer through the magnetic therapy moisture absorption layer, the bottom surface of the carrier layer is connected with the outer wall of the insulating skin, and the mechanical strength of the carrier layer is greater than that of the moisture absorption top layer and the magnetic therapy moisture absorption layer. The design has the advantages of temperature control function, magnetic therapy, strong moisture absorption effect, great contribution to wound healing, high mechanical strength, suitability for practical application and strong environmental protection.
Description
Technical Field
The invention relates to a dressing, belongs to the field of medical dressings, and particularly relates to a multilayer moisture-absorption breathable magnetic therapy and intelligent temperature control type dressing and a using method thereof.
Background
Wound healing is a complex process, and multiple external factors directly or indirectly influence the healing condition, including the temperature, humidity, PH value, oxygen content, survival amount of microorganisms and the like of a wound, so that if the temperature and humidity of the wound can be controlled, the wound healing is certainly facilitated, and if additional factors which are beneficial to wound healing are added on the basis, the wound healing is better.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of lack of temperature control function, poor moisture absorption effect and no magnetotherapy effect in the prior art, which lead to the disadvantage of wound healing, and provides a multilayer moisture absorption breathable magnetotherapy and intelligent temperature control dressing which has the temperature control function, strong moisture absorption effect, magnetotherapy effect and finally benefit to wound healing, and a use method thereof.
In order to achieve the above purpose, the technical solution of the invention is as follows: a multi-layer moisture-absorption breathable magnetic therapy and intelligent temperature control type dressing comprises a moisture-absorption top layer and a carrier layer, wherein the moisture-absorption top layer and the carrier layer are arranged up and down;
the dressing also comprises a magnetic therapy moisture absorption layer and a sensor monitoring layer, wherein the sensor monitoring layer comprises an insulating leather and a temperature-sensitive sensor wrapped in the insulating leather, the temperature-sensitive sensor is connected with one end of a signal wire, the other end of the signal wire penetrates through the insulating leather and then is connected with a temperature monitoring system positioned outside the dressing, a magnetic substance and a moisture absorption substance are arranged in the magnetic therapy moisture absorption layer, and the magnetic substance and the moisture absorption substance are combined into an integral structure;
the bottom surface of the moisture absorption top layer is connected with the top surface of the carrier layer through the magnetic therapy moisture absorption layer, the bottom surface of the carrier layer is connected with the outer wall of the insulating skin, and the mechanical strength of the carrier layer is greater than that of the moisture absorption top layer and the magnetic therapy moisture absorption layer.
The carrier layer is made of spunlace non-woven fabrics or hydrogel.
The carrier layer is made of China hemp/sodium alginate spunlace material or quaternary ammonium salt chitosan hydrogel material.
The sensor monitoring layer further comprises a polyurethane transparent adhesive film, the polyurethane transparent adhesive film is wrapped outside the insulating skin, and the insulating skin and the temperature-sensitive sensor arranged inside the insulating skin are connected with the bottom surface of the carrier layer through the polyurethane transparent adhesive film.
The temperature monitoring system comprises a signal converter, a storage and an output display, wherein the input end of the signal converter is connected with the temperature-sensitive sensor through a signal line, and the output end of the signal converter is connected with the output display through the storage.
The storage is connected with the output display through the Bluetooth device, and the output display is an LED display screen; the signal converter, the memory and the Bluetooth device are integrated on the same circuit board.
The dressing further comprises a heating ring layer, wherein the heating ring layer comprises a gelatin protective sticking film, a microporous breathable non-woven fabric bag and an oxygen-encountering heating element, the oxygen-encountering heating element is wrapped inside the microporous breathable non-woven fabric bag, the periphery of the gelatin protective sticking film is connected with the bottom surface of the carrying layer, and the microporous breathable non-woven fabric bag is clamped between the gelatin protective sticking film and the carrying layer;
the oxygen-encountering heating element comprises mutually mixed iron powder, activated carbon, potassium chloride and polyvinylpyrrolidone or mutually mixed iron powder, activated carbon, water, potassium chloride and polyvinylpyrrolidone.
A using method of the multilayer moisture absorption breathable magnetic therapy and intelligent temperature control type dressing comprises the following steps: the temperature-sensitive sensor detects the temperature of a wound of a patient, initial information reflecting the temperature is transmitted to the signal converter outside the dressing through the signal line, the signal converter converts the initial information, the converted information is sent to the memory to be stored, and the memory sends the stored information to the output display to be displayed.
When the temperature detected by the temperature-sensitive sensor is higher than the normal temperature and the temperature is displayed on the temperature monitoring system, the dressing is replaced; when the temperature detected by the temperature-sensitive sensor is lower than the normal temperature and the temperature is displayed on the temperature monitoring system, the gelatin protective film is torn off, so that the outside air is contacted with the oxygen-encountering heating element after passing through the microporous breathable non-woven fabric bag, and the oxygen-encountering heating element and oxygen in the air generate a chemical exothermic reaction, thereby providing heat for the wound of the patient.
The normal temperature is as follows: the temperature is 18-24 ℃ in autumn and winter and 22-28 ℃ in spring and summer.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a multilayer moisture-absorption breathable magnetic therapy and intelligent temperature control dressing and a using method thereof, wherein the dressing comprises a moisture-absorption top layer, a magnetic therapy moisture-absorption layer, a carrier layer and a sensor monitoring layer, wherein the sensor monitoring layer can monitor the temperature of a wound to realize the control of the temperature of the wound according to monitoring data, and the effect is better if a heating ring layer is combined, so that the wound healing function is facilitated. Therefore, the invention not only has the temperature control function and the magnetic therapy function, but also has stronger moisture absorption effect and is very beneficial to wound healing.
2. The invention relates to a multi-layer moisture-absorbing air-permeable magnetic therapy and intelligent temperature control dressing and a using method thereof, wherein the mechanical strength of a carrier layer is greater than the mechanical strength of a moisture-absorbing top layer and a magnetic therapy moisture-absorbing layer, the design can further enhance the moisture absorption on the basis of the two-layer structure of the moisture-absorbing top layer and the magnetic therapy moisture-absorbing layer, in particular the mechanical strength and the adhesion fixation of the whole dressing to ensure the practical application, in addition, the manufacturing material of the carrier layer is spunlace non-woven fabric or hydrogel, preferably sodium alginate material or quaternary ammonium salt chitosan hydrogel material, wherein the sodium alginate material is suitable for the bleeding period of a wound because of excellent moisture absorption and conductivity, antibacterial property and good biocompatibility, and the quaternary ammonium salt chitosan hydrogel material is suitable for the wound surface of the wound because of high water content and high plasticity, can be flexibly attached to the wound surface of the wound, so the dressing is suitable for the formation period of the granulation, meanwhile, the wound healing instrument has a three-dimensional network structure, can be highly fitted with an extracellular matrix environment, and provides necessary conditions for wound healing, so that different materials are adopted according to actual conditions of the wound, and the wound healing is facilitated. Therefore, the invention not only has stronger mechanical strength and is suitable for practical application, but also can be used differently according to the bleeding period and the granulation period of the wound, and has stronger healing effect.
3. In the multilayer moisture-absorbing breathable magnetic therapy and intelligent temperature control type dressing and the using method thereof, the sensor monitoring layer comprises the insulating skin and the temperature-sensitive sensor, the temperature-sensitive sensor is wrapped inside the insulating skin, the outer wall of the insulating skin is connected with the bottom surface of the carrying layer, meanwhile, the temperature-sensitive sensor is connected with one end of the signal wire, the other end of the signal wire penetrates through the insulating skin and then is connected with the temperature monitoring system positioned outside the dressing, and when the dressing is applied, the temperature-sensitive sensor can monitor the temperature of a wound and send monitoring information to the temperature monitoring system through the signal wire, so that medical personnel can control the condition in real time and take reasonable measures, the dressing is beneficial to healing of the wound, the resource waste can be reduced, and the working efficiency is improved. Therefore, the invention not only has the temperature control function and is beneficial to the healing of the wound, but also can save resources and improve the medical efficiency.
4. The invention relates to a multilayer moisture-absorbing breathable magnetic therapy and intelligent temperature control dressing and a using method thereof, wherein an additional heating ring layer comprises a gelatin protective film, a microporous breathable non-woven fabric bag and an oxygen-encountering heating element, wherein, the oxygen-encountering heating element is wrapped inside the microporous breathable non-woven fabric bag, the periphery of the gelatin protective film is connected with the bottom surface of the carrying layer, the microporous breathable non-woven fabric bag is clamped between the gelatin protective film and the carrying layer, when in application, if the temperature-sensitive sensor detects that the wound temperature is lower than the normal range, the gelatin protective film is torn to enable oxygen in the air to enter the microporous breathable non-woven fabric bag to generate a chemical exothermic reaction with the oxygen-encountering heating element, so that the temperature near the wound is increased, the wound healing is facilitated, and in addition, if the temperature-sensitive sensor monitors that the temperature of the wound is higher than a normal range, the dressing needs to be replaced and the two ways are combined to further improve the healing effect of the wound. Thus, the present invention is not only capable of monitoring the temperature of the wound, but also capable of regulating the temperature of the wound.
5. In the multilayer moisture absorption breathable magnetic therapy and intelligent temperature control type dressing and the using method thereof, a moisture absorption top layer is preferably made of chitosan nanofiber membrane materials, a magnetic therapy moisture absorption layer comprises magnetic materials and moisture absorption materials which are integrated into a whole, the magnetic therapy moisture absorption layer is preferably made of silk fibroin, sodium alginate and neodymium iron boron rare earth magnetic powder, a carrier layer is preferably made of sodium alginate spunlace materials or quaternary ammonium salt chitosan hydrogel materials, a sensor monitoring layer is preferably made of polyurethane transparent films, insulating skins and temperature-sensitive sensors are pasted from the outermost part, a heating ring layer comprises gelatin protection films, microporous breathable non-woven bags and oxygen-encountering heating bodies, and therefore most raw materials are green, environment-friendly and pollution-free materials, popularization and application are facilitated, and sustainable development strategies are met. Therefore, the invention has strong environmental protection.
Drawings
Fig. 1 is an exploded view of the present invention.
FIG. 2 is a flow chart of the transmission of information monitored by the temperature-sensitive sensor according to the present invention.
FIG. 3 is a schematic view of the structure of the heating coil layer of the present invention.
In the figure: the device comprises a moisture absorption top layer 1, a magnetic therapy moisture absorption layer 2, a carrying layer 3, a sensor monitoring layer 4, a temperature-sensitive sensor 41, an insulating skin 42, a signal wire 43, a polyurethane transparent adhesive film 44, a temperature monitoring system 5, a signal converter 51, a memory 52, an output display 53, a Bluetooth device 54, a heating ring layer 6, a gelatin protection adhesive film 61, a microporous breathable non-woven fabric bag 62 and an oxygen-encountering heating body 63.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, the multi-layer moisture-absorbing, breathable, magnetic therapy and intelligent temperature control dressing comprises a moisture-absorbing top layer 1 and a carrier layer 3, wherein the moisture-absorbing top layer 1 and the carrier layer 3 are arranged up and down;
the dressing further comprises a magnetic therapy moisture absorption layer 2 and a sensor monitoring layer 4, the sensor monitoring layer 4 comprises an insulating leather 42 and a temperature-sensitive sensor 41 wrapped inside the insulating leather 42, the temperature-sensitive sensor 41 is connected with one end of a signal wire 43, the other end of the signal wire 43 penetrates through the insulating leather 42 and then is connected with a temperature monitoring system 5 located outside the dressing, a magnetic substance and a moisture absorption substance are arranged in the magnetic therapy moisture absorption layer 2, and the magnetic substance and the moisture absorption substance are combined into an integral structure;
the bottom surface of the moisture absorption top layer 1 is connected with the top surface of the carrier layer 3 through the magnetic therapy moisture absorption layer 2, the bottom surface of the carrier layer 3 is connected with the outer wall of the insulating sheath 42, and the mechanical strength of the carrier layer 3 is greater than that of the moisture absorption top layer 1 and the magnetic therapy moisture absorption layer 2.
The carrier layer 3 is made of spunlace non-woven fabrics or hydrogel.
The carrier layer 3 is made of China hemp/sodium alginate spunlace material or quaternary ammonium salt chitosan hydrogel material.
The sensor monitoring layer 4 further comprises a polyurethane transparent adhesive film 44, the polyurethane transparent adhesive film 44 is wrapped outside the insulating skin 42, and the insulating skin 42 and the temperature-sensitive sensor 41 arranged inside the insulating skin 42 are connected with the bottom surface of the carrying layer 3 through the polyurethane transparent adhesive film 44.
The temperature monitoring system 5 comprises a signal converter 51, a memory 52 and an output display 53, wherein the input end of the signal converter 51 is connected with the temperature-sensitive sensor 41 through a signal line 43, and the output end of the signal converter 51 is connected with the output display 53 through the memory 52.
The memory 52 is connected with an output display 53 through a Bluetooth device 54, and the output display 53 is an LED display screen; the signal converter 51, the memory 52 and the bluetooth device 54 are integrated on the same circuit board.
The dressing further comprises a heating ring layer 6, wherein the heating ring layer 6 comprises a gelatin protective film 61, a microporous breathable non-woven fabric bag 62 and an oxygen-encountering heating element 63, the oxygen-encountering heating element 63 is wrapped inside the microporous breathable non-woven fabric bag 62, the periphery of the gelatin protective film 61 is connected with the bottom surface of the carrying layer 3, and the microporous breathable non-woven fabric bag 62 is clamped between the gelatin protective film 61 and the carrying layer 3;
the oxygen-encountering heating element 63 comprises mutually mixed iron powder, activated carbon, potassium chloride and polyvinylpyrrolidone or mutually mixed iron powder, activated carbon, water, potassium chloride and polyvinylpyrrolidone.
A using method of the multilayer moisture absorption breathable magnetic therapy and intelligent temperature control type dressing comprises the following steps: the temperature-sensitive sensor 41 detects the temperature of the wound of the patient, initial information reflecting the temperature is transmitted to a signal converter 51 outside the dressing through a signal line 43, the signal converter 51 converts the initial information and transmits the converted information to a memory 52 for storage, and the memory 52 transmits the stored information to an output display 53 for display.
When the temperature detected by the temperature-sensitive sensor 41 is higher than the normal temperature, and the temperature has been displayed on the temperature monitoring system 5, the dressing is replaced; when the temperature detected by the temperature-sensitive sensor 41 is lower than the normal temperature and the temperature is displayed on the temperature monitoring system 5, the gelatin protective film 61 is torn off, so that the outside air passes through the microporous breathable non-woven fabric bag 62 and then contacts with the oxygen-encountering heating element 63, and the oxygen-encountering heating element 63 and the oxygen in the air generate a chemical exothermic reaction, thereby providing heat for the wound of the patient.
The normal temperature is as follows: the temperature is 18-24 ℃ in autumn and winter and 22-28 ℃ in spring and summer.
The principle of the invention is illustrated as follows:
the invention aims to solve the problems of common wounds and provides a novel intelligent dressing to facilitate the healing of the wounds. The moisture absorption top layer 1 (preferably, chitosan nanofiber membrane material, namely chitosan and polyethylene oxide are mixed and then are subjected to electrostatic spinning to obtain the chitosan nanofiber membrane material, the technology has the advantages of high liquid absorption rate, semi-permeability, good hemostatic effect, functionality and environmental protection) as a substrate and is directly attached to the surface of a wound, so that the chitosan nanofiber membrane material has better adhesiveness, liquid absorption and antibacterial properties, can stop bleeding and relieve pain, and simultaneously the bioactivity of chitosan is convenient for the autonomous healing of the wound (in the field of medical hygiene, chitosan has certain inhibition capacity on common bacterial colonies, has a coagulation effect on red blood cells, can absorb protons released by acetic acid to relieve pain, and polyethylene oxide can improve the spinning performance of chitosan and has extremely low toxicity). Magnetic substances (preferably neodymium iron boron rare earth magnetic powder) and moisture absorption substances (preferably silk fibroin and sodium alginate, wherein silk is soft in texture, good in air permeability and draping feeling and good in tissue compatibility with a human body, the processed silk fibroin has good moisture absorption performance, the sodium alginate has good biocompatibility, degradable property and excellent water absorption and oxygen permeability), the moisture absorption substances can carry out secondary absorption on residual wound exudate penetrating through the moisture absorption top layer 1, the liquid absorption amount is enlarged, and the speed of wound healing can be accelerated by the magnetic field effect generated by the magnetic substances. Compared with a pure antibacterial fibrous dressing, the temperature-sensing and temperature-controlling device has the advantages that the sensor monitoring layer 4 has intelligent temperature-sensing and temperature-controlling functions (the effect is better if the temperature-sensing and temperature-controlling device is combined with the heating ring layer 6), the temperature around the wound of a patient can be sensed conveniently in real time, if the temperature is low, the temperature is increased through heating, and if the temperature is high, the dressing is replaced for deep inspection, so that the replacement time is reasonable, and the pain is reduced. The carrier layer 3 further optimizes the mechanical strength, adhesive fixation and liquid absorption of the entire dressing.
In conclusion, the dressing disclosed by the invention integrates the functions of antibiosis, ventilation and three-stage moisture absorption, so that the service time is prolonged to a certain extent, the resource waste is reduced, and meanwhile, the real-time temperature of the wound is intelligently transmitted and sensed to supplement heat in time so as to maintain the optimal healing environment to be closer to the modern medical treatment.
The process of the chemical exothermic reaction between the oxygen-encountering heating element 63 and the oxygen in the air is as follows: 2Fe + O2+2H2O ═ 2Fe (oh) 2; 4fe (oh)2+2H2O + O2 ═ 4fe (oh)3 ↓; 2Fe (oh)3 ═ Fe2O3+3H 2O.
When the chitosan nanofiber membrane is prepared, the preferred technological parameters of electrostatic spinning are as follows: spinning voltage is 17kv, spinning distance is 18cm, and flow rate of spinning solution is 0.6ml/h
When the neodymium iron boron rare earth magnetic powder is added under the stirring state, the preferable operation is as follows: and (3) placing the secondary treatment solution into an electric stirrer, regulating the temperature to be 50 ℃, and then slowly adding the neodymium iron boron rare earth magnetic powder in batches during stirring.
The preferred structure of the magnetic therapy moisture absorption layer 2 is divided into a plurality of small blocks instead of a whole block, and the whole area of all the small blocks is smaller than that of the moisture absorption top layer 1 and the carrier layer 3, at the moment, the division into the small blocks is not only beneficial to uniform arrangement and magnetic field effect enhancement, but also can not completely cover the moisture absorption top layer 1 and is beneficial to ventilation.
Example 1:
referring to fig. 1 to 3, a multi-layer moisture-absorbing breathable magnetic therapy and intelligent temperature control type dressing comprises a moisture-absorbing top layer 1, a magnetic therapy moisture absorption layer 2, a carrying layer 3 and a sensor monitoring layer 4, wherein the sensor monitoring layer 4 comprises an insulating skin 42 and a temperature-sensitive sensor 41 wrapped inside the insulating skin 42, the temperature-sensitive sensor 41 is connected with one end of a signal wire 43, the other end of the signal wire 43 penetrates through the insulating skin 42 and then is connected with a temperature monitoring system 5 positioned outside the dressing, a magnetic substance and a moisture absorption substance are arranged in the magnetic therapy moisture absorption layer 2, and the magnetic substance and the moisture absorption substance are combined into an integrated structure; the bottom surface of the moisture absorption top layer 1 is connected with the top surface of the carrier layer 3 through the magnetic therapy moisture absorption layer 2, the bottom surface of the carrier layer 3 is connected with the outer wall of the insulating sheath 42, and the mechanical strength of the carrier layer 3 is greater than that of the moisture absorption top layer 1 and the magnetic therapy moisture absorption layer 2. The material for manufacturing the carrier layer 3 is preferably spunlace nonwoven fabric or hydrogel, and is more preferably sodium alginate spunlace material or quaternary ammonium salt chitosan hydrogel material.
Example 2:
the basic contents are the same as example 1, except that:
the sensor monitoring layer 4 further comprises a polyurethane transparent adhesive film 44, the polyurethane transparent adhesive film 44 is wrapped outside the insulating skin 42, and the insulating skin 42 and the temperature-sensitive sensor 41 arranged inside the insulating skin 42 are connected with the bottom surface of the carrying layer 3 through the polyurethane transparent adhesive film 44. The temperature monitoring system 5 comprises a signal converter 51, a memory 52 and an output display 53, wherein the input end of the signal converter 51 is connected with the temperature-sensitive sensor 41 through a signal line 43, and the output end of the signal converter 51 is connected with the output display 53 through the memory 52. The memory 52 is connected with an output display 53 through a Bluetooth device 54, and the output display 53 is an LED display screen; the signal converter 51, the memory 52 and the bluetooth device 54 are integrated on the same circuit board.
A using method of the multilayer moisture absorption breathable magnetic therapy and intelligent temperature control type dressing comprises the following steps: the temperature-sensitive sensor 41 detects the temperature of the wound of the patient, initial information reflecting the temperature is transmitted to a signal converter 51 outside the dressing through a signal line 43, the signal converter 51 converts the initial information and transmits the converted information to a memory 52 for storage, and the memory 52 transmits the stored information to an output display 53 for display.
Example 3:
the basic content is the same as that of the embodiment 2, except that:
the dressing further comprises a heating ring layer 6, wherein the heating ring layer 6 comprises a gelatin protective film 61, a microporous breathable non-woven fabric bag 62 and an oxygen-encountering heating element 63, the oxygen-encountering heating element 63 is wrapped inside the microporous breathable non-woven fabric bag 62, the periphery of the gelatin protective film 61 is connected with the bottom surface of the carrying layer 3, and the microporous breathable non-woven fabric bag 62 is clamped between the gelatin protective film 61 and the carrying layer 3; the oxygen-encountering heating element 63 comprises mutually mixed iron powder, activated carbon, potassium chloride and polyvinylpyrrolidone or mutually mixed iron powder, activated carbon, water, potassium chloride and polyvinylpyrrolidone.
When the temperature detected by the temperature-sensitive sensor 41 is higher than the normal temperature during application and the temperature is displayed on the temperature monitoring system 5, the dressing is replaced; when the temperature detected by the temperature-sensitive sensor 41 is lower than the normal temperature and the temperature is displayed on the temperature monitoring system 5, the gelatin protective film 61 is torn off, so that the outside air passes through the microporous breathable non-woven fabric bag 62 and then contacts with the oxygen-encountering heating element 63, and the oxygen-encountering heating element 63 and the oxygen in the air generate a chemical exothermic reaction, thereby providing heat for the wound of the patient. The normal temperature is as follows: the temperature is 18-24 ℃ in autumn and winter and 22-28 ℃ in spring and summer.
Example 4:
the basic contents are the same as example 1, except that:
the moisture absorption top layer 1 is formed by cutting a chitosan nanofiber membrane, the manufacturing process of the chitosan nanofiber membrane is electrostatic spinning, and the raw materials of the chitosan nanofiber membrane are acetic acid, chitosan and polyethylene oxide. The preferable components and the weight ratio of the chitosan nanofiber membrane are as follows: 93.4-97.7 parts of acetic acid, 2-5 parts of chitosan and 0.7-1.7 parts of polyoxyethylene, and further preferably the chitosan nanofiber membrane comprises the following components in parts by weight: 95.5 parts of acetic acid, 3.5 parts of chitosan and 1 part of polyoxyethylene.
Example 5:
the basic contents are the same as example 1, except that:
the magnetic therapy moisture absorption layer 2 comprises a magnetic substance and a moisture absorption substance which are integrated into a whole, wherein the magnetic substance comprises neodymium iron boron rare earth magnetic powder, and the moisture absorption substance comprises silk fibroin, sodium alginate and glycerol. The magnetic therapy moisture absorption layer 2 comprises the following manufacturing raw materials in parts by weight: 50-60 parts of silk fibroin solution, 0.8-1 part of glycerol, 0.5-1 part of sodium alginate and 2-3 parts of neodymium iron boron rare earth magnetic powder. The preferred manufacturing raw materials and the weight parts of the magnetic therapy moisture absorption layer 2 are as follows: 55 parts of silk fibroin solution, 0.9 part of glycerol, 0.75 part of sodium alginate and 2.5 parts of neodymium iron boron rare earth magnetic powder.
A preparation process of the magnetic therapy moisture absorption layer 2 comprises the following steps: firstly, silk fibroin solution is prepared from silk, then glycerin is added into the silk fibroin solution to serve as a plasticizer to obtain primary treatment solution, then sodium alginate is added into the primary treatment solution to serve as a thickening agent to obtain secondary treatment solution, neodymium iron boron rare earth magnetic powder is added into the secondary treatment solution in a stirring state, then the mixture is stirred until the mixture is uniform, then a primary membrane is obtained by laying the membrane, then the primary membrane is placed into an external magnetic field for magnetizing treatment to enable the primary membrane to have magnetism, so that a secondary membrane is obtained, and finally the secondary membrane is cut to obtain a final magnetic therapy moisture absorption layer 2.
Example 6:
the basic contents are the same as those of the embodiment 5, except that:
the silk fibroin solution is prepared by degumming and dialyzing silk, and the preparation process comprises the following steps: the silk is firstly placed into a sodium carbonate solution for degumming, then water washing is carried out at normal temperature, the degumming temperature is higher than the normal temperature, after the degumming and the washing operations are repeated for three times, the obtained product is dried in vacuum to obtain silk fibroin fibers, then the silk fibroin fibers are mixed in a lithium bromide solution for dialysis for three days to obtain a silk fibroin solution, and the water changing frequency in the dialysis process is 1 h/once.
Claims (4)
1. The utility model provides a ventilative magnetotherapy of multilayer moisture absorption and intelligent temperature control type dressing, includes moisture absorption top layer (1) and year layer (3), and arranges its characterized in that from top to bottom moisture absorption top layer (1), year layer (3):
the dressing further comprises a magnetic therapy moisture absorption layer (2) and a sensor monitoring layer (4), the sensor monitoring layer (4) comprises an insulating leather (42) and a temperature-sensitive sensor (41) wrapped inside the insulating leather, the temperature-sensitive sensor (41) is connected with one end of a signal wire (43), the other end of the signal wire (43) penetrates through the insulating leather (42) and then is connected with a temperature monitoring system (5) located outside the dressing, a magnetic substance and a moisture absorption substance are arranged in the magnetic therapy moisture absorption layer (2), and the magnetic substance and the moisture absorption substance are combined into an integral structure;
the bottom surface of the moisture absorption top layer (1) is connected with the top surface of the carrier layer (3) through the magnetic therapy moisture absorption layer (2), the bottom surface of the carrier layer (3) is connected with the outer wall of the insulating sheath (42), and the mechanical strength of the carrier layer (3) is greater than that of the moisture absorption top layer (1) and the magnetic therapy moisture absorption layer (2);
the temperature monitoring system (5) comprises a signal converter (51), a memory (52) and an output display (53), wherein the input end of the signal converter (51) is connected with the temperature-sensitive sensor (41) through a signal line (43), and the output end of the signal converter (51) is connected with the output display (53) through the memory (52);
the sensor monitoring layer (4) further comprises a polyurethane transparent adhesive film (44), the polyurethane transparent adhesive film (44) is wrapped outside the insulating skin (42), and the insulating skin (42) and a temperature-sensitive sensor (41) arranged inside the insulating skin are connected with the bottom surface of the carrying layer (3) through the polyurethane transparent adhesive film (44);
the moisture absorption top layer is a chitosan nano fiber membrane material;
the dressing further comprises a heating ring layer (6), the heating ring layer (6) comprises a gelatin protective sticking film (61), a microporous breathable non-woven fabric bag (62) and an oxygen-encountering heating element (63), the oxygen-encountering heating element (63) is wrapped in the microporous breathable non-woven fabric bag (62), the periphery of the gelatin protective sticking film (61) is connected with the bottom surface of the carrying layer (3), and the microporous breathable non-woven fabric bag (62) is clamped between the gelatin protective sticking film (61) and the carrying layer (3);
the oxygen-encountering heating element (63) comprises mutually mixed iron powder, activated carbon, potassium chloride and polyvinylpyrrolidone or mutually mixed iron powder, activated carbon, water, potassium chloride and polyvinylpyrrolidone.
2. The multi-layer moisture-absorbing breathable magnetic therapy and intelligent temperature control type dressing according to claim 1, characterized in that: the carrier layer (3) is made of spunlace non-woven fabrics or hydrogel.
3. The multi-layer moisture-absorbing breathable magnetic therapy and intelligent temperature control type dressing according to claim 2, characterized in that: the carrier layer (3) is made of a China hemp/sodium alginate spunlace material or a quaternary ammonium salt chitosan hydrogel material.
4. The multi-layer moisture-absorbing breathable magnetic therapy and intelligent temperature control dressing according to claim 1, 2 or 3, wherein: the memory (52) is connected with an output display (53) through a Bluetooth device (54), and the output display (53) is an LED display screen; the signal converter (51), the memory (52) and the Bluetooth device (54) are integrated on the same circuit board.
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