CN114274434A - Preparation device and preparation method of bionic skin - Google Patents
Preparation device and preparation method of bionic skin Download PDFInfo
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- CN114274434A CN114274434A CN202111549865.XA CN202111549865A CN114274434A CN 114274434 A CN114274434 A CN 114274434A CN 202111549865 A CN202111549865 A CN 202111549865A CN 114274434 A CN114274434 A CN 114274434A
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- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 210000004243 sweat Anatomy 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000005266 casting Methods 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 claims description 20
- 239000011159 matrix material Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 230000003592 biomimetic effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
- 239000000741 silica gel Substances 0.000 description 27
- 229910002027 silica gel Inorganic materials 0.000 description 27
- 210000003491 skin Anatomy 0.000 description 27
- 230000033001 locomotion Effects 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000012776 electronic material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 206010033675 panniculitis Diseases 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 210000004304 subcutaneous tissue Anatomy 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 210000000106 sweat gland Anatomy 0.000 description 2
- 230000035900 sweating Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 208000031636 Body Temperature Changes Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Abstract
The invention discloses a preparation device of bionic skin, which comprises a groove die and a fixed support plate, wherein the fixed support plate stretches across the upper part of a groove opening of the groove die and is fixedly connected with the groove walls at two ends; the groove die is internally divided into a forming cavity and casting cavities arranged on two sides of the forming cavity; the fixed support plate is provided with a plurality of positioning holes for the sweat discharging pipeline to pass through, the bottom of the forming cavity is provided with a through hole which is arranged corresponding to the positioning holes, and a plurality of limiting blocks for fixing the heating circuit. The invention also provides a preparation method of the bionic skin based on the preparation device. The invention has simple structure and convenient operation, thereby being capable of quickly preparing the bionic skin with simulated perspiration and temperature change in batch.
Description
Technical Field
The invention relates to the field of bionic skin manufacturing, in particular to a preparation device and a preparation method of bionic skin.
Background
With the accelerating population aging and the enhancement of the health awareness of the whole population, the demands of people on disease prevention, scientific body building, health rehabilitation and the like are rapidly increased, and the health medical industry mainly based on prevention and digitization is more and more concerned by people. The basis of prevention and digitization in the health and medical industry is wearable/implantable monitoring technology of human body movement and physiological parameters, which puts an urgent need on the flexibility, especially the ductility, of electronic functional materials and devices. The traditional rigid electronic material and device face the problem of incompatibility with human body surface, motion deformation and the like, the flexible and elastic electronic material and device are the necessary way to break through the problem, and how to obtain the high-reliability elastic electronic material and device which are compatible with the human body and meet the detection of human body motion and physiological index parameters becomes one of bottleneck problems restricting the development of wearable/implantable motion and health technology.
The characterization test of the conventional elastic electronic device is usually performed under the environments of fixed temperature, humidity and the like, so that the obtained result is difficult to be matched with the actual application scene of the elastic electronic device worn on a human body, and the experimental result cannot truly reflect the actual application effect. Therefore, in order to more accurately represent the parameter change, reliability and the like of the elastic electronic device in the practical application of human body wearing, the invention considers the environmental conditions of human body temperature, sweating and the like, and more truly represents the application performance of the elastic electronic device aiming at the change of human body sweating condition, body temperature change and other scenes in the processes of human body joint movement, respiratory movement and the like.
Patent document CN113082286A discloses a three-layer bionic scaffold based on 3D printing technology and a preparation method thereof, comprising three layers, the first layer is a compact layer simulating the epidermis; the second and the third layers are loose layers simulating dermis and subcutaneous tissue respectively, and are provided with micro channels and different apertures which are communicated with each other; the material proportion of each layer and the working parameters of 3D printing are also included. This mode through 3D printing makes the bionic support structure of preparation the same at every turn, but material and the printing speed based on 3D prints makes this bionic support can't quick volume production.
Patent document CN113345294A discloses a bionic human body vein puncture teaching aid and a preparation method thereof, including a preparation method of a bionic bone, a bionic subcutaneous tissue, a bionic blood vessel and a bionic skin based on a 3D printing technology. The human body vein distribution and structure are simulated through computer-aided printing, but the technical scheme has low production efficiency and does not meet the requirement of mass production.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation device of bionic skin, which has a simple structure and is convenient to operate, and can be used for simultaneously producing a plurality of groups of bionic skin, thereby improving the production efficiency of the bionic skin.
A preparation device of bionic skin comprises an elastic matrix, a heating circuit and a sweat discharging pipeline which are laid in the elastic matrix, and a temperature sensor and a humidity sensor which are used for monitoring the surface temperature and humidity of the bionic skin, wherein the preparation device comprises a groove die and a fixed support plate which stretches across the upper part of a groove opening of the groove die and is fixedly connected with the groove walls at two ends; the groove die is internally divided into a forming cavity and casting cavities distributed on two sides of the forming cavity; the fixed support plate is provided with a plurality of positioning holes for the sweat discharging pipeline to pass through, the bottom of the forming cavity is provided with a through hole which is arranged corresponding to the positioning holes, and a plurality of limiting blocks for fixing the heating circuit.
Preferably, the molding cavity and the casting cavities on the two sides are separated through a fixed baffle respectively, a circulation port with the width of 5-10mm is reserved between the fixed baffle and the bottom of the molding cavity groove, and the thickness of the bionic skin is limited by controlling the width of the circulation port.
Preferably, the manufacturing device further comprises a pair of guide plates for collecting the sweat discharging pipeline on one side, limiting holes for the sweat discharging pipeline to penetrate through are formed in the guide plates, mounting grooves matched with the guide plates are formed in the forming cavity, the sweat discharging pipeline is fixed through the guide plates, and subsequent pouring and integration are facilitated.
Preferably, a plurality of pairs of guide plates are arranged in the forming cavity, and the number of limiting holes of each pair of guide plates is sequentially overlapped along the collecting direction; when the sweat discharging pipeline is used, one sweat discharging pipeline penetrates through the corresponding limiting holes in all paths along the collecting direction, so that the collecting directions of all the sweat discharging pipelines are consistent and are not influenced mutually.
Preferably, the limiting blocks are semi-circular limiting blocks, so that the flexible heating wires can be laid conveniently, and gaps are avoided during casting.
The invention also provides a preparation method of the bionic skin based on the preparation device, and the preparation method can systematize the preparation process of the bionic skin, thereby facilitating the mass production of the bionic skin.
A preparation method of bionic skin is based on the preparation device and comprises the following steps:
s1 preparation of elastic prepolymer solution: uniformly mixing the raw material component A and the component B according to the mass ratio of 1:1, vacuumizing, and removing bubbles in the raw material to obtain a 0-degree silica gel solution;
s2, separating the molding cavity from the casting cavities on two sides by using a fixed baffle, and installing and fixing a support plate above the groove mold;
s3, arranging the flexible heating wire and the sweat discharging pipeline in the forming cavity:
s3.1, paving an S-shaped circuit on the flexible heating wire along the arc surface of the semicircular limiting block at the bottom of the forming cavity;
s3.2, the sweat discharging pipeline firstly penetrates through the positioning hole of the fixed support plate and then penetrates out of the through hole corresponding to the bottom of the forming cavity groove to form a sweat discharging pipeline group penetrating through the S-shaped circuit;
s4, injecting 0-degree silica gel solution into the casting cavities on the two sides; and waiting for the 0-degree silica gel solution to diffuse into the forming cavity until the bottom of the fixed baffle plate is submerged.
S5, putting the groove die after casting into a drying oven for curing to obtain an elastic matrix;
s6, after the solidification, removing the fixed support plate arranged above the groove, arranging the guide plate corresponding to the installation groove on the upper surface of the elastic matrix in sequence, and penetrating the exposed sweat discharging pipeline through the limiting hole corresponding to the guide plate, thereby integrating the sweat discharging pipeline on one side;
s7, injecting 0-degree silica gel solution between each pair of guide plates, and after injection is completed, placing the forming mold into a drying oven for curing;
and S8, after the solidification and the temperature reduction are finished to the room temperature, demoulding is finished, and the subsequent treatment is carried out, so that the bionic skin capable of simulating perspiration and temperature change is finally obtained.
Preferably, a pair of guide shafts used for winding the sweat discharging pipeline is further arranged between every two pairs of guide plates, deformation allowance is provided for the sweat discharging pipeline in a winding mode, and the problem that the sweat discharging pipeline deforms and breaks due to over tightness when the bionic skin is subjected to a tensile test is solved.
Preferably, the subsequent processing in S8 specifically includes:
s8.1, cutting off redundant sweat discharging pipelines on the lower surface of the elastic base body;
s8.2, arranging probes of the temperature sensor and the humidity sensor on the upper surface of the elastic matrix, coating 0-degree silica gel solution, and putting the elastic matrix into a forced air drying oven for curing and packaging.
Compared with the prior art, the invention has the beneficial effects that:
(1) the bionic skin with simulated perspiration and temperature change can be rapidly prepared by the preparation device;
(2) the application method suitable for the device is provided, and the method is simple and easy to operate and meets the requirement of batch production.
(3) The sweat discharging pipeline is in a vertical state by matching the positioning hole of the fixed support plate with the through hole at the bottom of the forming cavity, so that the distribution state of sweat glands of a human body is simulated.
(4) Through the limiting hole on the guide plate, the sweat discharging pipelines exposed outside are collected to one side, so that the follow-up preparation process is facilitated.
(5) The mode that the perspiring pipeline is wound on the guide shaft is adopted, deformation allowance is provided for the guide shaft, and therefore the problem that the perspiring pipeline is deformed and torn when the bionic skin is subjected to limit test is solved.
Drawings
FIG. 1 is an engineering exploded view of a manufacturing apparatus provided in the present invention;
FIG. 2 is a top view of a groove die provided by the present invention;
FIG. 3 is a schematic structural diagram of a biomimetic skin;
FIG. 4 is a schematic view of the fitting of the silicone hose and the guide shaft according to the present invention;
in the figure, 1, a silica gel hose; 2. a control unit; 3. a humidity sensor; 4. a temperature sensor; 5. a flexible heating wire; 6. a peristaltic pump; 7. a groove mold; 8. a molding cavity; 9. a first guide shaft; 10. a second guide shaft; 11. a clamping block; 12. mounting holes; 13. mounting grooves; 14. fixing a baffle plate; 15. casting a cavity; 16. fixing a support plate; 17. positioning holes; 18. a guide plate; 19. a limiting hole; 20. a through hole; 21. circular arc stopper.
Detailed Description
As shown in fig. 1, a bionic skin simulating human perspiration and temperature change comprises an elastic substrate, a heating circuit and a perspiration pipeline laid in the elastic substrate, and a temperature sensor and a humidity sensor for monitoring the surface temperature and humidity of the bionic skin; the heating circuit is formed by paving a flexible heating wire 5, the perspiration pipeline is composed of a silica gel hose 1 and a peristaltic pump 6 for quantitatively providing normal saline for the silica gel hose 1, the heating temperature is controlled by adjusting the voltage at two ends of the flexible heating wire 5 through a control unit 2, and the perspiration speed is controlled by adjusting the output rotating speed of the peristaltic pump 6, wherein the outer diameter of the silica gel hose 1 is 0.8mm, and the length is 1 m; the flexible heating wire is formed by weaving special stainless steel wires in multiple strands, and the flexible heating wire with the resistance value of 5 omega/meter is selected.
As shown in fig. 2 and 3, a device for preparing a bionic skin comprises a groove mold 7 and a fixed support plate 16 which spans above the groove mold 7 and is fixedly connected with the groove walls at two ends; the interior of the groove die 7 is divided into a molding cavity 8 and casting cavities 15 arranged at two sides of the molding cavity 8; the fixed support plate 16 is provided with a plurality of positioning holes 17 for the silica gel hose 1 to pass through, the bottom of the molding cavity 8 is provided with a through hole 20 corresponding to the positioning holes 17, and a plurality of arc-shaped limiting blocks 21 for fixing the flexible heating wire 5, wherein the molding cavity 8 and the two side casting cavities 15 are respectively separated by a fixed baffle 14, and a flow opening with the width of 6mm is reserved between the fixed baffle 14 and the bottom of the molding cavity 8.
The fixed support plate 16 is provided with a plurality of positioning holes 17 for the silica gel hose 1 to pass through, the bottom of the forming cavity 8 is provided with a through hole 20 corresponding to the positioning holes 17, and a plurality of semi-arc limiting blocks 21 for fixing the flexible heating wire.
A plurality of mounting grooves 13 are formed in the molding cavity 8 at equal intervals and used for fixing a guide plate 18, and a clamping block 11 is added into the mounting grooves after the guide plate is mounted, so that dislocation is avoided during casting; each pair of guide plates 18 is provided with a limiting hole 19 for the silica gel hose 1 to pass through, the number of the limiting holes 19 on each pair of guide plates 18 along the collecting direction is sequentially overlapped, and a gap convenient for separating the silica gel hose 1 from the guide plates 18 is arranged between the limiting hole 19 and the nearest side of the guide plates 18.
And a first guide shaft 9 and a second guide shaft 10 are also arranged between every two pairs of guide plates 18 and are fixed through mounting holes 12 on two sides of the forming cavity 8.
As shown in fig. 4, deformation allowance is provided for the silicone hose 1 by winding, wherein the included angle between the circular axis of the first guide shaft 9 and the second guide shaft 10 and the horizontal line is 45 °, and the silicone hose 1 exposed on the upper surface of the elastic base body is wound on the first guide shaft 9 and then passes through the crack between the two shafts, and then is wound on the second guide shaft 10 and then passes through the guide plate 18 through the limiting hole 19 on the guide plate 18, so that the problem of deformation and breakage of the silicone hose 1 caused by too tight tightening when the bionic skin is subjected to a tensile test is avoided.
A preparation method of bionic skin is completed based on the preparation device and comprises the following steps:
s1 preparation of elastic prepolymer solution: uniformly mixing the raw material component A and the component B according to the mass ratio of 1:1, vacuumizing, and removing bubbles in the raw material to obtain a 0-degree silica gel solution;
s2, separating the molding cavity 8 from the casting cavities 15 on two sides by using a fixed baffle 14, and installing a fixed support plate 16 above the groove mold 7;
s3, arranging the flexible heating wire 5 and the silica gel hose 1 in the molding cavity 8:
s3.1, paving an S-shaped circuit on the flexible heating wire 5 along the arc surface of the semi-arc limiting block 21 at the bottom of the forming cavity 8;
s3.2, the silica gel hose 1 firstly penetrates through the positioning hole 17 of the fixed support plate 16 and then penetrates out of the through hole 20 corresponding to the bottom of the forming cavity 8 to form a silica gel hose group penetrating through the S-shaped circuit;
s4, injecting 0-degree silica gel solution into the casting cavities 15 on the two sides; wait for the 0 degree silica gel solution to diffuse into the forming chamber 8 until it is past the bottom of the fixed stop 14.
S5, placing the groove die 7 after pouring into a drying oven, keeping the temperature at 60 ℃, and curing for 30 minutes to obtain an elastic matrix;
s6, after the solidification is finished, the fixed support plate 16 arranged above the groove is removed, the guide plate 18 corresponding to the installation groove is sequentially arranged on the upper surface of the elastic matrix, and the exposed silica gel hose 1 passes through the limiting hole 19 corresponding to the guide plate 18, so that the silica gel hose is integrated on one side;
s7, injecting 0-degree silica gel solution between each pair of guide plates 18, and simultaneously injecting 0-degree silica gel solution into the casting cavity 15; after the injection is finished, the forming die is placed into a drying oven to be cured for 30 minutes at the temperature of 60 ℃;
s8, after the solidification and the temperature reduction to room temperature are finished, the guide plate 18, the first guide shaft 9, the second guide shaft 10, the clamping block 11 and the fixed baffle 14 are removed to finish demoulding;
s8.1, cutting off the redundant silicone hoses 1 on the lower surface of the elastic matrix;
s8.2, arranging probes of a temperature sensor and a humidity sensor on the upper surface of the elastic matrix, coating 0-degree silica gel solution, putting the elastic matrix into a drying oven, keeping the temperature at 60 ℃, curing for 30 minutes, and packaging; finally obtaining the bionic skin which can simulate perspiration and temperature change.
According to the invention, the positioning hole on the fixed support plate is matched with the through hole at the bottom of the forming cavity, so that the silica gel hose is in a vertical state in the first stage of casting, and the sweat gland distribution of human skin is simulated; the flexible heating wire is laid on the bottom of the forming cavity in an s shape through the semicircular limiting block at the bottom of the forming cavity, and meanwhile, the problem of casting gaps can be avoided due to the semicircular design; in the second stage, the silica gel hose exposed outside is fixed and converged to one side through the matching of the wire guide plate and the wire guide shaft, so that the subsequent connection with the peristaltic pump is facilitated; and meanwhile, an extra deformation allowance is provided for the silica gel hose in a winding mode, so that various extreme test conditions of the skin can be simulated.
Claims (9)
1. A preparation device of bionic skin comprises an elastic matrix, a heating circuit and a sweat discharging pipeline which are laid in the elastic matrix, and a temperature sensor and a humidity sensor which are used for monitoring the surface temperature and humidity of the bionic skin, and is characterized by comprising a groove die and a fixed support plate which stretches across the upper part of a groove opening of the groove die and is fixedly connected with the groove walls at two ends; the groove die is internally divided into a forming cavity and casting cavities arranged on two sides of the forming cavity; the fixed support plate is provided with a plurality of positioning holes for the sweat discharging pipeline to pass through, the bottom of the forming cavity is provided with a through hole which is arranged corresponding to the positioning holes, and a plurality of limiting blocks for fixing the heating circuit.
2. The manufacturing device according to claim 1, characterized in that the molding cavity and the casting cavities on both sides are respectively separated by a fixed baffle plate, and a circulation opening with the width of 5-10mm is reserved between the fixed baffle plate and the bottom of the molding cavity groove.
3. The manufacturing device according to claim 1, further comprising a pair of guide plates for collecting the sweat draining pipeline on one side, wherein the guide plates are provided with limiting holes for the sweat draining pipeline to pass through, and the forming cavity is internally provided with a mounting groove matched with the guide plates for use.
4. The manufacturing apparatus as set forth in claim 3, wherein a plurality of pairs of guide plates are provided in the molding cavity, and the number of the limiting holes of each pair of guide plates in the converging direction are sequentially superposed.
5. A manufacturing apparatus as set forth in claim 4 wherein a pair of guide shafts for the winding of the perspiration duct is further provided between each pair of guide plates.
6. The manufacturing device according to claim 1, wherein the stopper is a semicircular arc stopper.
7. A method for preparing a biomimetic skin, the method being based on the preparation apparatus as set forth in any one of claims 1-6, comprising:
s1 preparing an elastic prepolymer solution;
s2, separating the molding cavity from the casting cavities on two sides by using a fixed baffle, and installing and fixing a support plate above the groove mold;
s3, arranging the flexible heating wire and the sweat discharging pipeline in the forming cavity;
s4, injecting elastic prepolymer solution into the casting cavities on the two sides, and waiting for the prepolymer solution to diffuse into the forming cavity until the prepolymer solution submerges the bottom of the fixed baffle;
s5, placing the groove die after pouring into a drying oven for curing to obtain an elastic matrix;
s6, after solidification, removing the fixed support plate arranged above the groove, arranging the guide plate corresponding to the installation groove on the upper surface of the elastic matrix in sequence, and then enabling the exposed sweat discharging pipeline to penetrate through the limiting hole corresponding to the guide plate and be integrated on one side;
s7, injecting an elastic prepolymer solution between each pair of guide plates, and after injection is completed, putting the groove mold into a drying oven for curing;
s8, after the solidification and the temperature reduction to room temperature, the demoulding is completed, the subsequent treatment is carried out, and finally the bionic skin which can simulate the human body perspiration and the temperature change is obtained.
8. The use method of the manufacturing apparatus according to claim 7, wherein the specific process arranged in S3:
s3.1, paving an S-shaped circuit on the flexible heating wire along the arc surface of the semicircular limiting block at the bottom of the forming cavity;
and S3.2, the sweat discharging pipeline firstly penetrates through the positioning hole of the fixed support plate and then penetrates out from the through hole corresponding to the bottom of the forming cavity groove to form a sweat discharging pipeline group penetrating through the S-shaped circuit.
9. The use method of the preparation apparatus according to claim 6, wherein the subsequent processing in S8 specifically comprises:
s8.1, cutting off redundant sweat discharging pipelines on the lower surface of the elastic base body;
s8.2, arranging probes of the temperature sensor and the humidity sensor on the upper surface of the elastic matrix, coating the elastic prepolymer solution, and putting the elastic prepolymer solution into a drying oven for curing and packaging.
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| CN202111549865.XA CN114274434B (en) | 2021-12-17 | 2021-12-17 | Preparation device and preparation method of bionic skin |
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| CN202111549865.XA CN114274434B (en) | 2021-12-17 | 2021-12-17 | Preparation device and preparation method of bionic skin |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011122033A1 (en) * | 2010-03-30 | 2011-10-06 | Uni-Charm Corporation | Artificial perspiration apparatus |
| WO2016054847A1 (en) * | 2014-10-11 | 2016-04-14 | 清华大学 | Bionic structure containing channels and electromagnetic force training device and method therefor |
| WO2016121061A1 (en) * | 2015-01-29 | 2016-08-04 | 一般財団法人カケンテストセンター | Sweat simulator and sweat simulation method |
| CN111904395A (en) * | 2020-07-24 | 2020-11-10 | 厦门大学 | Flexible base material for physiological information sensing and manufacturing method thereof |
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2021
- 2021-12-17 CN CN202111549865.XA patent/CN114274434B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011122033A1 (en) * | 2010-03-30 | 2011-10-06 | Uni-Charm Corporation | Artificial perspiration apparatus |
| WO2016054847A1 (en) * | 2014-10-11 | 2016-04-14 | 清华大学 | Bionic structure containing channels and electromagnetic force training device and method therefor |
| WO2016121061A1 (en) * | 2015-01-29 | 2016-08-04 | 一般財団法人カケンテストセンター | Sweat simulator and sweat simulation method |
| CN111904395A (en) * | 2020-07-24 | 2020-11-10 | 厦门大学 | Flexible base material for physiological information sensing and manufacturing method thereof |
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