CN111341188A - Human body simulation skin and manufacturing method thereof - Google Patents
Human body simulation skin and manufacturing method thereof Download PDFInfo
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- CN111341188A CN111341188A CN202010344709.9A CN202010344709A CN111341188A CN 111341188 A CN111341188 A CN 111341188A CN 202010344709 A CN202010344709 A CN 202010344709A CN 111341188 A CN111341188 A CN 111341188A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
Abstract
The invention relates to the technical field of human body simulated skin, in particular to human body simulated skin and a manufacturing method thereof, the skin comprises a skin layer, a fat layer and a muscle layer, the skin layer is adhered to the fat layer through an adhesive, the fat layer is adhered to the muscle layer through the adhesive, a first stripping film is arranged on the surface of the skin layer, a first fireproof layer is arranged on the surface of the first stripping film, a plurality of irregularly arranged first simulation bulges are arranged on the surface of the first fireproof layer, a second stripping film is arranged on the surface of the muscle layer, a second fireproof layer is arranged on the surface of the second stripping film, and a plurality of irregularly arranged second simulation bulges are arranged on the surface of the second fireproof layer. And the texture is soft and elastic, the texture and the touch sense are closer to the skin of a human body, and the device is more suitable for medical clinical teaching and skill training.
Description
Technical Field
The invention relates to the technical field of human body simulation skin, in particular to human body simulation skin and a manufacturing method thereof.
Background
In the process of medical clinical teaching and skill training, training is carried out by means of human simulated skin, but the simulated skin produced by most of domestic companies is made of plastic, so that the operation feeling of a user is poor, the product classification is less, and the operation requirement of the existing user cannot be met. In view of this, we propose a human body-simulated skin.
Disclosure of Invention
In order to make up for the above deficiencies, the invention provides a human body simulation skin and a manufacturing method thereof.
The technical scheme of the invention is as follows:
the utility model provides a human emulation skin, includes skin layer, fat layer and muscle layer, the skin layer with adhere through the gluing agent between the fat layer, the fat layer with adhere through the gluing agent between the muscle layer, the surface on skin layer is equipped with the first membrane of peeling off, the first surface of peeling off the membrane is equipped with first flame retardant coating, the surface of first flame retardant coating is equipped with the first simulation arch of a plurality of irregular arrangements, the surface on muscle layer is equipped with the second and peels off the membrane, the surface that the membrane was peeled off to the second is equipped with the second flame retardant coating, the surface of second flame retardant coating is equipped with the second simulation arch of a plurality of irregular arrangements.
Preferably, the skin layer, the fat layer and the muscle layer are all made of silica gel raw materials, wherein the thickness of the skin layer is 1.0-2.0 mm, the thickness of the fat layer is 4.5-5.5 mm, and the thickness of the muscle layer is 4.5-5.5 mm.
Preferably, the fat layer is internally provided with a first simulated blood vessel, the muscle layer is internally provided with a second simulated blood vessel, the skin layer, the fat layer and the muscle layer are internally provided with a plurality of simulated pores which are also communicated with the outside, and each simulated pore is communicated with the first simulated blood vessel and the second simulated blood vessel.
Preferably, the first and second release films have a thickness of 0.5mm to 1.0 mm.
Preferably, the first fireproof layer and the second fireproof layer have a thickness of 0.5mm-1.0 mm.
As a preferable technical scheme, the first fireproof layer and the second fireproof layer are both made of epoxy resin materials.
Preferably, the simulated pores are also irregularly arranged, and the simulated pores in the skin layer, the fat layer, and the muscle layer are interconnected.
A method for manufacturing human body simulation skin comprises the following steps:
step 1, putting the liquid silica gel, the pigment mixture and the auxiliary solution into a stirring kettle for deep stirring for 10 minutes, maintaining the temperature at 20 ℃ in the stirring process, and defoaming by a defoaming machine for standby after stirring;
step 2, preparing a flexible rubber pad with a smooth surface, uniformly coating a layer of liquid smoothing agent on the surface of the flexible rubber pad, standing for 10 minutes, and completely drying the liquid smoothing agent;
step 3, uniformly coating the mixed solution obtained in the step 1 on a flexible rubber pad to form a bottommost layer, and repeatedly coating the mixed solution until the thickness of the bottommost layer reaches 4.5-5.5 mm to form a muscle layer;
step 4, continuously and uniformly coating the surface of the prepared muscle layer with a mixed solution obtained by the silicone gel raw material of the fat layer obtained by the same operation as the step 1 to form an intermediate layer, and repeatedly coating the intermediate layer until the thickness of the intermediate layer reaches 4.5-5.5 mm to form the fat layer;
step 5, continuously and uniformly smearing a mixed solution obtained by skin layer raw material silica gel in the same operation steps as the step 1 on the surface of the prepared fat layer to form a topmost layer, repeatedly smearing the mixed solution until the thickness of the topmost layer reaches 1.0mm-2.0mm to form a skin layer, and superposing the muscle layer, the fat layer and the skin layer together to form a primary simulated skin;
and 6, placing the preliminary simulation skin prepared in the step 5 indoors for air drying, and obtaining the simulation skin after the preliminary simulation skin is completely air dried.
As a preferable technical solution, the method further comprises the step 7: placing the simulated skin in a container filled with medical alcohol for sterilization, taking out the simulated skin after sterilization, and air drying again, wherein the indoor temperature is 15 deg.C and the indoor humidity is 50% in the air drying process in steps 6 and 7
As a preferred technical scheme, the preparation process of the pigment mixture in the step 1 comprises the following steps: mixing the pigment agent and the diluent according to a ratio, fully stirring and mixing in a stirring kettle, keeping the temperature at 20 ℃ in the stirring process, mixing for 10min, standing and storing for later use after completely mixing; the preparation process of the auxiliary solution in the step 1 is to mix the organic silicon defoaming agent and the thickening agent together according to a ratio, fully stir and mix in a stirring kettle, keep the temperature at 20 ℃ in the stirring process, mix for 10min, defoam by a defoaming machine after complete mixing, and keep stand for later use.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the liquid silica gel is adopted to prepare the human body simulation skin, so that the human body simulation skin has better tensile resistance compared with the traditional simulation skin prepared from plastics, the service life of the simulation skin is effectively prolonged, the texture is soft and elastic, the texture and the touch feeling are both closer to the human body skin, and the simulation skin with various focuses can be prepared by matching a mould and adding other materials, so that the human body simulation skin is more suitable for medical clinical teaching and skill training.
2. According to the invention, through the arrangement of the stripping film, the skin surface can be kept clean by tearing off the stripping film after the skin is used, a relatively ideal fireproof effect can be realized through the arrangement of the fireproof layer, and the original appearance of the skin can be reflected more truly through the arrangement of the simulation bulge, the simulation blood vessel and the simulation pore.
Drawings
FIG. 1 is a schematic view of the structure of the human skin simulation of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: the skin layer 100, the fat layer 200, the muscle layer 300, the first peeling film 400, the first fireproof layer 500, the first simulated protrusion 600, the second peeling film 700, the second fireproof layer 800, the second simulated protrusion 900, the first simulated blood vessel 1000, the second simulated blood vessel 1100 and the simulated pore 1200.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
The invention provides a human body simulated skin which comprises a skin layer 100, a fat layer 200 and a muscle layer 300, wherein the skin layer 100 and the fat layer 200 are bonded through an adhesive, the fat layer 200 and the muscle layer 300 are bonded through the adhesive, a first stripping film 400 is arranged on the surface of the skin layer 100, a first fireproof layer 500 is arranged on the surface of the first stripping film 400, a plurality of irregularly-arranged first simulation bulges 600 are arranged on the surface of the first fireproof layer 500, a second stripping film 700 is arranged on the surface of the muscle layer 300, a second fireproof layer 800 is arranged on the surface of the second stripping film 700, and a plurality of irregularly-arranged second simulation bulges 900 are arranged on the surface of the second fireproof layer 800.
In a preferred embodiment of the present invention, the skin layer 100, the fat layer 200 and the muscle layer 300 are made of silicon rubber, wherein the skin layer 100 has a thickness of 1.0mm to 2.0mm, the fat layer 200 has a thickness of 4.5mm to 5.5mm, and the muscle layer 300 has a thickness of 4.5mm to 5.5 mm.
In a preferred embodiment of the present invention, a first simulated blood vessel 1000 is provided inside the fat layer 200, a second simulated blood vessel 1100 is provided inside the muscle layer 300, a plurality of simulated pores 1200 which are also in communication with the outside are provided inside the skin layer 100, the fat layer 200, and the muscle layer 300, and each of the simulated pores 1200 is in communication with the first simulated blood vessel 1000 and the second simulated blood vessel 1100.
As a preferred embodiment of the present invention, the first and second release films 400 and 700 have a thickness of 0.5mm to 1.0 mm.
As a preferred embodiment of the present invention, the first flame retardant layer 500 and the second flame retardant layer 800 have a thickness of 0.5mm to 1.0 mm.
As a preferred embodiment of the present invention, the first flame retardant layer 500 and the second flame retardant layer 800 are both made of epoxy resin material.
In a preferred embodiment of the present invention, the simulated pores 1200 are also irregularly arranged, and the simulated pores 1200 in the skin layer 100, the fat layer 200, and the muscle layer 300 are communicated with each other.
It should be added that the arrangement of the first release film 400 and the second release film 700 can realize the purpose of keeping the skin surface clean by tearing the release films after use, and the arrangement of the first fireproof layer 500 and the second fireproof layer 800 can realize a relatively ideal fireproof effect, and the arrangement of the first simulated blood vessel 1000, the second simulated blood vessel 1100 and the simulated pore 1200 through the first simulated protrusion 600 and the second simulated protrusion 900 can more truly reflect the original appearance of the skin.
In a preferred embodiment of the present invention, the skin layer 100 is formed of an addition type liquid silicone having a silicone hardness of 10 degrees, the fat layer 200 is formed of a silicone gel, and the muscle layer 300 is formed of an addition type liquid silicone having a silicone hardness of 10 degrees.
In a preferred embodiment of the present invention, the raw materials constituting the skin layer 100, the fat layer 200, and the muscle layer 300 further include a pigment mixture and an auxiliary solution.
As a preferred embodiment of the present invention, the pigment mixture includes a pigment and a diluent, the pigment and the diluent having specific gravities of 75% and 25%, respectively.
As a preferred embodiment of the present invention, the auxiliary solution includes a silicone antifoaming agent and a thickener, the specific gravities of which are 75% and 25%, respectively.
The invention also provides a manufacturing method of the human body simulation skin, which comprises the following steps:
step 1, putting the liquid silica gel, the pigment mixture and the auxiliary solution into a stirring kettle for deep stirring for 10 minutes, maintaining the temperature at 20 ℃ in the stirring process, and defoaming by a defoaming machine for standby after stirring;
step 2, preparing a flexible rubber pad with a smooth surface, uniformly coating a layer of liquid smoothing agent on the surface of the flexible rubber pad, standing for 10 minutes, and completely drying the liquid smoothing agent;
step 3, uniformly coating the mixed solution obtained in the step 1 on a flexible rubber pad to form a bottommost layer, and repeatedly coating the mixed solution until the thickness of the bottommost layer reaches 4.5-5.5 mm to form a muscle layer 300;
step 4, continuously and uniformly coating the surface of the prepared muscle layer 300 with a mixed solution obtained by the silicone gel raw material of the fat layer obtained in the same operation as the step 1 to form an intermediate layer, and repeatedly coating the intermediate layer until the thickness of the intermediate layer reaches 4.5mm-5.5mm to form a fat layer 200;
step 5, continuously and uniformly coating a mixed solution obtained by skin layer raw material silica gel in the same operation steps as the step 1 on the surface of the prepared fat layer 200 to form a topmost layer, repeatedly coating the mixed solution until the thickness of the topmost layer reaches 1.0mm-2.0mm to form a skin layer 100, and superposing the muscle layer 300, the fat layer 200 and the skin layer 100 together to form a primary simulated skin;
and 6, placing the preliminary simulation skin prepared in the step 5 indoors for air drying, and obtaining the simulation skin after the preliminary simulation skin is completely air dried.
As a preferred embodiment of the present invention, the method further comprises the step 7: and placing the finally obtained simulated skin in a container filled with medical alcohol for disinfection treatment, taking out the simulated skin after the disinfection treatment is finished, and drying the simulated skin again.
As a preferred embodiment of the present invention, the indoor temperature is maintained at 15 ℃ and the indoor humidity is maintained at 50% during the airing in steps 6 and 7.
As a preferred embodiment of the present invention, the preparation process of the pigment mixture in step 1 is as follows: mixing the pigment agent and the diluent according to a ratio, fully stirring and mixing in a stirring kettle, keeping the temperature at 20 ℃ in the stirring process, mixing for 10min, standing and storing for later use after completely mixing;
as a preferred embodiment of the present invention, the preparation process of the auxiliary solution in step 1 is to mix the silicone defoamer and the thickener according to a ratio, fully stir and mix in a stirring kettle, keep the temperature at 20 ℃ during stirring, mix for 10min, defoam by a defoaming machine after complete mixing, and keep standing for later use.
In addition, the artificial skin of the human body provided by the invention can be used for manufacturing artificial skin with various focuses by matching the mold and adding other materials, wherein the other materials are thermoplastic elastomer (TPE) materials or fiber materials.
Example 2
The invention provides a human body simulated skin which comprises a skin layer 100, a fat layer 200 and a muscle layer 300, wherein the skin layer 100 and the fat layer 200 are bonded through an adhesive, the fat layer 200 and the muscle layer 300 are bonded through the adhesive, a first stripping film 400 is arranged on the surface of the skin layer 100, a first fireproof layer 500 is arranged on the surface of the first stripping film 400, a plurality of irregularly-arranged first simulation bulges 600 are arranged on the surface of the first fireproof layer 500, a second stripping film 700 is arranged on the surface of the muscle layer 300, a second fireproof layer 800 is arranged on the surface of the second stripping film 700, and a plurality of irregularly-arranged second simulation bulges 900 are arranged on the surface of the second fireproof layer 800.
In a preferred embodiment of the present invention, the skin layer 100, the fat layer 200 and the muscle layer 300 are made of silicon rubber, wherein the skin layer 100 has a thickness of 1.0mm to 2.0mm, the fat layer 200 has a thickness of 4.5mm to 5.5mm, and the muscle layer 300 has a thickness of 4.5mm to 5.5 mm.
In a preferred embodiment of the present invention, a first simulated blood vessel 1000 is provided inside the fat layer 200, a second simulated blood vessel 1100 is provided inside the muscle layer 300, a plurality of simulated pores 1200 which are also in communication with the outside are provided inside the skin layer 100, the fat layer 200, and the muscle layer 300, and each of the simulated pores 1200 is in communication with the first simulated blood vessel 1000 and the second simulated blood vessel 1100.
As a preferred embodiment of the present invention, the first and second release films 400 and 700 have a thickness of 0.5mm to 1.0 mm.
As a preferred embodiment of the present invention, the first flame retardant layer 500 and the second flame retardant layer 800 have a thickness of 0.5mm to 1.0 mm.
As a preferred embodiment of the present invention, the first flame retardant layer 500 and the second flame retardant layer 800 are both made of epoxy resin material.
In a preferred embodiment of the present invention, the simulated pores 1200 are also irregularly arranged, and the simulated pores 1200 in the skin layer 100, the fat layer 200, and the muscle layer 300 are communicated with each other.
It should be added that the arrangement of the first release film 400 and the second release film 700 can realize the purpose of keeping the skin surface clean by tearing the release films after use, and the arrangement of the first fireproof layer 500 and the second fireproof layer 800 can realize a relatively ideal fireproof effect, and the arrangement of the first simulated blood vessel 1000, the second simulated blood vessel 1100 and the simulated pore 1200 through the first simulated protrusion 600 and the second simulated protrusion 900 can more truly reflect the original appearance of the skin.
In a preferred embodiment of the present invention, the skin layer 100 is formed of an addition type liquid silicone having a silicone hardness of 10 degrees, the fat layer 200 is formed of a silicone gel, and the muscle layer 300 is formed of an addition type liquid silicone having a silicone hardness of 10 degrees.
In a preferred embodiment of the present invention, the raw materials constituting the skin layer 100, the fat layer 200, and the muscle layer 300 further include a pigment mixture and an auxiliary solution.
As a preferred embodiment of the present invention, the pigment mixture includes a pigment and a diluent, the pigment and the diluent having specific gravities of 75% and 25%, respectively.
As a preferred embodiment of the present invention, the auxiliary solution includes a silicone antifoaming agent and a thickener, the specific gravities of which are 75% and 25%, respectively.
The invention also provides a manufacturing method of the human body simulation skin, which comprises the following steps:
step 1, putting the liquid silica gel, the pigment mixture and the auxiliary solution into a stirring kettle for deep stirring for 12 minutes, maintaining the temperature at 22.5 ℃ in the stirring process, and defoaming by a defoaming machine after stirring is finished for standby;
step 2, preparing a flexible rubber pad with a smooth surface, uniformly coating a layer of liquid smoothing agent on the surface of the flexible rubber pad, standing for 10 minutes, and completely drying the liquid smoothing agent;
step 3, uniformly coating the mixed solution obtained in the step 1 on a flexible rubber pad to form a bottommost layer, and repeatedly coating the mixed solution until the thickness of the bottommost layer reaches 4.5-5.5 mm to form a muscle layer 300;
step 4, continuously and uniformly coating the surface of the prepared muscle layer 300 with a mixed solution obtained by the silicone gel raw material of the fat layer obtained in the same operation as the step 1 to form an intermediate layer, and repeatedly coating the intermediate layer until the thickness of the intermediate layer reaches 4.5mm-5.5mm to form a fat layer 200;
step 5, continuously and uniformly coating a mixed solution obtained by skin layer raw material silica gel in the same operation steps as the step 1 on the surface of the prepared fat layer 200 to form a topmost layer, repeatedly coating the mixed solution until the thickness of the topmost layer reaches 1.0mm-2.0mm to form a skin layer 100, and superposing the muscle layer 300, the fat layer 200 and the skin layer 100 together to form a primary simulated skin;
and 6, placing the preliminary simulation skin prepared in the step 5 indoors for air drying, and obtaining the simulation skin after the preliminary simulation skin is completely air dried.
As a preferred embodiment of the present invention, the method further comprises the step 7: and placing the finally obtained simulated skin in a container filled with medical alcohol for disinfection treatment, taking out the simulated skin after the disinfection treatment is finished, and drying the simulated skin again.
As a preferred embodiment of the present invention, the indoor temperature is maintained at 17 ℃ and the indoor humidity is maintained at 60% during the airing in steps 6 and 7.
As a preferred embodiment of the present invention, the preparation process of the pigment mixture in step 1 is as follows: mixing the pigment agent and the diluent according to a ratio, fully stirring and mixing in a stirring kettle, keeping the temperature at 22.5 ℃ in the stirring process, mixing for 12.5min, standing and storing for later use after completely mixing;
as a preferred embodiment of the present invention, the preparation process of the auxiliary solution in step 1 is to mix the silicone defoamer and the thickener according to a ratio, fully stir and mix in a stirring kettle, keep the temperature at 22.5 ℃ during stirring, mix for 12.5min, and after complete mixing, defoam and store in a defoaming machine for standby.
In addition, the artificial skin of the human body provided by the invention can be used for manufacturing artificial skin with various focuses by matching the mold and adding other materials, wherein the other materials are thermoplastic elastomer (TPE) materials or fiber materials.
Example 3
The invention provides a human body simulated skin which comprises a skin layer 100, a fat layer 200 and a muscle layer 300, wherein the skin layer 100 and the fat layer 200 are bonded through an adhesive, the fat layer 200 and the muscle layer 300 are bonded through the adhesive, a first stripping film 400 is arranged on the surface of the skin layer 100, a first fireproof layer 500 is arranged on the surface of the first stripping film 400, a plurality of irregularly-arranged first simulation bulges 600 are arranged on the surface of the first fireproof layer 500, a second stripping film 700 is arranged on the surface of the muscle layer 300, a second fireproof layer 800 is arranged on the surface of the second stripping film 700, and a plurality of irregularly-arranged second simulation bulges 900 are arranged on the surface of the second fireproof layer 800.
In a preferred embodiment of the present invention, the skin layer 100, the fat layer 200 and the muscle layer 300 are made of silicon rubber, wherein the skin layer 100 has a thickness of 1.0mm to 2.0mm, the fat layer 200 has a thickness of 4.5mm to 5.5mm, and the muscle layer 300 has a thickness of 4.5mm to 5.5 mm.
In a preferred embodiment of the present invention, a first simulated blood vessel 1000 is provided inside the fat layer 200, a second simulated blood vessel 1100 is provided inside the muscle layer 300, a plurality of simulated pores 1200 which are also in communication with the outside are provided inside the skin layer 100, the fat layer 200, and the muscle layer 300, and each of the simulated pores 1200 is in communication with the first simulated blood vessel 1000 and the second simulated blood vessel 1100.
As a preferred embodiment of the present invention, the first and second release films 400 and 700 have a thickness of 0.5mm to 1.0 mm.
As a preferred embodiment of the present invention, the first flame retardant layer 500 and the second flame retardant layer 800 have a thickness of 0.5mm to 1.0 mm.
As a preferred embodiment of the present invention, the first flame retardant layer 500 and the second flame retardant layer 800 are both made of epoxy resin material.
In a preferred embodiment of the present invention, the simulated pores 1200 are also irregularly arranged, and the simulated pores 1200 in the skin layer 100, the fat layer 200, and the muscle layer 300 are communicated with each other.
It should be added that the arrangement of the first release film 400 and the second release film 700 can realize the purpose of keeping the skin surface clean by tearing the release films after use, and the arrangement of the first fireproof layer 500 and the second fireproof layer 800 can realize a relatively ideal fireproof effect, and the arrangement of the first simulated blood vessel 1000, the second simulated blood vessel 1100 and the simulated pore 1200 through the first simulated protrusion 600 and the second simulated protrusion 900 can more truly reflect the original appearance of the skin.
In a preferred embodiment of the present invention, the skin layer 100 is formed of an addition type liquid silicone having a silicone hardness of 10 degrees, the fat layer 200 is formed of a silicone gel, and the muscle layer 300 is formed of an addition type liquid silicone having a silicone hardness of 10 degrees.
In a preferred embodiment of the present invention, the raw materials constituting the skin layer 100, the fat layer 200, and the muscle layer 300 further include a pigment mixture and an auxiliary solution.
As a preferred embodiment of the present invention, the pigment mixture includes a pigment and a diluent, the pigment and the diluent having specific gravities of 75% and 25%, respectively.
As a preferred embodiment of the present invention, the auxiliary solution includes a silicone antifoaming agent and a thickener, the specific gravities of which are 75% and 25%, respectively.
The invention also provides a manufacturing method of the human body simulation skin, which comprises the following steps:
step 1, putting the liquid silica gel, the pigment mixture and the auxiliary solution into a stirring kettle for deep stirring for 15 minutes, maintaining the temperature at 25 ℃ in the stirring process, and defoaming by a defoaming machine for standby after stirring;
step 2, preparing a flexible rubber pad with a smooth surface, uniformly coating a layer of liquid smoothing agent on the surface of the flexible rubber pad, standing for 10 minutes, and completely drying the liquid smoothing agent;
step 3, uniformly coating the mixed solution obtained in the step 1 on a flexible rubber pad to form a bottommost layer, and repeatedly coating the mixed solution until the thickness of the bottommost layer reaches 4.5-5.5 mm to form a muscle layer 300;
step 4, continuously and uniformly coating the surface of the prepared muscle layer 300 with a mixed solution obtained by the silicone gel raw material of the fat layer obtained in the same operation as the step 1 to form an intermediate layer, and repeatedly coating the intermediate layer until the thickness of the intermediate layer reaches 4.5mm-5.5mm to form a fat layer 200;
step 5, continuously and uniformly coating a mixed solution obtained by skin layer raw material silica gel in the same operation steps as the step 1 on the surface of the prepared fat layer 200 to form a topmost layer, repeatedly coating the mixed solution until the thickness of the topmost layer reaches 1.0mm-2.0mm to form a skin layer 100, and superposing the muscle layer 300, the fat layer 200 and the skin layer 100 together to form a primary simulated skin;
and 6, placing the preliminary simulation skin prepared in the step 5 indoors for air drying, and obtaining the simulation skin after the preliminary simulation skin is completely air dried.
As a preferred embodiment of the present invention, the method further comprises the step 7: and placing the finally obtained simulated skin in a container filled with medical alcohol for disinfection treatment, taking out the simulated skin after the disinfection treatment is finished, and drying the simulated skin again.
As a preferred embodiment of the present invention, the indoor temperature is maintained at 20 ℃ and the indoor humidity is maintained at 65% during the airing in steps 6 and 7.
As a preferred embodiment of the present invention, the preparation process of the pigment mixture in step 1 is as follows: mixing the pigment agent and the diluent together according to a ratio, fully stirring and mixing in a stirring kettle, keeping the temperature at 25 ℃ in the stirring process, mixing for 15min, standing and storing for later use after completely mixing;
as a preferred embodiment of the present invention, the preparation process of the auxiliary solution in step 1 is to mix the silicone defoamer and the thickener according to a specific weight ratio, fully stir and mix in a stirring kettle, keep the temperature at 25 ℃ during stirring, mix for 15min, and after complete mixing, defoam and store in a defoaming machine for standby.
In addition, the artificial skin of the human body provided by the invention can be used for manufacturing artificial skin with various focuses by matching the mold and adding other materials, wherein the other materials are thermoplastic elastomer (TPE) materials or fiber materials.
The human body simulated skin prepared by the three embodiments is compared with the existing human body simulated skin by experiments, and the obtained data is as follows:
| tensile property | Flexibility | Elasticity | Texture and touch | Service life | |
| Example 1 | High strength | Excellent softness | Excellent elasticity | Close to human skin | For 3 to 5 years |
| Example 2 | High strength | Excellent softness | Excellent elasticity | Close to human skin | For 3 to 5 years |
| Example 3 | High strength | Excellent softness | Excellent elasticity | Close to human skin | For 3 to 5 years |
| Existing products | Weak (weak) | The surface is rough | Poor elasticity | Is greatly different from the skin of human body | 1 to 2 years old |
The experimental data clearly show that the human body simulated skin manufactured by the human body simulated skin and the manufacturing method thereof provided by the invention is superior to the traditional human body simulated skin in all indexes and has stronger practical practicability.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An artificial skin of a human body, comprising a skin layer (100), a fat layer (200) and a muscle layer (300), wherein the skin layer (100) and the fat layer (200) are bonded by adhesive, and the fat layer (200) and the muscle layer (300) are bonded by adhesive, characterized in that: the surface of skin layer (100) is equipped with first peel off membrane (400), the surface of first peel off membrane (400) is equipped with first flame retardant coating (500), the surface of first flame retardant coating (500) is equipped with the first simulation of a plurality of irregular arrangements protruding (600), the surface of muscle layer (300) is equipped with the second and peels off membrane (700), the surface that membrane (700) were peeled off to the second is equipped with second flame retardant coating (800), the surface of second flame retardant coating (800) is equipped with the second simulation of a plurality of irregular arrangements protruding (900).
2. The anthropomorphic skin of claim 1 wherein: the skin layer (100), the fat layer (200) and the muscle layer (300) are all made of silica gel raw materials, wherein the thickness of the skin layer (100) is 1.0-2.0 mm, the thickness of the fat layer (200) is 4.5-5.5 mm, and the thickness of the muscle layer (300) is 4.5-5.5 mm.
3. The anthropomorphic skin of claim 1 wherein: the inside of fat layer (200) is equipped with first simulated blood vessel (1000), and the inside of muscle layer (300) is equipped with second simulated blood vessel (1100), and the inside of skin layer (100), fat layer (200) and muscle layer (300) all is equipped with a plurality of simulated pores (1200) that also external intercommunication, every simulated pore (1200) all communicate with first simulated blood vessel (1000) and second simulated blood vessel (1100).
4. The anthropomorphic skin of claim 1 wherein: the thickness of the first release film (400) and the second release film (700) is 0.5mm to 1.0 mm.
5. The anthropomorphic skin of claim 1 wherein: the thickness of the first fireproof layer (500) and the second fireproof layer (800) is 0.5mm-1.0 mm.
6. The anthropomorphic skin of claim 1 wherein: the first fireproof layer (500) and the second fireproof layer (800) are both made of epoxy resin materials.
7. The anthropomorphic skin of claim 1 wherein: the simulated pores (1200) are also irregularly arranged, and the simulated pores (1200) in the skin layer (100), the fat layer (200) and the muscle layer (300) are mutually communicated.
8. A method for manufacturing human body simulation skin is characterized in that: the method comprises the following steps:
step 1, putting the liquid silica gel, the pigment mixture and the auxiliary solution into a stirring kettle for deep stirring for 10 minutes, maintaining the temperature at 20 ℃ in the stirring process, and defoaming by a defoaming machine for standby after stirring;
step 2, preparing a flexible rubber pad with a smooth surface, uniformly coating a layer of liquid smoothing agent on the surface of the flexible rubber pad, standing for 10 minutes, and completely drying the liquid smoothing agent;
step 3, uniformly coating the mixed solution obtained in the step 1 on a flexible rubber pad to form a bottommost layer, and repeatedly coating the mixed solution until the thickness of the bottommost layer reaches 4.5-5.5 mm to form a muscle layer (300);
step 4, continuously and uniformly coating the surface of the prepared muscle layer (300) with a mixed solution obtained by the silicone gel raw material of the fat layer obtained in the same operation as the step 1 to form an intermediate layer, and repeatedly coating the intermediate layer until the thickness of the intermediate layer reaches 4.5-5.5 mm to form a fat layer (200);
step 5, continuously and uniformly coating a mixed solution obtained by skin layer raw material silica gel in the same operation steps as the step 1 on the surface of the prepared fat layer (200) to form a topmost layer, repeatedly coating the mixed solution until the thickness of the topmost layer reaches 1.0-2.0 mm to form a skin layer (100), and superposing the muscle layer (300), the fat layer (200) and the skin layer (100) together to form a primary simulated skin;
and 6, placing the preliminary simulation skin prepared in the step 5 indoors for air drying, and obtaining the simulation skin after the preliminary simulation skin is completely air dried.
9. The method of manufacturing human simulated skin of claim 8, wherein: further comprising step 7: and (3) placing the finally obtained simulated skin in a container filled with medical alcohol for disinfection treatment, taking out the simulated skin after the disinfection treatment is finished, and drying the simulated skin again, wherein the indoor temperature is kept at 15 ℃ and the indoor humidity is kept at 50% in the drying process in the steps 6 and 7.
10. The method of manufacturing human simulated skin of claim 8, wherein: the preparation process of the pigment mixture in the step 1 comprises the following steps: mixing the pigment agent and the diluent according to a ratio, fully stirring and mixing in a stirring kettle, keeping the temperature at 20 ℃ in the stirring process, mixing for 10min, standing and storing for later use after completely mixing; the preparation process of the auxiliary solution in the step 1 is to mix the organic silicon defoaming agent and the thickening agent together according to a ratio, fully stir and mix in a stirring kettle, keep the temperature at 20 ℃ in the stirring process, mix for 10min, defoam by a defoaming machine after complete mixing, and keep stand for later use.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113077702A (en) * | 2021-04-07 | 2021-07-06 | 北京宇恒星艺科技有限公司 | Silica gel doll simulation skin structure |
| CN113740491A (en) * | 2021-08-27 | 2021-12-03 | 无限极（中国）有限公司 | Simulated skin for sensory evaluation and preparation method thereof |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113077702A (en) * | 2021-04-07 | 2021-07-06 | 北京宇恒星艺科技有限公司 | Silica gel doll simulation skin structure |
| CN113740491A (en) * | 2021-08-27 | 2021-12-03 | 无限极（中国）有限公司 | Simulated skin for sensory evaluation and preparation method thereof |
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