CN111161612A

CN111161612A - Environment-friendly silica gel material human body medical anatomy teaching model and manufacturing process thereof

Info

Publication number: CN111161612A
Application number: CN202010178861.4A
Authority: CN
Inventors: 钟海蛟; 马强; 吴波; 陈圆武
Original assignee: Zhangjiagang Deren Scientific Equipment Co ltd
Current assignee: Zhangjiagang Deren Scientific Equipment Co ltd
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2020-05-15

Abstract

The invention discloses an environmentally friendly silicone material human medical anatomy teaching model and a manufacturing process thereof, which are characterized in that: the human medical anatomy teaching model comprises a human torso part and a head part made by embedding linings with silicone materials; The silica gel material is inorganic soft silica gel, and the lining is a support body with certain mechanical hardness and shape made according to human organs and tissues; the head part of the human body medical anatomy teaching model can be connected with the human body torso. Partially detachable connection, which includes the face, skull and detachable brain. The invention adopts environmentally friendly soft silica gel material to embed the lining to form a model, and uses the different degrees of softness of silica gel to reflect the degree of softness and hardness of different tissues of the human body, which is more vivid and durable. The smooth and realistic feel and accurate shape are convenient for teaching display and simulated anatomy training, and are very scientific and practical.

Description

Environment-friendly silica gel material human body medical anatomy teaching model and manufacturing process thereof

Technical Field

The invention relates to an environment-friendly silica gel material human medical anatomy teaching model and a manufacturing process thereof.

Background

In medicine, human anatomy is generally considered to be a relatively difficult subject, and a doctor who performs human anatomy needs to accurately grasp the structures of all nerves, blood vessels, and muscles of an anatomical region. However, in the teaching process, only depending on the boring explanation, students can feel boring and tasteless, and the students cannot be visually impressed, so that the teaching aid is not beneficial to memory. Therefore, the human anatomy models are required to be used for explanation, and the human anatomy models can not only enhance the memory effect of students, but also simulate relevant anatomy operation, provide a carrier for anatomy training for the students, and further develop the anatomy actual combat ability of the students. The human anatomy model needs to vividly show the internal structure of each organ of the human body, most of the existing human medical anatomy models in the market are made of plastic materials, the texture of the model is generally hard, the model can only simply reflect the shape of human tissues, the hardness and softness of different tissues of the human body cannot be directly and objectively expressed, and the model cannot be shown to be not vivid enough; in addition, due to the nature of the plastic texture, the mold is brittle and easily damaged, which is not conducive to storage, cleaning and use.

Disclosure of Invention

Aiming at the problems, the invention provides a human body medical anatomy teaching model made of environment-friendly soft silica gel material and a manufacturing process thereof. The specific technical scheme is as follows:

the utility model provides an environmental protection silica gel material human medical anatomy teaching model which characterized in that: the human medical anatomy teaching model comprises a human trunk part and a head part which are made of silica gel material embedded linings; the silica gel material is inorganic soft silica gel, and the lining is a support body which is made according to human organs and tissues and has certain mechanical hardness and shape; the head portion of the human medical anatomical teaching model is removably attachable to the body portion and includes a face, a skull, and a detachable brain.

Preferably, the trunk portion of the human body is attached with a chest muscle group, an abdomen muscle group and a shoulder muscle group.

Preferably, the face is attached with a facial muscle group, and the brain comprises a detachable brain and a brain stem; the brainstem comprises a midbrain, a pons, a medulla oblongata and a nerve network, vertebral arteries are further distributed on the ventral surface and the back surface of the midbrain of the brainstem, and the whole brainstem can be split into two parts along the middle sulcus.

Preferably, the neural network includes optic tracts and nerves distributed at the junction of the midbrain and the pons, trigeminal nerves distributed over the pons, and accessory nerves distributed over the medulla oblongata.

The manufacturing process of the environment-friendly silica gel material human medical anatomy teaching model comprises the following steps:

s1: designing an inner lining: designing a lining object of the human medical anatomical teaching model to be manufactured according to the actual shape and size of the actual human organ and tissue in proportion;

s2: preparing a silica gel solution: according to the requirements of the soft and hard degree of the model to be manufactured, different formulas are adopted to prepare silica gel solutions, so that the soft and hard degree of the model after molding is ensured;

s3: manufacturing a mold blank: placing the lining object manufactured in the step S1 in a mould corresponding to the manufactured model according to requirements, slowly injecting the silica gel solution prepared in the step S2 into the mould once or for multiple times, embedding the lining object, taking out the silica gel solution from the mould after the silica gel is solidified to a certain degree to obtain a model white blank, and storing the blank for later use after finishing;

s4: coloring treatment: coloring the manufactured model white blank by using environment-friendly silica gel paints with different colors to distinguish different organs and tissues, and marking each structure of the model by using a marking pen so as to obtain a human medical anatomy teaching model finished product;

s5: and (4) quality inspection and warehousing: and (4) carrying out strict quality inspection on the colored human medical anatomical teaching model finished product according to the product quality requirement, and packaging and warehousing the defective products, the defective products and the waste products after being removed.

In step S1, the material of the lining is selected from suitable materials according to the actual hardness of human organs and tissues, including metal, plastic, rubber and silicone.

In a preferred technical solution, in step S2, the formulation of the silica gel solution includes the following components in parts by weight: 30-50 parts of silicon dioxide, 30-50 parts of compounding agent, 1-3 parts of catalyst, 3-6 parts of curing agent and 0.5-2 parts of lubricating oil.

In a further preferred embodiment, the compounding agent is white carbon black, the catalyst is a platinum catalyst, and the curing agent is colorless aliphatic amine.

Preferably, in step S3, the step of manufacturing the mold blank further includes a vacuum-pumping step: after the silica gel solution is injected into the mold, the mold is placed into a vacuum box, the pressure of a vacuum pump is adjusted to be 0.1-0.3 MPa, all gas in the mold is discharged, and the product quality is guaranteed.

Preferably, in step S4, the environment-friendly silica gel paint used for the coloring treatment is a silica gel hand feeling paint, and the marking pen used is an oil-based marking pen for silica gel materials.

The invention has the following beneficial effects:

the human anatomy model adopts the environment-friendly soft silica gel material to embed the lining to form a model entity, and uses the environment-friendly paint material to carry out coloring treatment, so as to visually reflect the internal structure of each organ of the human body; the invention reflects the soft and hard degree of different tissues of human body by utilizing different soft degree of silica gel, and is more vivid, and because the silica gel material has the characteristic that a plurality of other similar materials are difficult to replace, the silica gel material has high adsorption performance, good thermal stability, stable chemical property and higher mechanical strength, the manufactured model is firm and durable, air holes can not be seen on the surface of the product, the model has smooth and vivid hand feeling and accurate appearance, is convenient for teaching display and simulated anatomical training, and has very strong scientificity and practicability.

Drawings

FIG. 1 is a schematic structural diagram of a teaching model for human medical anatomy made of an environment-friendly silica gel material according to the present invention;

FIG. 2 is a schematic view of the liner structure of the torso portion of the dummy body according to the present invention;

FIG. 3 is a cross-sectional view of the waist of the torso portion of a model human body in accordance with the present invention;

FIG. 4 is a schematic view of the head portion of the model of the present invention;

FIG. 5 is a schematic diagram of a brain structure of a model of the present invention;

FIG. 6 is a schematic structural diagram of a ventral surface of a model brain stem according to the present invention;

FIG. 7 is a schematic diagram of the back structure of the model brainstem according to the present invention.

In the figure: 1. a human torso portion; 101. a thoracic muscle group; 102. the abdominal muscle group; 103. a shoulder muscle group; 2. a head portion; 21. a face; 211. a facial muscle group; 22. the skull; 23. a brain; 3. soft silica gel; 4. an inner liner; 5. the brain; 6. a brainstem; 61. the midbrain; 62. the pons; 63. medulla oblongata; 64. a neural net; 641. optic tract and optic nerve; 642. the trigeminal nerve; 643. the accessory nerve; 7. a middle main ditch; 8. the vertebral artery.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the embodiments and the accompanying drawings, and it is to be understood that the described embodiments are only some preferred embodiments, not all embodiments, and not other limitations of the present invention, and that any person skilled in the art may make changes or modifications using the technical contents disclosed. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Example 1

The embodiment is a medical anatomy teaching model of making a human trunk part 1 of environmental protection silica gel material, and this human trunk medical anatomy teaching model is the model body that forms including the inside lining thing 4 embedding that inorganic soft silica gel 3 will play the supporting role has specific shape, as shown in fig. 1 to 3, has tied up muscle groups such as pectoral muscle, abdominal muscle, shoulder muscle on this human trunk model, and its manufacture craft includes the step as follows:

s1: designing an inner lining: designing a lining of the human medical anatomical teaching model to be manufactured according to the actual shape and size of the actual human body trunk; the lining 4 is made of high-temperature-resistant plastic or metal materials to ensure the supporting force of the model, and other organs and tissues with softer texture can be made of rubber or silica gel materials, so that the model conforms to the hardness degree of the actual organs or tissues.

S2: preparing a silica gel solution: according to the soft and hard degree of muscles on the trunk of a human body, the following formula is adopted to prepare the silica gel solution so as to ensure that the model conforms to the actual soft and hard degree after being molded. The formula of the silica gel solution comprises the following components in parts by weight: 35 parts of silicon dioxide, 35 parts of compounding agent, 1 part of colorless catalyst, 4 parts of curing agent and 1 part of lubricating oil; wherein. The compounding agent is white carbon black, the catalyst is platinum, and the curing agent is aliphatic amine.

S3: manufacturing a mold blank: cleaning the surface of a mold for manufacturing the human body, adding a proper amount of lubricating oil, then placing the liner of the human body manufactured in the step S1 in the mold for manufacturing the human body as required, then injecting the silica gel solution prepared in the step S2 into the mold all at once so as to embed the liner, then placing the mold into a vacuum box to adjust the pressure of a vacuum pump to 0.1-0.3 MPa, and completely discharging the gas in the mold; and then taking the mold out of the vacuum box, putting the mold on a workbench, and taking the mold out after the silica gel is solidified to a certain degree to obtain a white human body trunk model blank. Then trimming the patchwork lines on the surface of the glass substrate neatly, and storing the glass substrate in a clean and tidy room so as to enter the next process.

S4: coloring treatment: the chest muscle group 101, the abdomen muscle group 102, the abdomen muscle group 103 and other tissues of the white embryo of the human body trunk model are colored and distinguished by using environment-friendly silica gel paint-silica gel hand feeling paint with different colors, and each structure of the human body trunk model is marked by using a marking pen with strong affinity with silica gel material-an oil marking pen for silica gel material, so that a human medical anatomy teaching model finished product is obtained;

s5: and (4) quality inspection and warehousing: after coloring, strict quality inspection is required according to the product quality requirement, defective products and waste products are removed and then packaged and put in storage, and therefore the medical anatomy teaching model of the human trunk part 1 is completed.

Example 2

In this embodiment, a medical anatomical teaching model of a head part 2 of a human body made of an environment-friendly silica gel material is manufactured, and the medical anatomical teaching model of the head part 2 is also a model body with a specific shape formed by embedding an inner lining 4 with a supporting function in inorganic soft silica gel 3 and can be connected with the medical anatomical teaching model of the body part 1 manufactured in embodiment 1 in a matching manner; as shown in fig. 4 to 7, the head portion 2 includes a face 21 to which a facial muscle group 211 is attached, a skull 22, and a brain 23; the back side of the skull 22 can be opened and the brain 23 is located in the cranial cavity formed by the skull 22 and comprises a detachable brain 5 and a brain stem 6. The brainstem 6 comprises a midbrain 61, a pons 62, a medulla oblongata 63 and a nerve network 64, vertebral arteries 8 are further distributed on the ventral surface of the brainstem 6 and the back surface of the midbrain 61, and the whole brainstem 6 can be split into two parts along a middle sulcus 7. The neural network 64 includes optic tracts and nerves 641 distributed at the junction of the midbrain 61 and the pons 62, trigeminal nerves 642 distributed over the pons 62, and accessory nerves 643 distributed over the medulla oblongata 63.

The manufacturing process of the medical anatomy teaching model of the human head part 2 is the same as the step of finding the medical anatomy teaching model of the human body trunk part 1 in the embodiment 1, but it should be noted that:

in step S1, the designed lining material 4 is designed according to the shape and size of each organ and tissue of the actual human head portion 2, and the material of the lining material is selected according to the hardness of the actual tissue and organ.

In step S2, the formulations of the prepared silica gel solutions are different. The formula of the silica gel solution for preparing the face 21 and the skull 22 comprises the following components in parts by weight: 46 parts of silicon dioxide, 46 parts of compounding agent, 2 parts of colorless catalyst, 5 parts of curing agent and 2 parts of lubricating oil; the formula of the silica gel solution for preparing the brain 5 comprises the following components in parts by weight: 42 parts of silicon dioxide, 42 parts of compounding agent, 1.5 parts of colorless catalyst, 3 parts of curing agent and 1.5 parts of lubricating oil; the formula of the silica gel solution for preparing the brainstem 6 comprises the following components in parts by weight: 44 parts of silicon dioxide, 45 parts of compounding agent, 2 parts of colorless catalyst, 4.5 parts of curing agent and 1 part of lubricating oil; .

When the mold blank is manufactured in step S3, the lining and the mold for manufacturing each organ and tissue of the head part are assembled in place according to the position of the actual organ and tissue of the human body, and then the manufactured silica gel solution is injected into the mold by times, generally, the brain 5 and the brain stem 6 are firstly injected, and then the face 21 and the skull 22 are injected. After vacuum pumping, taking out after curing and demoulding of the silica gel, and obtaining the corresponding model white blank. After the coloring treatment in step S4, a medical anatomical teaching model product of each organ and tissue of the head portion 2 is obtained.

Claims

1. an environmental protection silicone material human body medical anatomy teaching model, it is characterized in that: this human body medical anatomy teaching model comprises the human body torso part and the head part that are made with silica gel material embedding lining; Described silica gel material is inorganic soft material. The inner lining is a support body with certain mechanical hardness and shape made according to human organs and tissues; the head part of the human body medical anatomy teaching model can be detachably connected with the human body torso part, and its Includes face, skull and separable brain.

2 . The environmental protection silicone material human medical anatomy teaching model according to claim 1 , wherein the human torso is bound with a chest muscle group, an abdominal muscle group and a shoulder muscle group. 3 .

3. The environmental protection silicone material human medical anatomy teaching model according to claim 1, characterized in that: the face is bound with a facial muscle group; the brain further comprises a detachable brain and a brain stem; the brain stem Including the midbrain, pons, medulla oblongata and neural network, the ventral surface of the brainstem and the back of the midbrain are also distributed with vertebral arteries, and the entire brainstem can be split into two halves along the median sulcus.

4. The environmental protection silicone material human medical anatomy teaching model according to claim 3, wherein the neural network comprises the optic tract and the optic nerve distributed at the junction of the midbrain and the pons, the trigeminal nerve distributed on the pons, and Accessory nerves in the medulla oblongata.

5. A manufacturing process of an environmentally friendly silicone material human medical anatomy teaching model, characterized in that: the process is to make the human medical anatomy teaching model described in any one of claims 1 to 4, comprising the following steps:

S1: Design lining: according to the actual shape and size of the actual human organs and tissues, design the lining of the human medical anatomy teaching model to be made in proportion;

S2: Preparation of silica gel solution: According to the requirements of the softness and hardness of the model to be made, different formulas are used to prepare the silica gel solution to ensure the softness and hardness of the model after molding;

S3: Making a mold base: place the lining made in step S1 in the corresponding mold for making the model as required, and then slowly inject the silica gel solution prepared in step S2 into the mold one or more times, and wrap the lining in the mold. Buried, after the silica gel has cured to a certain extent, take it out from the mold to obtain a white embryo of the model, and store it for later use after trimming;

S4: Coloring treatment: Use different colors of environmentally friendly silicone paint to color the white embryo of the model to distinguish different organs and tissues, and use a marker to mark each structure of the model, so as to obtain the finished human medical anatomy teaching model;

S5: Quality inspection and storage: The finished human medical anatomy teaching model that has been colored will undergo strict quality inspection according to product quality requirements.

6. The manufacturing process of the environmental-friendly silicone material human medical anatomy teaching model according to claim 4, characterized in that: in step S1, the material of the lining is selected according to the actual softness and hardness of human organs and tissues. , including metal, plastic, rubber and silicone materials.

7. The manufacturing process of the environmental-friendly silica gel material human medical anatomy teaching model according to claim 4, characterized in that: in step S2, the formula of the silica gel solution comprises the following components in parts by weight: silica 30～ 50 parts, 30-50 parts of compounding agent, 1-3 parts of catalyst, 3-6 parts of curing agent, 0.5-2 parts of lubricating oil.

8. The manufacturing process of the environmental protection silicone material human medical anatomy teaching model according to claim 6, wherein the compounding agent is white carbon black, the catalyst is a platinum catalyst, and the curing agent is a colorless aliphatic amine .

9. The manufacturing process of the environmental protection silicone material human medical anatomy teaching model according to claim 4, characterized in that: in step S3, the manufacturing mold base further comprises a vacuuming process: after the silica gel solution is injected into the mold, it is put into Adjust the vacuum pump pressure in the vacuum box to 0.1 ~ 0.3MPa, and discharge all the gas in the mold to ensure product quality.

10. The manufacturing process of the environmental protection silicone material human medical anatomy teaching model according to claim 4, characterized in that: in step S4, the environmentally friendly silicone paint used in the coloring treatment is silicone hand paint, and the marker used is Oil-based markers for silicone materials.