CN211506909U

CN211506909U - High-simulation silica gel human body medical model

Info

Publication number: CN211506909U
Application number: CN202020316326.6U
Authority: CN
Inventors: 钟海蛟; 邴鲁军; 林荣; 王水泉
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: 2020-09-15
Anticipated expiration: 2030-03-15

Abstract

The utility model discloses a high-simulation silica gel human body medical model, which is a human head and neck model and comprises a skeleton part, a skin layer and related tissues coated on bones in the skin layer; the skeleton part is a lining support designed according to the shape and size of the human head skeleton; the muscle tissue and the skin layer are both made of silica gel materials. The manufacturing process comprises the working procedures of model design, mold manufacturing, silica gel solution preparation, casting molding, hair implantation, false tooth artificial eye installation, surface color treatment, labeling and the like. The method is simple, the silica gel formula is prepared according to the actual softness of human organs and tissues, the hand feeling is close to the real human tissues and organs, the whole model is extremely high in simulation degree and lifelike, the corresponding human organs and tissues are truly simulated and displayed, the method is suitable for medical teaching and process display, and the method has very good application prospect and economic value.

Description

High-simulation silica gel human body medical model

Technical Field

The utility model relates to a high-simulation silica gel human body medical model and a manufacturing method thereof.

Background

The human body medical model refers to some medical simulation instruments used in medicine or contacted with the same, including models simulating the whole human body structure or simulating a certain part or organ of the human body, and some medical instruments which must be involved in the medicine. The medical models in China increasingly enter the sight of people, and are used for basic medical anatomy experiments and clinical surgical teaching, and popular science displays such as museums, art museums and popular science museums. The models are helpful for people to learn necessary emergency rescue techniques and to know basic structures of human bodies, for example, medical model cardiopulmonary resuscitation simulators are popularized to multiple education system units such as medical sanitation, medical education, red cross, electricity, traffic, fire protection, safety production, public communities and the like, and occupy considerable market share.

However, most of the existing models are made of PVC materials, and have the disadvantages of rough manufacture, high hardness, poor simulation effect, limited fidelity of display, certain deviation in the teaching and display processes, and poor hand feeling effect and experience.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a high emulation silica gel human medical model preparation method and face structure model, this model mainly add the inside lining supporter preparation through silica gel and form, all have very big promotion in the aspect of fidelity and feeling, further promote the preparation level of current medical model. The specific technical scheme is as follows:

a high-simulation silica gel human body medical model is a human head and neck model, which comprises a bone part, a skin layer and related tissues coated on the bone in the skin layer; the skeleton part is a lining support designed according to the shape and size of the human head skeleton; the related tissues and the skin layer are made of silica gel materials.

In the high-simulation silica gel human medical model, the eyes of the human head and neck model are simulation artificial eyes, and the mouth of the human head and neck model is internally provided with simulation artificial teeth; the eyelashes on the eyes and the eyebrows above are both implanted simulated or real hairs.

According to the high-simulation silica gel human medical model, the cheek on one side of the human head and neck model is provided with the anatomical observation surface, the anatomical observation surface is provided with the related tissues, and the related tissues comprise muscular tissues, blood vessel tissues of the face and the neck, parotid gland tissues, a lower jawbone dissection surface, a tongue and a gum.

Aforementioned high emulation silica gel human medical model, the inside lining supporter is made for metal or plastics material, the silica gel material is inorganic soft silica gel.

The utility model discloses the beneficial effect who possesses as follows:

the utility model has simple manufacturing method and is manufactured by embedding the lining support with soft silica gel; the formula of the silica gel is prepared according to the actual hardness degree of human organs and tissues, and the hand feeling of the prepared human medical model is close to that of real human tissues and organs. Just the utility model discloses add the pigment in the used silica gel of mould skin, relevant tissue and organ feel the lacquer through the silica gel and color to install artificial eye, artificial tooth and the hair of emulation, whole model emulation is high very much, and is lifelike, has really simulated corresponding human organ and tissue of show, has promoted the preparation level of current medical model. The utility model discloses the model is adapted to medical teaching, technology show, aspects such as science popularization propaganda to in-process application effect at teaching and show is fabulous, feels and experiences and feels and all surpass traditional PVC model greatly, receives extensive concern and favor, has very good application prospect and economic value.

Drawings

Fig. 1 is the structure schematic diagram of the high-simulation silica gel human medical model of the utility model.

In the figure: 1. a human head and neck model; 2. a bone portion; 3. a skin layer; 4. simulating an artificial eye; 5. simulating artificial teeth; 6. hair; 7. dissecting the observation surface; 8. muscle tissue; 9. vascular tissue; 10. parotid tissue; 11. sectioning the mandible; 12. a tongue; 13. a teethridge.

Detailed Description

The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings and examples, it is to be understood that the embodiments are merely exemplary and not restrictive of the invention, and that various changes, modifications and equivalents may be made by those skilled in the art using the teachings herein. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Example 1

In this embodiment, a high-simulation silica gel human body medical model is manufactured, as shown in fig. 1, the model is a human head and neck model 1, which includes a bone part 2, a skin layer 3 and related tissues coated on bones in the skin layer 3; the skeleton part 2 is a lining support which is designed according to the shape and size of the human head skeleton and is made of metal or plastic materials; the muscle tissue 8 and the skin layer 3 are both made of inorganic soft silica gel materials. The eyes of the model are artificial eyes 4, and the mouth of the model is internally provided with an artificial tooth 5; the eyelashes on the eyes and the eyebrows above the eyelashes are implanted simulated or real hairs 6, the whole model looks very lifelike, the hand feeling is also close to a real human body, and the model is lifelike so to speak.

In addition, the cheek on one side of the high-simulation silica gel human medical head model can be provided with an anatomical observation surface 7, the anatomical observation surface 7 is provided with related tissues, and the related tissues comprise muscle tissues 8, blood vessel tissues 9 of the face and the neck, parotid gland tissues 10, a lower jawbone section 11, a tongue 12 and a gum 13. The structure of the cheek of the human body is vividly displayed, so that the teaching and displaying are convenient, and the direct-looking and experience feeling is very strong.

The specific manufacturing method of the high-simulation silica gel human medical model comprises the following steps:

1) designing a model and manufacturing a mold: designing the specific form and structure of the medical model according with the requirement and the purpose according to the real structure of the human body, and determining the size and the proportion of the manufactured model; and designing and manufacturing a corresponding mold and a lining support according to the shape, the size and the proportion of the designed model. For example, in the above-mentioned human head and neck structure demonstration, a metal material can be selected as a main part of the skull, the jawbone is made of hard plastic, and a corresponding mold is made according to the designed head shape. In addition, before the mould is manufactured, the model is designed and engraved, ground and polished, which is a premise that the simulation degree, the fidelity degree and the effect degree of the designed model product are important, and the quality of the mould and the effect of the model in the next procedure are directly influenced.

2) Preparation of a silica gel solution: respectively preparing a silica gel solution according to the hardness and softness of a real human body structure corresponding to a model to be manufactured, wherein the silica gel solution comprises the following components in parts by weight: 40-50 parts of silicon dioxide, 40-50 parts of compounding agent, 1.5-3 parts of colorless catalyst, 4-6 parts of curing agent, 0.5-1.5 parts of lubricating oil, 0-5 parts of pigment, 0.1-3 parts of silicone oil and 0.1-0.5 part of dispersing agent.

The specific dosage and formula of the model silica gel are determined according to the hardness degree and characteristics of specific human tissues or organs to be manufactured, so that the finished model is vivid and accords with the real hand feeling of a human body, and the amount of the added catalyst is determined according to the indoor air temperature condition. For example, in a room at 20 ℃, a silica gel solution of a harder human face muscle tissue part is prepared, and the silica gel solution comprises the following formula components in parts by weight: 50 parts of silicon dioxide, 50 parts of compounding agent, 3 parts of colorless catalyst, 6 parts of curing agent, 1.5 parts of lubricating oil, 2 parts of silicone oil and 0.5 part of dispersing agent; preparing a skin part silica gel solution in the same environment, wherein the skin part silica gel solution comprises the following components in parts by weight: 45 parts of silicon dioxide, 45 parts of compounding agent, 2 parts of colorless catalyst, 5 parts of curing agent, 1 part of lubricating oil, 0.1-0.3 part of pigment, 2 parts of silicone oil and 0.3 part of dispersing agent. The soft and hard degree needs to be considered, and the pigment is required to be added according to the natural skin color of the human body to prepare the color of the silica gel, so that the skin color of the manufactured simulated human body can have high simulation effect and feeling after the silica gel is molded.

All compounding ingredients in the formula of the silica gel solution are white carbon black; the catalyst is a platinum catalyst; the curing is carried out by using a cross-linking agent XR-500; the pigment used for preparing the skin is inorganic color master batch which has excellent weather resistance and lasting tinting strength; the dispersing agent is a paint colloid dispersing agent which is universal in water and oil, has good wettability and anti-settling capacity, has good viscosity reduction and dispersing capacity for various inorganic pigments and fillers, has strong capability of preventing the ground color paste from being flocculated and coarsened, and can greatly increase the storage stability of the color paste.

3) And (3) casting molding: assembling the manufactured mould and the lining support according to the requirements, wherein the lining support cannot be displaced, slowly injecting the prepared silica gel solution into the mould for embedding the lining support in several times, and paying attention to the fact that the impact force cannot be formed when the silica gel is poured, so that the support in the mould placed in place can be displaced under the action of the impact force. The surface treatment of the silica gel solution before injection into the mold is particularly critical, the surface treatment of the mold needs to be treated to be particularly clean before injection, special lubricating oil is properly added, and the dosage cannot be too small or too small and needs to be strictly mastered. After the injection is finished, the mold is placed into a vacuum box for vacuumizing, the air release is necessary and slow after the vacuumizing is finished, the pressure of a vacuumized vacuum pump is controlled to be 0.1-0.3 MPa, silica gel bubbles in the mold slowly disappear from a perspective mirror of the vacuum box, an air inlet valve can not be completely opened until the bubbles in the mold completely disappear, and the final air is released. The mold is then removed from the vacuum box and placed on a platen for curing.

4) Implanting hair: when the silica gel to be poured is solidified to a certain degree, the solidified degree is generally suitable for inserting hairs and standing without falling, the hairs are required to be implanted into the designated position on the model according to the designed shape and the designed picture, and the image is ensured to meet the design requirement.

5) Installing a false tooth artificial eye: and taking out the silica gel from the mold after the silica gel is completely cured, trimming the splicing line on the surface caused by the mold, then installing the artificial eye and the false tooth which are prepared in advance, wherein the artificial eye and the false tooth can be installed in a gluing mode or can be directly fixed on the lining support through screws, and simultaneously trimming and tidying the hair implanted in front.

6) Surface color processing and labeling: the last step is to color the surface of the product. Apart from the addition of pigment to the skin portion, the tissues of the lips and the associated display portion of the anatomical viewing surface 7 are white, such as muscle tissue 8, vascular tissue 9, parotid gland tissue 10, jawbone dissection 11, tongue 12, and gums 13, among others. It is necessary to use paints of different colors to distinguish different organs and tissues. The conventional paint cannot be attached to the surface of the soft silica gel, so that special environment-friendly silica gel paint is required to be used for treatment, and the silica gel hand feeling paint sold in the market can be used. Meanwhile, marking treatment needs to be carried out on the surface of the model, in order to prevent paint and a marking pen from melting or being incapable of adhering, an oil marking pen is generally adopted for marking, and the high-simulation silica gel human medical model can be obtained after treatment.

Because the silica gel is white, the cleanness degree of the environment is ensured in the whole production process, particularly, a room for temporarily storing the molded product is very clean and tidy, and the surface cannot be covered by dust and gas impurities so as to enter a coloring process. In addition, after all the procedures of the product are processed, the quality of the product needs to be strictly checked, and defective products, defective products and waste products are removed and then enter a packaging link. Therefore, through the utility model discloses the model of preparation method production, gas pocket and dust can not be seen on the surface to have smooth and lifelike feeling and accurate appearance, scientific and practicality are all strong.

Claims

1. A high-simulation silica gel human medical model is characterized in that: the model is a human head and neck model, which comprises a bone part, a skin layer and related tissues coated on the bone in the skin layer; the skeleton part is a lining support designed according to the shape and size of the human head skeleton; the related tissues and the skin layer are made of silica gel materials.

2. The high simulation silica gel human medical model of claim 1, wherein: the eyes of the human head and neck model are artificial eyes, and the mouth of the human head and neck model is internally provided with artificial teeth; the eyelashes on the eyes and the eyebrows above are both implanted simulated or real hairs.

3. The high simulation silica gel human medical model of claim 1, wherein: the cheek on one side of the human head and neck model is provided with an anatomical observation surface, the anatomical observation surface is provided with related tissues, and the related tissues comprise muscular tissues, vascular tissues of the face and the neck, parotid gland tissues, a lower jawbone dissection surface, a tongue and a gum.

4. The high simulation silica gel human medical model of claim 1, wherein: the lining support is made of metal or plastic materials, and the silica gel material is inorganic soft silica gel.