CN109036061A - A kind of Digital stomach and intestine machine simulation operations training simulation people and preparation method thereof - Google Patents

Abstract

The invention discloses a kind of Digital stomach and intestine machine simulation operations training simulation people and preparation method thereof, front uses colour of skin silica gel material, back and side use transparent silica gel material, internal uses transparent silica gel material, the ratio that the size of simulated humanbody and the size of human body are 1:1, transparent internal organs include transparent esophagus, transparent stomach, transparent duodenum and transparent enteron aisle, transparent enteron aisle includes large intestine, small intestine and rectum, each organ according to normal human organs big little makings, and according to anatomical structure splice assemble.The simulation people that the present invention makes appearance is similar to human body contour outline, material of main part and body-tissue equivalent, interior tissue organ and entity simulation, student does not need hospital scene, digital gastrointestinal machine simulation operations training teaching can be done directly in laboratory, not only intuitive, strong sense of reality, and multiple groups can be organized to test simultaneously, improve teaching efficiency.

Description

A medical digital gastrointestinal machine simulation operation training simulator and its manufacturing method

technical field

The invention relates to a device for operation simulation training, in particular to a medical digital gastrointestinal machine simulation operation training simulator and a manufacturing method thereof, belonging to the technical field of medical teaching equipment.

Background technique

At present, X-ray gastrointestinal contrast is the main examination method for gastrointestinal diseases. This method can comprehensively observe the lesions through the operation of barium in the gastrointestinal tract and the ingestion of various images at different times and different parts according to the barium. The scope and extent of the examination, the location and shape of the organs under examination, and the condition of the mucous membrane; especially the ability to dynamically observe the movement, reception, and emptying of the gastrointestinal tract throughout the entire process; the small intestine barium radiography examination through the duodenal catheter is still a diagnostic method. The most effective treatment for small bowel lesions. This method can be adapted to the old and weak patients, the patient has no pain, the operation is convenient, and cross-infection will not occur, so it has something that cannot be replaced by other methods.

However, if medical operators are not proficient in this technology, they are not allowed to directly operate on the patient's body. Although the existing technology model can be used for operation training, there is still a gap between the specific shape of each tissue and organ model of the digestive system and the real one, the relative spatial position and adjacent structure are not accurate enough, and the selection of materials is not reasonable, so it cannot be used well. To meet the actual clinical requirements, trainers cannot master the process, skills and techniques of digital gastrointestinal machine operation training, let alone further examination on the human body.

Contents of the invention

In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides a medical digital gastrointestinal machine simulation operation training simulator and its manufacturing method, so that the appearance of the simulator is similar to the outline of the human body, the main material is equivalent to human tissue, and the internal tissue Organ and physical simulation, students do not need to go to the hospital site, and can directly complete the digital gastrointestinal machine simulation operation training and teaching in the laboratory, which is not only intuitive and realistic, but also can organize multiple groups of experiments at the same time to improve the teaching effect.

A medical digital gastrointestinal machine simulation operation training simulator of the present invention is characterized in that it includes a simulated human body and a transparent internal organ including a digestive system, the size of the simulated human body is in a ratio of 1:1 to the size of the human body, and the simulated human body The ventral surface is made of skin-colored material, and the dorsal bottom is made of transparent material; transparent internal organs include transparent esophagus, transparent stomach, transparent duodenum and transparent intestinal tract, transparent intestinal tract includes large intestine, small intestine and rectum, each The organs are made according to the size of normal human organs, and assembled according to the anatomical structure.

Further, the transparent esophagus, transparent stomach and transparent intestinal tract respectively produce normal morphological structures and various pathological structures.

A method for making a medical digital gastrointestinal machine simulation operation training simulator, characterized in that it includes the following steps,

The first step is to make the simulated skin tissue on the ventral side of the simulated human, pour the skin color fluid silicone material into the ventral half mold of the standard human size, and then press the other half mold into the mold filled with silicone, and give appropriate Pressure, so that the skin color fluid fills the fixed gap between the upper and lower molds, and placed at room temperature until the silicone material is hardened;

The second step is to make transparent digestive organs. The transparent fluid silicone material is injected into the stomach mold, duodenum mold and large intestine mold respectively. The material is injected between the double-layer outer walls of each mold, and the inner surface of the inner wall of the stomach mold, duodenum mold and large intestine mold has a wrinkled structure; the soft PVC transparent hose with a diameter similar to the actual organ is used to make transparent esophagus, small intestine and rectum;

The third step is the connection and fixation of the transparent digestive organs. According to the anatomical structure of the human digestive system, the transparent esophagus, transparent stomach, transparent duodenum, and transparent intestinal tract are connected in sequence, and installed and fixed inside the simulated human tissue. The interface is tightly connected and sealed to ensure that the simulated contrast agent will not overflow; the transparent esophagus is connected to the oral cavity;

The fourth step is to make the simulated skin tissue on the dorsal side of the simulated human, pour the transparent fluid silicone material into the dorsal half mold of the standard human size, and then press the other half of the dorsal mould, which is filled with silica gel, to give Appropriate pressure, so that the skin color fluid fills the fixed gap between the upper and lower molds, and placed at room temperature until the silicone material is hardened;

The fifth step is to naturally connect the transparent tissue of the dorsal side of the simulated human with the simulated skin of the ventral side, and the connection is tight and smooth without gaps.

The abdominal skin tissue made by the above method is made of skin-colored silicone material on the front, transparent silicone material on the back and sides, and transparent silicone material on the internal organs. Therefore, when the barium is poured into the internal digestive organs from the mouth, it is convenient for students to clean the skin on the back. Observe the internal organ lesions and take pictures; the digestive organs are made of transparent materials, and when they are filled with barium, they can imitate the situation under the X-ray of the digital gastrointestinal machine, and truly reflect the organ lesions. Both the skin and internal organs of the simulated human are arranged according to the normal human body standard and anatomical structure, which has a strong sense of reality and is more conducive to teaching.

Specifically, the fluid-like color silicone material in the first step is a two-component room temperature vulcanization addition type silicone rubber, including A component and B component, the A component is Q625, and the B component is Q625 containing a catalyst. , the catalyst is a platinum catalyst, the mixing weight ratio of A component and B component is 1:1, fully stir for 20-30 minutes to make it fully mixed, and solidify at room temperature after being injected into the mold;

The transparent fluid silicone material in the second and fourth steps is a transparent two-component addition type silicone potting compound, including A component and B component. A component is HY 9325, and its viscosity is 400-600Pa·s. Component B is HY 9325 with a viscosity of 200-500Pa·s. The mixing weight ratio of the two components is 1:1. When mixing, stir thoroughly for 0.5-1h to make it fully mixed. After pouring into the mold, it is cured at room temperature.

Vulcanization addition type silicone rubber has low viscosity, easy to pour, no heat release during vulcanization, no low molecular by-products are released, small shrinkage, and can be vulcanized deeply; transparent two-component addition type silicone potting adhesive has low viscosity, It is easy to pour, does not release heat during vulcanization, does not produce any by-products in the curing reaction, and has high light transmittance.

Further, in the first step, the second step and the fourth step, before filling the fluid material, check whether the mold has gaps through a water permeability test, so as to prevent the overflow of the fluid material during the filling process and cause defects such as pores and air bubbles in the simulated skin .

The simulated human produced by the present invention is made of polymer materials with functions equivalent to human tissues, and the simulated human with simulated skin and transparent digestive system as the main organs is used as the "experiment object" for the operation training of the digital gastrointestinal machine. Students do not need to go to the hospital site, they can directly complete the digital gastrointestinal machine simulation operation training teaching digital gastrointestinal machine simulation operation training in the laboratory; it is not only intuitive and realistic, but also can organize multiple groups of experiments at the same time to improve the teaching effect; Simulators do not need X-rays when simulating gastrointestinal contrast, and can be directly observed through the transparent skin on the back, which avoids the influence of radiation on the human body and is safer and more reliable.

Description of drawings

Fig. 1 is the structure schematic diagram of simulated human in the present invention;

In the figure: 1-1, oral cavity; 1-2, transparent esophagus; 1-3, transparent stomach; 1-4, transparent duodenum; 1-5, large intestine; 1-6, small intestine; 1-7, rectum .

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, a medical digital gastrointestinal machine simulation operation training simulator includes a simulated human body and transparent internal organs including the digestive system. The ventral surface of the body is made of skin-color material, and the dorsal underside is made of transparent material; transparent internal organs include transparent esophagus 1-2, transparent stomach 1-3, transparent duodenum 1-4 and transparent intestine, transparent intestine The tract includes large intestines 1-5, small intestines 1-6, and rectums 1-7. Each organ is made according to the size of a normal human organ and assembled according to the anatomical structure.

In order to make it easier for students to understand and compare organ pathological structures, further, transparent esophagus 1-2, transparent stomach 1-3, and transparent intestinal tract are respectively manufactured with normal morphology and various pathological structures.

A method for making a medical digital gastrointestinal machine simulation operation training simulator, characterized in that it includes the following steps,

The first step is to make the simulated skin tissue of the ventral side of the simulated human, pour the skin color fluid silicone material into the ventral half mold of the standard human size, and then press the other half mold into the mold filled with silicone, and give appropriate Pressure, so that the skin color fluid fills the fixed gap between the upper and lower molds, and placed at room temperature until the silicone material is hardened;

The second step is to make transparent digestive organs. The transparent fluid silicone material is injected into the stomach mold, duodenum mold and large intestine mold respectively. The material is injected between the double-layer outer walls of each mold, and the inner surface of the inner wall of the stomach mold, duodenum mold and large intestine mold has a wrinkled structure; the soft PVC transparent hose with a diameter similar to the actual organ is used to make transparent esophagus, small intestine and rectum;

The third step is the connection and fixation of the transparent digestive organs. According to the anatomical structure of the human digestive system, the transparent esophagus 1-2, transparent stomach 1-3, transparent duodenum 1-4 and transparent intestinal tract are connected in sequence, and installed and fixed Inside the simulated human tissue, each part is tightly connected and sealed through the interface to ensure that the simulated contrast agent will not overflow when injected; the transparent esophagus 1-2 is connected with the oral cavity 1-1;

The fourth step is to make the simulated skin tissue on the dorsal side of the simulated human, pour the transparent fluid silicone material into the dorsal half mold of the standard human size, and then press the other half of the dorsal mould, which is filled with silica gel, to give Appropriate pressure, so that the skin color fluid fills the fixed gap between the upper and lower molds, and placed at room temperature until the silicone material is hardened;

The fifth step is to naturally connect the transparent tissue of the dorsal side of the simulated human with the simulated skin of the ventral side, and the connection is tight and smooth without gaps.

The abdominal skin tissue made by the above method is made of skin-colored silicone material on the front, transparent silicone material on the back and sides, and transparent silicone material on the internal organs. Therefore, when the barium is poured into the internal digestive organs from the mouth, it is convenient for students to clean the skin on the back. Observe the internal organ lesions and take pictures; the digestive organs are made of transparent materials, and when they are filled with barium, they can imitate the situation under the X-ray of the digital gastrointestinal machine, and truly reflect the organ lesions. Both the skin and internal organs of the simulated human are arranged according to the normal human body standard and anatomical structure, which has a strong sense of reality and is more conducive to teaching.

Specifically, the fluid-like color silicone material in the first step is a two-component room temperature vulcanization addition type silicone rubber, including A component and B component, the A component is Q625, and the B component is Q625 containing a catalyst. , the catalyst is a platinum catalyst, the mixing weight ratio of A component and B component is 1:1, fully stir for 20-30 minutes to make it fully mixed, and solidify at room temperature after being injected into the mold;

The transparent fluid silicone material in the second and fourth steps is a transparent two-component addition type silicone potting compound, including A component and B component. A component is HY 9325, and its viscosity is 400-600Pa·s. Component B is HY 9325 with a viscosity of 200-500Pa·s. The mixing weight ratio of the two components is 1:1. When mixing, stir thoroughly for 0.5-1h to make it fully mixed. After pouring into the mold, it is cured at room temperature.

Vulcanization addition type silicone rubber has low viscosity, easy to pour, no heat release during vulcanization, no low molecular by-products are released, small shrinkage, and can be vulcanized deeply; transparent two-component addition type silicone potting adhesive has low viscosity, It is easy to pour, does not release heat during vulcanization, does not produce any by-products in the curing reaction, and has high light transmittance.

Further, in the first step and the fourth step, before filling the fluid material, check whether there are gaps in the mold through a water permeability test, so as to prevent defects such as pores and air bubbles in the simulated skin caused by the overflow of the fluid material during the filling process.

Claims (5)

1. a kind of Digital stomach and intestine machine simulation operations training simulation people, which is characterized in that including simulated humanbody and including digestion The ratio that the transparent internal organs of system, the size of the simulated humanbody and the size of human body are 1:1, the veutro table of simulated humanbody Face is made of colour of skin material, and back side bottom surface is made of transparent material；Transparent internal organs include transparent esophagus, transparent stomach, Transparent duodenum and transparent enteron aisle, transparent enteron aisle include large intestine, small intestine and rectum, and each organ is according to the big of normal human organs Little makings, and splice according to anatomical structure and assemble.

2. Digital stomach and intestine machine simulation operations training simulation people according to claim 1, which is characterized in that transparent food Road, transparent stomach and transparent enteron aisle manufacture normal morphology structure and various pathological structures respectively.

3. a kind of Digital stomach and intestine machine simulation operations training simulation people's production method, which is characterized in that include the following steps,

The first step, the simulation skin tissue of production simulation people's facies ventralis, it is big to pour into standardized human body for colour of skin flow-like silica gel material Small veutro half mold, then the other half matched mold compresses are given pressure appropriate, make skin in the mold for being inoculated with silica gel In gap of the color fluid full of the fixation between upper/lower die, it is placed in room temperature until silica gel material is in hardening state；

Second step, the transparent digestive organs of production, by transparent fluid silica gel material be injected separately into stomach mold, duodenum mold and Large intestine mold, above-mentioned mold are the hollow structure with double-layer epispores, and pass through the aperture of hollow structure upper end for transparent fluid Material injects between each mold double-layer epispores, and the inner surface of stomach mold, duodenum mold and large intestine mould inner wall has Folded structure；Quality is relatively soft to make transparent esophagus, small intestine and rectum with PVC transparent hose similar in practical organ bore；

The connection and fixation of third step, transparent digestive organs are moved towards by transparent esophagus, thoroughly according to digestion anatomical structure Bright stomach, transparent duodenum, transparent enteron aisle are sequentially connected, and are fixed on simulated humanbody organization internal, and each section is by connecing Mouth part is closely connected and is sealed, it is ensured that is not overflowed when injection emulation contrast agent；Transparent esophagus is connected with oral cavity；

4th step, the simulation skin tissue of production simulation people's dorsal surface, it is big to pour into standardized human body for transparent fluid shape silica gel material Small back side half mold, then the other half matched back side mold compresses are given to pressure appropriate in the mold for being inoculated with silica gel, Make in gap of the colour of skin fluid full of the fixation between upper/lower die, is placed in room temperature until silica gel material is in hardening shape State；

Simulation people's dorsal surface hyaline tissue is connected by the 5th step naturally with facies ventralis simulation skin, and junction is closely smooth It is seamless.

4. Digital stomach and intestine machine simulation operations training simulation people's production method according to claim 3, which is characterized in that Flow-like colour of skin silica gel material in the first step is double component room temperature vulcanization additional organosilicon rubber, including component A and B group Point, the component A be Q625, B component be the Q625 containing catalyst, the catalyst be platinum catalyst catalyst, component A and B component mixed weight ratio is 1:1, and when mixing is sufficiently stirred 20~30min and mixes them thoroughly, and is injected solid at room temperature after mold Change；

Transparent fluid silica gel material is clear two-component additional organosilicon casting glue, including component A in second step and the 4th step And B component, component A be HY 9325, viscosity be 400~600Pas, B component be HY 9325, viscosity be 200~ 500Pas, two kinds of group mixed weight ratios are 1:1, and when mixing is sufficiently stirred 0.5~1h and mixes them thoroughly, after injecting mold Solidify at room temperature.

5. Digital stomach and intestine machine simulation operations training simulation people's production method according to claim 4, which is characterized in that In the first step, second step and the 4th step, before fluent material is filling, whether there is gap by permeable experimental check mold, with Prevent fluent material spilling in pouring process from causing that there is the defects of hole, bubble in simulation skin.