CN113977830A - Puncture training model - Google Patents

Puncture training model Download PDF

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CN113977830A
CN113977830A CN202111233601.3A CN202111233601A CN113977830A CN 113977830 A CN113977830 A CN 113977830A CN 202111233601 A CN202111233601 A CN 202111233601A CN 113977830 A CN113977830 A CN 113977830A
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component
simulated
silicone rubber
puncture
mixing
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刘雁飞
王强
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Tianjin Tellyes Scientific Co Ltd
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Tianjin Tellyes Scientific Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/002Methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22Component parts, details or accessories; Auxiliary operations
    • B29C39/44Measuring, controlling or regulating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00Simulators for teaching or training purposes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/02Applications for biomedical use
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mechanical Engineering (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
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  • Polymers & Plastics (AREA)
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  • Instructional Devices (AREA)

Abstract

A puncture training model belongs to the technical field of medical models and comprises a method for manufacturing simulated fat, S1 comprises the steps of mixing liquid silicon rubber R-6016A and R-6016B according to a certain weight ratio to obtain a component I, mixing liquid silicon rubber R-890G-20A and R-890G-20B according to a certain weight ratio to obtain a component II, and carrying out vacuum defoaming treatment on the mixed component I and the component II; s2, mixing the two components I and II in S1 according to the weight ratio to obtain a new component III, and carrying out vacuum defoaming treatment; s3, placing the component III after the defoaming treatment into a forming die for curing and forming, and taking out the liquid silicone rubber from the die after the liquid silicone rubber placed into the die is cured and formed, thus finishing the preparation of the simulated fat. The simulated fat prepared by the preparation method has the hardness of 0 degree and the thickness of 8mm, and can be arranged in the puncture module, so that the problems of air leakage and liquid leakage of the puncture module after puncture for several times can be effectively solved.

Description

Puncture training model
Technical Field
The application belongs to the technical field of medical models, and particularly relates to a puncture training model.
Background
When the chest of a human body is diseased, pneumatosis or hydrops can be generated in the chest, thereby forming pneumothorax and hydrothorax. When pneumatosis or hydrops occurs in the chest cavity of a human body, gas or liquid must be discharged through thoracentesis for recovery, the thoracentesis technology is a more complex skill and a skill which a clinician must master, and a thoracentesis training model needs to be provided for the clinician to practice repeatedly. In addition, the existing thoracic cavity puncture training model generally only has a simulated skin layer and a simulated rib layer, the human tissue structure is simple and incomplete, and the human tissue cannot be simulated really, so that the reality degree of the thoracic cavity puncture training of a clinician is influenced.
Therefore, it is necessary to provide a thoracic cavity puncture training model which can puncture a patient for a plurality of times without air leakage and liquid leakage and has a complete human tissue structure.
Disclosure of Invention
The purpose of this application is to solve the thorax puncture training model among the prior art and leak gas, weeping easily after puncturing several times, and organizational structure is incomplete, can't provide the technical problem of the puncture training model of the real human tissue of simulation when clinician carries out the puncture training.
The application is realized through the following technical scheme.
A preparation method of simulated fat comprises the following steps:
s1, mixing liquid silicone rubber R-6016A and R-6016B according to a certain weight ratio to obtain a component I, mixing liquid silicone rubber R-890G-20A and R-890G-20B according to a certain weight ratio to obtain a component II, and performing vacuum defoaming treatment on the mixed component I and component II;
s2, mixing the component I and the component II in the S1 according to the weight ratio to obtain a new component III, and performing vacuum defoaming treatment;
s3, placing the component III after the defoaming treatment into a forming die for curing and forming, and taking out the liquid silicone rubber component III after the liquid silicone rubber component III placed into the die is cured and formed, thus finishing the preparation of the simulated fat.
Further, the mixing weight ratio of the liquid silicon rubber R-6016A to the liquid silicon rubber R-6016B is 1:1, 5:4, 5:6, the operation temperature during mixing is 15-40 ℃, the stirring speed during mixing is 60-500R/min, the mixing time is 2-10 min, the mixed liquid silicon rubber is set as a component I, and the component I is subjected to defoaming treatment by vacuumizing through a vacuum pump.
Further, the mixing weight ratio of the liquid silicon rubber R-890G-20A and the liquid silicon rubber R-890G-20B is 1:1, 5:4 and 5:6, the operation temperature during mixing is 15-40 ℃, the stirring speed during mixing is 60-500R/min, the mixing time is 2-10 min, the mixed liquid silicon rubber is set as a component II, and the component II is defoamed by vacuumizing with a vacuum pump.
Further, further mixing the mixed component I and the component II according to the weight ratio of 1:2, 1:3 and 1:4, wherein the operation temperature during mixing is 20-40 ℃, the stirring speed during mixing is 60-500 r/min, the mixing time is 2-10 min, the mixed liquid silicon rubber is set as a component III, and the component III is vacuumized and defoamed by a vacuum pump for later use.
Further, the mixed liquid silicon rubber component III is placed into a mould, the curing temperature of the liquid silicon rubber component III in the mould is 20-60 ℃, and the curing time is 20-80 min.
Further, a puncture training model comprises the simulated fat prepared by the preparation method.
Further, the puncture training model comprises a thoracentesis module and a detection module, wherein the thoracentesis module is also provided with a simulation outer skin, a simulation capillary vessel, a simulation rib, a simulation pleura, a conductive cloth and a simulation lung, and the thoracentesis module is arranged in a cavity; the detection module comprises power, bee calling organ, electrically conductive cloth, power, bee calling organ and electrically conductive cloth wired connection, detection module is used for detecting the thorax puncture training depth of puncture.
Furthermore, the simulation outer skin is prepared by mixing liquid silicon rubber GMX-8608RT-A and GMX-8608RT-B according to the weight ratio of 1: 1.
Furthermore, the simulated capillary is a silicone tube, the inner diameter of the silicone tube is 0.4-0.6 mm, and the wall thickness is 0.25 mm.
Furthermore, the simulated pleura is a latex sheet with the thickness of 0.8-1.2 mm.
Furthermore, the power supply and the buzzer are arranged on the outer side of the cavity.
Furthermore, the simulated skin, the simulated capillary vessels, the simulated fat, the simulated ribs, the simulated pleura, the conductive cloth and the simulated lung are arranged in a cavity.
Furthermore, the chamber is divided into an upper chamber and a lower chamber, and the upper chamber is fixedly connected with the lower chamber through screws.
Furthermore, a through hole is arranged on one side of the lower chamber and is used for connecting an input pipe for inputting gas or liquid into the chamber.
The invention has the beneficial effects that: the thoracentesis module is provided with a simulation crust, a simulation capillary vessel, a simulation fat, a simulation rib, a simulation pleura, a conductive cloth, a simulation lung, a complete structure and a high simulation degree, the simulation fat is arranged in the thoracentesis module, the hardness is 0 degree, the thoracentesis module has the functions of air leakage prevention and liquid leakage prevention, the set simulation fat is extruded to deform through the pressure difference between an inner cavity and an outer cavity, after gas or liquid is input into the cavity, a pinhole remained in the simulation fat layer during the puncture operation is also extruded to be closed, a layer of leakage prevention barrier is formed at the moment, and the purpose of leakage prevention through puncture for many times is achieved. The thoracocentesis module utilizes different silicon rubbers to simulate different tissues of a human body, so that the thoracocentesis module is more complete in structure, high in simulation degree, and free of air leakage and liquid leakage for many times through thoracocentesis, and is more durable, a thoracocentesis training operator does not need to frequently replace a thoracocentesis module, unnecessary troubles are reduced, and the acquisition cost is saved.
Description of the drawings:
FIG. 1: the structure of the thoracentesis module is shown schematically.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
The manufacturers of the raw materials R-6016A, R-6016B, R-890G-20A, R-890G-20B, GMX-8608RT-A and GMX-8608RT-B involved in the application are Chen Yuan companies of the research institute of Mitsu-Mitsui Chemicals.
Example 1 a simulated fat in the present application was made by the following method:
s1, mixing the two components of liquid silicon rubber R-6016A and R-6016B to obtain a component I, and mixing the two components of liquid silicon rubber R-890G-20A and R-890G-20B to obtain a component II; vacuumizing the mixed component I and component II by using a vacuum pump for defoaming;
s2, further mixing the component I and the component II after defoaming to obtain a component III, and vacuumizing by using a vacuum pump for defoaming;
and S3, placing the defoamed component III into a mold for curing and molding, taking out the component III from the mold after curing and molding, and finishing the preparation of the simulated fat.
In the operation step S1, when the two liquid silicone rubber components R-6016A, R-6016B and the two liquid silicone rubber components R-890G-20A, R-890G-20B are mixed, two liquid silicone rubbers of different types can be synchronously mixed, so that the time is saved, and the solidification of the two mixed components A and B to influence the quality of the simulated fat forming.
The weight ratio of two liquid silicone rubber components R-6016A and R-6016B used in the preparation of the simulated fat in example 2 was 1:1, the operating temperature during mixing was 20 ℃, the stirring rate was 150R/min, and the mixture was stirred for 3min to obtain component I. The liquid silicone rubber R-6016A and R-6016B mixed component I obtained under the conditions are fully mixed, bubbles generated in the mixing process are few, defoaming is facilitated, and time is saved. And defoaming the obtained component I by using a vacuum pump.
The weight ratio of the two components R-890G-20A and R-890G-20B of the liquid silicon rubber is 5:4 when mixing, the mixing temperature is 25 ℃, the stirring speed is 120R/min, the component II is obtained after stirring for 3min, and the vacuum pump is used for vacuumizing and defoaming.
Mixing the component I and the component II subjected to vacuum defoaming treatment at an operating environment of 25 ℃ in a weight ratio of 1:2, wherein the stirring speed of the component I and the component II is 80r/min, the mixing time is 5min, the operating temperature of the component I and the component II is 25 ℃, completely mixing the component I and the component II to obtain a component III, and vacuumizing by using a vacuum pump for defoaming treatment. And (3) placing the component III subjected to defoaming treatment into a mold at the temperature of 25 ℃, and carrying out curing molding for 60min at room temperature. And taking out the solidified and molded simulated fat from the mold, thus finishing the preparation of the simulated fat with high simulation and obtaining the simulated fat with the hardness of 0 degree and the thickness of 8 mm.
In some embodiments, the mixing weight ratio of the component I and the component II can be 1:3, the stirring speed is 80r/min, the mixing time is 5min, the operation temperature during mixing is 25 ℃, the component III obtained after mixing is subjected to vacuum-pumping defoaming treatment, and is placed into a mold for curing and molding, the curing temperature is 35 ℃, and the curing time is 40 min.
Example 3 in this example, the raw material liquid silicone rubber R-6016A and R-6016B used for preparing the simulated fat were mixed at a weight ratio of 5:4, the operating temperature during mixing was 30 ℃, the stirring rate was 130R/min, the stirring time was 2min, the two components R-6016A and R-6016B after stirring and mixing were set as component i, and component i was degassed by vacuum pumping.
The second molding raw material liquid silicone rubber R-890G-20A and R-890G-20B is mixed according to the weight ratio of 5:6, the operation temperature during mixing is 30 ℃, the stirring speed is 120R/min, stirring is carried out for 3min to obtain a component II, and the mixed component II is subjected to vacuum pumping and defoaming treatment by a vacuum pump.
Mixing the component I and the component II obtained after mixing according to the weight ratio of 1:4, wherein the operation temperature during mixing is 30 ℃, the stirring speed is 80r/min, the mixing time is 3.5min, the mixed component III is obtained, the component III is placed into a mold for molding, the mold is placed into an oven with the set temperature of 45 ℃ for curing, the curing time is 30min under the curing environment of 45 ℃, the manufactured simulated fat is taken out of the mold after curing molding, and the simulated fat with the hardness of 0 ℃ and the thickness of 8mm is obtained.
In some embodiments, the simulation outer skin is prepared by mixing liquid silicon rubber GMX-8608RT-A and GMX-8608RT-B according to the weight ratio of 1:1 at room temperature, wherein the stirring speed is 150r/min and the stirring time is 3min, and placing the mixed components into a mold for curing and molding.
Example 4 referring to fig. 1, the thoracentesis module is composed of a simulated skin (1), a simulated capillary (2), a simulated fat (3), a simulated rib (4), a simulated pleura (5), a conductive cloth (6), and a simulated lung (9). Simulation crust (1), simulation capillary (2), simulation fat (3), simulation rib (4), simulation pleura (5), electrically conductive cloth (6), simulation lung (9) set up in cavity (10), cavity (10) divide into two parts from top to bottom, the upper portion and the lower part of cavity are fixed through the screw, the upper portion of cavity (10) is hollow out construction, the lower part of cavity is a recess, can save gas or liquid, the lower part of cavity sets up a through-hole (11) for connect air supplement pipe or fluid supplement pipe, through external pipeline, to gaseous or liquid of input in the cavity. If gas is input into the cavity, the thoracocentesis module can be used for pneumothorax puncture training; if liquid is input into the cavity, the thoracentesis module can be used for thoracentesis training.
The simulated skin (1), the simulated capillary vessels (2), the simulated fat (3), the simulated ribs (4) and the simulated pleura (5) are arranged at the upper part of the chamber in layers and fixed according to the upper part structure of the chamber to form a puncture layer, and a closed chamber is formed by the puncture layer and the lower part of the chamber. The simulated capillary vessel (2) positioned between the simulated skin (1) and the simulated fat (3) is a silicone tube with the inner diameter of 0.5mm and the wall thickness of 0.25mm, and the capillary vessel is filled with red liquid for simulating blood. The simulated pleura (5) is a latex sheet with the thickness of 0.8 mm. The puncture module simulates different human tissues by using different silicon rubbers, has complete structure and high simulation, has puncture hand feeling close to the human tissues, and is favorable for improving the training efficiency of puncture trainers.
In some embodiments, the simulated capillary has an inner diameter of 0.4mm and a wall thickness of 0.25 mm. The thickness of the simulated pleura is 0.85mm, 0.9mm and 1.0 mm.
In some embodiments, the simulated fat (3) produced by the method of manufacture of the present application is located between the simulated skin (1) and the simulated ribs (4), and the simulated fat (3) has a hardness of 0 degrees and a thickness of 8 mm. The simulated fat (3) can form a layer of leakage-proof barrier in the chest puncture training process, and the phenomena of air leakage and liquid leakage of the chest puncture module after puncture for many times are effectively prevented. Simulation fat (3) prevent effectively that the principle of thorax puncture module gas leakage, weeping is, in thorax puncture module, right the cavity carries out tonifying qi or fluid infusion back, this moment the internal pressure of cavity be greater than the external pressure of cavity, in the cavity with the external pressure in cavity forms the pressure differential, at this moment simulation skin (1) and simulation pleura (5) in the thorax puncture module will simulate muscle and simulation fat (3) extrusion deformation, and the puncture pinhole extrusion that leaves behind the puncture training is closed, forms one deck leak protection barrier, prevents that thorax puncture module from taking place gas leakage or weeping behind the puncture. Through setting up this simulation fat in thorax puncture module, formed one deck leak protection barrier, increased the puncture number of times of puncture training module, reduced the number of times of changing the puncture module, practiced thrift use cost.
The simulated rib (4) is made of polyurethane materials, the hardness of the simulated rib is 90 degrees, simulated muscle wrapping the simulated rib is made of polyurethane materials, and the hardness of the simulated muscle is 12 degrees.
The simulated lung (9) is arranged in the cavity and is made of polyurethane.
Embodiment 5, in this embodiment, the conductive cloth (6) is disposed between the simulated pleura (5) and the simulated lung (9), and the conductive cloth (6) has two layers for detecting the puncture depth during the puncture training. Electrically conductive cloth (6) and power (8), bee calling organ (7) between wired connection, electrically conductive cloth (6), power (8), bee calling organ (7) form a detection device, when the operation training person carries out the puncture operation, when the syringe needle of pjncture needle pierces through two-layer electrically conductive cloth, the switch on power, bee calling organ sends the alarm sound this moment, the suggestion puncture training person puncture the operation too deeply, pierces the lung, explains this puncture training operation error.

Claims (14)

1. A method for preparing simulated fat, which is characterized by comprising
S1, mixing liquid silicone rubber R-6016A and R-6016B according to a certain weight ratio to obtain a component I, mixing liquid silicone rubber R-890G-20A and R-890G-20B according to a certain weight ratio to obtain a component II, and performing vacuum defoaming treatment on the mixed component I and component II;
s2, mixing the component I and the component II in the S1 according to the weight ratio to obtain a new component III, and performing vacuum defoaming treatment;
s3, placing the component III after the defoaming treatment into a forming die for curing and forming, and taking out the liquid silicone rubber component III after the liquid silicone rubber component III placed into the die is cured and formed, thus finishing the preparation of the simulated fat.
2. The method for preparing a simulated fat according to claim 1, wherein the weight ratio of the liquid silicone rubber R-6016A and R-6016B mixed in step S1 is 1:1, 5:4, 5:6, the operation temperature during mixing is 15-40 ℃, the stirring rate during mixing is 60-500R/min, the mixing time is 2-10 min, the mixed liquid silicone rubber is set as component I, and the component I is defoamed by vacuum pumping.
3. The method for preparing a simulated fat according to claim 1, wherein in step S1, the weight ratio of the mixture of the liquid silicone rubber R-890G-20A and R-890G-20B is 1:1, 5:4, 5:6, the operating temperature during mixing is 15 ℃ to 40 ℃, the stirring rate during mixing is 60 to 500R/min, the mixing time is 2 to 10min, the mixed liquid silicone rubber is set as a component ii, and the component ii is deaerated by vacuum pumping.
4. The method for preparing simulated fat according to claim 1, wherein in step S2, the mixed component i and component ii are further mixed, the weight ratio of the component i to the component ii is 1:2, 1:3, 1:4, the operation temperature during mixing is 20-40 ℃, the stirring rate during mixing is 60-500 r/min, the mixing time is 2-10 min, the mixed liquid silicone rubber is set as component iii, and the component iii is defoamed by vacuum pumping.
5. The method for preparing a simulated fat according to claim 1, wherein in step S3, the mixed liquid silicone rubber component iii is put into a mold for curing and molding, the curing temperature of the liquid silicone rubber component iii in the mold is 20 ℃ to 60 ℃, and the curing time is 20 min to 80 min.
6. A puncture training model comprising the simulated fat of any one of claims 1 to 5.
7. The puncture training model of claim 6, further comprising a thoracentesis module and a detection module, wherein the thoracentesis module is further provided with a simulated skin, a simulated capillary, a simulated rib, a simulated pleura, a conductive cloth, and a simulated lung, and the thoracentesis module is disposed in a cavity; the detection module comprises power, bee calling organ, electrically conductive cloth, power, bee calling organ and electrically conductive cloth wired connection, detection module is used for detecting the puncture degree of depth of thorax puncture training.
8. The puncture training model of claim 7, wherein the simulated skin is made of liquid silicone rubber GMX-8608RT-a and GMX-8608RT-B mixed in a weight ratio of 1: 1.
9. A puncture training model according to claim 7, wherein the simulated capillary is a silicone tube, the silicone tube has an inner diameter of 0.4-0.6 mm and a wall thickness of 0.25 mm.
10. A puncture training model according to claim 7, wherein the simulated pleura is a latex sheet with a thickness of 0.8-1.2 mm.
11. A puncture training model according to claim 7, wherein the power source and the buzzer are disposed outside the chamber.
12. A puncture training model according to claim 7, wherein the simulated skin, the simulated capillaries, the simulated fat, the simulated ribs, the simulated pleura, the conductive cloth, and the simulated lung are disposed in a chamber.
13. A puncture training model according to claim 12, wherein the chamber is divided into an upper chamber and a lower chamber, and the upper chamber and the lower chamber are fixedly connected by screws.
14. A puncture training model according to claim 13, wherein a through hole is provided at one side of the lower chamber for connecting an input tube for inputting gas or liquid into the chamber.
CN202111233601.3A 2021-10-22 2021-10-22 Puncture training model Pending CN113977830A (en)

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