CN116704861A - Intelligent Liver Model Teaching System - Google Patents

Abstract

The application belongs to the technical field of medical teaching demonstration equipment, and relates to an intelligent liver model teaching system, which comprises a demonstration cabinet, wherein a universal stop wheel is arranged at the bottom of the demonstration cabinet, an operation platform is arranged at the top of the demonstration cabinet, a switch button is arranged at the front side of the operation platform, a support column is arranged at the rear side of the operation platform, the top of the support column is connected with a touch screen display, a patient model is arranged at the top of the operation platform, a liver model is arranged in the patient model, and intervention simulation equipment is arranged on the patient model. The application introduces symptoms of liver diseases through a liver and gall pipeline model in a patient model by using a mode of interaction of a virtual simulation intervention interaction system and multimedia, and simulates and trains operation procedures and operation points of hepatic arterial embolism chemotherapy.

Description

Intelligent liver model teaching system

technical field

The invention belongs to the technical field of medical teaching demonstration equipment, and in particular relates to an intelligent liver model teaching system.

Background technique

The liver is the largest internal organ and glandular organ in the human body. It has various physiological functions such as digestion, synthesis, decomposition, transformation, detoxification, blood coagulation, hematopoiesis, and immunity. The liver has a rich blood supply, with the hepatic lobule as the basic unit, and has a complex vascular system such as the hepatic artery, portal vein, hepatic bile duct, hepatic vein, and lymphatic vessels. The structure of the liver is complex and its functions are diverse, so there are various diseases that occur in the liver, including infectious diseases, tumor diseases, vascular diseases, metabolic diseases, toxic diseases, autoimmune diseases, genetic diseases, etc. Among them, neoplastic diseases are the most serious. Hepatocellular carcinoma is one of the common malignant tumors of the liver and the main pathological type of primary hepatocellular carcinoma. It has a relatively high degree of malignancy and rapid development of the disease. known as.

Transarterial chemoembolization (TACE) utilizes the unique dual blood supply of the liver and the characteristic that the tumor is mainly supplied by the hepatic artery. A catheter is directly inserted into the proper hepatic artery or its branches through the femoral artery under X-ray guidance. Chemotherapy drugs and embolic agents are then injected through the catheter. At present, there are no teaching models and simulation equipment related to hepatic arterial chemoembolization in existing applications, which is not conducive to medical staff performing operational drills, not conducive to medical staff learning operating techniques, and not conducive to popularizing education for patients.

Contents of the invention

The purpose of the present invention is to provide an intelligent liver model teaching system, capable of providing complete hepatic arterial chemoembolization operation, hepatic arterial chemoembolization interventional access operation training, and digital explanation and popularization of liver disease types, signs and causes The publicity function solves the problem that there is no teaching model and simulation equipment related to hepatic arterial chemoembolization in the prior art, which is not conducive to medical staff's operation drills, medical staff's learning of operating techniques, and popularization of education for patients.

In order to achieve the above purpose, the technical solution adopted by the present invention is that the present invention provides an intelligent liver model teaching system, including a demonstration cabinet, the bottom of the demonstration cabinet is provided with a universal stop wheel, and the top of the demonstration cabinet is provided with an operating platform. There is a switch button on the front of the platform, a support column on the back of the operation platform, a touch screen display is connected to the top of the support column, a patient model is installed on the top of the operation platform, a liver model is installed inside the patient model, and interventional simulation equipment is installed on the patient model. ;

The interventional simulation device includes a syringe and a catheter, and the catheter is connected to the head of the syringe and inserted into the patient model.

Specifically, the number of the universal stop wheels is 4, which are arranged at the four corners of the bottom of the demonstration cabinet.

Specifically, the screen size of the touch screen display is ≥55 inches, the resolution is ≥3840*2160, the number of touch points is ≥6 points, the contrast ratio is ≥5000:1, the brightness is ≥280cd/㎡, and the viewing angle is ≥178°(H/V ).

Specifically, the patient model is provided with a femoral artery model and a common hepatic artery model, and the common hepatic artery model is connected to the femoral artery model and inserted into the liver model.

Specifically, a tumor model is set inside the liver model.

The intelligent liver model teaching system includes the following steps:

1) simulated preoperative evaluation;

2) simulated anesthesia and preoperative preparation;

3) Simulated venous access establishment and simulated arterial cannulation;

4) Simulated catheter-guided intervention;

5) simulate and determine the branch of the hepatic artery;

6) Simulate chemotherapy drug injection;

7) simulate embolism injection;

8) Simulation observation and monitoring;

9) Simulated catheter removal and hemostasis;

10) Simulate postoperative care.

Specifically, step 1), step 2), and step 8) include simulating the patient's physiological signs and data, involving simulating monitoring of blood pressure and pulse, simulating monitoring of electrocardiogram, simulating monitoring of blood oxygen saturation, simulating monitoring of respiratory rate and depth, simulating Monitoring temperature, simulated monitoring of blood coagulation function and simulated monitoring of image monitoring.

Compared with prior art, advantage and positive effect of the present invention are,

1. The present invention uses the hepatobiliary duct model in the patient model to introduce the symptoms of liver diseases and simulate the operating procedures and key points of hepatic artery embolization by using the virtual simulation interventional interaction system and multimedia interaction;

2. The present invention has the functions of providing complete hepatic arterial chemoembolization operation, hepatic arterial chemoembolization interventional access operation training, and digital explanation of the types, signs and etiologies of liver diseases and popular science publicity, which solves the problem that the prior art does not have relevant liver disease. The teaching model and simulation equipment of arterial chemoembolization are not conducive to medical staff performing operational drills, not conducive to medical staff learning operating techniques, and not conducive to popularizing education for patients.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an intelligent liver model teaching system provided by an embodiment;

Fig. 2 is the front view of the intelligent liver model teaching system provided by the embodiment;

Fig. 3 is a side view of the intelligent liver model teaching system provided by the embodiment;

Fig. 4 is a top view of the intelligent liver model teaching system provided by the embodiment;

Fig. 5 is an internal diagram of part of the structure of the intelligent liver model teaching system provided by the embodiment;

In the above figures, 1. Demonstration cabinet, 2. Universal stop wheel, 3. Operating platform, 4. Switch button, 5. Support column, 6. Touch screen display, 7. Patient model, 8. Liver model, 9. Syringe, 10, catheter;

Wherein, patient model 7 includes, 701, femoral artery model, 702, common hepatic artery model;

Liver models 8 include, 801, tumor models.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the present invention is not limited to the specific embodiments disclosed below. limit.

Embodiment 1, as shown in Figures 1-5, an intelligent liver model teaching system includes a demonstration cabinet 1, which provides support and protection functions, and at the same time, equipment such as computer hosts can be placed inside the demonstration cabinet 1. The bottom of the demonstration cabinet 1 is provided with a universal stop wheel 2, and the universal stop wheel 2 can flexibly move and fix the demonstration cabinet 1, which is convenient for teaching and demonstration. An operating platform 3 is provided on the top of the demonstration cabinet 1, and the operating platform 3 provides support to facilitate operations by medical staff.

A switch button 4 is arranged on the front side of the operation platform 3, and the switch button 4 controls the switch and start of the whole system, which is convenient for the operator to operate and control. The rear side of the operating platform 3 is provided with a support column 5, which is used for support and fixing, and the top of the support column 5 is connected with a touch screen display 6, and the touch screen display 6 is raised, supported and fixed by the support column 5.

The top of the operating platform 3 is provided with a patient model 7, which can simulate the anatomical structure and pathological conditions of the patient's abdominal cavity through the realistic model structure and materials. The patient model 7 is provided with a liver model 8 inside, and the liver model 8 is used to simulate the anatomical structure and In pathological conditions, the patient model 7 is provided with interventional simulation equipment, and the operation of hepatic arterial chemoembolization is simulated by the interventional simulation equipment;

Its interventional simulation equipment includes a syringe 9 and a catheter 10. The catheter 10 is connected to the head of the syringe 9 and inserted into the patient model 7 to simulate operations and train medical staff to intubate the hepatic artery and inject drugs.

Let's talk about the specific design of the above key components:

Its universal stop wheel 2 quantity is 4 and is arranged on the bottom four corners of demonstration cabinet 1. The demonstration cabinet 1 can be made more stable, and the demonstration cabinet 1 can be moved and positioned conveniently, making the operation and demonstration more flexible and convenient.

Its touch screen display 6 has a screen size ≥ 55 inches, resolution ≥ 3840*2160, touch points ≥ 6 points, contrast ratio ≥ 5000:1, brightness ≥ 280cd/㎡, viewing angle ≥ 178° (H/V). Ensure that the screen of the touch screen display 6 is clear and colorful, and has high touch sensitivity and response speed at the same time, so that the medical staff can conveniently operate and control when viewing and simulating operations.

The patient model 7 is provided with a femoral artery model 701 and a common hepatic artery model 702 , and the common hepatic artery model 702 is connected to the femoral artery model 701 and inserted into the liver model 8 . Simulate the real hepatic artery blood supply, so that medical staff can perform hepatic artery intubation and drug injection training in a simulated environment.

The liver model 8 is provided with a tumor model 801 inside. The tumor model 801 simulates liver diseases such as hepatocellular carcinoma, enabling medical staff to perform training on tumor drug injection-related operations in a simulated environment.

Embodiment 2, an intelligent liver model teaching system as shown in Embodiment 1, includes the following steps:

1) Simulate the preoperative assessment. Before deciding to perform TACE, the operator will conduct a comprehensive assessment of the patient based on the patient's physical data;

2) Simulate anesthesia and preoperative preparation. Patients usually receive local anesthesia, and sometimes intravenous anesthesia may be required. The operator selects anesthesia based on the simulated data to complete the preoperative preparation;

Step 1) and step 2) are simulated through the touch screen display 6 .

3) Simulating the establishment of venous access and simulating arterial cannulation. Before the operation begins, a venous access will be established in the patient's veins to give necessary drugs and fluids. Arterial cannulation is selected at the patient's groin, and the catheter 10 is inserted into the femoral artery model 701 of the patient model 7;

4) Simulate the catheter 10 to guide the intervention. After the catheter 10 is inserted, guide the catheter 10 to the branch position of the common hepatic artery model 702 to ensure that the catheter 10 accurately reaches the tumor model 801;

5) The branch of the hepatic artery is simulated and determined, the catheter 10 reaches the common hepatic artery model 702, and the operator will inject a simulated contrast agent into the catheter 10 through the syringe 9 to simulate the blood supply operation of identifying the branch of the hepatic artery and the lesion;

6) Simulating the injection of chemotherapy drugs. After determining the branch of the hepatic artery, the operator injects the simulated chemotherapy drugs into the catheter 10 with the syringe 9;

7) Injection of the simulated embolic agent, after injecting chemotherapy drugs, the operator injects the simulated embolic agent into the catheter 10 with the syringe 9;

The simulated contrast agent, simulated chemotherapy drug and simulated embolic agent in step 5), step 6) and step 7) can be simulated by using air or water.

8) Simulation observation and monitoring, the operator will closely observe the patient's vital signs and blood supply displayed on the touch screen display 6, and adjust the position of the catheter 10 or the injected medicine and the injected flow rate as needed;

Step 8) Simulate the operation through the touch screen display 6 .

9) To simulate the removal and hemostasis of the catheter 10, the operator carefully removes the catheter 10 and applies pressure on the puncture point to simulate the hemostasis operation;

10) Simulate postoperative care, the operator continues to monitor the patient's condition after the operation, and the operator gives corresponding treatment according to the patient's condition.

Step 10) Simulate the operation through the touch screen display 6 .

Among them, step 1), step 2), and step 8) include simulated patient physiological signs and data, involving simulated monitoring of blood pressure and pulse, simulated monitoring of electrocardiogram, simulated monitoring of blood oxygen saturation, simulated monitoring of respiratory rate and depth, simulated monitoring Temperature, simulated monitoring of blood coagulation function and simulated monitoring image monitoring, the above simulated parameters are all simulated through the touch screen display 6 to train medical staff to operate when the patient's physiological parameters fluctuate.

The above steps 1) to 10) are the preferred operation steps of an intelligent liver model teaching system described in Example 1, aiming at medical staff to carry out standardized simulation training to enhance coping ability without involving specific surgical methods.

The content not described in detail in this description belongs to the prior art known to those skilled in the art.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention to other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or modify the equivalent of equivalent changes. The embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solutions of the present invention without departing from the content of the technical solutions of the present invention.

Claims (7)

1. The intelligent liver model teaching system is characterized in that it comprises a demonstration cabinet, the bottom of the demonstration cabinet is provided with universal stop wheels, the top of the demonstration cabinet is provided with an operation platform, the front side of the operation platform is provided with switch buttons, and the rear side of the operation platform is A support column is provided, a touch screen display is connected to the top of the support column, a patient model is provided on the top of the operating platform, a liver model is provided inside the patient model, and interventional simulation equipment is provided on the patient model; The interventional simulation device includes a syringe and a catheter, and the catheter is connected to the head of the syringe and inserted into the patient model. 2. The intelligent liver model teaching system according to claim 1, characterized in that the number of said universal stop wheels is 4, which are arranged at the four corners of the bottom of the demonstration cabinet. 3. The intelligent liver model teaching system according to claim 1, characterized in that the screen size of the touch screen display is ≥55 inches, the resolution is ≥3840*2160, the number of touch points is ≥6, and the contrast ratio is ≥5000:1 , brightness ≥ 280cd/㎡, viewing angle ≥ 178° (H/V). 4. The intelligent liver model teaching system according to claim 1, wherein the patient model is provided with a femoral artery model and a common hepatic artery model, and the common hepatic artery model is connected to the femoral artery model and inserted into the liver model . 5. The intelligent liver model teaching system according to claim 1, wherein a tumor model is set inside the liver model. 6. The method for using the intelligent liver model teaching system according to any one of claims 1-5, characterized in that it comprises the following steps: 1) simulated preoperative evaluation; 2) simulated anesthesia and preoperative preparation; 3) Simulated venous access establishment and simulated arterial cannulation; 4) Simulated catheter-guided intervention; 5) simulate and determine the branch of the hepatic artery; 6) Simulate chemotherapy drug injection; 7) simulate embolism injection; 8) Simulation observation and monitoring; 9) Simulated catheter removal and hemostasis; 10) Simulate postoperative care. 7. The method for using the intelligent liver model teaching system according to claim 6, characterized in that, said step 1), step 2), and step 8) include simulating the patient's physiological signs and data, involving simulating blood pressure monitoring and pulse, simulated monitoring of electrocardiogram, simulated monitoring of blood oxygen saturation, simulated monitoring of respiratory rate and depth, simulated monitoring of temperature, simulated monitoring of coagulation function and simulated monitoring of image monitoring.