CN213545699U

CN213545699U - Aortic dissection teaching model

Info

Publication number: CN213545699U
Application number: CN202022774990.8U
Authority: CN
Inventors: 盘瑞兰; 王艳娜; 胡静文
Original assignee: Dongguan Peoples Hospital
Current assignee: Dongguan Peoples Hospital
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-06-25
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an interbedded teaching model of aorta, including aorta teaching model, aorta teaching model is syllogic structure and from the top down has set gradually and has annotated the liquid container, aorta model and stock solution container, annotate the liquid container and pass through pipeline and aorta model swing joint, the lower extreme of aorta model passes through pipeline and stock solution container swing joint, aorta model include the model and with the lower model of last model lower extreme screw thread butt joint, it has set gradually transparent outer layer from outside to inside to go up the model, middle level and inlayer to go up the model, the inside multistage formula structure and inside packing of being of middle level have anhydrous copper sulfate, machine-shaping has the easy broken film of a plurality of groups on the inner wall of inlayer. The utility model discloses the design of the intermediate layer inner wall of aorta has easily breakable film to be provided with anhydrous copper sulfate at the middle level, can make liquid enter into anhydrous copper sulfate in through the mode of breaking easily breakable film, and show different colours, the interbedded condition of lively reaction aorta improves the effect of simulation.

Description

Aortic dissection teaching model

Technical Field

The utility model relates to a medical model technical field specifically is an interbedded teaching model of aorta.

Background

The aorta is the most bulky artery in the human body, and is sent out from the left ventricle of the heart, slightly arched upwards, rightwards and downwards, and descends along the spine, so that a plurality of smaller arteries are separated in the thoracic cavity and the abdominal cavity. The aorta is the main conduit for conveying blood to all parts of the body, also called aorta, and the aortic dissection refers to the state that the blood in the aortic lumen enters the aortic tunica media from the tear of the aortic intima, so that the media membranes are separated and expanded along the major axis direction of the aorta to form true and false separation of the two lumens of the aortic wall. The disease is rare, the incidence rate is one hundred thousand to one twenty thousand per year, the peak age is 50-70 years old, the proportion of men and women is about 2-3: 1, 65% -70% of the disease die of cardiac tamponade, arrhythmia and the like in an acute stage, so that early diagnosis and treatment are very necessary, and a special model is needed for facilitating medical students to better understand the structure of the aorta and the condition of aortic dissection.

However, the existing teaching model for aortic dissection has the following problems in the use process: (1) the existing aorta teaching model is generally a solid structure with a hard surface, the internal structure of the aorta cannot be accurately expressed, the aortic dissection condition is difficult to simulate, and the simulation effect is poor; (2) the aorta teaching model has simple structure and poor simulation effect, and cannot achieve the function of dynamic simulation. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interbedded teaching model of aorta has solved current aorta teaching model and has generally been the solid structure of surperficial hard, to the unable accurate expression of inner structure of aorta to be difficult to simulate the interbedded condition of aorta, the effect of simulation is not good, this technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an interbedded teaching model of aorta, includes aorta teaching model, aorta teaching model is syllogic structure and from the top down has set gradually and has annotated liquid container, aorta model and stock solution container, annotate liquid container and aorta model swing joint through pipeline, the lower extreme of aorta model passes through pipeline and stock solution container swing joint, aorta model includes the model and with the lower model of last model lower extreme screw thread butt joint, it has set gradually transparent skin, middle level and inlayer from outside to inside to go up the model, the inside multistage structure and the inside packing of being of middle level have anhydrous copper sulfate, machine-shaping has the fragile film of a plurality of groups on the inner wall of inlayer, adjacent two sets of easily broken film equidistance sets up, the lower extreme of lower model is formed with the delivery port, the delivery port is located the stock solution container.

As a preferred embodiment of the present invention, the liquid injection container has a trumpet-shaped structure and the upper opening is larger than the lower opening.

As a preferred embodiment of the present invention, the lengths of the transparent outer layer, the middle layer and the inner layer located at the end of the upper mold are sequentially the inner layer, the middle layer and the outer layer from large to small.

As a preferred embodiment of the utility model, the lower extreme of transparent skin, middle level and inlayer is the echelonment structure, the upper end and the transparent outer screw thread butt joint of lower model.

As a preferred embodiment of the present invention, the liquid storage container is a spherical structure and is formed with a liquid storage inner cavity inside.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the aorta model is designed into a two-end structure and adopts a separable structure, the lower end part can be separated, the inner interlayer is visually exposed and displayed, the understanding is convenient, the breakable film is designed on the inner wall of the aorta interlayer, the anhydrous copper sulfate is arranged on the middle layer, the liquid can enter the anhydrous copper sulfate in a mode of breaking the breakable film, different colors are displayed, the situation of the aorta interlayer is vividly reflected, and the simulation effect is improved.

2. This scheme has optimized the aorta model, adopts soft materials and upper and lower both ends design have annotates liquid container and stock solution container, can with the working condition of the demonstration aorta model that liquid can be dynamic of pouring into in the model, can help medical science class student better understanding the working condition of aorta to and the interbedded emergence condition of aorta.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a diagram of the aorta model separation structure according to the present invention;

FIG. 3 is a cross-sectional view of the lower end of the upper model of the present invention;

FIG. 4 is a schematic view of the I-shaped laceration, the dissection and the blood flow direction of the aorta model of the present invention;

FIG. 5 is a schematic view of the aortic model showing type II lacerations, dissections and blood flow directions;

fig. 6 is a schematic view of the aorta model showing the type iii lacerations, interlayers and blood flow direction.

In the figure, 1, a liquid injection container; 2. an aorta model; 3. a reservoir; 4. an upper model; 5. a lower model; 6. a transparent outer layer; 7. a middle layer; 8. an inner layer; 9. anhydrous copper sulfate; 10. the film is easy to break; 11. a water outlet; 12. a liquid storage cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an aorta interlayer teaching model comprises an aorta teaching model, the aorta teaching model is of a three-section structure and is sequentially provided with a liquid injection container 1, an aorta model 2 and a liquid storage container 3 from top to bottom, the liquid injection container 1 is movably connected with the aorta model 2 through a pipeline, the lower end of the aorta model 2 is movably connected with the liquid storage container 3 through a pipeline, the aorta model 2 comprises an upper model 4 and a lower model 5 in threaded butt joint with the lower end of the upper model 4, the upper model 4 is sequentially provided with a transparent outer layer 6, a middle layer 7 and an inner layer 8 from outside to inside, the transparent outer layer 6, the middle layer 7 and the inner layer 8 are all made of transparent materials, the middle layer 7 is of a multi-section structure and is filled with anhydrous copper sulfate 9, a plurality of groups of easily-breakable thin films 10 are formed on the inner wall of the inner layer 8 in a processing mode, two groups of the, the lower end of the lower model 5 is provided with a water outlet 11, and the water outlet 11 is positioned in the liquid storage container 3.

Further improved, as shown in fig. 1: the liquid injection container 1 is of a trumpet-shaped structure, and the opening at the upper end is larger than the opening at the lower end, so that liquid water can be conveniently filled to simulate the flow of blood.

Further improved, as shown in fig. 2: the transparent outer layer 6, the middle layer 7 and the inner layer 8 which are positioned at the tail end of the upper model 4 are sequentially the inner layer 8, the middle layer 7 and the outer layer from large to small in length.

Further improved, as shown in fig. 2: the lower ends of the transparent outer layer 6, the middle layer 7 and the inner layer 8 are of a step-shaped structure, and the upper end of the lower model 5 is in threaded butt joint with the transparent outer layer 6, so that the internal structure of the aorta can be better displayed in the design mode.

Specifically, the liquid storage container 3 is of a spherical structure and is internally provided with a liquid storage inner cavity 12, so that the liquid for simulating dynamic blood can be conveniently stored.

And (4) supplementary notes: according to the position of the laceration and the accumulation range of the interlayer, the three types are divided into:

type I, the laceration is located within 5 cm above the aortic valve, the proximal end is involved with the aortic valve, and the distal end is involved with the aortic arch, descending aorta, abdominal aorta, and even iliac arteries, as shown in figure 4;

type II, the position of the laceration is the same as that of type I, and the dissection is limited to the ascending aorta, as shown in figure 5;

type III, the laceration is located 2-5 cm far from the opening of the left subclavian artery and reaches the iliac artery towards the far end, as shown in figure 6.

When in use: the utility model discloses when needs demonstrate to aorta model 2's inner structure, can dismantle lower model 5 and expose the lower extreme of last model 4, can be visual show the inner structure and the distribution of aorta, when the blood of aorta is simulated to needs, can flow in liquid water and the aorta model 2 along annotating liquid container 1, when the aorta intermediate layer condition is demonstrateed to needs, the teacher can be as required with the breakable film 10 of certain group hold between the fingers brokenly, make liquid water enter into in the middle level 7 and contact with inside anhydrous copper sulfate 9, anhydrous copper sulfate 9 presents blue-green this moment, the interbedded condition of aorta of sign department that can be visual.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a teaching mode of aortic dissection, includes aorta teaching mode, its characterized in that: the aorta teaching model is of a three-section structure, the liquid injection container (1), the aorta model (2) and the liquid storage container (3) are sequentially arranged from top to bottom, the liquid injection container (1) is movably connected with the aorta model (2) through a pipeline, the lower end of the aorta model (2) is movably connected with the liquid storage container (3) through a pipeline, the aorta model (2) comprises an upper model (4) and a lower model (5) in threaded butt joint with the lower end of the upper model (4), the upper model (4) is sequentially provided with a transparent outer layer (6), a middle layer (7) and an inner layer (8) from outside to inside, the inner part of the middle layer (7) is of a multi-section structure, anhydrous copper sulfate (9) is filled in the middle layer, a plurality of groups of breakable thin films (10) are formed on the inner wall of the inner layer (8) in a processing mode, and two adjacent groups of breakable thin films (, a water outlet (11) is formed at the lower end of the lower model (5), and the water outlet (11) is positioned in the liquid storage container (3).

2. The instructional model of aortic dissection of claim 1, wherein: the liquid injection container (1) is of a trumpet-shaped structure, and an upper end opening is larger than a lower end opening.

3. The instructional model of aortic dissection of claim 1, wherein: the transparent outer layer (6), the middle layer (7) and the inner layer (8) which are positioned at the tail end of the upper model (4) are sequentially the inner layer (8), the middle layer (7) and the outer layer from large to small in length.

4. The instructional model of aortic dissection of claim 3, wherein: the lower ends of the transparent outer layer (6), the middle layer (7) and the inner layer (8) are of a step-shaped structure, and the upper end of the lower model (5) is in threaded butt joint with the transparent outer layer (6).

5. The instructional model of aortic dissection of claim 1, wherein: the liquid storage container (3) is of a spherical structure, and a liquid storage inner cavity (12) is formed inside the liquid storage container.