阅读说明：本技术 一种冠状动脉介入训练模型 (Coronary artery intervention training model ) 是由 刘朝晖 刁华英 于 2019-11-04 设计创作，主要内容包括：本发明涉及一种冠状动脉介入训练模型,其特征在于：包括主动脉及部分动脉分支模型、冠状动脉分支模型、箱体,所述主动脉模型由病人CT数据通过MIMCS软件重建出主动脉及冠状动脉3D模型,3D打印出实体模型,从而得到真实的主动脉模型；所述冠状动脉分支模型是1-3mm内径的透明塑料软管,使用紫外线胶水粘接制作而成；所述箱体是亚克力板制成的上端开口的长方体箱,模型固定在箱体底板上。本发明可用来训练冠脉造影及冠脉介入指引导管、导丝、球囊、支架的操作,可快速提升医务人员手术水平并且模型成本低可大规模推广。(The invention relates to a coronary artery interventional training model, which is characterized in that: the aorta and coronary artery three-dimensional model reconstruction method comprises an aorta and partial artery branch model, a coronary artery branch model and a box body, wherein the aorta model reconstructs an aorta and coronary artery 3D model from CT data of a patient through MIMCS software, and a solid model is printed in a 3D mode, so that a real aorta model is obtained; the coronary artery branch model is a transparent plastic hose with the inner diameter of 1-3mm and is made by bonding ultraviolet glue; the box body is a cuboid box which is made of an acrylic plate and is provided with an opening at the upper end, and the model is fixed on a bottom plate of the box body. The invention can be used for training the operation of coronary angiography and coronary intervention guide catheters, guide wires, balloons and stents, can quickly improve the operation level of medical personnel, has low model cost and can be popularized in a large scale.)

1. A coronary intervention training model, characterized by: the aorta and partial artery branch model is reconstructed into an aorta and coronary artery 3D model by CT data of a patient through MIMCS software, and the 3D printed solid model is made of ABS high-precision transparent resin and fixed on an aorta and partial artery branch model bracket at the bottom of the box body; the coronary artery branch model is made of a transparent plastic hose and is bonded by UV glue, and the bonded model is fixed on a white ABS bottom plate by the UV glue; the corrugated pipe is provided with a rubber elastic joint which is sleeved at the left subclavian artery and the thoracic aorta opening of the aorta model; the box body is a cuboid box with an opening at the upper end and spliced by transparent acrylic plates, and the bottom of the box body is provided with a coronary artery branch model plate bracket and an aorta and partial artery branch model bracket.

2. The coronary artery intervention training model of claim 1, wherein: the aorta and partial artery branch models are 3D models of aorta and coronary artery reconstructed by CT data of patients with different lesion characteristics through MIMCS software, and different solid models are printed in 3D.

3. The coronary artery intervention training model of claim 1, wherein: the corrugated pipe is connected with the inlet ends of the aorta and part of the artery branch models from holes on the left side surface and the front surface of the box body, the right radial artery is connected with the left side of the box body, the right femoral artery is connected with the front surface of the box body, and the left radial artery is not connected with the left side of the box body.

4. The coronary artery intervention training model of claim 1, wherein: the coronary artery branch diameter of the coronary artery branch model plate is 1-3mm, different plastic hoses are selected to simulate coronary artery branches according to different pathological changes, and the detachable white ABS bottom plate is fixed at the bottom of the box body.

5. The coronary artery interventional training model as set forth in claims 2 and 4, wherein: the connection mode of the aorta and partial artery branch model and the coronary artery branch model is that the coronary artery access end of the artery branch model enlarges the inner diameter of the model by 1mm by using 3DMAX, and a plastic pipe of the coronary artery branch model is directly inserted into the access end.

6. The coronary artery intervention training model of claim 4, wherein: the white ABS bottom plate is a rectangular plate, and four round holes are formed in the rectangular plate and located at four corners.

7. The coronary artery intervention training model of claim 1, wherein: the aorta and partial artery branch model supports are two semicircular supports supported by four internal thread columns and are fixed by bolts.

8. The coronary artery intervention training model of claim 1, wherein: the coronary artery branch model plate bracket comprises four linear array internal thread columns and bolts matched with the internal thread columns.

9. The coronary artery intervention training model of claim 1, wherein: the right side of the box body is provided with water level scales, each grid is 1mm, and holes for connecting the corrugated pipes are formed in the left side face and the front face of the box body.

Technical Field

The invention relates to the field of medical instruments, in particular to a coronary artery interventional training model.

Background

Coronary Heart Disease (CHD), the most common heart disease, refers to myocardial dysfunction and/or organic lesions caused by coronary artery stenosis and insufficient blood supply. Coronary angiography and intracoronary interventional therapy are common and effective treatment methods for coronary heart disease, but the number of patients with coronary heart disease far exceeds the number of cardiovascular interventionalists who are skilled in operation, and the gap is still increasing. When a new doctor is cultivated, a skilled operator generally teaches how to operate the catheter, the guide wire, the balloon, the stent and other instruments in the operation, the mode is effective but low in efficiency and quite unsafe, a young doctor learns the old doctor to operate the catheter, the guide wire, the balloon, the stent and other instruments in the operation by observing, the period from the operation to the clinical operation of the young doctor is very long, a relevant training model is also available abroad, and the high price is not favorable for large-scale popularization.

In summary, the problems to be solved by the present invention are:

1. provides a coronary artery interventional training model to help doctors quickly become proficient in coronary angiography and coronary artery interventional operation.

2. The model needs to be close to the actual situation and is favorable for wide-range popularization in price.

Disclosure of Invention

The invention aims to provide a coronary artery interventional training model.

In order to solve the technical problems, the invention provides a coronary artery interventional training model which comprises an aorta and partial artery branch model, a coronary artery branch model plate, a box body and a corrugated pipe.

The aorta and partial artery branch model is fixed on the aorta and partial artery branch model bracket at the bottom of the box body by bolts, and the right subclavian artery and thoracic aorta ports of the model are respectively connected with corrugated pipes to lead to the outside of the box body;

the coronary artery branch model plate is formed by a coronary artery branch model and a white ABS plate and is fixed on a coronary artery branch model plate bracket at the bottom of the box body, the coronary artery branch model is a transparent plastic hose and is formed by bonding transparent plastic hoses with different inner diameters through UV glue, and then the coronary artery branch model is fixed on the white ABS bottom plate through the UV glue;

the rubber elastic joint is arranged, the inlet end of the left subclavian artery of the aorta and partial artery branch model is connected into the hole on the left side surface of the box body, and the inlet end of the thoracic aorta of the aorta and partial artery branch model is connected into the hole on the front surface of the box body.

The box body is a cuboid box body which is made of transparent acrylic materials and is provided with an opening at the upper end, and the bottom of the box body is provided with a coronary artery branch model plate bracket and an aorta and partial artery branch model bracket.

Furthermore, the aorta and part of the artery branch models are reconstructed into aorta and coronary artery 3D models through patient CT data through MIMCS software, the inner diameter of the model is enlarged by 1mm by using 3D MAX at the coronary artery access end, and the solid model is printed out in 3D.

Furthermore, the diameter of the coronary artery branch model plate is 1-3mm, different plastic hoses are selected according to different patient conditions to simulate the coronary artery branch, and the coronary artery branch model plate is fixed on a detachable white ABS bottom plate by UV glue and then fixed at the bottom of the box body.

Furthermore, the aorta and the connection mode of the partial artery branch model and the coronary artery branch model are directly inserted into the coronary artery access end of the expanded artery branch model.

Furthermore, the white ABS bottom plate is a rectangular plate, and four round holes are formed in the rectangular plate and located at four corners.

Furthermore, the right side surface of the box body is provided with water level scales, each small grid is 1mm, each large grid is 5mm, and holes for connecting corrugated pipes are formed in the left side surface and the front surface of the box body; the coronary artery branch model plate bracket at the bottom of the box body is provided with four linear-array internal thread columns and bolts matched with the internal thread columns, and the aorta and partial artery branch model brackets are formed by supporting two semicircular brackets by the four internal thread columns and fixing the semicircular brackets by the bolts.

Advantageous effects of the invention

(1) The aorta and coronary artery 3D model is rebuilt by the patient CT data through MIMCS software, the solid model printed by 3D is the same as the real shape of the patient coronary artery, the model is very transparent due to ABS high-precision transparent resin material, the shape and the running of the catheter in the model can be clearly seen, different aorta and coronary artery models can be printed according to different lesions, and multiple conditions are provided for training.

(2) When the model is used, water is poured into the box body to simulate the environment that the coronary artery interventional operation is full of blood, the model is made of transparent materials, and various operations during the simulated coronary artery interventional operation can be clearly seen.

(3) The model material is simple and has low cost, the total cost is less than 2000 RMB, and the model is 1/100 of a similar foreign model. Each hospital carrying out coronary intervention operation can establish a simulated operating room.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

It should be noted that the coronary artery model in the present specification is a perspective view reconstructed from CT data by MIMCS software, and the drawings in the present specification are only simplified drawings and do not represent actual coronary arteries.

Fig. 1 is a schematic structural diagram of a coronary artery interventional training model.

Fig. 2 is a schematic diagram of a specific structure of the box body.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical solution of the present invention will be clearly and completely described by the following detailed description. It should be noted that the following technical solutions do not describe the coronary intervention.

The specific structure of the coronary artery interventional training model provided by the invention is shown in figure 1: comprises an aorta and partial artery branch model 1, a coronary artery branch model plate 2, a box body 3 and a corrugated pipe 4.

The aorta and partial artery branch model 1 is a 3D model of aorta and coronary artery reconstructed by CT data of a patient through MIMCS software, and the 3D printed solid model is made of ABS high-precision transparent resin. The model bracket 8 is fixed on the aorta and partial artery branch at the bottom of the box body 3 by bolts 11, and the left subclavian artery and thoracic aorta of the model are respectively connected with the corrugated pipes 4 and communicated to the outside of the box body 3.

The transparent plastic hose of the coronary artery branch model plate 2 is manufactured by bonding UV glue, the bonded model is fixed on a white ABS bottom plate 6 by the UV glue, and the connection mode of the aorta and partial artery branch model 1 and the coronary artery branch model plate 2 is that a coronary artery branch model plastic pipe is directly inserted into an expanded coronary artery access end of the artery branch model; the bonded coronary artery branch model plate 2 is fixed on a coronary artery branch model plate bracket at the bottom of the box body 3, the white ABS bottom plate is a rectangular plate, and four round holes are arranged at four corners on the white ABS bottom plate.

The box body 4 (as shown in figure 2) is a cuboid box body which is made of transparent acrylic material and is provided with an opening at the upper end, the bottom of the box body is provided with a coronary artery branch model plate bracket 9 and an aorta and partial artery branch model bracket 8, the right side surface of the box body is provided with water level scales 14, each small grid is 1mm, each large grid is 5mm, and the left side surface and the front surface are provided with holes (12 and 13) for connecting corrugated pipes; the aorta and partial artery branch model bracket 8 is characterized in that two semicircular brackets 10 are supported by four internal thread columns 9, the semicircular brackets 10 are fixed by bolts 9, and the aorta and partial artery branch model 1 is clamped in the brackets; the coronary artery branch model plate bracket 9 at the bottom of the box body consists of four linear array internal thread columns 9 and bolts 11 matched with the internal thread columns.

The corrugated pipe 4 is a corrugated pipe with a rubber elastic joint, and the joint is sleeved at the left subclavian artery and the thoracic aorta of the aorta model and then penetrates out of holes (12 and 13) on the side surface and the front surface of the box body; the corrugated pipe 4 is used for simulating that the catheter is reversely conveyed into the aortic root through the radial artery and the femoral artery.

The principle of the coronary artery interventional training model is as follows:

when in use, the printed coronary artery branch model plate 2 and the printed coronary artery branch model plate 2 are connected and fixed on the aorta and partial artery branch model support 8 and the coronary artery branch model plate support 9, the corrugated pipe penetrates from the holes (12 and 13) on the box body to be respectively connected at the left subclavian artery and the thoracic aorta sleeved on the aorta model, and then the box body is filled with water with proper depth according to the requirement to simulate the operation environment; then the physician operates in the box and explains the various operations of coronary intervention, followed by other learners performing training operations.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.