CN102723034A - Model for simulating pathology of coronary heart disease - Google Patents
Model for simulating pathology of coronary heart disease Download PDFInfo
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- CN102723034A CN102723034A CN2012102075338A CN201210207533A CN102723034A CN 102723034 A CN102723034 A CN 102723034A CN 2012102075338 A CN2012102075338 A CN 2012102075338A CN 201210207533 A CN201210207533 A CN 201210207533A CN 102723034 A CN102723034 A CN 102723034A
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- coronary artery
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Abstract
The invention discloses a model for simulating the pathology of a coronary heart disease, and relates to a teaching tool for medicinal pathology. The model for simulating the pathology of the coronary heart disease comprises a heart model, an aorta model and a coronary artery model, wherein the coronary artery model is on the surface of a heart and the initial part of the coronary artery model is communicated with an aorta. The model for simulating the pathology of the coronary heart disease is characterized in that the front descending branch of a left coronary artery can be plugged with a movable part; and the movable part is a coronary artery stenosis model. The heart model is characterized in that a left ventricular wall can be plugged with a movable part; and the movable part is a myocardial infarction morphological model watched by naked eyes, a myocardial infarction thickness model and a myocardial infarction complication model. The model for simulating the pathology of the coronary heart disease is suitable to provide a model teaching tool to a medicinal student to study the coronary heart disease, is simple in the whole structure, convenient to operate, and intuitional in teaching and has a high teaching demonstration effect.
Description
Technical field
The present invention relates to a kind of medical teaching and use teaching aid, particularly coronary heart disease pathological change model teaching aid.
Background technology
In pathological teaching, when telling about " coronary heart disease pathological change ", aided education is mainly presented to the sample of student's dipped into formalin, with the size of observing pathology, shape, color, quality etc., has following defective:
(1) the coronary heart disease histological type is incomplete;
(2) heart lung preparation is heavier not portable;
(3) the not replaceable displaying of same position pathology type.
Summary of the invention
The present invention provides a kind of coronary heart disease pathological model, realizes through following technical scheme:
A kind of coronary heart disease pathological model teaching aid; It comprises cardiac module, sustainer model and coronary artery model, and the coronary artery model is positioned at heart surface, and its initial part and sustainer are connected; The ramus descendens anterior arteriae coronariae sinistrae near-end movable part of can pegging graft, movable part is the coronary artery stenosis model; Cardiac module is characterised in that the left ventricular wall movable part of can pegging graft, and movable part is myocardial infarction naked eyes appearance model, myocardial infarction thickness model and myocardial infarction complication model.Said coronary artery stenosis model comprises narrow I level model (≤25%), II level model (26-50%), III level model (51-75%) and IV level model (>=76%); Myocardial infarction naked eyes appearance model comprises pale asphyxia, khaki, congested band model, red granulation organize models and canescence scar model; The myocardial infarction thickness model comprises thin layer infarct model (＜1/2), thick-layer infarct model (＞1/2) and holostrome infarct model; Myocardial infarction complication model comprises cardiac rupture model, locular wall knurl model and lateral thrombus model.
Beneficial effect of the present invention is: this teaching aid not only comprises the coronary artery pathological changes of coronary heart disease, has also showed the myocardial infarction and the severe complications that cause thus, has the following advantages:
(1) project organization is reasonable, is easy to carry;
(2) can show the coronary heart disease histological type comprehensively;
(3) the same position histological type displacement demonstration of can pegging graft;
Show that through teaching aid of the present invention the student understands content easily, and can stay deep impression.
Description of drawings:
Accompanying drawing 1 is a coronary heart disease pathological model structural representation according to the invention.
Among the figure:
1, sustainer model
2, atrium dextrum model
3, arteria coronaria dextra model
4, right ventricle model
5, pulmonary artery model
6, left coronary artery main stem model
7, LC model
8, ramus descendens anterior arteriae coronariae sinistrae model
9, left ventricle model
10, left ventricular wall movable part
11,12,13,14, coronary artery stenosis model
15,16,17,18,19, myocardial infarction naked eyes appearance model
20,21,22, myocardial infarction thickness model
23,24,25, myocardial infarction complication model
26, cardiac module
27, coronary artery movable part
28, coronary artery stenosis.
Embodiment:
Existing with reference to accompanying drawing 1; Explain as follows in conjunction with embodiment: coronary heart disease pathological model according to the invention; It comprises cardiac module 26, sustainer model 1 and left coronary artery main stem model 6 and arteria coronaria dextra model 3, and left coronary artery main stem model 6 is positioned at heart surface, and its initial part and sustainer model 1 are connected; The ramus descendens anterior arteriae coronariae sinistrae 8 near-ends movable part of can pegging graft, movable part is a coronary artery stenosis model 11,12,13,14; Left ventricular wall movable part 10 is myocardial infarction naked eyes appearance model 15,16,17,18,19, myocardial infarction thickness model 20,21,22 and myocardial infarction complication model 23,24,25.
Said coronary artery stenosis model comprises narrow I level model (≤25%) 11, II level model (26-50%) 12, III level model (51-75%) 13 and IV level model (>=76%) 14.
Myocardial infarction naked eyes appearance model comprises pale asphyxia 15, khaki 16, congested band model 17, red granulation organize models 18 and canescence scar model 19.
The myocardial infarction thickness model comprises thin layer infarct model 20 (＜1/2), thick-layer infarct model 21 (＞1/2) and holostrome infarct model 22.
Myocardial infarction complication model comprises cardiac rupture model 23, locular wall knurl model 24 and lateral thrombus model 25.
During use, coronary atherosclerosis causes coronary artery stenosis 28, see at most with ramus descendens anterior arteriae coronariae sinistrae, and be right main coronary artery secondly.The ramus descendens anterior arteriae coronariae sinistrae model 8 near-ends movable part 27 of can pegging graft; Movable part is the coronary artery stenosis model; Narrow model is divided into level Four: I level≤25% (11), II level 26-50% (12), III level 51-75% (13), IV level>=76% (14); The above-mentioned movable part of can pegging graft is successively replaced, the analog demenstration myocardial blood supply increase the weight of with stenosis and blood flow reduce, interrupt even and cause myocardial infarction.
To pass in time be a dynamic evolution process to the naked eyes form after the myocardial infarction, and no naked eyes change in 6 hours after infarct; Infarcted region is pale asphyxia after 6 hours; Be khaki in 8-9 hour; Congested band was obvious in 3-7 days, the visible granulation tissue in infarcted region edge in the time of 10 days; 2-8 week infarcted region forms canescence cicatricial tissue 19 gradually.Left ventricular wall movable part 10 evolution process that naked eyes metamorphosis model (15,16,17,18,19) is simulated naked eyes form after the above-mentioned myocardial infarction of can pegging graft successively.
The scope of myocardial infarction kitchen range and the degree of depth can be carried out simulation shows through grafting infarct thickness model, comprise thin layer infarct model 20 (＜1/2), thick-layer infarct model 21 (＞1/2) and holostrome infarct model 22.The movable plug-in unit 10 of the left ventricular wall replacement myocardial infarction thickness model of can pegging graft is successively simulated.
Complication can appear in serious myocardial infarction, breaks locular wall knurl and lateral thrombus formation etc. like heart.The movable plug-in unit 10 of left ventricular wall can peg graft successively that replacement myocardial infarction complication model such as heart break 23, locular wall knurl 24 and lateral thrombus 25 are simulated.
Claims (1)
1. coronary heart disease pathological model; It comprises cardiac module, sustainer model and coronary artery model, and the coronary artery model is positioned at heart surface, and its initial part and sustainer are connected; It is characterized in that: the ramus descendens anterior arteriae coronariae sinistrae near-end movable part of can pegging graft; Movable part is the coronary artery stenosis model, and said coronary artery stenosis model comprises narrow I level model (≤25%), II level model (26-50%), III level model (51-75%) and IV level model (>=76%); Cardiac module is characterised in that the left ventricular wall movable part of can pegging graft; Movable part is myocardial infarction naked eyes appearance model, myocardial infarction thickness model and myocardial infarction complication model; Myocardial infarction naked eyes appearance model comprises pale asphyxia, khaki, congested band model, red granulation organize models and canescence scar model; The myocardial infarction thickness model comprises thin layer infarct model (＜1/2), thick-layer infarct model (＞1/2) and holostrome infarct model, and myocardial infarction complication model comprises cardiac rupture model, locular wall knurl model and lateral thrombus model.
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| CN2012102075338A CN102723034A (en) | 2012-06-23 | 2012-06-23 | Model for simulating pathology of coronary heart disease |
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| CN2012102075338A CN102723034A (en) | 2012-06-23 | 2012-06-23 | Model for simulating pathology of coronary heart disease |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716419A (en) * | 2016-10-28 | 2019-05-03 | 国立大学法人大阪大学 | Conduit-simulator internal organs model |
| CN110675717A (en) * | 2019-10-10 | 2020-01-10 | 吉林大学 | Bionic equipment for simulating vascular stenosis and thrombus |
| CN114267230A (en) * | 2021-11-18 | 2022-04-01 | 中国人民解放军空军军医大学 | Display device for coronary atherosclerosis model |
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| CN2499920Y (en) * | 2001-08-24 | 2002-07-10 | 丁红武 | Pelvic cavity model |
| CN2607635Y (en) * | 2002-12-20 | 2004-03-24 | 张导华 | Human heart model |
| US7083418B2 (en) * | 2003-10-16 | 2006-08-01 | Baldy By Design, Llc | Pediatric congenital heart defect repair model |
| CN200947310Y (en) * | 2006-08-30 | 2007-09-12 | 袁鹏 | Coronary artery distribution model |
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| CN110675717A (en) * | 2019-10-10 | 2020-01-10 | 吉林大学 | Bionic equipment for simulating vascular stenosis and thrombus |
| CN114267230A (en) * | 2021-11-18 | 2022-04-01 | 中国人民解放军空军军医大学 | Display device for coronary atherosclerosis model |
| CN114267230B (en) * | 2021-11-18 | 2024-02-27 | 中国人民解放军空军军医大学 | Display device for coronary atherosclerosis model |
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Application publication date: 20121010 |