CN104392051A - Solid wall and fluid finite element model of arterial aneurysm of internal carotid - Google Patents
Solid wall and fluid finite element model of arterial aneurysm of internal carotid Download PDFInfo
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- CN104392051A CN104392051A CN201410698327.0A CN201410698327A CN104392051A CN 104392051 A CN104392051 A CN 104392051A CN 201410698327 A CN201410698327 A CN 201410698327A CN 104392051 A CN104392051 A CN 104392051A
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- 239000007787 solid Substances 0.000 title claims abstract description 30
- 206010002329 Aneurysm Diseases 0.000 title claims abstract description 28
- 239000012530 fluid Substances 0.000 title claims abstract description 22
- 210000001367 artery Anatomy 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000011960 computer-aided design Methods 0.000 claims abstract description 4
- 206010007686 Carotid artery aneurysm Diseases 0.000 claims description 24
- 210000004004 carotid artery internal Anatomy 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 4
- 210000001311 petrous bone Anatomy 0.000 claims description 4
- 238000003325 tomography Methods 0.000 claims description 3
- 230000000877 morphologic effect Effects 0.000 abstract description 3
- 206010028980 Neoplasm Diseases 0.000 abstract 5
- 210000000988 bone and bone Anatomy 0.000 abstract 1
- 210000000711 cavernous sinus Anatomy 0.000 abstract 1
- 230000000004 hemodynamic effect Effects 0.000 abstract 1
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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Abstract
The invention discloses a solid wall and fluid finite element model of an arterial aneurysm of an internal carotid. The finite element model comprises a petrosal bone section, a foramen lacerum section, a cavernous sinus section, a clinoid process section, an eye section, a back traffic section of the internal carotid. The model is an internal carotid arterial aneurysm geometric model established based on CT cross-sectional images; after two ends are sheared, the two ends faces, namely, the entrance and the exit are removed; by virtue of computer aided design, a solid model of an arterial aneurysm wall and a tumor-carrying arterial wall can be generated; the model can change the wall thickness, the size and shape of the arterial aneurysm, and sub-tumor; the inner diameter of the tumor-carrying artery can be amplified and zoomed out; the fluid finite element model changes along with the change of grids of a solid wall. According to the finite element model, the size and shape of the internal carotid arterial aneurysm model, the sub-tumor structure and the tumor-carrying artery morphological parameters can be set by using different parameters, and the purpose of analyzing hemodynamic change inside the arterial aneurysm under different conditions and forms can be realized.
Description
Technical field
The invention belongs to Computational Mechanics field, particularly relate to a kind of aneurysm of internal carotid artery solid walls and fluid finite element model.
Background technology
At present, existing aneurysm of internal carotid artery solid walls finite element model, generally adopt shell grid, same thickness is have employed when taking out shell, significantly reduce the difficulty that finite element model is set up, although also certain conclusion can be drawn, also make aneurysm part solid walls identical with the thickness of parent artery wall, obviously do not meet the actual conditions that aneurysm wall is thinner than parent artery wall.
At present, developing rapidly of image technology and computer technology, the Persisting exploitation of software for calculation is also more powerful, and Computational Mechanics has obtained applying more and more widely, utilizes Computational Mechanics to carry out researching human body blood flow situation and more comes into one's own because of easy, practical.
Summary of the invention
The object of the present invention is to provide a kind of aneurysm of internal carotid artery solid walls and fluid finite element model, be intended to solve the shell grid that existing aneurysm of internal carotid artery solid walls finite element model adopts, same thickness is adopted when taking out shell, make aneurysm part solid walls identical with the thickness of parent artery wall, do not meet aneurysm wall and be thinner than the problems such as the actual conditions of parent artery wall.
The present invention realizes like this, a kind of carotid artery aneurysms solid walls and fluid finite element model, comprise the petrous bone section of internal carotid, foramen lacerum section, cavernous segment, the prominent section of bed, eye section, rear traffic section, aneurysm is positioned at rear traffic section, the carotid artery aneurysms geometric model that this carotid artery aneurysms solid walls and fluid finite element model are set up based on CT faultage image, behind cutting two ends, remove entrance and exit two end faces, machine Computer Aided Design as calculated, the solid model of aneurysm wall and parent artery wall can be generated, and this model arbitrarily can change wall thickness, aneurysmal size and geometric, sub-knurl, the internal diameter of parent artery can amplify and reduce, fluid finite element model is followed the change of solid walls grid and changes.
The present invention also takes following technical measures:
The construction method of this model is:
Step one: carotid artery aneurysms geometric model is set up, and adopts Threshold sementation, is partitioned into area-of-interest, and carry out the cutting at two ends in mimics;
Step 2: enter in 3matic and shell process generation carotid artery aneurysms wall geometric model is taken out to carotid artery aneurysms geometric model;
Step 3: can arbitrarily design aneurysmal size in 3matic, and be not completely based on the data of tomography CTA;
Step 4: knurl body expands, the design of sub-knurl.
The advantage that the present invention brings and good effect are: carotid artery aneurysms solid walls of the present invention and fluid finite element model, can use different parameters that the size of carotid artery aneurysms model, form, sub-knurl structure and parent artery Morphologic Parameters are set, the object of the blood stream rheology analyzing aneurysm inside under different blood circumstance, vascular morphology can be reached.
Accompanying drawing explanation
Fig. 1 is the carotid artery aneurysms solid walls that provides of the embodiment of the present invention and fluid finite element model construction method process flow diagram;
Fig. 2 is the carotid artery aneurysms solid walls that provides of the embodiment of the present invention and fluid finite element model;
In figure: 1, petrous bone section; 2, foramen lacerum section; 3, cavernous segment; 4, the bed section of dashing forward; 5, eye section; 6, rear traffic section; 7, aneurysm.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 2, a kind of carotid artery aneurysms solid walls and fluid finite element model, comprise the petrous bone section 1 of internal carotid, foramen lacerum section 2, cavernous segment 3, the prominent section 4 of bed, eye section 5, rear traffic section 6, aneurysm 7 is positioned at rear traffic section 7, the carotid artery aneurysms geometric model that this carotid artery aneurysms solid walls and fluid finite element model are set up based on CT faultage image, behind cutting two ends, remove entrance and exit two end faces, machine Computer Aided Design is as calculated carried out inside 3-matic software, the solid model of aneurysm wall and parent artery wall can be generated, and this model arbitrarily can change wall thickness, aneurysmal size and geometric, sub-knurl, the internal diameter of parent artery can amplify and reduce, fluid finite element model is followed the change of solid walls grid and changes.
Fig. 1 shows carotid artery aneurysms solid walls of the present invention and fluid finite element model construction method process flow diagram, as shown in the figure,
S101: carotid artery aneurysms geometric model is set up, and adopts Threshold sementation, is partitioned into area-of-interest, and carry out the cutting at two ends in mimics;
S102: enter in 3matic and shell process generation carotid artery aneurysms wall geometric model is taken out to carotid artery aneurysms geometric model;
S103: can arbitrarily design aneurysmal size in 3matic, and be not completely based on the data of tomography CTA;
S104: knurl body expands, the design of sub-knurl.
Carotid artery aneurysms solid walls of the present invention and fluid finite element model, can use different parameters that the size of carotid artery aneurysms model, form, sub-knurl structure and parent artery Morphologic Parameters are set, the object of the blood stream rheology analyzing aneurysm inside under different situations, form can be reached.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that performing creative labour can make still within protection scope of the present invention.
Claims (2)
1. an aneurysm of internal carotid artery solid walls and fluid finite element model, it is characterized in that, described aneurysm of internal carotid artery solid walls and fluid finite element model comprise petrous bone section, foramen lacerum section, cavernous segment, the bed section of dashing forward, eye section, the rear traffic section of internal carotid, and aneurysm is positioned at rear traffic section; The carotid artery aneurysms geometric model that this carotid artery aneurysms solid walls and fluid finite element model are set up based on CT faultage image, behind cutting two ends, remove entrance and exit two end faces, machine Computer Aided Design as calculated, generate the solid model of aneurysm wall and parent artery wall, and this model arbitrarily changes wall thickness, aneurysmal size and geometric, sub-knurl, the internal diameter of parent artery amplifies and reduces, and fluid finite element model is followed the change of solid walls grid and changes.
2. aneurysm of internal carotid artery solid walls according to claim 1 and fluid finite element model, is characterized in that, the construction method of this model is:
Step one: carotid artery aneurysms geometric model is set up, and adopts Threshold sementation, is partitioned into area-of-interest, and carry out the cutting at two ends in mimics;
Step 2: enter in 3matic and shell process generation carotid artery aneurysms wall geometric model is taken out to carotid artery aneurysms geometric model;
Step 3: arbitrarily design aneurysmal size in 3matic, and be not completely based on the data of tomography CTA;
Step 4: knurl body expands, the design of sub-knurl.
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| CN201410698327.0A CN104392051A (en) | 2014-11-28 | 2014-11-28 | Solid wall and fluid finite element model of arterial aneurysm of internal carotid |
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| CN201410698327.0A CN104392051A (en) | 2014-11-28 | 2014-11-28 | Solid wall and fluid finite element model of arterial aneurysm of internal carotid |
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| CN104392051A true CN104392051A (en) | 2015-03-04 |
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| CN201410698327.0A Pending CN104392051A (en) | 2014-11-28 | 2014-11-28 | Solid wall and fluid finite element model of arterial aneurysm of internal carotid |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107273658A (en) * | 2017-05-16 | 2017-10-20 | 哈尔滨医科大学 | Rupture of intracranial aneurysm risk is estimated and its device that image is classified |
| CN109472823A (en) * | 2018-10-26 | 2019-03-15 | 强联智创（北京）科技有限公司 | A kind of measurement method and system of the Morphologic Parameters of intracranial aneurysm image |
| CN109472780A (en) * | 2018-10-26 | 2019-03-15 | 强联智创（北京）科技有限公司 | A kind of measurement method and system of the Morphologic Parameters of intracranial aneurysm image |
| CN109493348A (en) * | 2018-10-26 | 2019-03-19 | 强联智创（北京）科技有限公司 | A kind of measurement method and system of the Morphologic Parameters of intracranial aneurysm image |
| CN115953457A (en) * | 2023-03-14 | 2023-04-11 | 杭州脉流科技有限公司 | Method and computer device for recommending first spring coil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107273658A (en) * | 2017-05-16 | 2017-10-20 | 哈尔滨医科大学 | Rupture of intracranial aneurysm risk is estimated and its device that image is classified |
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| CN109472823A (en) * | 2018-10-26 | 2019-03-15 | 强联智创（北京）科技有限公司 | A kind of measurement method and system of the Morphologic Parameters of intracranial aneurysm image |
| CN109472780A (en) * | 2018-10-26 | 2019-03-15 | 强联智创（北京）科技有限公司 | A kind of measurement method and system of the Morphologic Parameters of intracranial aneurysm image |
| CN109493348A (en) * | 2018-10-26 | 2019-03-19 | 强联智创（北京）科技有限公司 | A kind of measurement method and system of the Morphologic Parameters of intracranial aneurysm image |
| CN109472823B (en) * | 2018-10-26 | 2021-10-29 | 强联智创（北京）科技有限公司 | Method and system for measuring morphological parameters of intracranial aneurysm image |
| CN109472780B (en) * | 2018-10-26 | 2021-10-29 | 强联智创（北京）科技有限公司 | Method and system for measuring morphological parameters of intracranial aneurysm image |
| CN109493348B (en) * | 2018-10-26 | 2021-11-26 | 强联智创（北京）科技有限公司 | Method and system for measuring morphological parameters of intracranial aneurysm image |
| CN115953457A (en) * | 2023-03-14 | 2023-04-11 | 杭州脉流科技有限公司 | Method and computer device for recommending first spring coil |
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