CN1305448C - Method and system for positioning blood vessel support and selecting support before operation - Google Patents
Method and system for positioning blood vessel support and selecting support before operation Download PDFInfo
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- CN1305448C CN1305448C CNB2005100115468A CN200510011546A CN1305448C CN 1305448 C CN1305448 C CN 1305448C CN B2005100115468 A CNB2005100115468 A CN B2005100115468A CN 200510011546 A CN200510011546 A CN 200510011546A CN 1305448 C CN1305448 C CN 1305448C
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Abstract
The present invention relates to a method and a system for positioning and selecting a blood vessel bracket before an operation. The method comprises the following steps: a selection step: at least one stenosis blood vessel is selected, and the positions of both ends of the stenosis blood vessel are determined; a stenosis data extraction step: the contour of the stenosis blood vessel is marked, and the data of the contour of the stenosis blood vessel is extracted; a reference data extraction step: the contour of a normal blood vessel is automatically drawn out according to the positions of both of the two ends of the stenosis blood vessel; comparison and calculation steps: stenosis data and normal data of the stenosis blood vessel are compared, and the data of a blood vessel bracket which is desired is calculated; a positioning step of the blood vessel bracket: a position and length for placing the blood vessel bracket are adjusted and determined according to the data of the blood vessel bracket and the positions of both of the two ends of the stenosis blood vessel. The present invention realizes the intellectualizing of the selection and the positioning of the blood vessel bracket, and gets rid of the traditional selection and positioning mode by means of clinical experience; meanwhile, a humanization operation interface lightens the burden of a doctor.
Description
Technical field
The present invention relates to analysis commonly used in a kind of interventional medicine field and obtain the method for support parameter, particularly relate to a kind of intravascular stent location and the preceding choosing method of art automatically.
Background technology
Angiostenosis is one of common disease medically, can occur in the different parts and the organ of human body, and existing heart and trunk also comprise peripheral blood vessel (IVC stenosis, renal artery stenosis, iliac artery and femoral artery stenosis etc.).The reason that can cause angiostenosis is a lot, and is as atherosclerosis, fibrillar muscle abnormal development, multiple arteritis etc., wherein remarkable to bodily fuctions's influence with heart and trunk and cerebrovascular pathological changes.
Along with updating of angiostenosis lesions treatment technology, a kind of emerging diagnosis and treatment technology one interventional medicine has appearred, and it is to have merged clinical skill, medical image technology, electrophysiological technique etc. to guide the brand-new subject of downcomer operation treatment in the iconography method.The intervention diagnosis and therapy technology has become the three big treatment meanss of running neck and neck with Drug therapy, surgical operation.This technology is (to refer to puncture vessel by the percutaneous catheter technology, by arriving lesion along blood vessel at external control lead, diagnose and treat a kind of means of disease) subject that carries out medical diagnosis on disease and treatment, be one of subject with fastest developing speed in the clinical medicine domain in past 20 years.Interventional therapy be fast effectively, little, the patient of wound recovers fast Therapeutic Method.
The common operation plan of interventional therapy is divided into two big classes: blood vessel molding and support are implanted, the simple but recurrence easily of the former operation method, and latter's operating difficulty is relatively large but evident in efficacy.In numerous applications of interventional therapy, particularly outstanding by the curative effect of cardiovascular serious symptoms such as angiography treatment coronary heart disease, angina pectoris and myocardial infarction.
Angiography is to use angiography catheter lesion vessels is carried out the digitized radiography, makes blood vessel be presented on us at the moment as tree root, and vascular lesion is high-visible, is described as " goldstandard " of diagnosis angiopathy.The reference vessel contrastographic picture, according to patient's concrete condition, the doctor can work out corresponding operation plan: implement blood vessel sacculus urethroptasty or merge stenting simultaneously, to solve pathological changes such as angiostenosis or obstruction.Wherein definite most important with the support relevant parameter directly has influence on the success or failure of operation and the rehabilitation process of postoperative patient.
The relevant support parameter that gets involved in doctor's operation plan comprises at present: position, diameter and length etc., and be doctor's reference vessel contrastographic picture and survey balloon diameter, decide according to clinical experience.Because doctors experience is different and use the detection sacculus can increase the expense of patient's inspection and bring discomfort to health, the doctor can't obtain accurate data usually, therefore can impact therapeutic effect.
Summary of the invention
Technical problem to be solved by this invention is to provide the method and system of choosing before a kind of intravascular stent location and the art, realized that support chooses and localized intellectuality, broken away from tradition and selected and localized mode by clinical experience, simultaneously, the operation interface of hommization has alleviated doctor's burden.
Another technical problem to be solved by this invention is to provide the method and system of choosing before a kind of intravascular stent location and the art, accurately finishing support chooses and locatees, for working out operation plan, the clinician provides strong help, efficiently solve the restenosis that vessel wall elasticity bounces back, negativity reconstruct causes after the angioplasty, the postoperative restenosis rate is obviously reduced.
To achieve these goals, the invention provides the preceding choosing method of a kind of intravascular stent location and art, its characteristics are, comprise the steps: to choose step, choose at least one section narrow blood vessel, and determine its end positions; Narrow data fetch step identifies this narrow blood vessel profile, and extracts the data of this narrow blood vessel profile; The reference data extraction step according to the end positions of this narrow blood vessel, is drawn the normal blood vessels profile automatically, and extracts the data of this normal blood vessels profile; Calculation procedure relatively, relatively this section angiostenosis and normal two groups of data calculate the data of required intravascular stent; The position and the length of placing rack is adjusted, determined to the intravascular stent positioning step according to the data of this intravascular stent and the end positions of this narrow blood vessel.
Above-mentioned location and choosing method, its characteristics are, also comprise a step display, with operating instruction and result in steps show.
Above-mentioned location and choosing method, its characteristics are that this normal blood vessels profile is according to this place, narrow blood vessel two ends its diameter of data computation.
Above-mentioned location and choosing method, its characteristics are that this comparison calculation procedure is to deduct this narrow blood vessel outline data from this normal blood vessels outline data.
Above-mentioned location and choosing method, its characteristics are that the data of this required intravascular stent comprise: angiostenosis position, position, stenosis, speckle and blockage information.
Above-mentioned location and choosing method, its characteristics are that the intravascular stent data of acquisition can be adjusted by the end positions that moves this section narrow blood vessel.
The present invention also provides a kind of intravascular stent location and the preceding selecting system of art, and its characteristics are, comprising: choose module, be used to choose at least one section narrow blood vessel, and determine its end positions; Narrow data extraction module is used to identify this narrow blood vessel profile, and extracts the data of this narrow blood vessel profile; The reference data extraction module is used for the end positions according to this narrow blood vessel, draws the normal blood vessels profile automatically, and extracts the data of this normal blood vessels profile; Relatively computing module is used for relatively this section angiostenosis and normal two groups of data, calculates the data of required intravascular stent; The intravascular stent locating module according to the data of this intravascular stent and the end positions of this narrow blood vessel, is determined the position and the length of placing rack.
Above-mentioned location and selecting system, its characteristics are, also comprise a display module, are used for the operating instruction and the result of all modules are shown.
Above-mentioned location and selecting system, its characteristics are that this normal blood vessels profile is according to this place, narrow blood vessel two ends its diameter of data computation.
Above-mentioned location and choosing method, its characteristics are that the comparison procedure of this comparison computing module is to deduct this narrow blood vessel outline data from this normal blood vessels outline data.
Above-mentioned location and choosing method, its characteristics are that the data of this required intravascular stent comprise: angiostenosis position, position, stenosis, speckle and blockage information.
Above-mentioned location and choosing method, its characteristics are that the intravascular stent data of acquisition can be adjusted by the end positions that moves this section narrow blood vessel.
Effect of the present invention is as follows:
1) realized that support chooses and localized intellectuality, broken away from tradition and selected and localized mode that simultaneously, the operation interface of hommization has alleviated doctor's burden by clinical experience.
2) accurately finish support and choose and locate, provide strong help, efficiently solve the restenosis that vessel wall elasticity retraction after the angioplasty, negativity reconstruct cause, the postoperative restenosis rate is obviously reduced for the clinician formulates operation plan.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the sketch map of narrow blood vessel contour line among the present invention;
Fig. 2 is the sketch map of the normal blood vessels contour line that draws among the present invention on the basis of actual vessel contour line;
Fig. 3 is the analysis result curve chart.
Fig. 4 is the implementation step flow chart of location among the present invention with choosing method;
The specific embodiment
Choosing method is to utilize existing angiography technology that lesion vessels is carried out the digitized radiography earlier before intravascular stent of the present invention location and the art, makes blood-vessel image be presented on the display of intravascular stent of the present invention location and selecting system.Afterwards, choose one section narrow blood vessel (also can choose multistage simultaneously), (one is a starting point to two reference points of definition on every section lesion vessels, and another point is terminal point, 2 line indication blood vessel trend-reference direction), determine the end positions of narrow blood vessel.According to the blood vessel end positions, begin to prolong reference direction search point of proximity and compare from starting point with starting point, satisfy all in the difference aspect two parameters of numerical value and space that threshold value requires, be considered as same tissue; Exceed threshold value be considered as organize profile point and connect, the conversion starting point repeats said process, up to the definition terminal point, thereby identifies the profile of selected narrow blood vessel, extracts the data of this narrow blood vessel profile.See also Fig. 1, be the sketch map of narrow blood vessel contour line among the present invention.As shown in the figure, narrow blood vessel contour line 10 places can naked eyes find out significantly narrowly, and its pathological changes situation is very serious as can be known.
Afterwards, according to the end positions of narrow blood vessel, the data of utilizing previous step to obtain suddenly, according to reference direction, revision part coordinate points is drawn the normal blood vessels profile automatically on the basis of narrow profile, obtains the data of this normal blood vessels profile.See also Fig. 2, the contour line in narrow blood vessel contour line 10 outsides is a normal blood vessels contour line 20.
Above-mentioned definite blood vessel contour method has been used the image recognition technology of using always in the medical image.This technology can be divided into following several big class usually: mode identification method (Pattern Recognition Techniques), method (Model-Based Approaches) based on model, based on the method (Tracking-Based Approaches) of following the tracks of, method (Artificiallntelligence Based Approaches) based on the artificial intelligence, based on neural network method (NeuralNetwork-Based Approaches), multiple tube detection method (Miscellaneous Tube-LikeObject Detection Approaches) etc., wherein each method can be segmented again, for example mode identification method is divided into again based on the image size, based on skeleton, based on projection, region growing, based on different geometries etc., so method is numerous.But each method is not independent existence, has between mutually associatedly, and use can combine several different methods.
With two kinds of contour lines draw come after, this narrow blood vessel contour line and two groups of data of normal blood vessels contour line are compared, deduct this narrow blood vessel outline data from this normal blood vessels outline data, calculate the data of narrow positions and required intravascular stent.These data comprise: the position of narrow blood vessel, stenosis, speckle and blockage information etc.Afterwards, comparative result and various data are shown with curve form, as shown in Figure 3, thereby, can accurately read the length of narrow blood vessel, the diameter of stenosis area, determine to lay the length and the diameter of support with this according to this curve chart with display device.
See also Fig. 4, be the implementation step flow chart of location and choosing method among the present invention.As shown in the figure, intravascular stent is located and is chosen step and comprises:
Step 401 is chosen at least one section narrow blood vessel, and determines its end positions;
Step 402 identifies this narrow blood vessel profile, and extracts the data of this narrow blood vessel profile;
Step 403 according to the end positions of this narrow blood vessel, is drawn the normal blood vessels profile automatically, and extracts the data of this normal blood vessels profile;
Step 404, two groups of data of this narrow blood vessel and normal blood vessels relatively calculate the data of required intravascular stent;
Step 405 utilizes diagrammatic form to show the data of comparative result and required intravascular stent;
Step 406 according to the data of this intravascular stent and the end positions of this narrow blood vessel, is determined the position and the length of placing rack.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (6)
1, selecting system before a kind of intravascular stent location and the art is characterized in that, comprising:
Choose module, be used to choose at least one section narrow blood vessel, and determine its end positions;
Narrow data extraction module is used to identify this narrow blood vessel profile, and extracts the data of this narrow blood vessel profile;
The reference data extraction module is used for the end positions according to this narrow blood vessel, draws the normal blood vessels profile automatically, and extracts the data of this normal blood vessels profile;
Relatively computing module is used for relatively this section angiostenosis and normal two groups of data, calculates the data of required intravascular stent;
The intravascular stent locating module according to the data of this intravascular stent and the end positions of this narrow blood vessel, is determined the position and the length of placing rack.
2, selecting system before location according to claim 1 and the art is characterized in that, also comprises a display module, is used for the operating instruction and the result of all modules are shown.
3, selecting system before location according to claim 1 and the art is characterized in that, this normal blood vessels profile comes according to this place, narrow blood vessel two ends data computation.
4, selecting system before location according to claim 1 and 2 and the art is characterized in that the comparison procedure of this comparison computing module is to deduct this narrow blood vessel outline data from this normal blood vessels outline data.
5, selecting system before location according to claim 1 and 2 and the art is characterized in that the data of this required intravascular stent comprise: angiostenosis position, stenosis, speckle and blockage information.
6, selecting system before location according to claim 1 and 2 and the art is characterized in that, the intravascular stent data of acquisition can be adjusted by the end positions that moves this section narrow blood vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100115468A CN1305448C (en) | 2005-04-08 | 2005-04-08 | Method and system for positioning blood vessel support and selecting support before operation |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100115468A CN1305448C (en) | 2005-04-08 | 2005-04-08 | Method and system for positioning blood vessel support and selecting support before operation |
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| CN1695568A CN1695568A (en) | 2005-11-16 |
| CN1305448C true CN1305448C (en) | 2007-03-21 |
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| CNB2005100115468A Expired - Fee Related CN1305448C (en) | 2005-04-08 | 2005-04-08 | Method and system for positioning blood vessel support and selecting support before operation |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2892810C (en) | 2012-12-12 | 2020-07-07 | Lightlab Imaging, Inc. | Method and apparatus for automated determination of a lumen contour of a blood vessel |
| CN108334732B (en) * | 2017-08-31 | 2022-06-07 | 上海联影医疗科技股份有限公司 | Blood vessel positioning method and device in medical image |
| CN108030550B (en) * | 2017-12-26 | 2020-05-01 | 成都真实维度科技有限公司 | Virtual imaging-based aneurysm neck angle calculation method for aneurysm |
| CN108245249A (en) * | 2017-12-26 | 2018-07-06 | 成都真实维度科技有限公司 | A kind of sacculus selection method of the intravascular stent based on virtual image technology |
| CN108245141A (en) * | 2017-12-26 | 2018-07-06 | 成都真实维度科技有限公司 | A kind of carotid artery stenosis patch localization method based on virtual image |
| CN114340496A (en) * | 2019-10-29 | 2022-04-12 | 未艾医疗技术(深圳)有限公司 | Analysis method and related device of heart coronary artery based on VRDS AI medical image |
| CN117179894B (en) * | 2023-11-07 | 2024-03-15 | 北京唯迈医疗设备有限公司 | Device, system and storage medium for assisting in selecting and positioning interventional operation support |
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|---|---|---|---|---|
| CN1204244A (en) * | 1995-10-13 | 1999-01-06 | 血管转换公司 | Device. system and method for interstitial transvascular |
| US20020082850A1 (en) * | 2000-12-22 | 2002-06-27 | Panelli Edward J. | Workstation configuration and selection method and apparatus |
| US6506203B1 (en) * | 2000-12-19 | 2003-01-14 | Advanced Cardiovascular Systems, Inc. | Low profile sheathless embolic protection system |
| US6579314B1 (en) * | 1995-03-10 | 2003-06-17 | C.R. Bard, Inc. | Covered stent with encapsulated ends |
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2005
- 2005-04-08 CN CNB2005100115468A patent/CN1305448C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6579314B1 (en) * | 1995-03-10 | 2003-06-17 | C.R. Bard, Inc. | Covered stent with encapsulated ends |
| CN1204244A (en) * | 1995-10-13 | 1999-01-06 | 血管转换公司 | Device. system and method for interstitial transvascular |
| US6506203B1 (en) * | 2000-12-19 | 2003-01-14 | Advanced Cardiovascular Systems, Inc. | Low profile sheathless embolic protection system |
| US20020082850A1 (en) * | 2000-12-22 | 2002-06-27 | Panelli Edward J. | Workstation configuration and selection method and apparatus |
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