CN108606806A - Determine method and apparatus, the contrast agent diagnostic scan method and apparatus of scanning delay - Google Patents
Determine method and apparatus, the contrast agent diagnostic scan method and apparatus of scanning delay Download PDFInfo
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- CN108606806A CN108606806A CN201611128625.1A CN201611128625A CN108606806A CN 108606806 A CN108606806 A CN 108606806A CN 201611128625 A CN201611128625 A CN 201611128625A CN 108606806 A CN108606806 A CN 108606806A
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- Prior art keywords
- scanning
- contrast agent
- delay
- detected object
- parameters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/46—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient
- A61B6/467—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient characterised by special input means
- A61B6/469—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient characterised by special input means for selecting a region of interest [ROI]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/481—Diagnostic techniques involving the use of contrast agents
Abstract
The invention discloses a kind of method and apparatus of determining scanning delay, contrast agent diagnostic scan method and apparatus.According to the first aspect of the invention, a kind of method that determination corresponds to the scanning delay of a detected object is provided, the scanning delay be at the beginning of contrast agent injection with scanning at the beginning of between the time difference, the method includes：Store a Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters；Obtain the value of the plurality of parameters corresponding to the detected object；According to the value of the Time Delay Model and the plurality of parameters, the scanning delay corresponding to the detected object is determined.The present invention can reduce the radiation that detected object is subject to and obtain higher-quality image.
Description
Technical field
The present invention relates to contrast agent imagings.
Background technology
CT examination frequently involves the intravenous injection of contrast agent, and contrast agent can improve the characterization of tissue, lesion and blood vessel.
In the inspection of contrast agent auxiliary, the definite opportunity of scanning is vital：Scanning should have most in interested organ, blood vessel
It is carried out when good Contrast enhanced.Therefore, startup scanning should be delayed when appropriate.The time delay is also referred to as scanning delay, is to make
Shadow agent inject at the beginning of with scanning at the beginning of between the time difference.
In the prior art, a reference picture is obtained usually at a slice, and setting one is interested on this image
Area.Then in the case of not into bed, sequence scanning is carried out, injects contrast agent on one side, monitor CT ranges on one side.When interested
After the CT values in area reach a thresholding, stop monitoring, and trigger diagnostic scan immediately.
Another program is first to be tested with low dose of contrast agent, obtain the CT values of the region of interest of a certain detected object with
Then the CT time to peaks of the relationship of time delay namely the detected object carry out contrast agent injection using the time as scanning delay
And diagnostic scan.
Invention content
In view of this, the present invention proposes a kind of method and apparatus of determining scanning delay, contrast agent diagnostic scan method
And device.
According to the first aspect of the invention, a kind of method that determination corresponds to the scanning delay of a detected object, institute are provided
State scanning delay be contrast agent injection at the beginning of with scanning at the beginning of between the time difference, the method includes：Storage
One Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters；Obtain the institute corresponding to the detected object
State the value of plurality of parameters；According to the value of the Time Delay Model and the plurality of parameters, determines and correspond to the detected object
Scanning delay.
In one embodiment, the plurality of parameters includes age, gender, build, heart rate, cardiac ejection fraction, radiography
One or a plurality of in agent injection volume, contrast agent injection speed and organ of interest.
According to the second aspect of the invention, a kind of contrast agent diagnostic scan method is provided, including：A Time Delay Model is stored,
The relationship of the model tormulation scanning delay and plurality of parameters, the scanning delay be contrast agent injection at the beginning of with sweep
The time difference between at the beginning of retouching；Obtain the value of the plurality of parameters corresponding to a detected object；According to the time delay
The value of model and the plurality of parameters determines the scanning delay corresponding to the detected object；Inject contrast agent；It is made in injection
The scanning delay is delayed after shadow agent, scans the detected object.
In one embodiment, the plurality of parameters includes age, gender, build, heart rate, cardiac ejection fraction, radiography
One or a plurality of in agent injection volume, contrast agent injection speed and organ of interest.
According to the third aspect of the invention we, the device that a kind of determination corresponds to the scanning delay of a detected object is provided
(201), the scanning delay be contrast agent injection at the beginning of with scanning at the beginning of between the time difference, described device
(201) include：One storage unit stores a Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters；
One parameter value acquiring unit obtains the value of the plurality of parameters corresponding to the detected object；One scanning delay determines
Unit determines the scanning delay corresponding to the detected object according to the value of the Time Delay Model and the plurality of parameters.
In one embodiment, the plurality of parameters includes age, gender, build, heart rate, cardiac ejection fraction, radiography
One or a plurality of in agent injection volume, contrast agent injection speed and organ of interest.
According to the fourth aspect of the invention, a kind of diagnostic scan device is provided, including：One storage unit, storage is for the moment
Prolong model, the relationship of the model tormulation scanning delay and plurality of parameters, the scanning delay is the beginning of contrast agent injection
The time difference between at the beginning of time and scanning；One parameter value acquiring unit is obtained corresponding to the described of a detected object
The value of plurality of parameters；One scanning delay determination unit is determined according to the value of the Time Delay Model and the plurality of parameters
Corresponding to the scanning delay of the detected object；One scanning element is delayed after the detected object is injected contrast agent
The scanning delay scans the detected object.
In one embodiment, the plurality of parameters includes age, gender, build, heart rate, cardiac ejection fraction, radiography
One or a plurality of in agent injection volume, contrast agent injection speed and organ of interest.
In one embodiment, the diagnostic scan device further includes an injecting unit, is made to detected object injection
Shadow agent.
The method and apparatus of determination scanning delay of the present invention, contrast agent diagnostic scan method and apparatus without monitoring property or
Experimental scanning, therefore the radiation that detected object is subject to can be reduced.When compared to the fixation being arranged based on radiation doctors experience
Prolong, the present invention considers the Multiple factors for influencing time delay, and model is obtained via big data training, therefore time delay is more smart
Really, so as to obtaining higher-quality image.
Description of the drawings
Below will detailed description of the present invention preferred embodiment by referring to accompanying drawing, make those skilled in the art more
The above and other feature and advantage of the clear present invention, in attached drawing：
Fig. 1 be according to the determination of the first embodiment of the present invention correspond to a detected object scanning delay method and make
The flow diagram of shadow agent diagnostic scan method.
Fig. 2 be according to the determination of the second embodiment of the present invention correspond to a detected object scanning delay device and examine
The structure diagram of disconnected scanning means.
In above-mentioned attached drawing, used reference numeral is as follows：
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, by the following examples to of the invention further detailed
It describes in detail bright.
Fig. 1 is the method 101 for the scanning delay for corresponding to a detected object according to the determination of the first embodiment of the present invention
With the flow diagram of contrast agent diagnostic scan method 100.Scanning delay is opened with scanning at the beginning of contrast agent injection
The time difference between time beginning.Determine that the method 101 corresponding to the scanning delay of the detected object includes step S102, step S104
With step S106.Contrast agent diagnostic scan method 100 includes step S102, step S104, step S106, step S108 and step
S110。
In step s 102, a Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters are stored.The mould
Type can be by scanning delay and the parameter influential on scanning delay of acquisition magnanimity corresponded to reference to detected object, through big
Data analysis and obtain.These parameters include age, gender, build, heart rate, cardiac ejection fraction, contrast agent injection volume, contrast agent
One or a plurality of in injection speed and organ of interest.The mould can be established using neural network method in the prior art
Type.
In step S104, the value of the plurality of parameters corresponding to the detected object is obtained.Age, gender can be believed from hospital
Breath system knows that organ of interest, contrast agent injection volume, contrast agent injection speed can be known from scan protocols, and build can be from CT
Positioning picture or camera image know that heart rate can be known from electrocardiogram, cardiac ejection fraction can be known from Cardiac ultrasound.
In step s 106, the value of the plurality of parameters according to Time Delay Model and corresponding to the detected object is determined and is corresponded to
In the scanning delay of the detected object.
In step S108, contrast agent is injected.
In step s 110, the scanning delay corresponding to the detected object is delayed after injection of contrast agent, scanning should be by
Examine object.
Fig. 2 is the device 201 for the scanning delay for corresponding to a detected object according to the determination of the second embodiment of the present invention
With the structure diagram of diagnostic scan method 200.Scanning delay be contrast agent injection at the beginning of with scanning at the beginning of it
Between the time difference.Determine that the device 201 corresponding to the scanning delay of the detected object is obtained including a storage unit 202, a parameter value
Take unit 204 and a scanning delay determination unit 206.Diagnostic scan device 200 is obtained including a storage unit 202, a parameter value
Take unit 204, a scanning delay determination unit 206 and a scanning element 210.
Storage unit 202 stores a Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters.The model
It can be by scanning delay and the parameter influential on scanning delay of acquisition magnanimity corresponded to reference to detected object, through counting greatly
It is obtained according to analysis.These parameters include age, gender, build, heart rate, cardiac ejection fraction, contrast agent injection volume, contrast agent note
One or a plurality of in firing rate degree and organ of interest.The model can be established using neural network method in the prior art.
Parameter value acquiring unit 204 obtains the value of the plurality of parameters corresponding to the detected object.Age, gender can take up a job as a doctor
Institute's information system knows that organ of interest, contrast agent injection volume, contrast agent injection speed can know that build can from scan protocols
Know that heart rate can be known from electrocardiogram from the positioning picture or camera image of CT, cardiac ejection fraction can be obtained from Cardiac ultrasound
Know.
The value of plurality of parameters of the scanning delay determination unit 206 according to Time Delay Model and corresponding to the detected object, really
Surely correspond to the scanning delay of the detected object.
Scanning element 210 delays corresponding scanning delay after the detected object is injected contrast agent, and scanning should be examined
Object.
Diagnostic scan device 200 may also include an injecting unit 208, and contrast agent is injected to the detected object.
The method and apparatus of determination scanning delay of the present invention, contrast agent diagnostic scan method and apparatus without monitoring property or
Experimental scanning, therefore the radiation that detected object is subject to can be reduced.When compared to the fixation being arranged based on radiation doctors experience
Prolong, the present invention considers the Multiple factors for influencing time delay, and model is obtained via big data training, therefore time delay is more smart
Really, so as to obtaining higher-quality image.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of determination corresponds to the method for the scanning delay of a detected object, the scanning delay is the beginning of contrast agent injection
The time difference between at the beginning of time and scanning, the method includes：
Store a Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters；
Obtain the value of the plurality of parameters corresponding to the detected object；
According to the value of the Time Delay Model and the plurality of parameters, the scanning delay corresponding to the detected object is determined.
2. the method as described in claim 1, characterized in that the plurality of parameters includes age, gender, build, heart rate, the heart
One or a plurality of in dirty ejection fraction, contrast agent injection volume, contrast agent injection speed and organ of interest.
3. a kind of contrast agent diagnostic scan method, including：
A Time Delay Model is stored, the relationship of the model tormulation scanning delay and plurality of parameters, the scanning delay is radiography
Agent inject at the beginning of with scanning at the beginning of between the time difference；
Obtain the value of the plurality of parameters corresponding to a detected object；
According to the value of the Time Delay Model and the plurality of parameters, the scanning delay corresponding to the detected object is determined；
Inject contrast agent；
The scanning delay is delayed after injection of contrast agent, scans the detected object.
4. method as claimed in claim 3, characterized in that the plurality of parameters includes age, gender, build, heart rate, the heart
One or a plurality of in dirty ejection fraction, contrast agent injection volume, contrast agent injection speed and organ of interest.
5. a kind of determination corresponds to the device (201) of the scanning delay of a detected object, the scanning delay is contrast agent injection
At the beginning of with scanning at the beginning of between the time difference, described device (201) includes：
One storage unit (202) stores a Time Delay Model, the relationship of the model tormulation scanning delay and plurality of parameters；
One parameter value acquiring unit (204) obtains the value of the plurality of parameters corresponding to the detected object；
One scanning delay determination unit (206), according to the value of the Time Delay Model and the plurality of parameters, determination corresponds to
The scanning delay of the detected object.
6. device (201) as claimed in claim 5, characterized in that the plurality of parameters includes age, gender, build, the heart
One or a plurality of in rate, cardiac ejection fraction, contrast agent injection volume, contrast agent injection speed and organ of interest.
7. a kind of diagnostic scan device (200), including：
One storage unit (202), one Time Delay Model of storage, the relationship of the model tormulation scanning delay and plurality of parameters,
The scanning delay be contrast agent injection at the beginning of with scanning at the beginning of between the time difference；
One parameter value acquiring unit (204) obtains the value of the plurality of parameters corresponding to a detected object；
One scanning delay determination unit (206), according to the value of the Time Delay Model and the plurality of parameters, determination corresponds to
The scanning delay of the detected object；
One scanning element (210), delays the scanning delay after the detected object is injected contrast agent, described in scanning
Detected object.
8. device (200) as claimed in claim 7, characterized in that the plurality of parameters includes age, gender, build, the heart
One or a plurality of in rate, cardiac ejection fraction, contrast agent injection volume, contrast agent injection speed and organ of interest.
9. device (200) as claimed in claim 7, characterized in that further include an injecting unit (208), examined to described
Target injection contrast agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128625.1A CN108606806A (en) | 2016-12-09 | 2016-12-09 | Determine method and apparatus, the contrast agent diagnostic scan method and apparatus of scanning delay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611128625.1A CN108606806A (en) | 2016-12-09 | 2016-12-09 | Determine method and apparatus, the contrast agent diagnostic scan method and apparatus of scanning delay |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111035403A (en) * | 2019-12-27 | 2020-04-21 | 上海联影医疗科技有限公司 | Scanning opportunity determination method, device, equipment and storage medium |
| CN111759334A (en) * | 2020-05-28 | 2020-10-13 | 中山大学附属第六医院 | Individual CT scanning method and control device for portal vein |
| CN114209430A (en) * | 2021-12-31 | 2022-03-22 | 上海联影医疗科技股份有限公司 | Method and system for automatically planning scanning |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5687208A (en) * | 1995-10-06 | 1997-11-11 | Bhb General Partnership | Method of and apparatus for predicting computed tomography contrast enhancement with feedback |
| DE102007045527A1 (en) * | 2007-09-24 | 2009-04-16 | Siemens Ag | Method for determining blood circulation parameter of tissue and for medical meshing of tissue, involves applying contrast agent with predetermined input function, which arrives with blood circulation into tissue |
| WO2011163578A2 (en) * | 2010-06-24 | 2011-12-29 | Medrad, Inc. | Modeling of pharmaceutical propagation and parameter generation for injection protocols |
| CN102670225A (en) * | 2011-03-17 | 2012-09-19 | 美国西门子医疗解决公司 | Automated imaging contrast agent determination system |
| CN103700083A (en) * | 2013-12-26 | 2014-04-02 | 中国人民解放军广州军区武汉总医院 | CT (Computed Tomography) perfusion image intelligent fusing method on basis of adaptive fuzzy neural network model |
| CN104306010A (en) * | 2014-09-17 | 2015-01-28 | 沈阳东软医疗系统有限公司 | Method and device for setting contrast agent parameters and CT system |
| CN104434159A (en) * | 2013-09-16 | 2015-03-25 | 上海西门子医疗器械有限公司 | Delay time measuring method, delay time measuring system and CT (computed tomography) machine |
| CN104720851A (en) * | 2013-12-23 | 2015-06-24 | Ge医疗系统环球技术有限公司 | Computer tomography scanning and imaging method and device |
| CN105283131A (en) * | 2013-06-07 | 2016-01-27 | 西门子股份公司 | Method and system for determining a measurement start time |
| JP2016032763A (en) * | 2006-12-29 | 2016-03-10 | バイエル メディカル ケア インコーポレーテッド | Patient-based parameter generation systems for medical injection procedures |
-
2016
- 2016-12-09 CN CN201611128625.1A patent/CN108606806A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5687208A (en) * | 1995-10-06 | 1997-11-11 | Bhb General Partnership | Method of and apparatus for predicting computed tomography contrast enhancement with feedback |
| JP2016032763A (en) * | 2006-12-29 | 2016-03-10 | バイエル メディカル ケア インコーポレーテッド | Patient-based parameter generation systems for medical injection procedures |
| DE102007045527A1 (en) * | 2007-09-24 | 2009-04-16 | Siemens Ag | Method for determining blood circulation parameter of tissue and for medical meshing of tissue, involves applying contrast agent with predetermined input function, which arrives with blood circulation into tissue |
| WO2011163578A2 (en) * | 2010-06-24 | 2011-12-29 | Medrad, Inc. | Modeling of pharmaceutical propagation and parameter generation for injection protocols |
| CN102670225A (en) * | 2011-03-17 | 2012-09-19 | 美国西门子医疗解决公司 | Automated imaging contrast agent determination system |
| CN105283131A (en) * | 2013-06-07 | 2016-01-27 | 西门子股份公司 | Method and system for determining a measurement start time |
| CN104434159A (en) * | 2013-09-16 | 2015-03-25 | 上海西门子医疗器械有限公司 | Delay time measuring method, delay time measuring system and CT (computed tomography) machine |
| CN104720851A (en) * | 2013-12-23 | 2015-06-24 | Ge医疗系统环球技术有限公司 | Computer tomography scanning and imaging method and device |
| CN103700083A (en) * | 2013-12-26 | 2014-04-02 | 中国人民解放军广州军区武汉总医院 | CT (Computed Tomography) perfusion image intelligent fusing method on basis of adaptive fuzzy neural network model |
| CN104306010A (en) * | 2014-09-17 | 2015-01-28 | 沈阳东软医疗系统有限公司 | Method and device for setting contrast agent parameters and CT system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111035403A (en) * | 2019-12-27 | 2020-04-21 | 上海联影医疗科技有限公司 | Scanning opportunity determination method, device, equipment and storage medium |
| CN111759334A (en) * | 2020-05-28 | 2020-10-13 | 中山大学附属第六医院 | Individual CT scanning method and control device for portal vein |
| CN114209430A (en) * | 2021-12-31 | 2022-03-22 | 上海联影医疗科技股份有限公司 | Method and system for automatically planning scanning |
| CN114209430B (en) * | 2021-12-31 | 2023-10-27 | 上海联影医疗科技股份有限公司 | Method and system for automatically planning scanning |
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Application publication date: 20181002 |