CN100496399C - Method for reducing x-ray radiation subjecting to patient - Google Patents
Method for reducing x-ray radiation subjecting to patient Download PDFInfo
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- CN100496399C CN100496399C CNB2005800103789A CN200580010378A CN100496399C CN 100496399 C CN100496399 C CN 100496399C CN B2005800103789 A CNB2005800103789 A CN B2005800103789A CN 200580010378 A CN200580010378 A CN 200580010378A CN 100496399 C CN100496399 C CN 100496399C
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Abstract
A method of reducing radiation exposure by panning and zooming the first acquired image rather than using continuous radiation fluoroscopy.
Description
Technical field
The present invention relates generally to x-ray imaging system.More particularly, the present invention relates to the workflow of control imaging patients to reduce the method for x-ray radiation.
Background technology
Digital x-ray imaging system comprises C arm volume imagery system.In general, these systems during operation relatively the patient position.Usually, in the process that between each position, moves of imaging system by the work of XRF pattern so that the C arm correctly locate.This is an accurate approach of determining the position, but the patient has been subjected to successive low-level irradiation in position fixing process.
In current setting up procedure, user (as the technical staff) obtains first image, then patient position is moved between fixation phase by the determined second position of XRF.Obtain another width of cloth image in the second position.
Therefore, still need in the present technique field and want a kind of in clinical setting up procedure, the localized while makes the suffered amount of radiation of patient be reduced to minimum method again in x-ray imaging system.
Summary of the invention
Can replace XRF operation between the main irradiation when the patient locatees by first image that is obtained being carried out pan (panning) and image convergent-divergent
A first aspect of the present invention relates to: use the x-ray imaging system that has X-laboratory and digital imaging system to carry out reducing when the patient locatees the method for the suffered amount of radiation of patient in the x-ray imaging process, this method may further comprise the steps: obtain first image; The patient is positioned; Utilize digital imaging system that first image is carried out pan; Regulate the collimator blade; When closing, collimator utilize digital imaging system that first image is amplified; When opening, collimator utilize digital imaging system that first image is dwindled; Utilize X-laboratory automatically to set best image intensifier; Utilize X-laboratory automatically to set best detector zoom-level; Obtain second image; And with the mark bilinear interpolation second image is carried out the image convergent-divergent by digital imaging system and make radiation exposed internal anatomy be full of screen.
A second aspect of the present invention relates to: use the x-ray imaging system that has X-laboratory and digital imaging system to carry out reducing when the patient locatees the method for the suffered amount of radiation of patient in the x-ray imaging process, this method may further comprise the steps: obtain first image; The patient is positioned; Utilize digital imaging system that first image is carried out pan; The arrow that when image shakes from screen, draws indication; Demonstrate the collimator figure; Regulate the collimator blade; When closing, collimator utilize digital imaging system that first image is amplified; When opening, collimator utilize digital imaging system that first image is dwindled; Utilize X-laboratory automatically to set best image intensifier; Utilize X-laboratory automatically to set best detector zoom-level; Obtain second image; Show electronic shutter; And with the mark bilinear interpolation second image is carried out convergent-divergent by digital imaging system and make radiation exposed internal anatomy be full of screen.
Description of drawings
From the following detailed description that provides and only provide in a schematic way but and constitute the accompanying drawing that technical solution of the present invention is limited and will have more fully the present invention and understand, wherein
Fig. 1 is for carrying out the view of pan to first image that is obtained;
Fig. 2 is for carrying out the view of image convergent-divergent to second image that is obtained.
The specific embodiment
According to the present invention, the method for suffered amount of radiation when reducing the location of patient in the irradiation process.This class process may comprise various forms of angiographys.
In one embodiment of the invention, user has obtained first image.User begins mobile patient table or C arm then.The pan of first image own is arrived next irradiation position (see figure 1).Note if this image shakes from screen the arrow that so just draws indication, the i.e. direction of internal anatomy.
User is then regulated collimator blade (see figure 2).Make shown zoom be full of screen when collimator is closed, shown image is dwindled.Notice that the collimator figure still shows in this in a kind of preferred embodiment, because its possibility right and wrong of collimation device are quadrate.When collimator opens or closes, notice comprising that the actual x-ray system of detector and x-ray source or " laboratory " will determine automatically that the best image intensifier that will use or detector zoom-level are also where necessary to its change.This has just got rid of the demand of clearly setting zoom-level.
User is implemented irradiation next time.Imaging system use mark bilinear interpolation (fractional bilinear interpolation) carries out convergent-divergent to second image that is obtained makes radiation exposed internal anatomy be full of screen.Notice that electronic shutter still shows in this in preferred embodiments, because its possibility right and wrong are quadrate concerning this collimator.
Owing to the present invention has been described, obviously concerning those skilled in the art, can changes and do not depart from design of the present invention and scope according to multiple mode equally.
Claims (2)
1. use the X radiation imaging system that has X laboratory and digital imaging system to carry out reducing when the patient locatees the method for the suffered amount of radiation of patient in X radial imaging process, this method may further comprise the steps:
Obtain first image;
The patient is positioned;
Utilize digital imaging system that first image is carried out pan;
Regulate the collimator blade;
When closing, collimator utilize digital imaging system that first image is amplified;
When opening, collimator utilize digital imaging system that first image is dwindled;
Utilize X-laboratory automatically to set best image intensifier;
Utilize X-laboratory automatically to set best detector zoom-level;
Obtain second image; And
With the mark bilinear interpolation second image being carried out the image convergent-divergent by digital imaging system makes radiation exposed internal anatomy be full of screen.
2. use the x-ray imaging system that has X-laboratory and digital imaging system to carry out reducing when the patient locatees the method for the suffered amount of radiation of patient in the x-ray imaging process, this method may further comprise the steps:
Obtain first image;
The patient is positioned;
Utilize digital imaging system that first image is carried out pan;
The arrow that when image shakes from screen, draws indication;
Demonstrate the collimator figure;
Regulate the collimator blade;
When closing, collimator utilize digital imaging system that first image is amplified;
When opening, collimator utilize digital imaging system that first image is dwindled;
Utilize X-laboratory automatically to set best image intensifier;
Utilize X-laboratory automatically to set best detector zoom-level;
Obtain second image;
Show electronic shutter; And
With the mark bilinear interpolation second image being carried out convergent-divergent by digital imaging system makes radiation exposed internal anatomy be full of screen.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55749404P | 2004-03-30 | 2004-03-30 | |
| US60/557,494 | 2004-03-30 | ||
| US11/091,993 | 2005-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1937959A CN1937959A (en) | 2007-03-28 |
| CN100496399C true CN100496399C (en) | 2009-06-10 |
Family
ID=37029079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800103789A Expired - Fee Related CN100496399C (en) | 2004-03-30 | 2005-03-30 | Method for reducing x-ray radiation subjecting to patient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100496399C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103494612B (en) | 2013-08-28 | 2016-01-27 | 沈阳东软医疗系统有限公司 | A kind of method and apparatus carrying out pre-heating scan in CT equipment |
| CN109157235A (en) * | 2018-08-23 | 2019-01-08 | 上海联影医疗科技有限公司 | The control method of X-ray equipment and X-ray equipment |
| EP3784133B8 (en) | 2018-05-31 | 2024-07-17 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for controllinig an x-ray imaging device |
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2005
- 2005-03-30 CN CNB2005800103789A patent/CN100496399C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1937959A (en) | 2007-03-28 |
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Effective date of registration: 20170207 Address after: Erlangen, Germany Patentee after: SIEMENS HEALTHCARE GmbH Address before: American Pennsylvania Patentee before: SIEMENS Medical Solutions |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20210330 |