CN202982022U - Combined-type X-ray medical image system - Google Patents
Combined-type X-ray medical image system Download PDFInfo
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- CN202982022U CN202982022U CN 201220730119 CN201220730119U CN202982022U CN 202982022 U CN202982022 U CN 202982022U CN 201220730119 CN201220730119 CN 201220730119 CN 201220730119 U CN201220730119 U CN 201220730119U CN 202982022 U CN202982022 U CN 202982022U
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Abstract
A combined-type X-ray medical image system belongs to the medical X-ray image field. The combined-type X-ray medical image system comprises a column (1), a flat panel detector (4), a line scanning detector (5), a combined-type collimator (7), an X-ray tube (8) and the like. A beam (2) is arranged on the column (1) and can be adjusted to move vertically. X-rays emitted by the X-ray tube penetrate through a patient though a square hole type collimator and then detected by the flat panel detector; the X-rays emitted by the X-ray tube penetrate though the patient though a slit type collimator and then detected by the line scanning detector; and by adjusting the motion of the beam on the column, the X-ray machine can scan the patient vertically. The combined-type X-ray medical image system comprises the flat panel detector and the line scanning detector; utilizes the high-resolution two-dimensional detectors to complementally examine the suspicious area found on a screen in detail; and can perform an independent X-ray examination with the aid of X-rays. The combined-type X-ray medical image system is low in radiation quantity and capable of reducing equipment cost and low in space occupation.
Description
Technical field
A kind of combined X-ray medical imaging system relates in particular to a kind of multi-functional X-ray image system that checks for diagnosis and prevention, belongs to medical X-ray image field.
Background technology
Detector is the core component of digitized x-ray image system, only has in the world a few countries such as the U.S., France, Japan, Canada, Russia to have its production technology.
The device in medical X-ray image field is many should possess following characteristics:
The structure of digital medical image system has two kinds of major ways-traditional flat panel detector (two dimension); (linearity) line sweep detector with one dimension.Every kind of mode all has the pluses and minuses of oneself;
The medical X-ray image documentation equipment generally uses flat panel detector at present, flat panel detector adopts the monolithic amorphous silicon panel with flasher, the X-ray signal that absorbs is transformed into visible light signal, read visible light and be converted to the signal of telecommunication by the low noise photodiode array again, then by the low noise reading circuit, the digitized signal of each circuit is sent to image processor, by computer, it is integrated into the x-ray image.
Can be found out by above principle, the image quality of X ray image system mainly determines by flat panel detector, and the performance indications of detector can have a huge impact picture quality.Flat panel detector is by the development course of decades, and is quite ripe, so it has good image quality.But undeniablely be, flat panel detector also exists very large technical bottleneck, and the problem that namely its radiation dose is higher is difficult to solve.Radiation dose is too high has brought very large health hazard to the person under inspection, and X-ray shooting causes lesion tissue and induced tumor, leukemic report is also of common occurrence, and day by day has been subject to social attention." exploitation of low dosage digitized X-ray machine technology and product " also listed national science and technology Long-and Medium-term Development planning (novel therapeutic and conventional diagnostic equipment, digital medical technology) in.
One dimension line sweep detector has its advantageous technical advantage, be that it is by the line sweep mechanism that stops diffuse scattering in patient body, can be in the situation that minimum radiation dose and minimum geometric distortion obtain the image of any size, its radiation dose is about 1/10th of the flat panel detector that generally uses in the market.
But then, the profile scanner conformational space resolution of this low dosage is limited, and time of exposure is long, can not use under browse state;
Two-dimentional system can have high-resolution, and time of exposure is short, can browse.But picture size is limited, and dosage improves greatly, and in fact geometric distortion increase;
In order to solve the technical bottleneck of above-mentioned two kinds of detectors, the scanning means of vertical and level can be installed, perhaps multiplex rotary table.Multiplex workbench processed complex, processing is expensive.The device that has standing structure for most of X-ray examinations is enough;
On function and usage, device namely can be used at first considering picture quality (spatial resolution of determining substantially), and dosage is without the diagnostic detection of practical significance; Also can be used for preventing examination, at first will consider lowest dose level this moment, and resolution enough gets final product this examination.
Therefore, we have analyzed above-mentioned all characteristics and problem, have built first the fabricated structure of the ordinary numbers gasifying device of a kind of low radiation dose line sweep and use high resolution flat detector in the world.
Summary of the invention
The purpose of this utility model is to provide a kind of multiplex low dosage X-ray machine that has simultaneously flat panel detector and line detector, relates in particular to a kind of multi-functional X-ray system for diagnosis and prevention inspection.
A kind of combined X-ray medical imaging system, this image system include cylinder (1), crossbeam (2), flat panel detector (4), line sweep formula detector (5), combination type collimator (7), X-ray tube (8), patient standing place (9), base (10);
Cylinder (1) is arranged on base (10);
Crossbeam (2) is positioned on cylinder (1), can move up and down in the cylinder adjusted; X-ray tube (8), combination type collimator (7), flat panel detector (4) and line sweep formula detector (5) all are arranged on crossbeam (2);
X-ray tube (8) emission X ray; Described combination type collimator comprises square hole type collimator and slit collimator, the X ray of X-ray tube emission passes the patient by the square hole type collimator, surveyed by flat panel detector, the X ray of X-ray tube emission passes the patient by the slit collimator, then is surveyed by line sweep formula detector again; Described patient standing place is positioned on base;
By adjusting the movement of crossbeam on cylinder, described X-ray machine can scan up and down to the patient.
Use vertical mobile crossbeam in this utility model mechanism, be fixed with x-ray generator on crossbeam, collimator and one-dimensional linear detector.This Scan Architecture can obtain the vertical image of any size.Therefore image-distortion-free in vertical situation can measure the vertical dimension of organ and skeleton details more accurately.Picture quality is the same in whole scanning area, does not depend on the size of image.
This utility model flat panel detector can use take CMOS and be of a size of 210*230mm as the basis, and resolution is the Flat digital detector of 70 microns.After the doctor can use this X-ray " magnifier " to the graphical analysis on screen, the Suspected Area that computer mouse is pointed out was carefully checked.Simultaneously, this relatively large flat panel detector can be used for patient's diagnostic detection voluntarily.
Described line sweep detector is an a kind of dimension detector, is used for the X-radiation that record passes human body.Can select the model MIC-768-3 line sweep detector of looking with Fang Wei
The x-ray generator of this utility model, slit collimator and line detector---be fixed on crossbeam, this crossbeam vertically at the uniform velocity moves along patient body in the image scanning process.The data of every several milliseconds of detector collections are recorded on computer, scanning complete and fast processing after, the image after reconstruction appears on screen.The flat board of horizontal direction (detector) scan-type detector moving along the line, vertical direction moves with the movement of crossbeam.Generated the ray that is used for dull and stereotyped radiation by the collimator of device itself, together with flat board along the collimator synchronizing moving of sweep mechanism.Our instrument of processing has functional possibility widely like this, can carry out the low dosage examination, can carry out again the diagnostic work of high-resolution (7mm line in) and x-ray fluoroscopy.Use unique this device can carry out somatometry, analyze (can check in detail focus) vertebrate skoliosis; Skeletal structure is studied, and purpose is to find out wound and osteoporosis sign.Undoubtedly, this device will have the very large market demand, because it combines line sweep and traditional digital advantage of system.
This utility model is the combination of flat panel detector and line sweep detector.be different from normally used exemplary two dimensional (flat board) detector, or the vertical type digital medical X-ray machine of one dimension (linearity) detector, this device combines the advantage of line sweep and conventional apparatus, from having enlarged in essence the scope of application of this device, because as line scanning device, the ultra low-volume prevention of using this device can carry out fine resolution and large-size images checks, and use high-resolution two-dimensional detector (as the x-ray amplifier) to carry out detailed additional checking to the Suspected Area of finding on screen, perhaps carry out independently X-ray examination by x-ray fluoroscopy.In addition, this utility model radiation dose is low.Other advantages of this structure have: a) reduction equipment cost; B) reduce space, shared place.
Description of drawings
Fig. 1 is this utility model structure chart.Wherein, 1-cylinder, 2-crossbeam, 3-ray, 4-flat panel detector, 5-line sweep formula detector, 6-line sweep formula detector ray, 7-combination type collimator, 8-X light pipe, 9-patient standing place, 10-base.
The specific embodiment
Further illustrate this utility model below in conjunction with accompanying drawing.
Fig. 1 is this utility model structure chart.Show as Fig. 1, a kind of combined X-ray medical imaging system, this image system include cylinder (1), crossbeam (2), flat panel detector (4), line sweep formula detector (5), combination type collimator (7), X-ray tube (8), patient standing place (9), base (10);
Cylinder (1) is arranged on base (10);
Crossbeam (2) is positioned on cylinder (1), can move up and down in the cylinder adjusted; X-ray tube (8), combination type collimator (7), flat panel detector (4) and line sweep formula detector (5) all are arranged on crossbeam (2);
X-ray tube (8) emission X ray; Described combination type collimator comprises square hole type collimator and slit collimator, the X ray of X-ray tube emission passes the patient by the square hole type collimator, surveyed by flat panel detector, the X ray of X-ray tube emission passes the patient by the slit collimator, then is surveyed by line sweep formula detector again; Described patient standing place is positioned on base;
By adjusting the movement of crossbeam on cylinder, X-ray machine can scan up and down to the patient.
Described flat panel detector (4) is of a size of 210*230mm for CMOS is the basis, and resolution is the Flat digital detector of 70 microns.
Described line sweep detector is selected the model MIC-768-3 line sweep detector of looking with Fang Wei.
Some parameters of the general X-ray machine of this low dosage are:
1. parameter when obtaining scanogram
2. the parameter when generating diagnostic image
When obtaining image, dosage is about 25% of common flat panel detector
be different from normally used exemplary two dimensional (flat board) detector, or the vertical type digital medical X-ray machine of one dimension (linearity) detector, this device combines the advantage of line sweep and conventional apparatus, from having enlarged in essence the scope of application of this device, because as line scanning device, the ultra low-volume prevention of using this device can carry out fine resolution and large-size images checks, and use high-resolution two-dimensional detector (as the x-ray amplifier) to carry out detailed additional checking to the Suspected Area of finding on screen, perhaps carry out independently X-ray examination by x-ray fluoroscopy.This utility model radiation dose is low, can also the reduction equipment cost, reduce space, shared place.
Claims (3)
1. combined X-ray medical imaging system, it is characterized in that, this image system includes cylinder (1), crossbeam (2), flat panel detector (4), line sweep formula detector (5), combination type collimator (7), X-ray tube (8), patient standing place (9), base (10);
Cylinder (1) is arranged on base (10);
Crossbeam (2) is positioned on cylinder (1), can move up and down in the cylinder adjusted; X-ray tube (8), combination type collimator (7), flat panel detector (4) and line sweep formula detector (5) all are arranged on crossbeam (2);
X-ray tube (8) emission X ray; Described combination type collimator comprises square hole type collimator and slit collimator, the X ray of X-ray tube emission passes the patient by the square hole type collimator, surveyed by flat panel detector, the X ray of X-ray tube emission passes the patient by the slit collimator, then is surveyed by line sweep formula detector again; Described patient standing place is positioned on base;
By adjusting the movement of crossbeam on cylinder, X-ray machine can scan up and down to the patient.
2. a kind of combined X-ray medical imaging system according to claim 1, is characterized in that, described flat panel detector (4) is of a size of 210*230mm for CMOS is the basis, and resolution is the Flat digital detector of 70 microns.
3. a kind of combined X-ray medical imaging system according to claim 1, is characterized in that, described line sweep formula detector (5) is for to look model MIC-768-3 line sweep detector with Fang Wei.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220730119 CN202982022U (en) | 2012-12-27 | 2012-12-27 | Combined-type X-ray medical image system |
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| CN 201220730119 CN202982022U (en) | 2012-12-27 | 2012-12-27 | Combined-type X-ray medical image system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413558A (en) * | 2014-01-27 | 2017-02-15 | Epica国际有限公司 | Radiological imaging device with advanced sensors |
| DE102016107638A1 (en) * | 2016-04-25 | 2017-10-26 | Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) | X-RAY LINE DETECTOR, USE OF AN X-RAY DETECTOR, DUAL X-RAY DECTOR, X-RAY LINE DETECTOR ARRANGEMENT |
| CN107296691A (en) * | 2016-12-30 | 2017-10-27 | 南阳师范学院 | A kind of disaster area X-ray Surgery Platform for being easy to build |
| CN108338804A (en) * | 2018-02-09 | 2018-07-31 | 刘传强 | A kind of clinical three-dimensional imaging inspection apparatus of dept. of radiology |
| US10413265B2 (en) | 2014-01-27 | 2019-09-17 | Epica International., Inc. | Radiological imaging device with advanced sensors |
| CN111184528A (en) * | 2020-03-12 | 2020-05-22 | 上海交通大学 | Vertical type computed tomography device based on X-ray source array |
| CN111568454A (en) * | 2014-01-27 | 2020-08-25 | Epica国际有限公司 | Radiation imaging apparatus with improved functionality |
| CN113552642A (en) * | 2020-04-26 | 2021-10-26 | 清华大学 | Vehicle-mounted safety detection system and vehicle-mounted safety detection method |
-
2012
- 2012-12-27 CN CN 201220730119 patent/CN202982022U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413558A (en) * | 2014-01-27 | 2017-02-15 | Epica国际有限公司 | Radiological imaging device with advanced sensors |
| US10413265B2 (en) | 2014-01-27 | 2019-09-17 | Epica International., Inc. | Radiological imaging device with advanced sensors |
| US10582906B2 (en) | 2014-01-27 | 2020-03-10 | Epica International, Inc. | Radiological imaging device with advanced sensors |
| CN111568454A (en) * | 2014-01-27 | 2020-08-25 | Epica国际有限公司 | Radiation imaging apparatus with improved functionality |
| CN106413558B (en) * | 2014-01-27 | 2020-10-09 | Epica国际有限公司 | Radiological imaging device with advanced sensor |
| CN111568454B (en) * | 2014-01-27 | 2024-03-19 | Epica国际有限公司 | Radiation imaging apparatus with improved functionality |
| DE102016107638A1 (en) * | 2016-04-25 | 2017-10-26 | Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) | X-RAY LINE DETECTOR, USE OF AN X-RAY DETECTOR, DUAL X-RAY DECTOR, X-RAY LINE DETECTOR ARRANGEMENT |
| CN107296691A (en) * | 2016-12-30 | 2017-10-27 | 南阳师范学院 | A kind of disaster area X-ray Surgery Platform for being easy to build |
| CN107296691B (en) * | 2016-12-30 | 2019-05-24 | 南阳师范学院 | A kind of disaster area X-ray Surgery Platform for being easy to build |
| CN108338804A (en) * | 2018-02-09 | 2018-07-31 | 刘传强 | A kind of clinical three-dimensional imaging inspection apparatus of dept. of radiology |
| CN111184528A (en) * | 2020-03-12 | 2020-05-22 | 上海交通大学 | Vertical type computed tomography device based on X-ray source array |
| CN113552642A (en) * | 2020-04-26 | 2021-10-26 | 清华大学 | Vehicle-mounted safety detection system and vehicle-mounted safety detection method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Wei Inventor after: Yang Lina Inventor after: Jin Ding Inventor before: Liu Wei Inventor before: Yang Lina Inventor before: Song Jiawen Inventor before: Jin Ding |
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| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20181227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |