CN204839553U - Multiray source orthopedics scanner - Google Patents
Multiray source orthopedics scanner Download PDFInfo
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- CN204839553U CN204839553U CN201520507022.7U CN201520507022U CN204839553U CN 204839553 U CN204839553 U CN 204839553U CN 201520507022 U CN201520507022 U CN 201520507022U CN 204839553 U CN204839553 U CN 204839553U
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- flat panel
- panel detector
- bed
- source
- scanner
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- 230000000399 orthopedic effect Effects 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 claims description 14
- 238000002601 radiography Methods 0.000 claims description 3
- 230000005251 gamma ray Effects 0.000 abstract 5
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000003745 diagnosis Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000002591 computed tomography Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model provides a multiray source orthopedics scanner, including the gamma ray source, flat panel detector, test bed and collecting computer, gamma ray source transmission X ray wherein, flat panel detector receives the X ray and into the signal of telecommunication of converting, flat panel detector is connected with collecting computer, test bed bearing patient, set up the fixed bolster around test bed, set up a plurality of gamma ray sources on the fixed bolster inboard, each gamma ray source follow respectively the fixed bolster radially towards test bed, at the inboard contact sliding ring that has flat panel detector that sets up of fixed bolster, set up forward motion detecting device directly over the fixed bolster, set up side direction motion detecting device at the horizontal direction of fixed bolster. Gather the image that obtains during gamma ray source and flat panel detector are rotatory and be two -dimensional projection, carry out the three -dimensional reconstruction by collecting computer again and can supply the doctor to diagnose the three -dimensional image of use. The utilization ratio of X ray is higher, and the picking rate of data is faster, and application forward and sideway motion detecting device can monitor patient's motion constantly.
Description
Technical field
The present invention relates to the technical field of clinical treatment apparatus, is a kind of multiray source orthopaedics scanner of moveable, low radiological dose specifically.
Background technology
Computer tomography and CT are a kind of important Dynamic Non-Destruction Measurements, and the X-ray projection data under multiple projection view angles can be utilized to obtain two dimension or the 3-D view of the inside and outside architectural feature of object.It is with advantages such as harmless, high accuracy, three-dimensional visibles, and be widely used in clinical medicine diagnostic imaging, image is that the diagnosis of patient disease provides important foundation.But present many hospitals CT examination needs reservation, can not meet the demand of serious symptom, critical patient, be unfavorable for the timely treatment of emergency case sufferer; Along with China progresses into aging society, the resource of hospital will than now more in short supply.
It is this static intrinsic hypothesis that the mathematical model of computer tomography depends on scanned object.In CT scan process, when requiring data acquisition, patient is absolutely stationary, but in fact can there is the motion of autonomous or non-autonomous thus destroy concordance and the integrity of data for projection in patient in a scan, once move in data acquisition, will cause serious artifact appears in final CT image, even affect diagnosis.This problem more easily occurs in the Cone-Beam CT that data acquisition time is longer.Usually because operator and scan patients be not at same room, be difficult to the motion in Timeliness coverage scanning process, often judge whether patient moves according to the artifact of rebuilding image, once in motion artifact causes image to be difficult to diagnosis, just can rescan patient, the X-ray radiation dosage causing patient to be subject to increases by this.
In addition, traditional CT data for projection is one dimensional image, and the view data after rebuilding is two dimensional image, the 3-D view of finally recombinating is piled up by continuous multiple two dimension slicing to form, the metal artifacts of its image is comparatively serious, and traditional CT adopts fan-ray beam to scan, the radiological dose of ray is higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multiray source orthopaedics scanner of moveable, low radiological dose.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
Multiray source of the present invention orthopaedics scanner, comprise radiographic source, flat panel detector, detect bed and collecting computer, wherein radiographic source launches X-ray, flat panel detector receives X-ray and converts it to the signal of telecommunication, flat panel detector is connected with collecting computer, detect bed support patient, around detection bed, fixed support is set, multiple radiographic source is set on inside fixed support, each radiographic source is respectively along support bracket fastened radial direction towards detection bed, contact slip ring is set inside fixed support, flat panel detector is arranged on and contacts on slip ring and synchronously rotate around detection bed with contact slip ring, positive movement checkout gear is set directly over support bracket fastened, lateral movement checkout gear is set in support bracket fastened horizontal direction simultaneously.
The present invention can also adopt following technical measures:
Described radiographic source is pulsed, rotary-anode X-ray source.
Between described radiographic source and detection bed, Bowtie is set and filters line device.
Positive movement checkout gear is the first motion cameras, and the first motion cameras and fixed support are fixed also straight down towards detecting bed; Lateral movement checkout gear is the second motion cameras, and the second motion cameras and fixed support are fixed and in the horizontal direction towards detecting bed, the first motion radiography unit overlaps in the centre position detecting bed with the shooting area of the second motion cameras.
The advantage that the present invention has and good effect are:
In the orthopaedics scanner of multiray source of the present invention, multiple pulsed radiographic source and dynamic flat panel detector are set, under the drive of the contact slip ring in fixed support, flat panel detector can rotate around detection bed, when different radiographic sources works, namely flat-panel detector turns to radiogenic relative position with this, gather obtain image be two-dimensional projection, then carry out three-dimensional reconstruction by collecting computer can for the 3-D view of diagnosis.The X-ray of launching due to radiographic source is pulsed cone beam, thus the utilization rate of X-ray is higher, each radiographic source position is relatively detected bed and is fixed, error during single radiographic source rotation work can be reduced, taken turns to operate by multiple radiographic source, and detector rotates according to radiogenic operating position, the whole initial datas rebuild needed for image can be obtained, accelerate the picking rate of data, the quantity of X-rays X that each radiographic source is launched is lower.And the first and second motion cameras arranged on fixed support can detect patient image on bed by Real-time Collection, the radiation work of scanner can be stopped when patient moves in time, thus avoid patient to be subject to unnecessary x radiation x.
Accompanying drawing explanation
Fig. 1 is the structural representation of multiray source of the present invention orthopaedics scanner;
Fig. 2 is that multiray source orthopaedics scanner of the present invention ray emission operationally moves towards figure.
Detailed description of the invention
As depicted in figs. 1 and 2, multiray source of the present invention orthopaedics scanner, comprise radiographic source 1, flat panel detector 2, detect bed 5 and collecting computer, wherein radiographic source launches X-ray, flat panel detector receives X-ray and converts it to the signal of telecommunication, flat panel detector is connected with collecting computer, detect bed support patient 7, around detection bed, fixed support 3 is set, multiple radiographic source is set on inside fixed support, each radiographic source is respectively along support bracket fastened radial direction towards detection bed, radiographic source works successively according to setting, radiogenic desired location and quantity are selected so that two-dimensional image data is rebuild the 3-D view that can obtain the best, contact slip ring 4 is set inside fixed support, flat panel detector is arranged on and contacts on slip ring and synchronously rotate around detection bed with contact slip ring, positive movement checkout gear 8 is set directly over support bracket fastened, lateral movement checkout gear 9 is set in support bracket fastened horizontal direction simultaneously.
Radiographic source is pulsed, rotary-anode X-ray source, launches cone beam, thus makes the quantity of X-rays X that radiographic source keeps lower, reduces the radiation exposure of patient.
Between radiographic source and detection bed, Bowtie is set and filters line device 6, under the prerequisite not affecting image spatial resolution, improve the uniformity of image, improve the artifact of image border.
Positive movement checkout gear is the first motion cameras, and the first motion cameras and fixed support are fixed also straight down towards detecting bed; Lateral movement checkout gear is the second motion cameras, second motion cameras and fixed support are fixed and in the horizontal direction towards detecting bed, first motion radiography unit overlaps in the centre position detecting bed with the shooting area of the second motion cameras, namely corresponds to the usual position of patient when detecting on bed.Obtain by the first and second motion cameras the patient detected on beds whether to move in the horizontal direction with on vertical direction, when patient moves in time by signal feedback to scanner, thus stop radiogenic work.
In the orthopaedics scanner of multiray source of the present invention, multiple pulsed radiographic source and dynamic flat panel detector are set, under the drive of the contact slip ring in fixed support, flat panel detector can rotate around detection bed, when different radiographic sources works, namely flat-panel detector turns to radiogenic relative position with this, gather obtain image be two-dimensional projection, then carry out three-dimensional reconstruction by collecting computer can for the 3-D view of diagnosis.The X-ray of launching due to radiographic source is pulsed cone beam, thus the utilization rate of X-ray is higher, each radiographic source position is relatively detected bed and is fixed, error during single radiographic source rotation work can be reduced, taken turns to operate by multiple radiographic source, and detector rotates according to radiogenic operating position, the whole initial datas rebuild needed for image can be obtained, accelerate the picking rate of data, the quantity of X-rays X that each radiographic source is launched is lower.And the first and second motion cameras arranged on fixed support can detect patient image on bed by Real-time Collection, the radiation work of scanner can be stopped when patient moves in time, thus avoid patient to be subject to unnecessary x radiation x.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention with preferred embodiment openly as above, but, and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly the technology contents of announcement can be utilized to make a little change or modification, become the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. a multiray source orthopaedics scanner, comprise radiographic source, flat panel detector, detect bed and collecting computer, wherein radiographic source launches X-ray, flat panel detector receives X-ray and converts it to the signal of telecommunication, flat panel detector is connected with collecting computer, detect bed support patient, it is characterized in that: around detection bed, fixed support is set, multiple radiographic source is set on inside fixed support, each radiographic source is respectively along support bracket fastened radial direction towards detection bed, contact slip ring is set inside fixed support, flat panel detector is arranged on and contacts on slip ring and synchronously rotate around detection bed with contact slip ring, positive movement checkout gear is set directly over support bracket fastened, lateral movement checkout gear is set in support bracket fastened horizontal direction simultaneously.
2. multiray source according to claim 1 orthopaedics scanner, is characterized in that: radiographic source is pulsed, rotary-anode X-ray source.
3. multiray source according to claim 1 and 2 orthopaedics scanner, is characterized in that: arrange Bowtie between radiographic source and detection bed and filter line device.
4. multiray source according to claim 3 orthopaedics scanner, is characterized in that: positive movement checkout gear is the first motion cameras, and the first motion cameras and fixed support are fixed also straight down towards detecting bed; Lateral movement checkout gear is the second motion cameras, and the second motion cameras and fixed support are fixed and in the horizontal direction towards detecting bed, the first motion radiography unit overlaps in the centre position detecting bed with the shooting area of the second motion cameras.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507022.7U CN204839553U (en) | 2015-07-14 | 2015-07-14 | Multiray source orthopedics scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507022.7U CN204839553U (en) | 2015-07-14 | 2015-07-14 | Multiray source orthopedics scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204839553U true CN204839553U (en) | 2015-12-09 |
Family
ID=54730158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507022.7U Expired - Fee Related CN204839553U (en) | 2015-07-14 | 2015-07-14 | Multiray source orthopedics scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204839553U (en) |
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2015
- 2015-07-14 CN CN201520507022.7U patent/CN204839553U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170619 Address after: 300384 Tianjin Saida Xiqing economic and Technological Development Zone International Industrial City B3-7 plant Patentee after: TIANJIN JINXI MEDICAL EQUIPMENT Co.,Ltd. Address before: 300384, No. 225, building 2, building 276, TEDA SME Park, Huang Hai Road, Tanggu, Tianjin Patentee before: TIANJIN FUSITE TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |