CN204839560U - Tomoscan appearance - Google Patents
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- CN204839560U CN204839560U CN201520507023.1U CN201520507023U CN204839560U CN 204839560 U CN204839560 U CN 204839560U CN 201520507023 U CN201520507023 U CN 201520507023U CN 204839560 U CN204839560 U CN 204839560U
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- flat panel
- panel detector
- radiographic source
- bed
- ray source
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Abstract
The utility model provides a tomoscan appearance, 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 the contact sliding ring in the fixed bolster inboard, gamma ray source and flat panel detector be fixed the setting on the contact sliding ring respectively, and gamma ray source and flat panel detector set up and synchronous the rotation with the diameter is relative, the contact sliding ring is rotatory around test bed, set up motion detecting device directly over the 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 detection device can monitor patient's motion constantly.
Description
Technical field
This utility model relates to the technical field of clinical treatment apparatus, is a kind of tomoscanner 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.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of tomoscanner of moveable, low radiological dose.
The technical scheme that this utility model is taked for the technical problem existed in solution known technology is:
Tomoscanner of the present utility model, comprise radiographic source, flat panel detector, detection 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, contact slip ring is set inside fixed support, radiographic source and flat panel detector are fixedly installed on respectively and contact on slip ring, and radiographic source and flat panel detector are oppositely arranged and synchronous axial system with diameter, contact slip ring rotates around detection bed; Directly over support bracket fastened, motion detection apparatus is set.
This utility model 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.
Motion detection apparatus is motion cameras, and motion cameras and fixed support are fixed and towards detecting bed.
The advantage that this utility model has and good effect are:
The pulse radiographic source of synchronous axial system and dynamic flat panel detector are set in tomoscanner of the present utility model, under the drive of the contact slip ring in fixed support, radiographic source and flat panel detector can rotate around detection bed, 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, and thus the utilization rate of X-ray is higher, and only need rotate a circle whole initial datas that can obtain and rebuild needed for image, accelerates the picking rate of data, and the quantity of X-rays X that radiographic source is launched is lower.And the 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 tomoscanner of the present utility model;
Fig. 2 is that tomoscanner of the present utility model ray emission operationally moves towards figure.
Detailed description of the invention
As depicted in figs. 1 and 2, tomoscanner of the present utility model, 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, contact slip ring 4 is set inside fixed support, radiographic source and flat panel detector are fixedly installed on respectively and contact on slip ring, and radiographic source and flat panel detector are oppositely arranged and synchronous axial system with diameter, contact slip ring rotates around detection bed, directly over support bracket fastened, motion detection apparatus 8 is set.
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.
Motion detection apparatus 8 is motion cameras, and motion cameras and fixed support are fixed and towards detecting bed.Whether the patient detected on bed by Flying Camera machine testing is moved.
The pulse radiographic source of synchronous axial system and dynamic flat panel detector are set in tomoscanner of the present utility model, under the drive of the contact slip ring in fixed support, radiographic source and flat panel detector can rotate around detection bed, 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, and thus the utilization rate of X-ray is higher, and only need rotate a circle whole initial datas that can obtain and rebuild needed for image, accelerates the picking rate of data, and the quantity of X-rays X that radiographic source is launched is lower.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to this utility model, although this utility model with preferred embodiment openly as above, but, and be not used to limit this utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, 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 solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (4)
1. a tomoscanner, comprise radiographic source, flat panel detector, detection 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, contact slip ring is set inside fixed support, radiographic source and flat panel detector are fixedly installed on respectively and contact on slip ring, and radiographic source and flat panel detector are oppositely arranged and synchronous axial system with diameter, contact slip ring rotates around detection bed; Directly over support bracket fastened, motion detection apparatus is set.
2. tomoscanner according to claim 1, is characterized in that: radiographic source is pulsed, rotary-anode X-ray source, launches cone beam.
3. tomoscanner according to claim 1 and 2, is characterized in that: arrange Bowtie between radiographic source and detection bed and filter line device.
4. tomoscanner according to claim 3, is characterized in that: motion detection apparatus is motion cameras, and motion cameras and fixed support are fixed and towards detecting bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507023.1U CN204839560U (en) | 2015-07-14 | 2015-07-14 | Tomoscan appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507023.1U CN204839560U (en) | 2015-07-14 | 2015-07-14 | Tomoscan appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204839560U true CN204839560U (en) | 2015-12-09 |
Family
ID=54730165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507023.1U Active CN204839560U (en) | 2015-07-14 | 2015-07-14 | Tomoscan appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204839560U (en) |
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2015
- 2015-07-14 CN CN201520507023.1U patent/CN204839560U/en active Active
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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 |
Effective date of registration: 20170630 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 Foster Science and Technology Co., Ltd. |