CN202801644U - Computed tomography (CT) scanning device and rotary CT system - Google Patents
Computed tomography (CT) scanning device and rotary CT system Download PDFInfo
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- CN202801644U CN202801644U CN201220481295.5U CN201220481295U CN202801644U CN 202801644 U CN202801644 U CN 202801644U CN 201220481295 U CN201220481295 U CN 201220481295U CN 202801644 U CN202801644 U CN 202801644U
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Abstract
A computed tomography (CT) scanning device applied to a rotary CT system comprises a rotary component, an X ray source, an X ray detector, a high voltage generator. The high voltage generator can supply power for the X ray source. The X ray detector has two power supply modes: power can be supplied by an external component in a wireless mode; and a power supply module or a storage power supply module is arranged on the CT scanning device, the power supply module or the storage power supply module can supply power for the X ray detector. The CT scanning device widens application range and depth of the CT, the power supply and data transmission modes of the CT scanning device eliminate a slide ring module of an existing rotary CT, the problems that the reliability of contact type transmission signals is reduced in a high-speed rotation motion process due to the fact that contact resistance is instable and the like are solved, the engineering problem that the rotation speed is uneven caused by the heavy slide ring of multi-channel large current is solved, and simultaneously engineering difficulties of a special rail rotary scanning CT system are reduced.
Description
Technical field
This utility model relates to the Computed tomography field, be specifically related to a kind of Computed tomography scanning means that need not the slip ring module, have rotation CT system and the inspection method thereof of this scanning means, be applicable to the application scenario that needs the CT high speed rotating to carry out data acquisition in industrial circle, safety check field, medical field and the biomedical sector or need to be rotated to the area-of-interest of inspected object scanning according to special track.
Background technology
In industrial circle, safety check field, medical field and biomedical sector, there are a lot of application scenarios to need Computed tomography (Computed Tomography, all referred to as " CT ") carry out data acquisition or the area-of-interest (Region of Interest is designated hereinafter simply as " ROI ") of inspected object is rotated scanning according to special track around the inspected object high speed rotating.Wherein, the typical application as in medical field and biomedical sector carried out the imaging of heart Dynamic CT to tested biology.For human heart, if will realize the ultrahigh speed scanning that real dynamic imaging needs per minute at least 3000 to turn.In addition, often for reducing the roentgenization of other objects or the consideration that reduces sweep time, for specific imaging object and application scenarios, need special scan track, such as straight line-circular arc, circular arc-circular arc, the shape of a saddle etc., corresponding algorithm for reconstructing produces successively separately, the typical application: as doing the oral cavity, in the inspection of nasal cavity etc., wish that scan track can avoid the positions such as brain or eyes, the x radiation x that receives greatly to reduce normal position, as in radiotherapy is used, wish that scan track is flexibly open, make things convenient for the doctor to carry out operation technique.
At the end of the eighties, slip ring is introduced in the CT system, has solved electric power and the data transfer mode of rotary part and fixed part, can realize even continuous sweep.Slip ring is to replace cable with a slip ring and carbon brush, when carbon brush slides along slip ring, then powers and carries out transfer of data to X-ray tube through slip ring and carbon brush.Yet, the mode of this employing carbon brush and slip ring sliding-contact is come the data that collect are transmitted, because the contact resistance between carbon brush and the slip ring constantly changes in the rotating part rotation, the contact resistance of this variation can produce very large signal noise when high speed rotating, and carbon brush abrasion in rotary course and produce the circuit loose contact all can cause the unreliable of the transmission of data; In addition, the existence of slip ring module has brought difficulty also for the CT system design of high speed rotating and special track rotation sweep.
Therefore, for above-mentioned technical problem, be necessary to provide a kind of structure improved rotation CT system that has, to overcome defects.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of CT scan device that does not need the slip ring module, has the rotation CT system of this CT scan device, and the application of this CT scan device can realize the CT imaging of ultrahigh speed rotation and special scan track.
For achieving the above object, this utility model provides following technical scheme:
A kind of CT scan device for rotation CT system, it comprises frame, rotary part, control system, x-ray source, X-ray detector, high tension generator, data acquisition module, driver module, described x-ray source and X-ray detector are assemblied on the rotary part, described data acquisition module and X-ray detector the transmission of data, the power supply of described x-ray source is provided by described high tension generator, the powering mode of described X-ray detector comprises two kinds, a kind of is directly to be provided by wireless mode by external devices, another kind is supply module to be set or to place storage power module on the rotary part at the CT scan device, and the power supply of described X-ray detector is provided by supply module or storage power module.
Preferably, in above-mentioned CT scan device, described high tension generator is arranged on the rotary part, and during work, the power supply of described high tension generator is provided by supply module or storage power module or external devices provides by wireless mode.
Preferably, in above-mentioned CT scan device, described high tension generator is arranged on the outside of rotary part, and during work, the power supply of described high tension generator is provided by external connection electrical apparatus spare, and the power supply of described x-ray source is provided by wireless mode by described high tension generator.
Preferably, in above-mentioned CT scan device, described CT scan device also comprises charging module, described charging module charges by the mode of wireless or wired or battery to the storage power module after the rotary part stop motion, or by wireless mode the storage power module is charged in the rotary part motor process.
Preferably, in above-mentioned CT scan device, described storage power module is the storage power module of a convenient displacement.
Preferably, in above-mentioned CT scan device, described supply module is by external connection electrical apparatus spare wireless power.
Preferably, in above-mentioned CT scan device, described data acquisition module carries out transfer of data with X-ray detector by the mode of wireless or wired or removable storage medium after the rotary part stop motion, or in the rotary part motor process by wireless mode and X-ray detector the transmission of data.
Preferably, in above-mentioned CT scan device, the track that rotatablely moves of described rotary part comprises annulus, elliptical ring, spiral wire loop, square, straight line-circular arc, circular arc-circular arc, the shape of a saddle.
Preferably, in above-mentioned CT scan device, the rotating speed of described rotary part is that per minute turns more than or equal to 600.
Preferably, in above-mentioned CT scan device, described rotary part is driven by driver module, and its type of drive comprises belt Mechanical Driven, gear mechanism driving, direct motor-driven, Electromagnetic Drive, steam drive.
A kind of rotation CT system, it comprises that the examinating couch, image reconstruction module and the image that transmit inspected object show and processing module, described rotation CT system has above-mentioned CT scan device.
Can find out from technique scheme, this utility model has been expanded scope and the degree of depth that CT uses greatly, because its power supply and data transfer mode have been removed the slip ring module of existing rotation CT, in the time of overcoming contact signal transmission in the high speed rotary motion process owing to the unstable problems such as reliability reduction that cause signal of contact resistance, and the rotating speed of having avoided the larger slip ring of quality because of the large electric current of multichannel to cause is difficult to uniform engineering problem, advances high speed rotating CT system development; Simultaneously, reduced the engineering difficulty of special track rotation sweep CT system, realized for the variation of ROI, special scan track promoting, especially at needs its hetero-organization has been reduced in irradiation and imaging and the integrated Medical CT machine of radiotherapy in the treatment.
Description of drawings
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing relevant of the present utility model in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of CT scan device of the present utility model, wherein, Fig. 1 (a) is arranged on the structural representation of the CT scan device on the rotary part for high tension generator, and Fig. 1 (b) is arranged on the structural representation of CT scan device of the outside of rotary part for high tension generator.
Fig. 2 is the structural representation of rotation of the present utility model CT system, wherein, the structural representation of the rotation CT system that Fig. 2 (a) provides by the storage power module for the power supply of high tension generator and X-ray detector, Fig. 2 (b) is provided by wireless mode by external high tension generator for the power supply of x-ray source, the structural representation of the rotation CT system that the power supply of X-ray detector is provided by the storage power module.
The specific embodiment
The utility model discloses a kind of CT scan device that does not need the slip ring module, have the rotation CT system of this CT scan device, the application of this CT scan device can realize the CT imaging of ultrahigh speed rotation and special track rotation sweep.
Below in conjunction with the accompanying drawing among this utility model embodiment, the technical scheme among this utility model embodiment is described in detail, obviously, described embodiment only is this utility model part embodiment, rather than whole embodiment.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope that this utility model is protected.
Shown in Fig. 1 and 2, the CT scan device comprises frame, rotary part, control system, x-ray source, X-ray detector, high tension generator, data acquisition module, driver module, and described x-ray source and X-ray detector are assemblied on the rotary part.Described data acquisition module and X-ray detector the transmission of data, the power supply of described x-ray source is provided by described high tension generator.Described frame is used for supporting rotary part.The work of described control system control x-ray source, X-ray detector, high tension generator, data acquisition module, driver module.Described data acquisition module carries out transfer of data with X-ray detector by the mode of wireless or wired or removable storage medium after the rotary part stop motion.Described data acquisition module carries out transfer of data by wireless mode and X-ray detector in the rotary part motor process, the data transmission problems when solving without slip ring.
The powering mode of described X-ray detector comprises two kinds, and a kind of is directly to be provided by wireless mode by external devices, and another kind is that the supply module that is comprised by the CT scan device or the storage power module that is arranged on the rotary part provide.Described supply module is by external connection electrical apparatus spare wireless power.
As shown in Figure 1, described high tension generator can be arranged on the rotary part or be arranged on the rotary part outside.Shown in Fig. 1 (a), in a kind of embodiment of the present utility model, when described high tension generator was arranged on the rotary part, in the work, the power supply of described high tension generator is provided by supply module or storage power module or external devices provides by wireless mode.Shown in Fig. 1 (b), in the another kind of embodiment of the present utility model, when described high tension generator was arranged on rotary part outside, the power supply of high tension generator was provided by external connection electrical apparatus spare, at this moment, the power supply of described x-ray source is provided by wireless mode by described high tension generator.
The CT scan device also comprises charging module, and described charging module charges by the mode of wireless or wired or battery to the storage power module after the rotary part stop motion, or by wireless mode the storage power module is charged in the rotary part motor process.
Described storage power module is the storage power module of a convenient displacement, in the use, can select storage power module of direct replacement, and not use charging module.
The track that rotatablely moves of rotary part comprises annulus, elliptical ring, spiral wire loop, square, straight line-circular arc, circular arc-circular arc, the shape of a saddle.
The rotating speed of rotary part is that per minute turns more than or equal to 600, object to be detected is carried out the application scenarios of high-speed rotating scanning thereby can satisfy the demand, such as the imaging of heart Dynamic CT.
Rotary part is driven by driver module, and its type of drive comprises belt Mechanical Driven, gear mechanism driving, direct motor-driven, Electromagnetic Drive, steam drive.
As shown in Figure 2, the disclosed rotation of this utility model CT system, it comprises examinating couch, image reconstruction module and image demonstration and processing module and the above-mentioned CT scan device that transmits inspected object.The structural representation of the rotation CT system that Fig. 2 (a) provides by the storage power module for the power supply of high tension generator and X-ray detector, Fig. 2 (b) is provided by wireless mode by external high tension generator for the power supply of x-ray source, the structural representation of the rotation CT system that the power supply of X-ray detector is provided by the storage power module.Disclosed this rotation of this utility model CT system does not need to rely on that slip ring structure is powered and transfer of data, can carry out high speed rotating and carry out variation, the rotation of special track for ROI.
The operation principle of this rotation CT system is: examinating couch transmits inspected object, above-mentioned CT scan device scans round inspected object, by data acquisition module the transfer of data that gathers is carried out image reconstruction to image reconstruction module, show by image demonstration and processing module again.
The CT scan device of this utility model embodiment has been expanded scope and the degree of depth that CT uses greatly, because its power supply and data transfer mode have been removed the slip ring module of existing rotation CT, in the time of overcoming contact signal transmission in the high speed rotary motion process owing to the unstable problems such as reliability reduction that cause signal of contact resistance, and the rotating speed of having avoided the larger slip ring of quality because of the large electric current of multichannel to cause is difficult to uniform engineering problem, advances high speed rotating CT system development; Simultaneously, reduced the engineering difficulty of special track rotation sweep CT system, realized for the variation of ROI, special scan track promoting, especially at needs its hetero-organization has been reduced in irradiation and imaging and the integrated Medical CT machine of radiotherapy in the treatment.
To those skilled in the art, obviously this utility model is not limited to the details of above-mentioned example embodiment, and in the situation that does not deviate from spirit of the present utility model or basic feature, can realize this utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, therefore is intended to include in this utility model dropping on the implication that is equal to important document of claim and all changes in the scope.Any Reference numeral in the claim should be considered as limit related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description only is for clarity sake, those skilled in the art should make description as a whole, and the technical scheme among each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (11)
1. CT scan device that is used for rotation CT system, it comprises frame, rotary part, control system, x-ray source, X-ray detector, high tension generator, data acquisition module, driver module, described x-ray source and X-ray detector are assemblied on the rotary part, described data acquisition module and X-ray detector the transmission of data, the power supply of described x-ray source is provided by described high tension generator, it is characterized in that: the powering mode of described X-ray detector comprises two kinds, a kind of is directly to be provided by wireless mode by external devices, another kind is supply module to be set or to place storage power module on the rotary part at the CT scan device, and the power supply of described X-ray detector is provided by supply module or storage power module.
2. CT scan device according to claim 1, it is characterized in that: described high tension generator is arranged on the rotary part, and during work, the power supply of described high tension generator is provided by supply module or storage power module or external devices provides by wireless mode.
3. CT scan device according to claim 1, it is characterized in that: described high tension generator is arranged on the outside of rotary part, during work, the power supply of described high tension generator is provided by external connection electrical apparatus spare, and the power supply of described x-ray source is provided by wireless mode by described high tension generator.
4. CT scan device according to claim 1, it is characterized in that: also comprise charging module, described charging module charges by the mode of wireless or wired or battery to the storage power module after the rotary part stop motion, or by wireless mode the storage power module is charged in the rotary part motor process.
5. CT scan device according to claim 1 is characterized in that: described storage power module is the storage power module of a convenient displacement.
6. CT scan device according to claim 1, it is characterized in that: described supply module is by external connection electrical apparatus spare wireless power.
7. CT scan device according to claim 1, it is characterized in that: described data acquisition module carries out transfer of data with X-ray detector by the mode of wireless or wired or removable storage medium after the rotary part stop motion, or in the rotary part motor process by wireless mode and X-ray detector the transmission of data.
8. according to claim 1 to 7 arbitrary described CT scan devices, it is characterized in that: the track that rotatablely moves of described rotary part comprises annulus, elliptical ring, spiral wire loop, square, straight line-circular arc, circular arc-circular arc, the shape of a saddle.
9. according to claim 1 to 7 arbitrary described CT scan devices, it is characterized in that: the rotating speed of described rotary part is that per minute turns more than or equal to 600.
10. according to claim 1 to 7 arbitrary described CT scan devices, it is characterized in that: described rotary part is driven by driver module, and its type of drive comprises belt Mechanical Driven, gear mechanism driving, direct motor-driven, Electromagnetic Drive, steam drive.
11. a rotation CT system, it comprises examinating couch, image reconstruction module and image demonstration and the processing module that transmits inspected object, it is characterized in that: described rotation CT system has such as the arbitrary described CT scan device of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220481295.5U CN202801644U (en) | 2012-09-20 | 2012-09-20 | Computed tomography (CT) scanning device and rotary CT system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220481295.5U CN202801644U (en) | 2012-09-20 | 2012-09-20 | Computed tomography (CT) scanning device and rotary CT system |
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| CN202801644U true CN202801644U (en) | 2013-03-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835971A (en) * | 2012-09-20 | 2012-12-26 | 苏州瑞派宁科技有限公司 | CT (computed tomography) scanning device, rotary CT system and examination method |
| CN103610469A (en) * | 2013-11-20 | 2014-03-05 | 刘国平 | Radiology department digital radiography system and operation method thereof |
| DE102014201805A1 (en) * | 2014-01-31 | 2015-08-06 | Siemens Aktiengesellschaft | Medical imaging device |
-
2012
- 2012-09-20 CN CN201220481295.5U patent/CN202801644U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835971A (en) * | 2012-09-20 | 2012-12-26 | 苏州瑞派宁科技有限公司 | CT (computed tomography) scanning device, rotary CT system and examination method |
| WO2014043990A1 (en) * | 2012-09-20 | 2014-03-27 | 苏州瑞派宁科技有限公司 | Ct scanning device, rotating ct system and inspection method therefor |
| CN103610469A (en) * | 2013-11-20 | 2014-03-05 | 刘国平 | Radiology department digital radiography system and operation method thereof |
| DE102014201805A1 (en) * | 2014-01-31 | 2015-08-06 | Siemens Aktiengesellschaft | Medical imaging device |
| US10342506B2 (en) | 2014-01-31 | 2019-07-09 | Siemens Healthcare Gmbh | Medical imaging device including a power transmission link |
| DE102014201805B4 (en) | 2014-01-31 | 2024-05-08 | Siemens Healthineers Ag | Medical imaging device |
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Granted publication date: 20130320 |