CN101066489A - Step scanning tomographic therapeutic equipment - Google Patents
Step scanning tomographic therapeutic equipment Download PDFInfo
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- CN101066489A CN101066489A CN 200710015840 CN200710015840A CN101066489A CN 101066489 A CN101066489 A CN 101066489A CN 200710015840 CN200710015840 CN 200710015840 CN 200710015840 A CN200710015840 A CN 200710015840A CN 101066489 A CN101066489 A CN 101066489A
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- collimator
- ring
- blade
- therapeutic
- step scanning
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Abstract
The step scanning tomographic treating equipment as medical equipment for radioactive tumor treatment includes one pedestal, one ring frame, one frame driving unit, one treating bed with step shifter, one radiating device, one power source and one control device. The radiating device includes one radiating head, one radiating source, one strip primary collimator, one beam shielding block opposite to the radiating head and one adaptive collimator below the strip primary collimator. The step scanning tomographic treating equipment has simple structure, flexible motion, high ray utilizing efficiency, less damage to health tissue and high treating effect.
Description
Technical field
The present invention relates to a kind of step scanning tomographic therapeutic equipment, be used for tumour radiotherapy, belong to armarium.
Background technology
Traditional scan-type tomography therapy apparatus is a kind of helical scan type therapy apparatus, comprise base, the ring-type frame, the ring-type frame driving device, therapeutic bed, irradiation devices, power supply and control device, the ring-type frame places on the base, irradiation devices comprise radiation head, radiation source, fillet shape example of primary collimator, multilobe collimater for regulating intensity, independent diaphragm and retaining bundle piece, the ray that radiation source sends is by the example of primary collimator collimation of a fillet shape, and along with the rotation of frame forms the rotation fladellum, what be installed in the example of primary collimator below is multilobe collimater for regulating intensity, along with the rotation and the therapeutic bed of frame slowly advances continuously, therapeutic scheme according to the CT tomoscan regulation of special-purpose TPS plan, carry out the adjustment of transmitted intensity and distribution, thereby realizing spiral fault radiation therapeutic, is a kind of conformal intensity modulated treatment.
Owing to need to adopt multilobe collimater for regulating intensity, system's operation control is complicated, and most of useful ray can not be applied to patient exposure owing to be subjected to stopping of multi-diaphragm collimator blade, and therapeutic efficiency reduces greatly.
Summary of the invention
The object of the present invention is to provide a kind of step scanning tomographic therapeutic equipment, simple in structure, operation control can maximally utilise useful ray easily, reduces the radiation injury of normal structure, has better therapeutic effect and therapeutic efficiency.
Step scanning tomographic therapeutic equipment of the present invention, comprise base, ring-type frame, ring-type frame driving device, therapeutic bed, irradiation devices, power supply and control device, the ring-type frame places on the base, irradiation devices comprise radiation head, radiation source, fillet shape example of primary collimator and retaining bundle piece, its radiation head is installed so that the ring-type frame central is relative with retaining bundle piece, radiation head is restrainted with retaining and is become 180 degree angles between the piece, the below of fillet shape example of primary collimator is provided with suitable shape collimator, and the bed surface of therapeutic bed is provided with the stepping mobile device.
Among the present invention:
Suitable shape collimator is made up of a pair of narrow and high blade, and two blades are installed relatively, and each blade is provided with driving device respectively, the simple drive screw of driving device preferred structure, and drive screw is connected on the drive motors, and blade connects drive screw.Blade is placed on the guide rail bracket, and the tracking that is beneficial to blade is regulated.
The therapeutic bed bed surface is equipped with patient's fixture, is used for fixing the patient, and bed surface has the activity regulatory function, is designed to adjustable height as requested, can horizontal and vertically moves.The therapeutic bed bed surface is made the tomography step motion along ring-type frame rotation axis direction.
The ring-type frame can be done 0 °～360 ° rotations around its axle center under the driving of its driving device.
The present invention has adopted suitable shape collimator, has only a pair of narrow and high blade, simple in structure, motion flexibly, adopt the step-by-step movement motor control, the ray that is sent by radiation source collimates through the example of primary collimator of fillet shape, can form the rotation fladellum with the rotation of frame, suitable shape collimator is then thrown according to the corresponding tumor profile varying of direction according to beam and is carried out the blade openings size adjustment at any time, make the tumor profile consistent with launched field, can maximally utilise useful ray, and normal structure is shared irradiation in turn, has reduced the radiation injury of normal structure, has obtained better therapeutic effect and therapeutic efficiency, therapeutic process is identical with the CT tomoscan process of TPS plan, and the simple assessment easily of TPS plan.
Description of drawings
Fig. 1, one embodiment of the invention are combined in the structural representation under the application state.
The side view of Fig. 2, Fig. 1.
Fig. 3, suitable shape collimator structure sketch map.
Among the figure: 1, base 2, ring-type frame 3, retaining bundle piece 4, radiation head 5, radiation source 6, example of primary collimator 7, suitable shape collimator 8, tumor 9, patient 10, therapeutic bed bed surface 11, therapeutic bed are regulated support 12, drive motors 13, motor mounting plate 14, drive screw 15, blade 16, blade guide rail bracket.
The specific embodiment
The invention will be further described in conjunction with the foregoing description accompanying drawing.
As shown in Figure 1 and Figure 2, step scanning tomographic therapeutic equipment of the present invention, comprise base 1, ring-type frame 2, ring-type frame driving device, therapeutic bed, irradiation devices, power supply and control device, ring-type frame 2 places on the base 1, irradiation devices comprise radiation head 4, radiation source 5, fillet shape example of primary collimator 6 and retaining bundle piece 3, radiation head 4 is installed so that the center of ring-type frame 2 is relative with retaining bundle piece 3, the below of fillet shape example of primary collimator 6 is provided with suitable shape collimator 7, and the bed surface of therapeutic bed is provided with the stepping mobile device.
As shown in Figure 3, suitable shape collimator is made up of a pair of narrow and high blade 15, two blades are installed in the blade guide rail bracket 16 relatively, each blade is provided with driving device respectively, the simple drive screw 14 of driving device preferred structure, drive screw 14 is installed version 13 by motor and is connected on the drive motors 12, and blade 15 connects drive screw 14, blade 15 is dragged by drive screw 14, can throw the tracking adjusting of making opening size according to direction tumor profile according to beam.
Application process:
The first step, patient 9 is fixed on the therapeutic bed bed surface 10 by patient's fixture, finish patient's initial pendulum position by doctor and operator, pendulum position process is the treatment plan of formulating according to the doctor, the a plurality of tomographies that patient 9 tumor 8 are divided into needs treatment irradiation, the tumor center of first tomography is adjusted in the initial pendulum position irradiation of therapy apparatus in the heart, the ray that is sent by radiation source 5 collimates through the example of primary collimator 6 of fillet shape, forms the fladellum of rotation.
Second step, the suitable shape collimator 7 of driving according to first treatment tomography tumor 8 profiles, are finished and are carried out the beam throwing according to direction blade openings size adjustment, make tumor 8 profiles consistent with launched field.
The 3rd step, beginning rotary irradiation, on the one hand, computer control annular drive device drives ring-type frame 2 and does 0 °～360 ° rotations, suitable simultaneously shape collimator 7 is thrown according to corresponding tumor 8 profile varying of direction according to beam and is carried out the blade openings size adjustment at any time, make tumor 8 profiles consistent with launched field, finish the treatment of this aspect, stop irradiation.
The 4th step, therapeutic bed bed surface 10 are made the tomography step motion along frame rotation axis direction, treat next aspect, and therapeutic process is similar with the process of first aspect of treatment, until the treatment of finishing all tomographies.
Claims (4)
1, a kind of step scanning tomographic therapeutic equipment, comprise base, ring-type frame, ring-type frame driving device, therapeutic bed, irradiation devices, power supply and control device, the ring-type frame places on the base, irradiation devices comprise radiation head, radiation source, fillet shape example of primary collimator and retaining bundle piece, it is characterized in that radiation head and retaining bundle piece install so that the ring-type frame central is relative, the below of fillet shape example of primary collimator is provided with suitable shape collimator, and the bed surface of therapeutic bed is provided with the stepping mobile device.
2, step scanning tomographic therapeutic equipment according to claim 1 is characterized in that fitting the shape collimator and is made up of a pair of narrow and high blade, and two blades are installed relatively, and each blade is provided with driving device respectively.
3, step scanning tomographic therapeutic equipment according to claim 2 is characterized in that driving device is a drive screw, and drive screw is connected on the drive motors, and blade connects drive screw.
4, step scanning tomographic therapeutic equipment according to claim 3 is characterized in that blade places on the guide rail bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710015840 CN101066489A (en) | 2007-06-01 | 2007-06-01 | Step scanning tomographic therapeutic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710015840 CN101066489A (en) | 2007-06-01 | 2007-06-01 | Step scanning tomographic therapeutic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101066489A true CN101066489A (en) | 2007-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710015840 Pending CN101066489A (en) | 2007-06-01 | 2007-06-01 | Step scanning tomographic therapeutic equipment |
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| CN (1) | CN101066489A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714790A (en) * | 2020-06-19 | 2020-09-29 | 新里程医用加速器(无锡)有限公司 | Radiotherapy planning system and storage medium |
| CN114764069A (en) * | 2020-12-31 | 2022-07-19 | 同方威视技术股份有限公司 | Radiation inspection system |
| CN116196027A (en) * | 2023-04-28 | 2023-06-02 | 赛诺威盛科技(北京)股份有限公司 | CT scanning equipment and scanning method for reducing CT radiation in adaptive scanning area |
-
2007
- 2007-06-01 CN CN 200710015840 patent/CN101066489A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714790A (en) * | 2020-06-19 | 2020-09-29 | 新里程医用加速器(无锡)有限公司 | Radiotherapy planning system and storage medium |
| CN111714790B (en) * | 2020-06-19 | 2022-04-12 | 新里程医用加速器(无锡)有限公司 | Radiotherapy planning system and storage medium |
| CN114764069A (en) * | 2020-12-31 | 2022-07-19 | 同方威视技术股份有限公司 | Radiation inspection system |
| CN116196027A (en) * | 2023-04-28 | 2023-06-02 | 赛诺威盛科技(北京)股份有限公司 | CT scanning equipment and scanning method for reducing CT radiation in adaptive scanning area |
| CN116196027B (en) * | 2023-04-28 | 2023-12-22 | 赛诺威盛科技(北京)股份有限公司 | CT scanning equipment and scanning method for reducing CT radiation in adaptive scanning area |
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