CN104001269B - A kind of medical radiation source apparatus - Google Patents
A kind of medical radiation source apparatus Download PDFInfo
- Publication number
- CN104001269B CN104001269B CN201410251899.4A CN201410251899A CN104001269B CN 104001269 B CN104001269 B CN 104001269B CN 201410251899 A CN201410251899 A CN 201410251899A CN 104001269 B CN104001269 B CN 104001269B
- Authority
- CN
- China
- Prior art keywords
- source
- radioactive source
- bank savings
- radioactive
- collimation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Radiation-Therapy Devices (AREA)
Abstract
The present invention relates to a kind of medical radiation source apparatus.This device includes radioactive source body and collimation body, and described radioactive source body is provided with radioactive source aperture, is provided with the collimator with collimating aperture in collimation body, and this device also includes the source of bank savings body being arranged in radioactive source body, and described source of bank savings body is rotatably assorted with radioactive source body composition；Being installed with radioactive source in source of bank savings body, the direction of illumination of described radioactive source ray passes the pre-collimated hole on source of bank savings body, the radioactive source aperture on radioactive source body and the collimating aperture on collimation body the public focus towards all rays；This device also includes the source of bank savings body driving mechanism driving source of bank savings body to rotate around himself axis.This device not only can safely and effectively protect patient's vitals not by the radiation injury of ray in the treatment, and can quickly adjust exit dose flexibly, change the shape irradiating target spot, to reduce patient health tissue injury.
Description
Technical field
The present invention relates to a kind of medical radiation source apparatus.
Background technology
General medical radiation therapy apparatus, is mainly made up of radioactive source body, switch body and whole collimation body, and wherein switch body is an entirety, by shifting the pre-collimated hole made on the body of middle collimating aperture stray radiation source thereon, causes switch radioactive source.All radiation paths can be opened when this structure is opened, all radiation paths can be closed during closedown, be unfavorable for adjusting flexibly the irradiation dose of focus.
Chinese patent CN101156980A discloses a kind of medical radiation therapy apparatus structure, and this apparatus structure is device radioactive source aperture and pre-collimated hole on radioactive source body, at described radioactive source aperture built with radioactive source；Described switch body be several cylinder unit in radioactive source body, on described each cylinder top equipped with device of rotation driving, equipped with middle collimating aperture on described cylinder；Described collimation body device side in described radioactive source body eventually, equipped with whole collimating aperture on the described body of collimation eventually.This patent controls each cylinder respectively by device of rotation driving and rotates, and causes middle collimating aperture deviation pre-collimated hole, reaches the purpose of switch radioactive source.
Although the more conventional technology of above-mentioned patent improves the motility that exit dose adjusts, but in the process adjusting exit dose, the direction of illumination of radioactive source does not change, therefore in whole therapeutic process, the direction of illumination of radioactive source ray targeted by public focus and target spot all the time, owing to the radioactive intensity along its direction of illumination of radioactive source ray is the highest, what be therefore in that the tissue including lesion tissue of target spot is subject to over the course for the treatment of is continual high-dose irradiation, this radiation modality is difficult to while lesion tissue obtains medical treatment to make health tissues obtain best protection.
Summary of the invention
It is an object of the invention to provide a kind of medical radiation source apparatus, this medical radiation source apparatus is not only able to adjust neatly exit dose, and makes the infringement that health tissues suffers be reduced to minimum degree in irradiation process, it is achieved that the protection to health tissues.
For achieving the above object, present invention employs techniques below scheme: a kind of medical radiation source apparatus, including radioactive source body and collimation body, described radioactive source body is provided with radioactive source aperture, collimation body is provided with the collimator with collimating aperture, this device also includes the source of bank savings body being arranged in radioactive source body, and described source of bank savings body is rotatably assorted with radioactive source body composition；Being installed with radioactive source in source of bank savings body, the direction of illumination of described radioactive source ray passes the pre-collimated hole on source of bank savings body, the radioactive source aperture on radioactive source body and the collimating aperture on collimation body the public focus towards all rays；This device also includes the source of bank savings body driving mechanism driving source of bank savings body to rotate around himself axis.
The present invention can also be able to further realization by techniques below measure:
Preferably, the rotation axis of the position deviation source of bank savings body of the radiation port of described radioactive source.
Further, described radioactive source radiation port and source of bank savings body rotation axis between spacing at least above described collimating aperture bore dia 1/2nd.
Preferably, described source of bank savings body driving mechanism includes the connecting rod being located in radioactive source body, and one end of described connecting rod and source of bank savings body are fixedly connected, and the other end of connecting rod stretches out radioactive source body and is connected with independent power source.
Further, this device also includes being connected with described connecting rod and/or source of bank savings body to drive source of bank savings body to rotate and make the resetting-mechanism of the direction of illumination deviation public focus of ray.
Further, described resetting-mechanism be arranged on connecting rod stretch out the reset wind spring in radioactive source body one end.
Preferably, described source of bank savings body is oval column, and source of bank savings body is disposed with multiple radioactive source along its rotation axis direction, and the radiation port of the radioactive source on same source of bank savings body is all different with the distance of public focus.
Preferably, this device also includes the external shielding body being coated on the external side of radioactive source, constitutes and be rotatably assorted between described radioactive source body and external shielding body, and between radioactive source body and collimation body, also composition is rotatably assorted；Described radioactive source body has common axis of rotation line and common rotating shaft line with collimation body；This device also includes the radioactive source body driving mechanism driving radioactive source body to rotate and the collimation body driving mechanism that driving collimation body rotates around common rotating shaft line around common rotating shaft line.
Further, described source of bank savings body is provided with multiple, and multiple source of bank savings body is uniformly distributed along the taper seat being axis with common rotating shaft line or barrel surface.
Compared to the prior art the present invention has the advantages that
1), the present invention radioactive source is installed on source of bank savings body, source of bank savings body driving mechanism drive source of bank savings body rotate so that the ray that radioactive source sends be in towards public focus or deviation two kinds of location status of public focus.When the ray that radioactive source sends is towards public focus, the lesion tissue being in public focus place is irradiated by this device；When the ray deviation public focus that radioactive source sends, the ray deviation human body that radioactive source sends, it is achieved thereby that the protection to health tissues.
2), the rotation axis of the position deviation source of bank savings body of the radiation port of radioactive source in the present invention; this design is when the ray deviation public focus rotated when source of bank savings body and make radioactive source send; the radiation port of radioactive source can't be directed at the collimating aperture on collimation body; although now radioactive source send ray towards collimation body collimating aperture side still there is radioactivity; but the roentgendosis entering described collimating aperture is less; thus further enhancing the controlling to exposure dose, protect health tissue.
3), in the present invention radioactive source radiation port and source of bank savings body rotation axis between spacing at least above described collimating aperture bore dia 1/2nd; this design ensures ray not direct projection collimating aperture, it is achieved that the protection to greatest extent to health tissue.
4), source of bank savings body is provided with multiple in the present invention, and multiple source of bank savings body is uniformly distributed along the taper seat being axis with common rotating shaft line or barrel surface, and each source of bank savings body is provided with independent power source simultaneously.This design makes the radioactive source on any one source of bank savings body all can obtain independent control, namely the radioactive source being on same source of bank savings body all can realize independent opening and closedown in the optional position that radioactive source body rotates, thus what not only achieve public focus and target spot is conformal, also there is certain tune powerful.
5), being provided with the resetting-mechanism of the direction of illumination deviation public focus driving source of bank savings body to rotate and to make ray in the present invention, namely this device is when off-position or off position, the ray that the radioactive source on source of bank savings body sends deviates public focus；When energising or work, under the driving in independent power source, the collimating aperture on ray direct projection collimation body that radioactive source sends, and realize the irradiation to target spot.Resetting-mechanism is actually the protection device being namely automatically switched off radioactive source after guaranteeing power-off, such that it is able to provide maximum safety assurance for patient.
6) source of bank savings body, in the present invention is oval column, and source of bank savings body is disposed with multiple radioactive source along its rotation axis direction, and the radiation port of the radioactive source on same source of bank savings body is all different with the distance of public focus.
From the above, in the present invention, the radioactive source on same source of bank savings body linearly arranges, and the radioactive source on same source of bank savings body is all unequal with the distance of public focus, namely present invention employs the non-equidistant type of focusing, this non-equidistant type of focusing can enlarge markedly and extend treatment space, so that the head treatment region of patient extends to cervical region.
7) radioactive source body and collimation body, in the present invention all can rotate, and source of bank savings body, radioactive source body, collimation body operationally rotate each other and work in coordination, and what achieve target spot preferably is conformal, is simultaneously achieved the tune powerful of irradiation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of A-A section in Fig. 1, and the radioactive source in this figure is in open mode.
Fig. 3 is the structural representation of A-A section in Fig. 1, and the radioactive source in this figure is closed.
In figure, the implication of labelling is as follows:
1 external shielding body 2 radioactive source body 3 radioactive source 4 source of bank savings body
5 pre-collimated hole 6 collimating apertures 7 collimate body 8 connecting rod
9 reset wind spring 10 power source 11 travelling gear 12 public focus
13 common rotating shaft lines
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated.
As it is shown in figure 1, external shielding body 1 is the main shield body containing radioactive source body 2 periphery, its Main Function is for the security mask to the 60Co-γ rays that radioactive source 3 sends.
Radioactive source body 2 is the hollow-core construction of tubular or taper, radioactive source body 2 is provided with the N group installing hole of circumference uniform distribution, source of bank savings body 4 is installed in installing hole, the rear and front end of radioactive source body 2 is used that bearings, the rear end of radioactive source body 2 is provided with the radioactive source body driving mechanism driving radioactive source body 2 to rotate, radioactive source body 2 can be made to rotate according to setting speed, to reach 60Co-γ rays multiple spot continuous radiation (scanning) mode.
Source of bank savings body 4 is oval column type, it is arranged with n Co 60 radioactive source along its axial linear, a pre-collimated hole 5 it is equipped with in the lower section of each radioactive source, the public focus 12 on common rotating shaft line 13 is pointed to each through the collimating aperture 6 on corresponding collimation body 7 in described pre-collimated hole 5, and the pre-collimated hole 5 on same source of bank savings body 4 is in sector distribution.The two ends of source of bank savings body 4 are with bearings, and one end of source of bank savings body 4 causes external shielding body rear end by connecting rod 8 and couples with independent power source 10.The end of the shield rear end that extends of described connecting rod 8 is provided with reset wind spring 9 and power source 10.
As shown in Figure 2,3, each radioactive source 3 is above the axis of rotation of source of bank savings body 4 namely the rotation axis of the position deviation source of bank savings body 4 of the radiation port of radioactive source 3 at the end face of installing of source of bank savings body 4.Additionally, the spacing e radiated between port and source of bank savings body 4 rotation axis of described radioactive source 3 is more than the bore dia φ of described collimating aperture 6, as shown in Figure 3.
Each source of bank savings body 4 all can make under its independent driving driving dynamic control device and power source 10≤rotation of 90 °.
Collimation body 7 is cylindrical structure, the profile of collimation body 7 is coincide with the inner chamber of radioactive source body 2, collimation body 7 is arranged in the inner chamber of radioactive source body 2, and the rear end of collimation body 7 is provided with the collimation body driving mechanism driving collimation body 7 to rotate, and can match with radioactive source body 2 and realize bit selecting and tracking rotary.The cylindrical wall of collimation body 7 is radially arranged in an orderly manner by n collimator, the collimating aperture 6 of this n collimator and pre-collimated hole 5 one_to_one corresponding on source of bank savings body 4, corresponding pre-collimated hole 5 and collimating aperture 6 are collectively forming collimating channel, and all of collimating channel converges at public focus 12 place of common rotating shaft line 13.
The rotation axis of described common rotating shaft line 13 namely radioactive source body 2 and collimation body 7.
Work process below in conjunction with 1～3 couple of present invention of Figure of description is described further:
As shown in Figure 1, 2, when this device works, the ray that the radioactive source 3 in each source of bank savings body 4 sends all through corresponding pre-collimated hole 5, radioactive source aperture, collimating aperture 6 converge to public focus 12 place, to realize irradiation to target spot.
As shown in Figure 3; when needing to close the radioactive source 3 in a certain source of bank savings body 4; power source 10 action; source of bank savings body 4 is driven and half-twist angle; thus the equal half-twist of radioactive source 3 and pre-collimated hole 5 in this source of bank savings body 4; the ray that now radioactive source 3 sends is no longer pass through collimating aperture 6 and irradiates human body, it is achieved thereby that the protection to health tissue.
Meanwhile, radioactive source body 2 and collimation body 7 all can rotate around common rotating shaft line 13 under the effect of its corresponding driving mechanism, thus realizing the conformal of target spot and adjusting strong.
Source of bank savings body 4 in the present invention is actually corner-type switch valve, and its axle head is connected with driving device and power source 10, rotates around Pivot Point Center, and the angular displacement of source of bank savings body 4 is from 0 ° of (opening)～90 ° (pass).Each source of bank savings body 4 all can realize each independent corner and drive control, owing to the driving device of source of bank savings body 4 is built on the radioactive source body 2 of rotation, again can the unique texture of independent autobiography while revolving round the sun around common rotating shaft line 13 thus defining n source of bank savings body 4, not only ensure that the fast-response of adjustment and reliability, be also realize radiophysics pursue conformal, adjust powerful key point.
Claims (6)
1. a medical radiation source apparatus, including radioactive source body (2) and collimation body (7), described radioactive source body (2) is provided with radioactive source aperture, collimation body (7) is provided with the collimator with collimating aperture (6), it is characterized in that: this device also includes the source of bank savings body (4) being arranged in radioactive source body (2), and described source of bank savings body (4) is rotatably assorted with radioactive source body (2) composition；Being installed with radioactive source (3) in source of bank savings body (4), the direction of illumination of described radioactive source (3) ray passes the pre-collimated hole (5) on source of bank savings body (4), the radioactive source aperture on radioactive source body (2) and the collimating aperture (6) on collimation body (7) the public focus (12) towards all rays；This device also includes the source of bank savings body driving mechanism driving source of bank savings body (4) to rotate around himself axis；
Described source of bank savings body driving mechanism includes the connecting rod (8) being located in radioactive source body (2), one end of described connecting rod (8) and source of bank savings body (4) are fixedly connected, and the other end of connecting rod (8) stretches out radioactive source body (2) and is connected with independent power source (10)；
This device also includes the external shielding body (1) being coated on radioactive source body (2) outside, constitute between described radioactive source body (2) and external shielding body (1) and be rotatably assorted, and between radioactive source body (2) and collimation body (7), also composition is rotatably assorted；Described radioactive source body (2) has common axis of rotation line and common rotating shaft line (13) with collimation body (7)；This device also includes the radioactive source body driving mechanism driving radioactive source body (2) to rotate and the collimation body driving mechanism that driving collimation body (7) rotates around common rotating shaft line (13) around common rotating shaft line (13)；
Described source of bank savings body (4) is provided with multiple, and multiple source of bank savings body (4) is uniformly distributed along the taper seat being axis with common rotating shaft line (13) or barrel surface.
2. medical radiation source apparatus according to claim 1, it is characterised in that: the own axes of position deviation source of bank savings body (4) of the radiation port of described radioactive source (3).
3. medical radiation source apparatus according to claim 2, it is characterised in that: the spacing (e) between radiation port and the own axes of source of bank savings body (4) of described radioactive source (3) at least above described collimating aperture (6) bore dia (φ) 1/2nd.
4. medical radiation source apparatus according to claim 1, it is characterised in that: this device also includes the resetting-mechanism being connected to drive source of bank savings body (4) to rotate and making the direction of illumination deviation public focus of ray with described connecting rod (8) and/or source of bank savings body (4).
5. medical radiation source apparatus according to claim 4, it is characterised in that: described resetting-mechanism stretches out the reset wind spring (9) in radioactive source body (2) one end for what be arranged on connecting rod (8).
6. the medical radiation source apparatus according to any one of Claims 1 to 5, it is characterized in that: described source of bank savings body (4) is in oval column, being disposed with multiple radioactive source (3) along himself axis direction on source of bank savings body (4), the radiation port of the radioactive source (3) on same source of bank savings body (4) is all different with the distance of public focus (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251899.4A CN104001269B (en) | 2014-06-09 | 2014-06-09 | A kind of medical radiation source apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251899.4A CN104001269B (en) | 2014-06-09 | 2014-06-09 | A kind of medical radiation source apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104001269A CN104001269A (en) | 2014-08-27 |
| CN104001269B true CN104001269B (en) | 2016-07-06 |
Family
ID=51362349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251899.4A Active CN104001269B (en) | 2014-06-09 | 2014-06-09 | A kind of medical radiation source apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104001269B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112019000270B1 (en) | 2016-07-06 | 2023-04-11 | Clemson University Research Foundation | RADIATION DISPATCH DEVICES AND THEIR APPLICATIONS |
| CN109011217A (en) * | 2018-08-24 | 2018-12-18 | 西安大医集团有限公司 | A kind of radiotherapy system and its control driving method |
| CN109011218A (en) * | 2018-08-24 | 2018-12-18 | 西安大医集团有限公司 | Load source body, radiotherapy apparatus and its control driving method |
| CN111803735B (en) * | 2020-07-10 | 2023-02-14 | 珠海丽珠试剂股份有限公司 | Blood irradiation treatment method and blood irradiation instrument |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586670A (en) * | 2004-09-15 | 2005-03-02 | 杭州华源伽玛医疗设备投资有限公司 | Rotary closing type gamma ray radiator |
| CN202005958U (en) * | 2011-03-29 | 2011-10-12 | 张华伟 | Radiotherapy equipment |
| CN203898948U (en) * | 2014-06-09 | 2014-10-29 | 武汉新奥沃医疗新技术有限公司 | Medical radiation source device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7627090B2 (en) * | 2006-10-08 | 2009-12-01 | Yanxiong Qiu | Configuration of a medical radiotherapeutic instrument |
-
2014
- 2014-06-09 CN CN201410251899.4A patent/CN104001269B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586670A (en) * | 2004-09-15 | 2005-03-02 | 杭州华源伽玛医疗设备投资有限公司 | Rotary closing type gamma ray radiator |
| CN202005958U (en) * | 2011-03-29 | 2011-10-12 | 张华伟 | Radiotherapy equipment |
| CN203898948U (en) * | 2014-06-09 | 2014-10-29 | 武汉新奥沃医疗新技术有限公司 | Medical radiation source device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104001269A (en) | 2014-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104001269B (en) | A kind of medical radiation source apparatus | |
| US10773102B2 (en) | Radiotherapy and imaging apparatus | |
| US5751781A (en) | Apparatus for treating a patient | |
| CN104936653B (en) | A kind of multipurpose radiotherapy system | |
| US7961843B2 (en) | Radiotherapeutic apparatus | |
| WO2017020244A1 (en) | Focussed radiotherapy apparatus and radiation therapy device | |
| US8853636B2 (en) | Linear accelerators | |
| JP2014505548A5 (en) | ||
| CN102688558B (en) | Radiation therapy equipment | |
| CN100450564C (en) | Radiotherapy apparatus | |
| CN102441238A (en) | Radiotherapy device, radiation device and collimating device | |
| CN109689159A (en) | A kind of radiotherapy system and its control driving method | |
| CN203898948U (en) | Medical radiation source device | |
| CN110465003A (en) | The radiotherapy unit of self-shileding | |
| WO2011028789A2 (en) | Irradiation system and method | |
| KR100897051B1 (en) | Irradiation device and collimator | |
| DE102007019355A1 (en) | Patient`s tumor tissue irradiating device, has beam guide formed as symmetrical polygon around isocenter guiding electron beam in supporting structure and on radiation heads, where deflection magnets are arranged for deflecting beam | |
| CN201115752Y (en) | Multi-alignment-body radiation therapy device | |
| GB1045546A (en) | Improvements in apparatus for effecting therapeutic treatment | |
| US20120314840A1 (en) | Radiation therapy device and method for generating a resolution enhancement in irradiated radiation-exposure fields | |
| EP3482401B1 (en) | Radiation delivery devices | |
| CN1296108C (en) | Directional intensity ajustable radiation therapy apparatus | |
| CN201115753Y (en) | Radiation therapy device | |
| CN208990092U (en) | A kind of focus head and radiotherapy apparatus | |
| JPH07265445A (en) | Radiation treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |