CN101239224A - Radiation therapy driving device - Google Patents

Radiation therapy driving device Download PDF

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Publication number
CN101239224A
CN101239224A CNA2007100759905A CN200710075990A CN101239224A CN 101239224 A CN101239224 A CN 101239224A CN A2007100759905 A CNA2007100759905 A CN A2007100759905A CN 200710075990 A CN200710075990 A CN 200710075990A CN 101239224 A CN101239224 A CN 101239224A
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China
Prior art keywords
source
driving device
locking bar
casket
shield
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Granted
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CNA2007100759905A
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Chinese (zh)
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CN101239224B (en
Inventor
肖世群
赵旭明
石加玛
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Haibo Technology Co Ltd Shenzhen
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Haibo Technology Co Ltd Shenzhen
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Priority to CN2007100759905A priority Critical patent/CN101239224B/en
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Publication of CN101239224B publication Critical patent/CN101239224B/en
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Abstract

The present invention relates to a radiotherapy driving device which includes: shield, source body, radioactive source, source deck, driving device of source deck. The radioactive source is in the source deck inner, the shield and source body have space for containing the source box, the driving device of the source box can be separated installed on down part of the source box, and the source box is drived to up-and-down movement between the shield and source box. The shield and source box are in the down part of the source body, which can save the shield material, reduce the whole device weight and occupied space; the driving device of the source box can be separated drive the source box up-and-down movement when treating, the source box is fixed on radiation device of the radiotherapy system by lock board, and rotary irradiate with the radiation device. The radiotherapy driving device reduces protective request of the radiation device, prevents motor block of the source box efficiently, simplifies the radiotherapy system structure, reduces processing difficuites and saves cost.

Description

Radiation therapy driving device
Technical field
The present invention relates to a kind of radiating medical equipment, relate in particular to a kind of radiocurable source apparatus of penetrating of gamma ray that is used for.
Background technology
The gamma ray radiotherapy system adopts cobalt-60 as radioactive source, when using radiotherapy system to carry out radiotherapy, and source intravital radioactive source beam rotating focus patient's Yu focus, and turn round irradiation; When radiotherapy system is in non-therapeutic state, in order to shield the gamma ray that cobalt-60 radioactive source discharges, radioactive source is arranged in the shield, the shielding material of adequate thickness is arranged around the radioactive source, guarantee that the environment around the radiotherapy system is a safe condition; When radiotherapy equipment was transformed into therapeutic state from non-therapeutic state, radioactive source entered in the body of source in shield, prepared the treatment patient.
The Chinese patent publication number is the patent of CN 2855450Y, a kind of source of bank savings device of radiotherapy system is disclosed, this device comprises: the driving device of shield, shield door, radioactive source, source casket, source casket, radioactive source is positioned at the source casket, the source casket is installed in the groove of described shield separably, and the driving of the driving device by the source casket moves horizontally the source casket.The source casket horizontal drive of the source of bank savings device of above-mentioned radiotherapy system, the shielding construction complexity, volume is big, cost of manufacture is high, and the source casket moves horizontally and is prone to the retardance phenomenon.
Summary of the invention
The purpose of this invention is to provide a kind of radiation therapy driving device, its technical problem that will solve is the kinestate of simplifying shielding construction, reduction cost of manufacture, improving the source casket.
For achieving the above object the present invention by the following technical solutions: a kind of radiation therapy driving device, comprise: the driving device of shield, source body, radioactive source, source casket, source casket, radioactive source is positioned at the source casket, be provided with the space that holds the source casket in shield and the source body, the driving device of source casket is installed in the below of source casket separably, and the elevating movement between shield and source body of drive source casket.
Described source casket driving device comprises: lifting platform, the elevating drive mechanism that is connected with lifting platform, locking bar, the locking bar drive mechanism that is connected with locking bar, and described locking bar is connected on the lifting platform, and an end of locking bar can dock with the source casket.
Described elevating drive mechanism comprises: motor, the driving member that is connected with motor, the ball screw assembly, that is connected with driving member, and described elevating drive mechanism is two or one, lifting platform is connected with the subsidiary nut of ball-screw.
Described locking bar drive mechanism comprises: motor, the gear driving member that is connected with motor or rack-and-pinion driving member, gear is connected with locking bar.
Described locking bar comprises fixed bar and expansion link, and fixed bar and expansion link can linearly move, and fixed bar is connected with the locking bar drive mechanism, and expansion link is connected with lifting platform.
Described source casket is provided with rotatable jam plate, and source casket and jam plate are provided with the lockhole of receivability locking bar.
In the present invention, shield and source casket are positioned at the below of source body, economized shielding material, alleviated weight, have reduced occupation space; Source casket driving device drive source casket elevating movement separably during treatment, make the source casket be fixed in the radiation appliance of radiotherapy system by jam plate, be rotated irradiation with radiation appliance, reduced the requirement of shelter of radiation appliance, effectively prevent source casket motion retardance, simplify the structure of radiotherapy system, reduced difficulty of processing, saved cost.
Description of drawings
Fig. 1 is an overall structure of the present invention axle center cutaway view.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Fig. 3 is an axonometric chart of the present invention.
1. bases among the figure, 2. shield, 3. source casket, 4. source body, 5. radioactive source, 6. collimator, 7. collimation body, 10. lifting platform, 11. lifting drive motors, 12. driving member, the subsidiary leading screw of 13. ball-screws, the subsidiary nut of 14. ball-screws, 21. the locking bar drive motors, 22. tooth bars, 23. gears, 24. fixed bar, 25. expansion links, 31. jam plates
The specific embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing embodiment.
As shown in Figure 1, 2, 3, in the present invention, radiation therapy driving device comprises: the driving device of shield 2, source body 4, radioactive source 5, source casket 3, source casket 3, radioactive source 5 is positioned at source casket 3, be provided with the space that holds source casket 3 in shield 2 and the source body 4, the driving device of source casket 3 is installed in the below of source casket 3 separably, and drive source casket 3 elevating movement between shield 2 and source body 4.Shield 2 belows are provided with base 1, and the central authorities of shield 2 and base 1 are provided with the space of source casket 3 liftings, and shield 2 and base 1 have been filled heavy metal lead for having the cast iron structure of internal cavities in the cavity.
Base 1 is provided with source body 4 and collimation body 7, source body 4 and collimation body 7 can be around the independent respectively rotations of same rotary middle spindle, be provided with a plurality of collimators 6 in the collimation body 7, be provided with the beam through hole in the source body 4, the difference rule of collimator 6 and beam through hole is identical with the difference rule of source casket 3 internal sources 5, when source casket 3 docks with source body 4, rotational source body 4 or collimation body 7, make beam through hole and collimator 6 centerings in the source body 4, the radiation beam of radioactive source 5 focuses on the rotary middle spindle by beam through hole and collimator 6 successively, forms a focusing center.
Casket 3 driving devices in source comprise: lifting platform 10, the elevating drive mechanism that is connected with lifting platform 10, locking bar, the locking bar drive mechanism that is connected with locking bar, locking bar comprises fixed bar 24 and expansion link 25, fixed bar 24 and expansion link 25 can linearly move, fixed bar 24 is connected with the locking bar drive mechanism, expansion link 25 is connected with lifting platform 10, and the flexible end of locking bar can dock with source casket 3.
Elevating drive mechanism comprises: lifting drive motors 11, the driving member 12 that is connected with lifting drive motors 11, the ball screw assembly, that is connected with driving member 12, elevating drive mechanism is two, lifting platform 10 is connected with the subsidiary nut 14 of ball-screw, lifting drive motors 11 drives bevel gear 23 pairs by power transmission shaft, bevel gear 23 pairs are fixedlyed connected with the subsidiary screw mandrel 13 of ball-screw, thereby lifting drive motors 11 drives screw mandrel moves up and down the subsidiary nut 14 of ball-screw, drives source casket 3 elevating movements on lifting platform 10 and the lifting platform 10.
The locking bar drive mechanism comprises: locking bar drive motors 21, gear 23 tooth bars 22 driving members 12 that are connected with locking bar drive motors 21, gear 23 is connected with fixed bar 24 in the locking bar, locking bar drive motors 21 drives tooth bar 22 gears 23 and drives fixed bar 24 rotations, fixed bar 24 central authorities are provided with expansion link 25, be provided with chute between fixed bar 24 and the expansion link 25, make between fixed bar 24 and the expansion link 25 and can linearly move, rotate synchronously, the end of expansion link 25 is square or rectangle.
Source casket 3 is a rectangular structure, 5 liang of rows of radioactive source in the source casket 3 radial distribution, radioactive source 5 focuses on the public focus, the central authorities of source casket 3 rear end faces are provided with rotatable jam plate 31, jam plate 31 is provided with the long shaped plate of circular arc for two ends, its length is greater than the length of source casket 3, source casket 3 and jam plate 31 are provided with the lockhole of receivability expansion link 25, expansion link 25 inserts lockhole can stir jam plate 31 rotations, jam plate 31 is in unblank and shuts two states, unlocking condition: the source casket 3 on the lifting platform 10 is driven by lifting drive motors 11, rise up in the cavity of source body 4, locking bar drive motors 21 drives fixed bar 24 and expansion link 25 rotates synchronously, makes the two ends of jam plate 31 stretch out source casket 3 surfaces, inserts in the groove of source body 4, source casket 3 is connected with source body 4, shut state: locking bar drive motors 21 drives fixed bar 24 and expansion link 25 rotates synchronously, makes the groove of disengaging source, the two ends body 4 of jam plate 31, and source casket 3 and source body 4 are separated; Under non-therapeutic state, source casket 3 is positioned on the lifting platform 10, expansion link 25 is positioned at the lockhole of source casket 3 jam plates 31, and drop in the shield 2, during treatment, the lifting platform 10 under the source casket 3 is driven by lifting drive motors 11, source casket 3 is risen up in the cavity of source body 4, by rotating jam plate 31 source casket 3 is connected with source body 4, reduces lifting platform 10 again, drive the lockhole that expansion link 25 breaks away from jam plate 31.
Also be provided with locking bar in source casket 3 driving devices and drive hand gear, when radiotherapy system in Installation and Debugging stage or when breaking down, can drive handwheel by locking bar and rotate jam plate 31, and move, realize the manual actuation of source casket 3 by lifting driving handwheel driving lifting platform 10.
Treatment can drop to source casket 3 and lifting platform 10 in the shield 2 when finishing, and source casket 3 and shield 2 and the separable structure of source casket 3 driving devices have reduced the requirement of shelter of radiation appliance, alleviated weight, simplify the structure of radiotherapy system, reduced difficulty of processing, saved cost.
Shield 2 and source casket 3 are positioned at the below of source body 4, economized shielding material, alleviated weight, have reduced occupation space; Source casket 3 driving devices drive source casket 3 elevating movements separably during treatment, make source casket 3 be fixed in the radiation appliance of radiotherapy system by jam plate 31, be rotated irradiation with radiation appliance, reduced the requirement of shelter of radiation appliance, effectively prevent the 3 motion retardances of source casket, simplify the structure of radiotherapy system, reduced difficulty of processing, saved cost.
Among second embodiment of the present invention, elevating drive mechanism comprises: motor, the driving member 12 that is connected with motor, the ball screw assembly, that is connected with driving member 12, elevating drive mechanism is one, lifting platform 10 is connected with the subsidiary nut 14 of ball-screw, and other structure is identical with first embodiment of the present invention.

Claims (8)

1. radiation therapy driving device, comprise: the driving device of shield, source body, radioactive source, source casket, source casket, radioactive source is positioned at the source casket, be provided with the space that holds the source casket in shield and the source body, it is characterized in that: the driving device of source casket is installed in the below of source casket separably, and the elevating movement between shield and source body of drive source casket.
2. radiation therapy driving device according to claim 1, it is characterized in that: described source casket driving device comprises: lifting platform, the elevating drive mechanism that is connected with lifting platform, locking bar, the locking bar drive mechanism that is connected with locking bar, described locking bar is connected on the lifting platform, and an end of locking bar can dock with the source casket.
3. radiation therapy driving device according to claim 2, it is characterized in that: described elevating drive mechanism comprises: motor, the driving member that is connected with motor, the ball screw assembly, that is connected with driving member, described elevating drive mechanism is two, lay respectively at the both sides of lifting platform, lifting platform is connected with the subsidiary nut of ball-screw.
4. radiation therapy driving device according to claim 2, it is characterized in that: described elevating drive mechanism comprises: motor, the driving member that is connected with motor, the ball screw assembly, that is connected with driving member, described elevating drive mechanism is one, and lifting platform is connected with the subsidiary nut of ball-screw.
5. radiation therapy driving device according to claim 2 is characterized in that: described locking bar drive mechanism comprises: motor, the gear driving member that is connected with motor, gear is connected with locking bar.
6. radiation therapy driving device according to claim 2 is characterized in that: described locking bar drive mechanism comprises: motor, the rack-and-pinion driving member that is connected with motor, gear is connected with locking bar.
7. radiation therapy driving device according to claim 2 is characterized in that: described locking bar comprises fixed bar and expansion link, and fixed bar and expansion link can linearly move, and fixed bar is connected with the locking bar drive mechanism, and expansion link is connected with lifting platform.
8. radiation therapy driving device according to claim 1 and 2 is characterized in that: described source casket is provided with rotatable jam plate, and source casket and jam plate are provided with the lockhole of receivability locking bar.
CN2007100759905A 2007-07-16 2007-07-16 Radiation therapy driving device Active CN101239224B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101239224B CN101239224B (en) 2010-12-22

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102553080A (en) * 2010-12-07 2012-07-11 深圳市海博科技有限公司 Radiotherapy equipment
CN103093846A (en) * 2012-12-31 2013-05-08 深圳市海博科技有限公司 Source loading equipment and radioactive source inverted installation method
CN101770036B (en) * 2008-12-26 2013-11-27 深圳市海博科技有限公司 Single-source dose field measurement device
CN104203343A (en) * 2013-02-28 2014-12-10 深圳市奥沃医学新技术发展有限公司 Pull rod apparatus capable of implementing movement of source body and radiation apparatus of the pull rod apparatus
CN106163613A (en) * 2014-05-22 2016-11-23 深圳市奥沃医学新技术发展有限公司 Multi-source focusing therapy and conformal intensity modulated treatment radiotherapy apparatus and collimator arrangement thereof
WO2018191851A1 (en) * 2017-04-17 2018-10-25 西安大医数码技术有限公司 Radiotherapy system
CN109464753A (en) * 2018-10-12 2019-03-15 高飞 The radiation beam guiding mechanism of radiotherapy apparatus
WO2019165986A1 (en) * 2018-02-28 2019-09-06 深圳市奥沃医学新技术发展有限公司 Source capsule connection assembly, source capsule manipulation assembly, radiation treatment apparatus, and source guide system
WO2020001436A1 (en) * 2018-06-29 2020-01-02 西安大医集团有限公司 Focusing head and radiotherapy apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2676951Y (en) * 2003-12-31 2005-02-09 深圳市尊瑞科技有限公司 Radiation therapy radiator
CN2799001Y (en) * 2005-06-10 2006-07-26 杭州华源伽玛医疗设备投资有限公司 Gamma beam therapeutic equipment dedicated for head
CN2855450Y (en) * 2005-12-12 2007-01-10 惠小兵 Source storage device of radiation treatment system
CN2850641Y (en) * 2005-12-12 2006-12-27 惠小兵 Shield door device of radiotherapy system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101770036B (en) * 2008-12-26 2013-11-27 深圳市海博科技有限公司 Single-source dose field measurement device
CN102553080B (en) * 2010-12-07 2015-02-18 深圳市海博科技有限公司 Radiotherapy equipment
CN102553080A (en) * 2010-12-07 2012-07-11 深圳市海博科技有限公司 Radiotherapy equipment
CN103093846A (en) * 2012-12-31 2013-05-08 深圳市海博科技有限公司 Source loading equipment and radioactive source inverted installation method
CN104203343B (en) * 2013-02-28 2017-02-22 深圳市奥沃医学新技术发展有限公司 Pull rod apparatus capable of implementing movement of source body and radiation apparatus of the pull rod apparatus
CN104203343A (en) * 2013-02-28 2014-12-10 深圳市奥沃医学新技术发展有限公司 Pull rod apparatus capable of implementing movement of source body and radiation apparatus of the pull rod apparatus
CN106163613A (en) * 2014-05-22 2016-11-23 深圳市奥沃医学新技术发展有限公司 Multi-source focusing therapy and conformal intensity modulated treatment radiotherapy apparatus and collimator arrangement thereof
WO2018191851A1 (en) * 2017-04-17 2018-10-25 西安大医数码技术有限公司 Radiotherapy system
US11141605B2 (en) 2017-04-17 2021-10-12 Our United Corporation Radiotherapy system
WO2019165986A1 (en) * 2018-02-28 2019-09-06 深圳市奥沃医学新技术发展有限公司 Source capsule connection assembly, source capsule manipulation assembly, radiation treatment apparatus, and source guide system
WO2020001436A1 (en) * 2018-06-29 2020-01-02 西安大医集团有限公司 Focusing head and radiotherapy apparatus
CN109464753A (en) * 2018-10-12 2019-03-15 高飞 The radiation beam guiding mechanism of radiotherapy apparatus
CN109464753B (en) * 2018-10-12 2020-10-27 高飞 Radiation beam guiding mechanism of radiotherapy apparatus

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Address after: 518057 Guangdong city of Shenzhen province Nanshan District South Road No. 14 building seven Huiheng A zone 3

Patentee after: Haibo Technology Co., Ltd. Shenzhen

Address before: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507

Patentee before: Haibo Technology Co., Ltd. Shenzhen