|Publication number||CN102698374 A|
|Application number||CN 201210171633|
|Publication date||3 Oct 2012|
|Filing date||29 May 2012|
|Priority date||29 May 2012|
|Also published as||CN102698374B|
|Publication number||201210171633.X, CN 102698374 A, CN 102698374A, CN 201210171633, CN-A-102698374, CN102698374 A, CN102698374A, CN201210171633, CN201210171633.X|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (4), Referenced by (1), Classifications (1), Legal Events (6)|
|External Links: SIPO, Espacenet|
—种图像引导放射治疗设备 - The kind of image-guided radiation therapy equipment
技术领域 Technical Field
 本发明涉及一种医疗器械中的放射治疗设备，尤其涉及一种图像引导放射治疗设备。  The present invention relates to a medical instrument in radiation therapy equipment, and more particularly to an image-guided radiation therapy equipment.
目前以伽玛射线为放射源的治疗设备一般都是利用将伽玛射线在患者靶点处进行聚焦照射来达到保护正常组织，杀死病灶的目的。  In the current sources of gamma-ray treatment equipment for the use of the gamma rays are generally focusing irradiated target site in the patient to achieve the protection of normal tissues, to kill the lesion purposes. 随着放疗技术的不断进步，射线聚焦的方式已从静态聚焦的方式发展到了旋转聚焦技术。 With the continuous advancement of radiotherapy, radiation from a static focus unfocused manner of ways to rotate the focus technology development. 旋转聚焦技术就是让伽玛射线围绕患者的靶点不断进行旋转运动，以此提高焦皮比，降低正常组织所受到的平均照射剂量。 Rotate the focus is to make the gamma-ray technology targets around the patient continued rotational movement, in order to improve the focus sheath ratio, reducing the average dose to normal tissues suffered. 旋转聚焦的方式一般有两种：一种是射线沿通过患者靶点的某一根中轴进行自转，另一种就是射线沿通过患者靶点的某一根中轴进行公转。 Rotate the focus is the way to have two: one is radiation traveling along a central axis of rotation by a patient targets, while another is Ray revolves along the central axis of the patient through a single target.
 现有的放射治疗设备，参见图I所示，采用多个放射单元按照不同的经纬度分布在同一个半球体或球冠体上，参见图2所示,其半球体或球冠体围绕其自身的中轴线a进行旋转运动，由于此时各个放射单元自身的轴线会在球心处交汇至一点，因此形成了锥形体射线束，交汇点就是旋转聚焦点，也就是进行治疗时候病灶的放置点。  The conventional radiation therapy device, see Figure I, the use of multiple radiation units distributed in a different latitude and longitude on the same hemisphere or spherical cap body, see figure, its hemisphere or spherical cap body 2 around its own axis of a rotational movement, because this time the individual radiation unit itself to a point at the intersection of the axis will be in center, thus forming a cone beam, the intersection point is the focal point of rotation, that is, when the lesions treated The placement point. 此类放射治疗设备由于仅仅采用围绕自身轴线自转的方式且放射源纬度大多布置得较低，使得其很难有多余的空间实施即时的图像引导治疗。 Such radiation therapy equipment since only by way of rotation around its own axis and latitude sources are arranged mostly low, making it difficult to have the extra space to implement real-time image-guided therapy. 在另一些现有的放射治疗设备中，采用射线束围绕靶点进行公转的方式来进行治疗，但是在实践中由于机械结构的限制以及敏感组织的保护要求，其公转角度往往达不到360度的整圈旋转，而只能是采用一定角度下的小范围弧形聚焦照射，因此对于需要进行360度整周扫描才能进行成像的图像引导治疗方式来说实现起来也是相当地困难。 In other conventional radiotherapy equipment, the use of beam-target revolves around ways to treat, but in practice, due to the limitations and protection requirements of sensitive tissue mechanical structure, the revolution angle often reach 360 degrees The full circle of rotation, but only a small range of the irradiation focus arcuate certain angles, so the need to scan the entire circumference of 360 degrees can be imaged image guided treatment is also quite difficult to implement.
 本发明的目的在于提供一种图像引导放射治疗设备，通过设置所述治疗设备主体上的同轴套设在一起且相互之间能旋转的屏蔽体滚筒、固设有放射源组件及图像引导装置的源体滚筒、准直体滚筒组件，将治疗床360度整周包围，解决了射线不能在图像实时引导的情况下围绕靶点进行360度范围内精确照射治疗的问题。  The object of the present invention is to provide an image-guided radiation therapy device, by providing the therapeutic device main body sleeve coaxially arranged with each other and rotatable drum shield, solid radioactive components and features Source drums image guiding device, collimator drum assembly, the couch surrounded by 360 degrees the whole week to solve the problem of rays can not focus on targets in the case of real-time image guidance will be in the range of 360 degrees accurate irradiation treatment.
 本发明是这样实现的，一种图像引导放射治疗设备，包括一安装底座，以及固定安装于所述安装底座上的治疗床及治疗设备主体；所述治疗设备主体包括一屏蔽体滚筒，还包括套设于所述屏蔽体滚筒内的一源体滚筒，以及套设于所述源体滚筒内的一准直体滚筒组件，所述源体滚筒与所述准直体滚筒组件均与屏蔽体滚筒同轴，所述屏蔽体滚筒固定安装于所述安装底座上，所述源体滚筒由源体滚筒电机驱动可绕其中心轴360度旋转，所述准直体滚筒组件由准直体滚筒电机驱动可绕其中心轴360度旋转；所述治疗设备主体还包括一能提供射线的放射源组件，所述放射源组件可拆卸地安装于所述源体滚筒上，可随源体滚筒旋转而旋转，所述准直体滚筒组件包括一准直器，所述放射源组件放射出的射线经过所述准直器的限束后射向所述治疗设备主体内；所述治疗设备主体还包括一固定安装于所述源体滚筒上的图像引导装置，可随所述源体滚筒旋转而旋转；所述治疗床沿所述屏蔽体滚筒的轴线方向穿过所述治疗设备主体内，并被所述治疗设备主体360度整周包围。  The present invention is achieved, an image guided radiation therapy device comprising a mounting base, and is fixedly mounted to the mounting of the couch and therapy equipment on the base body; the treatment apparatus body including a shield cylinder further comprising a sleeve provided at a source drums drums inside the shield, and sets the drum set in a quasi-linear form of the source body roller assembly, the source drums and drum assembly of the collimator are drum coaxial shield, the shield cylinder fixedly mounted to the mounting base, the source drums drum motor drive by the source body is rotatable about its central axis 360 degree rotation, the collimator quasi roller assembly Straight motor-driven drum body rotatable about its central axis of rotation 360 degrees; the treatment device body further comprises a component capable of providing radiation sources, the radiation source assembly detachably mounted on the drum source body, may vary depending on the source rotation of the drum body is rotated, the collimator assembly comprises a collimator drum, the radiation source assembly rays emitted through the rear of the collimator limits the treatment beam is directed within the apparatus main body; the treatment apparatus body further comprises a fixed guide roller mounted on the image on the source body, and can rotate with the rotation of the drum body source; treating the bed of the axial direction of the drum through the shield therapeutic device main body , and the therapeutic device main body 360 surrounds the entire circumference.
 所述源体滚筒的内壁上开设有第一图像引导装置安装通孔及第二图像引导装置安装通孔，所述第一图像引导装置安装通孔及第二图像引导装置安装通孔呈180度相向设置，所述第一图像引导装置安装通孔与所述第二图像引导装置安装通孔之间的连线穿过所述治疗床。  The source body opened on the inner wall of the drum has a first through-hole mounting image guide means and the second image guide means mounting through hole, guide means mounting said first image and the second image through hole mounting through hole guide means disposed 180 degrees opposite, wire guide means mounting said first image and said second image through hole mounting guide means passes through a through hole between said treatment bed.
 所述准直体滚筒组件在径向上留有两开口端，所述第一图像引导装置安装通孔与所述第二图像引导装置安装通孔之间的连线穿过所述准直体滚筒组件的两开口端。  The collimator leaving two open ends of the roller assembly in the radial direction, the connection of the first image-directing device attachment holes of the second image guide device is mounted between the through holes through the quasi Straight body of the open ends of the roller assembly.
 所述源体滚筒的壁体上还开设有用来放置放射源组件的放射源安装通孔，所述第一图像引导装置安装通孔及第二图像引导装置安装通孔与所述放射源组件之间夹角均为90度。  The source also opened on the wall body cylinders are used to place the radioactive components of radioactive attachment holes, the guide device is mounted through the first image and the second image guide hole attachment holes and the radiation the angle between the source components are 90 degrees.
 所述图像引导装置包括发射端和接收端，所述发射端安装于所述第一图像引导装置安装通孔内，所述接收端安装于所述第二图像引导装置安装通孔内。  The image-directing device includes a transmitter and receiver, the transmitting end is attached to the first image-directing device installed through hole, the receiving end is attached to the second image-directing device is mounted through hole .
 所述第一图像引导装置安装通孔为圆形，所述第二图像引导装置安装通孔为长方形。  The first image-directing device is mounted through hole is circular, the second image-directing device is mounted through a rectangular hole.
 所述屏蔽体滚筒在径向方向上开设有装源孔用于换装新源和日常维修，所述装源孔为相向对称设置的两个通孔，分别位于所述屏蔽体滚筒的水平两端，所述治疗设备主体还包括两个装源孔堵块，分别与所述屏蔽体滚筒上的装源孔配合安装。  shield the drums in the radial direction to open source means a hole for installation of new sources and routine maintenance, the installation source hole facing two holes symmetrically arranged, which are located in the shield cylinder The level ends, the treatment apparatus body further includes two loading source aperture block block, respectively, and the source shield hole loaded with drums on the installation.
 所述图像引导装置为DR数字X线成像系统。  The image guide to DR digital X-ray imaging systems.
 所述图像引导装置为CBCT锥形束CT成像系统。  The CBCT image-directing device is cone-beam CT imaging system.
 所述放射源组件提供的射线为伽玛射线。  The ray source assembly providing for gamma rays.
 采用本发明实施例提供的图像引导放射治疗设备的有益效果为：通过在源体滚筒上设置能提供射线的放射源组件与图像引导装置，并带动放射源组件及图像引导装置围绕治疗床360度整周旋转，实现了对患者360度范围内的影像跟踪及在治疗过程中的实时监测、靶点随动，从而达到了图像引导下精确放射治疗的目的。  The embodiment of the invention provides an image-guided radiation therapy device of beneficial effects: by providing the source drums of radioactive components to provide radiation image guide and drive components and image guided radiation source device about treatment 360-degree rotating bed the whole week, realized the patient 360 degrees image tracking and real-time monitoring during treatment, and target follow, so as to achieve the purpose under precise image guided radiation therapy.
附图说明 Brief Description
 图I是本发明的现有技术中放射治疗装置示意图；  FIG. I is a schematic diagram of a prior art radiation therapy device of the present invention;
 图2是本发明的现有技术放射治疗装置的射线示意图；  FIG. 2 is a schematic diagram of a prior art ray radiation therapy device of the present invention;
 图3是本发明的放射治疗设备结构示意图；  FIG. 3 is a schematic structural view of the radiotherapy apparatus of the present invention;
 图4是本发明放射治疗设备结构正面剖视图；  FIG. 4 is a cross-sectional view of the radiation therapy equipment front structure of the invention;
 图5是本发明放射治疗设备结构侧面剖视图；  FIG. 5 is a side sectional view of the structure of the radiotherapy apparatus of the present invention;
 图6是本发明放射源组件与模拟源组件及其驱动装置结构示意图；  FIG. 6 is a schematic assembly of the present invention means radioactive sources and analog source components and their drivers;
 图7是本发明准直体滚筒组件结构示意图；  FIG. 7 is a schematic structural view of the roller assembly of the present invention, the collimator;
 图8是本发明屏蔽体滚筒结构示意图；  FIG. 8 is a schematic view of the drum shield structure of the present invention;
 图9是本发明源体滚筒与准直体滚筒组件结构示意图；  FIG. 9 is the source of the present invention drums and drum assembly collimator structure diagram;
具体实施方式 DETAILED DESCRIPTION
 为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。  In order to make the objects, technical solutions and advantages of the present invention will become apparent from, the accompanying drawings and the following embodiments, the present invention will be described in further detail. 应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。 It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
 图3是本发明的放射治疗设备结构示意图，包括一安装底座3，以及固定安装于安装底座3上的治疗床2及治疗设备主体I。  FIG. 3 is a schematic structural view radiotherapy apparatus of the present invention, comprising a mounting base 3, and 2 and the treatment couch on the apparatus main body 3 is fixedly mounted on the mounting base I.
 参见图4及图5所示，治疗设备主体I包括均为圆柱筒形状的屏蔽体滚筒11、源体滚筒12以及准直体滚筒组件13，屏蔽体滚筒11固定安装于安装底座3上，源体滚筒12通过第一轴承15套设于屏蔽体滚筒11内，准直体滚筒组件通过第二轴承16套设于源体滚筒12内，该屏蔽体滚筒11、源体滚筒12与准直体滚筒组件13共一旋转中心轴，源体滚筒12及准直体滚筒组件13分别可由源体滚筒电机（图未示）及准直体滚筒电机（图未示）驱动分别绕其中心轴360度旋转；治疗设备主体I还包括一能提供射线的放射源组件14，该射线可为伽玛射线，该放射源组件14可拆卸的安装于源体滚筒12上，可随源体滚筒12旋转而旋转，准直体滚筒组件13包括一与放射源组件14放射出的射线相配合使用的准直器131 ;该治疗床2沿屏蔽体滚筒11的中心轴线方向布置，穿过治疗设备主体I内，并被治疗设备主体360度整周包围，当源体滚筒12旋转时带动放射源组件14旋转，放射源组件14放射出的射线经过准直器131的限束后射向治疗设备主体I内治疗床2上的患者，可对病灶进行360度范围内任意旋转拉弧照射。  Referring to Figure 4 and 5, the treatment apparatus I comprises a main cylindrical shapes are cylindrical shield cylinder 11, the drum body 12 and the source collimator roller assembly 13, the shield 11 is fixedly mounted to the cylinder mounting base 3 , the source body cylinder 12 through the first 15 sets of bearings provided on the drum shield 11, collimator roller assembly 16 through a second bearing sleeve disposed within 12 source drums, the shield cylinder 11, roller 12 and the source body collimator cylinder assembly 13 of a central axis of rotation, the source body cylinder 12 and collimator cylinder assembly 13 respectively by the source body drum motor (not shown) and the collimator drum motor (not shown) drives around its center, respectively 360 degree rotation axis; I treatment device main body assembly further comprises a radiation source 14 provides radiation, the radiation can be gamma rays, the radiation source assembly 14 is removably attached to the source body of the drum 12, the drum may vary depending on the source body The rotary 12 rotates, the collimator collimator assembly 13 includes a roller assembly 14 and the radiation source emits radiation 131 cooperates used; the central axis of the treatment bed 2 along the shield of the drum 11 is arranged, through the treatment device within the body I, and the treatment device body 360 surrounds the entire circumference, drive assembly 14 is rotated when the radioactive sources in the drum 12 is rotated, radioactive rays emitted assembly 14 through the collimator beam limiting treatment device 131 after shooting 2 patients on the couch inside the body I, the lesion can be rotated 360 degrees within a range of arc radiation.
 为了提高焦皮比及使射野内的剂量场尽可能均匀分布，可设置机构使射线束围绕自身分布的中心轴进行旋转，参见图4及图6所示，本实施例的放射源组件设有一具有旋转中心轴的射源体141，该射源体141上开设有多个供放射源安装的放置孔以及射线出孔，放射源安装于放置孔内，放射出的射线通过射线出孔均整后形成同向均匀分布的射线束射出，该放射源组件还包括一端与射源体141固定连接的射源体轴142，其位于射源体141的旋转中心轴上，其另一端固定连接一放射源齿轮143 ;治疗设备主体I上还设有一放射源驱动装置17,包括一放射源齿环171以及一具有输出齿轮172的放射源驱动电机（图未不），该放射源齿环171通过滑块（图未示）安装于屏蔽体滚筒11内壁的导向槽内，并可围绕其旋转中心同轴转动，放射源齿环171同时与放射源驱动电机的输出齿轮172及放射源齿轮143啮合，进一步的，放射源齿环171的两端面均设有卡齿，其一端面的卡齿与放射源齿轮143啮合，另一端面的卡齿与放射源驱动电机的输出齿轮172啮合；当放射源驱动电机带动输出齿轮172转动时，带动放射源齿环171转动，再进一步通过带动放射源齿轮143转动而使射源体141绕其自身旋转中心轴旋转,从而实现了射线束围绕其自身分布的中心轴旋转。  In order to improve the focus and make the skin more than a dose of the radiation field within the field as evenly as possible, so that the beam can be set mechanism itself distributed around the central axis of rotation, as shown in Figure 4 and Figure 6, the embodiment of sources assembly is provided with radiation source 141 having a central axis of rotation, the creation of a plurality of holes for the placement of the hole and ray sources installed radioactive sources installed in the placement hole radiation emitted by the radiation of the radiation source 141 After the holes are formed integral with the uniform distribution of the emitted radiation beam, the radiation source assembly further comprises a radiation source and radiation source body axis 141 at one end 142 fixedly connected, its radiation source is located in the center of the rotation axis of the body 141, the other end is fixed A gear 143 is connected sources; treatment apparatus main body I is also a radioactive source drive means 17, comprising a radiation source and a radiation source ring gear 171 drives the motor output gear 172 (FIG does not), the ring gear having a radiation source ring gear 171 through the radiation source and radiation source 171 while the drive motor output gear 172 and the gear radioactive slider (not shown) attached to the inner wall of the shield cylinder guide groove 11, and is rotated about its center of rotation coaxial, 143 engages a further end faces radioactive ring gear teeth 171 are equipped with card, the card with radioactive gear tooth 143 engages one end surface 172 engages the other end face of the output card tooth gear drive motor and radioactive sources; When the radioactive drive motor driven output gear 172 is rotated, the ring gear 171 rotates drive sources, sources further drive gear 143 by rotation of the radiation source 141 about its central axis of rotation, in order to achieve the beam around its the central axis of rotation of the distribution itself.
 进一步的，参见图6所示，本实施例的射源体141由套设在一起的同中心轴的安装座1411及预准直器1412组成，该放射源放置孔位于安装座1411上，该射线出孔位于预准直器1412上，放射源放置孔与射线出孔对应设置可导通，安装座1411与预准直器1412之间可沿其中心轴相互转动，该射源体轴142由同中心轴且套设在一起的轴套1421及转轴1422组成，该放射源齿轮143由安装座齿轮1431及预准直器齿轮1432组成，该转轴1422插在轴套1421中可相互转动，且其一端固定连接预准直器1412，另一端固定连接预准直器齿轮1432，该轴套1421 —端固定连接安装座1411，另一端固定连接安装座齿轮1431 ;放射源齿环171包括同中心轴且套设在一起的第一齿环1711及第二齿环1712，其分别由不同的放射源驱动电机驱动，可绕其中心轴相互之间转动，第一齿环1711与安装座齿轮1431啮合，第二齿环1712与预准直器齿轮1432啮合；当电机驱动第一、二齿环1711、1712同步转动时，带动安装座1411与预准直器1412同步转动，即实现射源体141及其放射出的射线绕其中心轴的自转，当电机异步驱动第一、二齿环1711、1712时，其分别带动安装座1411与预准直器1412异步转动，此时，放射源放置孔与射线出孔错位形成不导通，放射源放置孔一端被封堵，射线无法射出，于是实现了对放射源组件14的射线开关的控制。  Further, referring to Figure 6, the mount radiation source 141 of this embodiment is provided by a set together with the central axis of the collimator 1411 and pre-1412 composition, the radiation source is placed hole located mount 1411 On the rays of the hole collimator is located on the pre-1412, with the rays of the radioactive source is placed hole holes corresponding settings turned on, can be rotated about its central axis between each other mounts 1411 and 1412 pre-collimator, the radiation source body shaft 142 by the same central axis of the sleeve and the sleeve is provided with the 1421 and 1422 consisting of the shaft, the gear 143 by the radioactive mount gear 1431 and 1432 pre-collimator gear composed of the shaft 1422 can be inserted in the sleeve 1421 mutual rotation and having one end fixed connection provisioning collimator 1412, and the other end fixedly connected to the pre-collimator gear 1432, the hub 1421-- end fixedly connected to the mount 1411, and the other end connected to the mount fixed gear 1431; sources toothed ring 171 includes a first gear ring with the central axis, and is sheathed with the 1711 and 1712 second ring gear, which are driven by different sources drive motor, rotating to each other about its central axis, a first ring gear 1711 and 1431 Mount gear meshing, 1432 second ring gear meshing with the pre-1712 collimator gear; when the motor driving the first and second ring gear 1711,1712 synchronous rotation, driven synchronously rotating mount a pre-collimator 1411 and 1412, namely achieve their beam 141 about its central axis of rotation of the emitted radiation source which, when asynchronous motor driving the first and second ring gear 1711,1712, its respective drive mounts 1411 and 1412 pre-collimator asynchronous rotation, at this time radioactive sources placed hole and the hole dislocation rays form a non-conducting, sources place the hole at one end is blocked, Ray could not exit, thus realizing a ray of radioactive components of the control switch 14.
 参见图4及图6所示,射源体141为圆锥体,源体滚筒12的壁体上开设有圆锥型通孔，圆锥型通孔的中心轴线位于源体滚筒12的径向上并与源体滚筒12的旋转中心轴垂直，该圆锥型通孔的直径由源体滚筒12的外侧面向内侧面逐渐减小，以使得射源体141通过相适配的轴承或滑轨（图未示）安装于该源体滚筒上的圆锥型通孔内时不至于向内滑脱，射源体141与该圆锥型通孔的内壁之间环设有锥形轴承（图未示）或滑轨机构（图未示）来支撑射源体141绕其自身中心轴旋转；由于放射源组件的这种整体嵌入式安装，当需要更换射源时，可将放射源组件整体取出换源，减少逐个单元换源的风险。  See figure, 141 is cone body radiation source, the source of the body wall of the drum 12 opening 4 and 6 have conical vias, the central axis of the conical through hole 12 is located radially source body roll on and the central axis of rotation perpendicular to the source body of the drum 12, the diameter of the tapered vias decreased from endogenous body side facing the outside of the drum 12 so that the radiation source 141 is adapted by bearing or slide (Fig. not shown) is mounted to the conical through hole drums on the source will not slip inward, radiation source 141 between the inner wall of the through-holes with conical ring with a conical bearing (not shown) or slide Rail mechanism (not shown) to support the radiation source 141 about its central axis; because of this whole flush mount radioactive components need to be replaced when the radiation source, radioactive components can be removed to change the overall source reduction by-unit exchange risk sources.  参见图4所示，源体滚筒12的内壁上开设有圆形的第一图像引导装置安装通孔121及长方形的第二图像引导装置安装通孔122，该第一、第二图像引导装置安装通孔121、122和放射源组件14共面且沿源体滚筒的径向呈180度相向设置，此外它们且与该放射源组件14之间的夹角均为90度。  Referring figure, the source body having a circular opening of the guide means mounting a first image and a rectangular through hole 121 of the second image-directing device is mounted on the inner wall of the through hole 122 of the cylinder 12 4, the first and second image installation guide through holes 121, 122 and radioactive components 14 are coplanar and radially source drums of 180 degrees opposite each other, in addition to their 14 and the angle between the radioactive components are 90 degrees. 本实施例的图像引导装置包括发射端和接收端，发射端安装于第一图像引导装置安装通孔内，接收端安装于所述第二图像引导装置安装通孔内，进一步的，本实施例的图像引导装置可为DR数字X线成像系统，更进一步的可为CBCT锥形束CT成像系统。 Image-directing device of the present embodiment includes a transmitting end and a receiving end, the transmitting end to the first mounting means mounting the image guide through-hole, the receiving end is attached to the second image-directing device is mounted through hole, further, the present embodiment image-guided device for DR digital X-ray imaging system further for CBCT cone-beam CT imaging system.
 进一步的，参见图4及图6所示，本实施例的治疗设备主体I还设置有一模拟源组件14a，该模拟源组件14a具有与放射源组件14相同的结构和安装形式，其同样设有模拟射源体、模拟射源体轴及模拟放射源齿轮，其与放射源组件14之间呈180度相向对称的安装于源体滚筒12上的圆锥型通孔内，不同的是，放射源组件14的射源体的放置孔中安装的是放射源，而模拟源组件14a中设置的是光源，比如激光灯，旋转源体滚筒12，将放射源组件14和模拟源组件14a位置对调，可通过（激光）灯光野实现射线路径和焦点的可视化、治疗过程的直观模拟，此外采用灯光野也能满足初步的射野验证和相关的核物理实验验证需求。  Further, see Figure 4 and Figure 6, the main treatment device I of the present embodiment is also provided with an analog source components 14a, 14a of the analog source component has the same structure and installation forms and sources assembly 14, which The same body has simulated radiation source, radiation source body axis analog and analog sources gears 180 degrees opposite symmetrical cone attached to the source body through-hole 12 between the drum 14 with the radioactive component is different placing radioactive components radiation source 14 holes on the body is filled with radioactive sources, while the analog source assembly 14a is set in a light source, such as laser light, the rotary source body drum 12, the radiation source assembly 14 and an analog source component 14a position reversed, by (laser) light ray paths and wild achieve focus visualization, visual simulation of the treatment, in addition to the use of lighting field but also to meet the initial radiation field verification and related demand for nuclear physics experiments.
 参见图7所示，本实施例的准直体滚筒13为圆柱筒状，可绕其中心轴旋转，其包括一弧形准直器131，可随准直体滚筒13旋转而旋转，该准直器可为弧形多叶光栅或者圆形野准直器；弧形多叶光栅可由多对叶片和多组微电机组成，其叶片的纵截面对于大射野的设计需求来说可以呈弧形分布，排列成扇形或球冠状，对于小射野的设计需求也可以呈直线分布，排列成平面状，调整弧形多叶光栅各叶片的行程以形成不同形状的射野，可达到适形调强的功能，而配合每个叶片的运动速度还可以实现动态调强；弧形多叶光栅也可以更换成圆形野准直器，其上开设有不同大小的圆锥孔以形成不同尺寸的圆形野，通过旋转准直体滚筒13可选择适合尺寸的圆形野。  shown in Figure 7, the collimating body 13 of the roller 131 of the present embodiment, the collimator can be rotated with the drum 13 rotates in a cylindrical body cylindrical, rotatable about its central axis of rotation, which includes an arcuate collimator The collimator may be a curved or rounded wild MLC collimator; curved multi-leaf collimator may be more and more groups of blades consisting of micro-motor, a longitudinal section which leaves a large portal to the design requirements for It can be curved distribution, arranged in fan-shaped or spherical cap, for small radiation field design needs to be distributed linearly arranged in a planar, adjust the blades curved multi-leaf collimator stroke to form different shapes of the radiation field can be achieve conformal intensity modulated function, and with the movement speed of each blade can also be dynamically adjusted to achieve strong; curved multi-leaf collimator can be replaced with a circular field collimator, on the creation of different sizes to form a tapered bore wild round of different sizes, by rotating collimator choose the appropriate size of the roll 13 round wild. 准直体滚筒13上还固设有与该准直器131相向设置的配重块132，使得准直体滚筒13质量分布均匀，能在转动时保持平稳，同时，也可在治疗状态时将其预先运行至放射源组件下方，将需保护敏感组织的放射角度进行遮挡；该配重块132设有一平台，该平台的平面朝向准直器131，可在将配重块132旋转至下方后，将该平台作为核物理测试的平台，通过在平台上作各种标识及工装，能方便的进行核物理测试，如放置三维水箱，校验等中心位置等。 Collimator roller 13 is also provided with the solid collimator 131 opposite each other with weights 132 such collimator cylinder 13 mass distribution, can maintain stable in the rotation, but also in the treatment of state will After the counterweight 132 has a platform, the platform toward the plane of the collimator 131 in the counterweight 132 is rotated to the bottom; its run to the bottom of radioactive components in advance, the need to protect the organization's sensitive radiation shielding angle , the platform as a nuclear physics test platform for a variety of logos and tooling through the platform, to facilitate the conduct of nuclear physics tests, such as placing a three-dimensional tank, check other central location. 准直体滚筒组件13在径向上形成的两开口端133、134，为图像引导装置留出影像采集空间，该两开口端133、134位于准直器131及配重块132之间，分别与准直器131呈90度分布，第一、二图像引导装置安装通孔121、122之间的连线穿过该准直体滚筒组件的两开口端133、134，以便图像引导装置对位于放射治疗设备主体内的病灶进行实时监控引导。 Collimator two open ends of the roller assembly 13 in the radial direction is formed 133,134, leaving the image guide image acquisition space, the open ends 133 and 134 are located between 131 and 132 collimator with weights, respectively collimator 131 90 distribution, first, the connection between the two images 121 and 122 guide attachment holes through the two open ends of the collimator roller assembly 133,134 for image guided radiation means located focus treatment device within the body to guide real-time monitoring.
 进一步的，参见图4及图8所示，屏蔽体滚筒11在径向方向上开设有相向对称设置的两个装源孔111，分别位于所述屏蔽体滚筒11的水平两端，装源孔111用作新装及更换放射源组件时使用，也可用于日常维修，以及图像引导装置的调试安装等，该治疗设备主体I还设有两个装源孔堵块18，分别与该屏蔽体滚筒11上的装源孔111配合安装，平常这两个装源孔111都用该堵快18塞住。  Further, as shown in Figure 4 and Figure 8, the shield member to open the drum 11 has two opposing sources mounted symmetrically disposed holes 111 in the radial direction, are located at both ends of the horizontal shield 11 of the drum, loading source hole 111 is used as new clothes and used to replace the radioactive component, can also be used for routine maintenance, and debugging installation image guiding device, the treatment apparatus body I also fitted with two sources hole blocking block 18, respectively, and the shield roller mounted on 111 sources hole 11 with installation, usually two source holes 111 are fitted with the plug 18 plugged quickly.
 参见图9所示，源体滚筒12及准直体滚筒13在轴向的两端面上分别固设有同轴的源体齿环121、准直体齿环132，该源体齿环121、准直体齿环132分别与源体滚筒电机(图未示）及准直体滚筒电机（图未示）配合，并分别被其驱动旋转，实现屏蔽体滚筒11、源体滚筒12及准直体滚筒组件13之间的相互旋转，该源体滚筒电机及准直体滚筒电机均设于地面4以下，安装于安装底座3上，减小了噪音，由于每个滚筒均采用单独的驱动电机，避免了动态走线。  Referring to Figure 9, the source body and collimator body drum 12 in the drum 13 is provided at both ends of the solid surface in the axial direction of the source body coaxial toothed ring 121, respectively, collimator ring gear 132, the source material tooth ring 121, the collimator ring gear 132, respectively, the source body drum motor (not shown) and the collimator drum motor (not shown) with, respectively, driven by its rotation, achieve shield cylinder 11, the source body drum 12 and collimator rotation of the roller assembly 13 between each other, the source body and collimator drum motor drum motor are located on the ground below 4, mounted to the mounting base 3, reduced noise, since each cylinder are used alone The drive motor, avoiding dynamic traces.
 回请参阅图4及图5所示，安装底座3固设于地板4以下，屏蔽体滚筒11及源体滚筒12部分设于地板4以下，此时源体滚筒12的地下部分形成一屏蔽室，当设备停止工作时，可将放射源组件14旋转至地下部分存储，加强了屏蔽效果，减小了对周边环境的放射污染。  Please refer back to FIG. 4 and FIG. 5, the mounting base 3 fixed on the floor 4 or less, the drum 11 and the source shield member 12 provided in the floor portion of the drum 4 or less, when the underground part of the source body drum 12 is formed a shielded room, when the device stops working, the radiation source assembly 14 can be rotated to the underground part of the storage, enhanced shielding effect, reducing the radioactive contamination of the surrounding environment.
 安装本发明放射治疗设备时，治疗设备主体I及治疗床2均固定安装于安装底座3上，安装好后的治疗床2可以围绕固定的旋转中心实现水平方向上± 25度旋转摆位，治疗设备主体I及治疗床2均安装好后，可进行整机工厂调试，完毕后，再现场整体吊装，节省了安装调试时间。  When installing radiotherapy apparatus of the present invention, the apparatus body treatment I and treatment bed 2 are fixedly mounted to the mounting base 3, installed after the treatment bed 2 can achieve about a fixed center of rotation in the horizontal direction ± 25 degree rotation pendulum bit, therapy equipment and treatment bed 2 subject I have installed, you can debug the whole plant, after completion, and then lifting the whole scene, saving installation time.
 以下结合附图对本实施例放射治疗设备的具体工作过程进行说明：  the following with reference to the specific operation of this embodiment of the radiation therapy equipment will be described:
 在治疗开始前电机驱动源体滚筒及准直体滚筒组件同步转动，本实施例图像引导装置根据需要对位于治疗床上的患者进行不同角度的DR影像采集或着360度整周的CBCT影像采集，将采集到的影像信息输入至图像坐标配准系统中进行校正，及时调整患者的体位及三维治疗床的坐标值，实现治疗前的靶点精确定位。  before the motor drive source collimator drums and drum assembly rotate synchronously at the beginning of treatment, for example, the image needed to guide treatment of bed patients located at different angles DR image capture or the entire 360-degree circumference of CBCT of this embodiment in for image acquisition, the collected image information input to the image coordinate registration system calibration, to adjust the coordinate values of the patient's position and three-dimensional treatment beds to achieve precise positioning of targets before treatment.
 治疗时，源体滚筒电机驱动源体滚筒12旋转，带动放射源组件14绕源体滚筒12的中心轴旋转，即产生射线公转，此时与放射源组件14上放射源齿轮141相啮合的放射源齿环171处于静止状态，导致放射源齿轮141在放射源齿环171卡齿的作用下绕其自身中心轴旋转，从而带动放射源组件14绕其自身中心轴旋转，于是，射线在公转的同时产生自转，实现了360度范围内的任意旋转式拉弧动作。  treatment, the source body drums drum motor drive source 12 rotates, driven radioactive source assembly 14 about the central axis of the body 12 of the rotary drum, which produce radiation revolution, this time with 14 141 radioactive sources gear assembly relative ring gear 171 meshing sources in a quiescent state, causing the gear 141 radioactive sources under the action of the ring gear teeth 171 cards rotate about its own center axis, thereby stimulating radiation source assembly 14 about its central axis, thus, radiation produce rotation revolution at the same time, allows any rotary arcing motion within the range of 360 degrees.
 当源体滚筒12在任意角度静止，放射源驱动电机驱动其输出齿轮172转动，从而带动放射源齿环171绕其自身中心轴即源体滚筒中心轴旋转，再进一步带动放射源齿轮141绕其自身中心轴旋转，从而带动放射源组件14绕其自身中心轴旋转，即产生射线自转，实现了任意角度的定点旋转照射动作。  When the source body drum 12 at any angle stationary sources driving motor to rotate the output gear 172, which led to radioactive toothed ring 171 about its central axis that is the source body drum central axis, and further promote the sources gear around its own central axis of rotation 141, so as to drive radiation source assembly 14 about its own central axis of rotation, i.e., rotation rays generated realized rotary irradiation point of operation at any angle.
 当源体滚筒电机和放射源驱动电机均作用时，则可通过调节其转速来控制源体滚筒12和放射源组件14的转速，根据临床需要来实现不同公转和自转速度的组合。  When the source body drum motor and drive motors are action sources can be controlled by adjusting the speed to the speed source 12 and the radiation source assembly drum 14, according to clinical need to implement different combinations of revolution and rotation speed.
 如果在旋转拉弧的路径上遇见有敏感组织需要回避保护的情况，可以采取临时措施，将经过此路径时的放射源组件14的射线关闭，等通过这段路径后再将其打开，以此来实现360度不间断的旋转。  If you met on a rotating arcing path sensitive organizations need to avoid the protection can take temporary measures to radioactive components have been shut down this path of rays 14, and so on through this path then turn in order to achieve 360-degree continuous rotation. 其中关闭放射源组件14的同时也可以将准直体滚筒13上的配重块132预先旋转至敏感组织的路径处加以遮挡，提高敏感组织的受保护能力。 Which closed radioactive source assembly 14 also can be collimated drums with weights 13 132 previously rotated to sensitive tissues to block the path of the improved capacity of the protected sensitive tissues.
 在治疗过程中，本实施例的图像引导装置也可以对患者实现动态影像采集，对病灶及正常组织在治疗期间的状态实现实时监控，通过将定时采集到的信息输送至坐标配准系统进行配准处理，同步反馈至治疗床2的坐标控制系统，使得治疗床2能够同步跟踪患者病灶的变化规律，及时调整治疗床2的三维坐标值，让照射野紧紧“追随”靶区，从而实现实时精确治疗。 Image-directing device  In the course of treatment, the present embodiment can be patient dynamic image acquisition, lesions and normal tissue status during treatment of real-time monitoring, by the timing of the acquisition to the delivery of information to coordinate registration the registration processing systems, synchronous feedback control system to coordinate treatment bed 2 so that the couch 2 can be synchronized to track changes in patients with lesions of the law, timely adjustment of the couch three-dimensional coordinate value of 2, so that the radiation field closely "follow" target in order to achieve accurate real-time treatment. 同时，由于能实现图像实时引导治疗，本实施例的放射治疗设备能适用于头部和体部病患的治疗。 Also, because to achieve real-time image guided therapy, radiation therapy device of the present embodiment can be applied to the head and body of the patient's treatment.  本实施例的图像引导放射治疗设备通过在源体滚筒上设置能提供射线的放射源组件与图像引导装置，并带动放射源组件及图像引导装置围绕治疗床360度整周旋转，实现了对患者360度范围内的影像跟踪及在治疗过程中的实时监测、靶点随动，从而达到了图像引导下精确放射治疗的目的。 Image guided radiation therapy equipment  This embodiment can provide by setting ray radiation source assembly guide means on the source image drums and drive means radioactive components and image-guided therapy bed around the entire circumference of 360 degrees of rotation, achieve patient tracking for image 360 degrees and real-time monitoring during treatment, and target follow, so as to achieve the purpose under precise image guided radiation therapy.
 以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。  The above-described preferred embodiments of the present invention, it is not intended to limit the present invention, any modifications within the spirit and principles of the present invention made, equivalent replacement and improvement, etc., should be included in this within the scope of the invention.
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