目的：观测加速器治疗床对放疗剂量的影响。
Objective: To investigate the effect of radiotherapy dosage caused by the accelerator table.
利用加速器治疗肿瘤时，通常要在射线束的路径上加入楔形板以改变平野的剂量分布。
When an accelerator is used to treat tumour of illness, the distribution of doses is changed by commonly inserting a wedge into the path of radial beam.
最新的治疗-质子放射治疗-包括一个质子加速器，可以像一个足球场那样庞大。
The latest treatment - proton radiation therapy - involves a proton accelerator that can be as big as a football field.
该同步加速器在费米实验室建造，首例病人于1990年接受治疗。
The synchrotron accelerator was built at Fermilab and the first patients were treated in 1990.
这张照片中，一个病人在美国加州罗马琳达大学医学中心接受治疗，在那里质子加速器全球首次专用于医疗环境。
In this photo, a patient receives treatment at Loma Linda University Medical Center in California, the world's first proton accelerator built specifically for a medical environment.
加速器也用于制造放射性同位素、治疗癌症、生物消毒及放射性碳定年。
Accelerators also used for radioisotope production, cancer therapy, Biological sterilization, and one form of radiocarbon dating.
回旋加速器的能量光束将被引导到5个治疗室中，每个都超过2层楼高。
That cyclotron's energy beam will be directed to five treatment rooms, each over two stories tall.
操作直线加速器，钴60，X-射线和其他放射治疗设备管理辐射肿瘤学家所规定的放射治疗。
Operate linear accelerators, cobalt 60, X-ray and other radiation therapy equipment to administer radiation treatment prescribed by radiation oncologists.
通过对VA RIAN直线加速器故障分析，以便采取有效措施，降低故障率，确保医疗诊断、治疗工作顺利地进行。
We analyzed trouble of VARIAN linear accelerator in order to take the effective action, reduce the failure rate, guarantee the medical diagnosis and carry on the treatment work smoothly.
质子加速器是目前世界上最先进的放射治疗设备。
Proton accelerator is the most advanced radiotherapy equipment.
全世界安装了4750多台瓦里安加速器和模拟系统，每天为超过100，000名癌症患者提供治疗。
More than 4750 Varian accelerators and simulators have been installed all over the world, providing cancer treatments to over 100,000 patients each day.
目的：叙述医院质子治疗设备同步？旋加速器的构造。
Purpose: to describe the structure of a hospital-based proton therapy facility.
我们应用立体定向等中心直线加速器放射神经外科共治疗脑胶质瘤23例。
We had treated 23 patients with brain glial tumors using stereotactic radiosurgery with an isocentric linear accelerator.
现今，许多种成像技术与直线加速器整合在一起，并能在治疗室中自行操作。
Today, many types of imaging can be integrated with linear accelerators and performed in the treatment room itself.
方法：用CT机、激光定位系统、“魔十字”、STAR- 2000三维计划系统和加速器共同完成对肿瘤病人的CT模拟定位和治疗计划的制定。
Method: Make use of CT, laser patient's marking system, magic cross, STAR-2000 3d planning system and accelerator, to carry out CT-based simulation and therapy planning.
目前IGRT设备主要有传统直线加速器结合影像系统、断层放射治疗机和影像引导的立体定向治疗机。
The IGRT equipment comprises traditional linear accelerator combinated with image system, helical tomotherapy and image- guided stereotaxic targeted therapy.
断层调强光栅直接外挂在各类加速器上，装拆方便，配合治疗床的旋转及移动，实现调强放疗。
Tomotherapy MLC attached at serial accelerator directly, is easy to attach and detach, with rotating and moving of a therapy couch, it implement intensity modulated radiation therapy.
经医生确认后把调强治疗计划、剂量验证计划和位置验证计划传输到图像工作站和加速器工作站。
After doctor's verification, IMRT plan, dose verification plan and position verification plan are transferred to the image workstation and accelerator workstation.
剂量监测系统的稳定性和准确性是保证加速器输出剂量的准确度和治疗效果的关键，对剂量监测系统示值线性这一重要指标的检测是十分必要的。
The key for dose output of LINAC to assure the nicety and cure effect is stabilization and veracity of dose inspect, so it is more important to test the dose output linearity.
直线加速器、CT模拟定位机以及三维计划治疗系统是肿瘤放射治疗中的最主要的设备。
The linear accelerator, CT imitates to position the machine and stereoscopic plan treatment system are the equipment of the most that the tumor projects the under medical treatment.
尽管如此，治疗时间不可避免地延长了：当更换时放射外科治疗必须中止，配置各个准直器的直线加速器必须围绕患者运动。
However, treatment will inevitably take longer: radiosurgery is paused whilst the exchange is performed and the linac must be moved around the patient with each collimator fitted.
技术系统包括用作入射器的加速器、高能加速器(可采用同步回旋加速器)、射束输送管、旋转架质子输送和射线管口、治疗床、管制次系统等。
Technical system includes the injector and the accelerator subsystem, synchrotron, beam transport, gantry with beam transport and nozzle, treatment couch and control subsystems etc.
而第一台专门用于治疗的回旋加速器是由比利时的IBA公司和哈佛大学联合开发的，1998年开始在美国麻省总医院(MGH)启用。
The first specialties cyclotron used in tumor therapy is empoldered by IBA (Belgium) and Harvard University, and in 1998 started to use at MGH.
对加速器机头部结构材料处、治疗室空气中的感生放射性水平及有关影响因素的研究现状作了较详细的讨论；
The radiation levels around the treatment head and in the air of the treatment room were discussed thoroughly . Some effects of the induced radioactivity were also mentioned.
1946年，在大型物理研究设备回旋加速器问世不久，就有人试用于肿瘤的治疗。
In 1946, someone tried to use proton beam produced by cyclotron to treat tumors.
1946年，在大型物理研究设备回旋加速器问世不久，就有人试用于肿瘤的治疗。
In 1946, someone tried to use proton beam produced by cyclotron to treat tumors.
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