Due to its accuracy, the TrueBeam® 4.1 system can be used to treat majority forms of tumours, including those located in sensitive areas. For example, lung, liver, lymph nodes, spinal cord, breast, head, neck, abdomen and brain.
Beacon Hospital installed the Varian TrueBeam® 2.7 radiotherapy system in September 2019, the advanced radiotherapy technology from Varian Medical Systems.
With the newly upgraded version to TrueBeam® 4.1, this new generation of linear accelerator can deliver much faster and accurate radiation dose compared to conventional radiotherapy system. TrueBeam® 4.1 rotates around the patient to deliver specifically targeted beams of radiation with pinpoint accuracy. TrueBeam® 4.1 can be used to treat a diverse range of cancers, including tumours of the lung, breast, head and neck, abdomen, liver, and other regions.


Treatments that once took 10 to 30 minutes can now be completed in several minutes. With fast treatment, there is less chance of tumour and patient movement.
The advanced architecture integrates imaging, real-time tracking, respiratory gating, and treatment delivery. This makes the delivery of treatments quickly and accurately while monitoring and adjusting for tumour movement. This is to ensure that radiation is delivered only when the tumour is in the right place.
Advanced real-time imaging technique enables clinicians to monitor the tumour they treat in 3D & 4D, and target tumours with submillimetre accuracy. These images will be used to fine-tune a patient’s position prior to and during the treatment process. It can rotate around the patient to deliver a prescribed radiation dose from nearly any angle.
Its precision is measured in increments of less than a millimetre. The system performs accuracy checks every 10 milliseconds. This helps the radiation oncologist to deliver radiation beam precisely to tumours. Thus, avoiding critical organs and healthy tissue surrounding the tumour and minimising side effects. The system generates images 60 percent faster than older technology, an enhancement that allows the reduction of X-ray dose to the patient by 25 percent.
Laser Guard II is an integrated patient and equipment collision detection system. The system uses and infra-red laser scanning device that continuously monitors the contoured region between the collimator face and the patient. If an object enters the protection zone, the Laser Guard II stops or inhibits motions prior to a potential collision. This is particularly useful when performing remote gantry or couch rotation. The patient can feel more comfortable and relax, listen to their favourite music while being treated.






TrueBeam® is an advanced radiation therapy system that delivers concentrated beams of radiation to tumours in the body. Each TrueBeam® 4.1 treatment consists of a beam of radiation (or collection of beams) generated by a linear accelerator from inside the TrueBeam® 4.1 system.
TrueBeam® allows pinpoint positioning and CT imaging through advanced imaging technology. The treatment beam can be targeted to a tumour from multiple angles to strike the target in a complete three-dimensional way. The goal is to deliver the lowest possible dose to the surrounding healthy tissue, while still releasing the maximum dose to the tumour.
This version of TrueBeam® offers the latest patented technology by Varian known as HyperArc® – High-Definition Radiotherapy, able to offer high-quality linac based radiosurgery treatment.
HyperArc® could irradiate multiple tumours at the same time without repositioning the patient, which provides better management of patient motions while saving time for the patient and the clinical team.
The delivery of a patient’s treatment varies depending on the diagnosis and the site of treatment. Your attending physician will be able to give the detail information on the course of your treatment protocol. Generally, radiotherapy treatment is given 5 times a week and the total length of treatment will be according to your prescribed treatment protocol.
The exact cost of radiation therapy will depend on the type and number of treatments a patient need.
Due to its accuracy, the TrueBeam® 4.1 system can be used to treat majority forms of tumours, including those located in sensitive areas. For example, lung, liver, lymph nodes, spinal cord, breast, head, neck, abdomen and brain.
Radiotherapy, although not painful, can cause uncomfortable side effects. However, with the advancement of the TrueBeam® 4.1 system, these side effects can be minimised. Talk to your doctor about what to expect from your treatment and find out more about your treatment protocol.
