Delta4 Family

Web Name: Delta4 Family






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Welcome to Delta4 by ScandiDos

Our products

The Delta4 Family of products are used in radiation therapy clinics around the world to ensure safe and accurate patient treatment.


Delta4 Insight


Delta4 Phantom+
Delta4 Phantom+ MR
Delta4 HexaMotion

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At treatment

Delta4 Discover


The latest updates from Delta4

Quick and easy evaluation of the 3D dose distribution

USER EXPERIENCE We have met with David Gensanne, Chief Medical Physicist in Radiotherapy and Medical Physic Department at the Centre Henri Becquerel, Rouen. David Gensanne and his colleagues treat around 200 patients [...]

22 August, 2022

New Delta4 software features

The new Delta4 software version* contains several improvements compared to the previous version (1.00.0210). Watch a presentation by Madeline Holm, software product manager at Scandidos, and learn about the new features. Message [...]

4 March, 2022

ScandiDos launches Delta4 Insight which is immediately available to sell to customers in Europe and parts of Asia.

Delta4 Insight provides radiotherapy clinics with an independent QA solution that verifies the accuracy and quality of their treatment plans. Featuring a state-of -the-art Monte Carlo dose engine, enabling exceptional calculation accuracy, [...]

25 February, 2022

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Systems installed






Transmission Detectors for Safer Radiotherapy

In this interview with Professor Bill Salter from the University of Utah we delve into the topic of patient safety in radiotherapy—particularly when it is based on real-time measurements using a transmission detector. Also discussed are the technology’s potential, future capabilities, as well as the time and cost savings that clinics can expect.

The innovative and highly accurate Delta4 Discover transmission detector closely monitors the radiation dose delivered to patients during treatment.

Read more


What our customers say

As a Clinical Scientist, I value the straightforward, meaningful data that Delta4 provides. The new wireless functionality of the Delta 4 Plus makes it so quick and easy to use, it’s even been described by one member of staff as ‘an absolute dream’.

Karen Hawthorn Clinical Scientist, Newcastle upon Thyne Hospitals NHS Foundation Trust

The Delta4 Phantom+ MR is quick and easy to use and gives us confidence that our treatments are delivered just as they are intended.

Wilfred de Vries Clinical Physicist Engineer, UMC Utrecht

After good results of a number of tests, we decided to expand our existing Delta4 Phantom+ portfolio with the MR-compatible Delta4 Phantom+ MR.

Ulf Isacsson Chief Physicist, Uppsala University Hospital

We chose to work with ScandiDos for our internal testing of the Synchrony® feature for the Radixact® System, because they had a robust solution for comprehensive quality assurance of moving targets. We have found the Delta4 Phantom+ and the Delta4 HexaMotion to be convenient, accurate, and easy to use.

Dylan Casey, PHD Director of Medical Physics & Systems Analysis at Accuray Incorporated

We are very much looking forward to using the MR-compatible Delta4 Phantom+ at our Viewray MRIdian Linac as well as at our Elekta and Tomotherapy Linacs to further advance and streamline our patient QA.

Sebastian Klüter, PhD Medical Physicist, Department of Radiation Oncology, Heidelberg University Hospital

The Delta4 Phantom+ is a valuable tool for us at Herlev Hospital. We find great value in having an independent measurement of treatment plans. At Herlev Hospital we now have a complete range of Scandidos' Delta4 products covering TrueBeams, Halcyons and MRIdian.

Ulf Bjelkengren Technical Manager, M.Sc., Medical Physics, Herlev and Gentofte Hospital

The Hexamotion platform allowed for accurate phantom positioning and motion for a wide range of simple and realistic patient motions and The Delta4 phantom was found to be very reliable, easy to setup and allowed for easy analysis of dose delivery accuracy. The combination of the two allowed for validation of the Radixact Synchrony.

Lee Goddard Medical Physicist, DABR, Montefiore Medical Center, Bronx, NY

The design of the device is very clever and a great deal of dosimetric information is available virtually instantaneously after the plan is delivered. The major advantage is the ability to compare the dose at the fraction, beam or even individual segment levels, which allows to quickly evaluate and explain any disagreements.


By using the Delta4 Discover during treatment we can confirm the actual dose in the patient. The real-time dose verification from the Delta4 Discover plays an important role when physicians do treatment planning. They can adapt the plan if they find out that any errors have occurred during treatment.

Dr. Hirofumi Honda Chief physicist, Ehime University Hospital in Japan

Thanks to the Delta4 Discover´s ability to detect errors immediately after treatment, we can perform treatments without any stress or extra efforts like recalculations.

Dr. Hirofumi Honda Chief physicist, Ehime University Hospital in Japan

When implementing the Delta4 Discover it was a very simple characterization process, we did not have to do beam modeling and the automated interfacing with the R&V system enabled a seamless workflow. It is not time consuming in our daily routine and we intend to use it continuously in all treatment fractions, and also use it for our SBRT treatments and implement it in our Machine QA program.

Dr. Edoardo Petrucci Medical Physicist, Ivrea Hospital – ASLT04 in Italy

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