Product category:
Cameras and imaging systems
News Release from: Vision RT | Subject: AlignRT
Edited by the Laboratorytalk Editorial
Team on 21 October 2003
A vision of faster body scanning
3D imaging technology promises reduced radiotherapy waiting lists and more accurate treatment by reducing set-up time in the accelerator
Vision RT's new system for radiotherapy patient alignment should allow rapid positioning with error margins reduced from centimetres to within millimetres, according to data to be presented at the October Astro meeting Norman Smith, CEO of Vision RT, will give a paper on Vision RT's 3D body imaging technology and describe how it can impact positively on the speed and accuracy of radiotherapy treatment, at the 45th Annual Meeting of the American Society for Therapeutic Radiology and Oncology (Astro) in Salt Lake City, USA, on 21 October 2003
This article was originally published on Laboratorytalk on 19 Apr 2006 at 8.00am (UK)
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The information to be presented at the meeting will include data collected at research and clinical test sites to demonstrate how Vision RT's new system for aligning the patient on the treatment couch can reduce set-up time and assist in the delivery of the high energy beam accurate to within mms rather than cms of the target area.
The system could help overcome the two key limiting factors in radiotherapy efficiency, namely set-up time and inaccuracies which lead to damage to healthy tissue arising from the lack of effective patient-positioning technologies.
50% of cancer patients require radiotherapy and radiotherapy rooms cost over £2.5m ($4m) to equip, so facilities tend to be limited.
Further reading
AlignRT receives 510(k) clearance from the FDA
AlignRT, a revolutionary solution for real-time patient positioning and tracking, has just received 510(k) clearance from the FDA
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ABB will be presenting the latest technology from its comprehensive range of instrumentation products and systems at Mtec 2004 (Birmingham NEC, 11-12 February 2004)
At present the significant proportion (up to two thirds) of an appointment is taken up with aligning the patient to the accelerator beam.
Making more efficient use of equipment will allow for shorter appointments and increase patient throughput, which could bring down radiotherapy waiting lists.
Minimising set-up errors should also allow for higher radiation doses to be administered if damage to healthy tissue can be minimised.
The AlignRT product consists of two sets of 3D cameras in each of the simulation and treatment rooms, which feed high-resolution real time 3D contour detail through to a monitor.
An accurate 3D record of patient shape and position is recorded during simulation and calibrated to the treatment iso-centre.
In the treatment room the system matches the reference image with the actual real-time image and calculates optimal couch coordinates to ensure the patient is aligned to the optimal treatment position.
AlignRT is non-invasive, does not require markers of any kind, and does not produce any ionising irradiation so the radiation therapist can be in the room while it is in operation.
The AlignRT can be used in conjunction with all makes of linear accelerators.
Comments David Landau, consultant clinical oncologist, Guy's and St Thomas's Hospital, London: "VisonRT's ability to perform real time, 3D imaging of surface contours has the potential to make a real impact on the delivery of modern radiotherapy".
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