alignrt - State of the Art in 3D Patient Tracking

A revolutionary 3D imaging solution for patient setup and real time surveillance, providing speed and accuracy, driven through a simple and intuitive user interface. This non-invasive system does not require the use of any markers and adds no further irradiation.

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AlignRT® employs proprietary1 3D imaging technology to produce high resolution and accurate 3D surface data referenced to the treatment isocentre.

AlignRT® utilises two ceiling mounted 3D camera units, designed to image the patient at simulation or treatment. At each treatment fraction, the system images the current patient position instantaneously. AlignRT® is able to gate its image capture so that 3D data are acquired at a reproducible point in the breathing cycle.

State of the art surface matching software registers these data to the reference surface within seconds. Couch shifts are displayed to show inconsistencies between existing and ideal treatment positions. New co-ordinates for the optimal couch position are then displayed and may be applied. Interfaces are available to allow auto adjustment of certain third party treatment couches.

1AlignRT® is protected by granted British patents (GB2390792 and GB2407466) and other patent applications relating to Vision RT’s technology which are pending worldwide.

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Tools are provided to allow the user to compare the treatment position with the reference surface both inside the room and remotely. These include a colour coded display, quantitative statistics and SSD checking functionality.

With the advent of image guidance and higher precision radiotherapy, there is an increasing need for continuous surveillance and the monitoring of any intra-fraction patient movement. AlignRT® provides an advanced real time 3D surveillance capability which may be used remotely from the control room. A continuously updating colour coded display may be viewed throughout treatment. In addition, selected regions of the patient’s surface may be monitored in real time. Any movements outside user defined tolerances are detected automatically.

The DICOM RT import module allows contours extracted from CT to be imported into AlignRT as reference “record” data. PlanRT® provides tools for extracting skin contours, estimating lung contours for breast planning, and for exporting data in DICOM RT format.

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menuarrow Download AlignRT Datasheet PDF (3.25MB)

menuarrow View AlignRT® Video  video1 

menuarrow AlignRT® modules: Find out more about modules which provide additional functionality to the AlignRT® platform product.

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