IRIS (Interactive Radiotherapy
Imaging System), is a dynamic imaging system with a high
level of contrast and sensitivity, used in cancer therapy
to monitor the patient's position during treatment with
IRIS improves the
quality of the treatment and increases the patient's survival
This new compact
dynamic imaging system, capable of producing up to 10
images/second, is based on a large area pixel matrix,
manufactured in thin amorphous silicon.
The images are
directly displayed on the PC monitor and archived in a
digital form using IRIS-View, a very user-friendly image
IRIS, telemedicine - "remote medicine" - is possible
: the medical information can be transferred through PACS
or Internet networks.
IRIS is independent from accelerator builders.
IRIS, easily integrated in any standard
medical accelerator equipment for radiotherapy, provides
real-time high-speed images.
It allows on-line identification and correction
of small (~1 mm) shifts of the treatment field, and real-time
monitoring of internal organ movements.
As a result, the risk of irradiating healthy
tissues diminishes and the efficiency of the treatment increases.
IRIS maps the exit dose on-line, and records
the delivered dose from one session to another.
IRIS ensures quality control for IMRT (Intensity Modulated Radiation Therapy).
The rotation of the accelerator around the patient
is possible thanks to this set-up.
The cables, usually hidden in the aluminium tube under the
detector, are intentionally visible in the picture to show
the simplicity of the system.
• Energy band : up to 30MeV
• High dose rates
• Dynamic visualization
• Acquisition rate : from 4 to 12
images per second
• Active surface : 20 cm x 20 cm
and 41cm x 41 cm
• ADC resolution : 16 bits (65536
• Compact design.
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