LIAC HWL - mobile IOeRT accelerator
LIAC HWL is the latest and most advanced model of SIT mobile electron linear accelerators: a reliable device to implement a modern and successful IOeRT program. LIAC HWL is available in two models: -model 10 MeV, with energies 4, 6, 8 and 10 MeV; -model 12 MeV, with energies 6, 8, 10 and 12 MeV.
A set of applicators (beam collimators) is provided with different diameters (from 3 to 12 cm). Each applicator consists of an applicator holder and applicator terminal, the latter one available with bevel angles of: 0 °, 15 °, 30 ° and 45 °.
The appropriate energy and applicator selection allow to treat any volume of clinical interest (target) with a thickness up to 3.8 cm inside the 80% isodose(up to 3.2 cm inside the 90% isodose)
Dimensions and weights are extremely limited and allow full and smooth operation in any operating room. The LIAC HWL’s flexible architecture also allows to easily perform hard-docking procedures in any position, as well as treatment of any district.
The accelerator’s high mobility, together with the use of a high dose rate (IOeRT irradiation time is less than 2 minutes) ensures the implementation of faster and more reliable operating procedures.
LIAC HWL has been specifically designed in order to minimize stray radiation. No additional barrier, nor mobile neither fixed, is needed inside the operating room.
Thanks to the possibility of performing a numerical commissioning already during the acceptance phase, as well as ease of installation (no work adjustment is required), LIAC HWL permits to carry out the first IOeRT treatment only 5 days after delivery of the system to the hospital
More than 20,000 patients diagnosed with neoplastic diseases have been treated worldwide. Two protocols developed for the treatment of breast cancer are adopted internationally: the ELIOT protocol for single dose, and the HIOB protocol for the boost.
Adequate energy and applicator selection allows the target treatment with a thickness of up to 3.8 cm inside the 80% isodose (up to 3.2 cm inside the 90% isodose). The radioprotection disk temporarily inserted between the mammary gland and the chest wall fully protects the healthy tissue underneath.
NO LONGER MOVING THE PATIENT FROM THE SURGICAL TABLE
WEIGHT OF MOBILE UNIT is 550 kg only: the impact in the operating room is minimal, and no structural changes are necessary.
TRANSPORT INTO ANY STRETCHER ELEVATOR: the LIAC HWL mobile unit dimensions are 210 x 76 x 180 cm.
FUNCTIONALITY OF THE SYSTEM IN MULTIPLE OPERATING ROOMS: the system can be quickly moved via the dedicated remote control and utilized in any operating room, thus maximizing its employment.
5 DEGREES OF FREEDOM:
- 3 independent degrees of freedom of the radiant head (elevation, roll angle and pitch);
- 2 degrees of freedom of the mobile unit (shift on the plane) permit to easily reach any district.
It is based on a Monochromatic Beam Simulation Library.
LIAC HWL Monte Carlo Simulation by means of optimization algorithm and four experimental PDD reconstructs LIAC HWL Spectrum and generates the entire dosimetric characterization.
Greatly speeds up the Commissioning Process.
Only random checks are needed.
< 0.2 μSv/Gy @ 3m distance
in patient plane
The high workload is always possible with any floor thanks to the
modular beam absorber.
HWL Technology patented in 2018
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