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TECHNICAL SPECIFICATIONS FOR HIGH ENERGY LINEAR ACCELERATOR SUITE WITH
MLC, IMRT, SRS & SRT CAPABILITIES, TREATMENT PLANNING SYSTEM
Mandatory Requirements
1. The quoted model should be FDA approved.
2. The quoted model should have been type approved by AERB.
3. FDA & AERB Type approval certificates should be enclosed with the bids.
General Requirements
1. The vendor may quote multiple models if satisfying the specification.
2. The company supplying the unit should be a reputed one with at least 5 similar units already
installed and functioning in the country. Customer reports issued by reputed hospitals should be
enclosed.
3. The IMRT unit quoted in the main offer should have a modular feature and should be
upgradable to the kV-based IGRT capability .
4. The same should be quoted as V-MAT based IGRT capability.
The following features should also be part which should include add on type:
- MLC 3mm or less for SRS & SRT capabilities with treatment planning system and
accessories.
- MLC may be add-on or integrated with Linear Accelerator.
In case the vendor is providing only integrated MLC with leaf size 3 mm or less, kindly
state if there are any field size restrictions for regular IGRT and IMRT treatment as well as
for SRS and SRT also state the solution you have to overcome the same.
- Upgrades include all H/w, S/w and necessary permanent licences for their successful
working and the vendor should demonstrate and commission these features.
- The Add on MLC/integrated MLC offered should have at least 5 similar units working / Supplied in
India (copy of the user list must be enclosed).
TECHNICAL SPECIFICATIONS FOR HIGH ENERGY LINEAR ACCELERATOR SUITE WITH MLC,
IMRT AND SRT CAPABILITIES
The dual mode medical linear accelerator should be able to perform various specialized treatment
techniques such as:
1. Three Dimensional Conformal Radiotherapy (3D CRT)
2. INTENSITY MODULATED RADIATION THERAPY (IMRT)
3. Photon Arc Therapy
4. The quoted LINAC should be upgradable to IGRT and VMAT.
Hence, the Linear Accelerator should be the latest, upgradeable, multimodel, Dual with third optional
photon energy with multiple electron energies with the following minimum technology requirements:
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Klystron / Magnetron as the RF power source
Demountable gridded electron gun for cost effectiveness.
Sealed Ionization chambers for stable and accurate output is preferred
In case open to air ion chamber is offered by the manufacturer, then special 10 years warranty
should be offered for both photon & electron ion chambers.
Single or hypo fractionated treatments should be possible (software upgrades).
Intensity-modulated radio-surgery for brain and spinal tumors facility should be available
The system should enable sub-millimeter accuracy treatment
IMRT treatment execution should be possible with the following modes: multiple static step and
shoot fields, dynamic MLC fields, IMAT.
The features in the LINAC should be upgradable to advanced features like VMAT in single
rotation.
Advanced features, available now, should be quoted separately as optional.
1. PHOTON BEAM CHARACTERISTICS
1.1. Beam Energies
The accelerator shall be capable of producing dual with third optional clinically useful
photon beams with energies:
 6 MV and 15 MV mandatory with optional third energy being either 4MV or 10 MV
The minimum characteristics of 6 MV and 15 MV beams for a 10 x 10 cm2 field at 100 cm
TSD should be as follows: