Machine Definitions
These are the currently proposed definitions of IHE machines for testing. The definitions here have been provided by Varian and are in xml format.
| Machine Name | IHE_V120 | IHE_V120FFF | IHE_ELVHD | |
|---|---|---|---|---|
| Machine Model | Varian 23EX or equivalent | Varian 23EX or equivalent | Elekta VersaHD | |
| Gantry Angle | [0°, 360°) 1) | [0°, 360°) 2) | [0°, 360°) | |
| Collimator Angle | [195°, 165°] | [195°, 165°] | [0°, 360°) | |
| Dose Rate | 100-1000 MU/min 3) | 100-1400 MU/min 4) | 0-400 MU/min | |
| Electron | 9 MeV | 9 MeV | 9MeV | |
| Photon | 6, 18 MV | 6, 18 MV | 6 MV | |
| MLC | ||||
| MLC Model | Millennium 120 | Millennium 120 | Agility 160 | |
| Pairs | 60 | 60 | 80 | |
| Y Offset | -195 to 195 mm | -195 to 195 mm | -197.5 to 197.5 mm | |
| Width | 1-10: 10 mm 11-50: 5 mm 51-60: 10 mm | 1-10: 10 mm 11-50: 5 mm 51-60: 10 mm | 5 mm | |
| X Jaws | ||||
| Width | (none) | |||
| Position | (none) | |||
| Y Jaws | ||||
| Width | ||||
| Position | ||||
| Couch | ||||
| Vertical Limits | -710 to 460 mm | -710 to 460 mm | -750 to 500 mm | |
| Longitudinal Limits | 150 to 1600 mm | 150 to 1600 mm | 0 to 800 mm | |
| Lateral Limits | -250 to 250 mm | -250 to 250 mm | -250 to 250 mm | |
| Angle | 265-95° | 265-95° | 260 - 100° | |
| Accessories | ||||
| Applicators | Yes | Yes | Yes | |
| Compensators | Yes | Yes | Yes | |
| Wedges | Yes | Yes | Yes | |
| Blocks | Yes | Yes | Yes | |
| Compensators | Yes | Yes | ? | |
| XML document | V120 XML | V120FFF XML | ELVHD XML | |
Wedges
| Machine | Wedge ID (300A,00D4) | Wedge Angle (300A,00D5) | Wedge Orientation (300A,00D6) | Source-to-Wedge Tray Distance (300A,00DA) | Orientation (Varian) | Maximum Field Size |
|---|---|---|---|---|---|---|
| IHE_V120 | W60R15U | 60º | 90º | 57.4 cm | Right | 15 cm x 40 cm |
| W60L15U | 270º | Left | ||||
| W60IN15U | 0º | In | ||||
| W60OUT15U | 180º | Out | ||||
| W30R30U | 30º | 90º | Right | 30 cm x 40 cm | ||
| W30L30U | 270º | Left | ||||
| W30IN30U | 0º | In | ||||
| W30OUT30U | 180º | Out | ||||
| EDW20IN | 20º | 0º | N/A | In | 40 cm x 30 cm | |
| EDW20OUT | 180º | Out | ||||
| EDW45IN | 45º | 0º | In | |||
| EDW45OUT | 180º | Out | ||||
| IHE_S160 | 3HBW15 |  |
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| 4HBW45 | |
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| 1RW15 | |
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| 2VW45 | |
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| IHE_ELVHD | MW | 60º | 0º | N/A | In | 21 cm x 16 cm |
Blocks
| Machine | Block Material ID (300A,00E1) | Block Tray ID (300A,00F5) | Source-to-Block Tray Distance (300A,00F6) | Transmission (300A,0102) |
|---|---|---|---|---|
| IHE_V120 | Block_IHE | User X tray | 654 mm | 0.01 |
| User E tray | 950 mm | 0.0 |
Compensators
| Machine | Compensator Material ID | Compensator Tray ID | Source-to-Compensator Tray Distance (300A,00E6) |
|---|---|---|---|
| IHE_V120 | Comp_IHE | Usr 1X -4 | 698 mm |
Applicators
| Machine | Applicator ID (300A,0108) | Applicator Type (300A,0109) | Applicator Aperture Shape (300A,0432) | Applicator Opening (300A,0433) | Source to Applicator Mounting Position Distance (300A,0436) |
|---|---|---|---|---|---|
| IHE_V120 | A10 | ELECTRON_SQUARE | SYM_SQUARE | 100 mm | 654 mm |
| 20mm Cone | PHOTON_CIRC | SYM_CIRCULAR | 20 mm | 654 mm |
3)
Dose rates 800-1000 MU/min indicate SRS primary fluence mode. Do not use for non-SRS beams!
4)
Dose rates 800-1400 MU/min indicate SRS or FFF primary fluence mode. Do not use for non-SRS beams!
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