DICOM PS3.3 2021b - Information Object Definitions

C.36.14 C-Arm Photon-Electron Delivery Device Module (Current)
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### C.36.14 C-Arm Photon-Electron Delivery Device Module

The C-Arm Photon-Electron Delivery Device Module contains C-Arm-specific parameters pertaining to the physical device. These parameters are used to specify or record photon and electron treatments, including geometrical parameters of the collimation system.

Table C.36.14-1. C-Arm Photon-Electron Delivery Device Module Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Radiation Source-Axis Distance | (300A,0640) | 1 | Distance in mm from the nominal Radiation Source location to the gantry rotation axis.
Include Table C.36.2.2.7-1 “Radiation Generation Mode Macro Attributes”. | Radiation Type Code Sequence (300A,067F) DCID 9525 “Radiation Therapy Particle”. Energy Unit Code Sequence (300A,0684) DCID 9521 “Radiotherapy Treatment Energy Unit”. Radiation Fluence Modifier Code Sequence (300A,0683) DCID 9549 “Radiation Generation Mode Types”.
Include Table C.36.2.2.8-1 “RT Beam Limiting Devices Definition Macro Attributes”. | Device Type Code Sequence (3010,002E) within RT Accessory Device Identification Macro DCID 9541 “Beam Limiting Device Types”.
Include Table C.36.2.2.10-1 “Wedges Definition Macro Attributes”.
Include Table C.36.2.2.12-1 “Compensators Definition Macro Attributes”.
Include Table C.36.2.2.13-1 “Blocks Definition Macro Attributes”.
Include Table C.36.2.2.14-1 “RT Accessory Holders Definition Macro Attributes”.
Include Table C.36.2.2.15-1 “General Accessories Definition Macro Attributes”.
Include Table C.36.2.2.16-1 “Boluses Definition Macro Attributes”.

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DICOM PS3.3 2021b - Information Object Definitions