DICOM PS3.3 2024b - Information Object Definitions
C.36.2.2.9 RT Beam Limiting Device Opening Macro

Table C.36.2.2.9-1 specifies the Attributes of the RT Beam Limiting Device Opening Macro, which define the opening created by RT Beam Limiting Devices at a specific Control Point or set of Control Points.

Table C.36.2.2.9-1. RT Beam Limiting Device Opening Macro Attributes

Attribute Name

Tag

Type

Attribute Description

Number of RT Beam Limiting Device Openings

(300A,0657)

1C

Number of RT Beam Limiting Device Openings in the RT Beam Limiting Device Opening Sequence (300A,0656).

Required if Number of RT Beam Limiting Devices (300A,0641) is present and has a non-zero value.

RT Beam Limiting Device Opening Sequence

(300A,0656)

1C

Beam limiting device (collimator) settings defining the opening for the current Control Point.

Required if Number of RT Beam Limiting Device Openings (300A,0657) is present and has a non-zero value and the conditions in Section C.36.2.2.5.1.1 are satisfied.

The number of Items included in this Sequence shall equal the value of Number of RT Beam Limiting Device Openings (300A,0657).

>Include Table C.36.2.2.20-1 “RT Beam Limiting Device Opening Definition Macro Attributes”.


DICOM PS3.3 2024b - Information Object Definitions