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AS
AS/NZS 4495:1997

AS/NZS 4495:1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Radiotherapy equipment - Coordinates, movements and scales

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

27-05-2022

Language(s)

English

Published date

05-10-1997

Publisher

Standards Australia

Preview

1 - AS/NZS 4495:1997 RADIOTHERAPY EQUIPMENT-COORDINATES, MOVEMENTS AND SCALES
4 - PREFACE
6 - CONTENTS
10 - INTRODUCTION
11 - 1 Scope and object
11 - 2 Coordinate Systems
11 - 2.1 General rules
13 - 2.2 Fixed reference system (“f”) (figure 1a)
13 - 2.3 GANTRY coordinate system (“g”) (figure 4)
13 - 2.4 BEAM LIMITING DEVICE or DELINEATOR coordinate system (“b”) (figure 5)
14 - 2.5 WEDGE FILTER coordinate system (“w”) (figure 7)
14 - 2.6 X-RAY IMAGE RECEPTOR coordinate system (“r”) (figures 6 and 8)
15 - 2.7 PATIENT SUPPORT coordinate system (“s”) (figure 9)
15 - 2.8 Table top eccentric rotation coordinate system (“e”) (figures 10 and 11)
16 - 2.9 Table top coordinate system (“t”) (figures 10 and 11)
17 - 3 Identification of scales and digital DISPLAYS
18 - 4 Designation of EQUIPMENT movements
19 - 5 EQUIPMENT zero positions
19 - 6 List of scales, graduations, directions and DISPLAYS
19 - 6.1 Rotation of the GANTRY (figures 14a and 14b)
19 - 6.2 Rotation of the BEAM LIMITING DEVICE or DELINEATOR (figures 15a and 15b)
20 - 6.3 Rotation of the WEDGE FILTER (figures 7 and 14a)
20 - 6.4 RADIATION FIELD or DELINEATED RADIATION FIELD
20 - 6.4.1 Edges of RADIATION FIELD or DELINEATED RADIATION FIELD (figure 16a)
21 - 6.4.2 DISPLAY of RADIATION FIELD or DELINEATED RADIATION FIELD (figures 16a to 16k)
23 - 6.5 PATIENT SUPPORT ISOCENTRIC rotation
23 - 6.6 Table top eccentric rotation
23 - 6.7 Table top linear movements
23 - 6.7.1 Vertical displacement of the table top
23 - 6.7.2 Longitudinal displacement of the table top
23 - 6.7.3 Lateral displacement of the table top
23 - 6.8 X-RAY IMAGE RECEPTOR movements
23 - 6.8.1 X-RAY IMAGE RECEPTOR rotation
24 - 6.8.2 X-RAY IMAGE RECEPTOR radial displacement from RADIATION SOURCE (SID)
24 - 6.8.3 X-RAY IMAGE RECEPTOR radial displacement from ISOCENTRE
24 - 6.8.4 X-RAY IMAGE RECEPTOR longitudinal displacement
24 - 6.8.5 X-RAY IMAGE RECEPTOR lateral displacement
24 - 6.9 Other scales
58 - Annex A - Examples of coordinate transformations between individual coordinate systems
58 - A.1 Designations
58 - A.2 Transformation from mother into daughter system and vice versa
59 - A.3 Transformations from the fixed system into the table top system and the WEDGE FILTER system
63 - A.4 Numerical examples
66 - Annex B - Bibliography
67 - Annex C - Rationale for changes in IEC scales
67 - C.1 History
68 - C.2 Changes in scales
70 - Annex D - Summary of additions and changes to scale statements in IEC 601-2-1, IEC 601-2-11, IEC 976 and IEC 977
71 - Annex E - Terminology

Defines a consistent set of coordinate systems for use throughout the process of teleradiotherapy, to enable equipment to be re-aligned with a previously treated site. The Standard is identical with and has been reproduced from IEC 1217:1996.

This International Standard applies to EQUIPMENT and data related to the process of TELERADIOTHERAPY, includingPATIENT image data used in relation with RADIOTHERAPY treatmentplanning systems, RADIOTHERAPY SIMULATORS, ISOCENTRIC GAMMA BEAM THERAPY EQUIPMENT, ISOCENTRIC MEDICAL ELECTRON ACCELERATORS, and non-ISOCENTRIC EQUIPMENT when relevant.The object of this standard is to define a consistent set of coordinate systems for use throughout the process of TELERADIOTHERAPY, to define the marking of scales (where provided), to define the movements of EQUIPMENT used in this process, and to facilitate computer control when used.

Committee
HE-003
DocumentType
Standard
ISBN
0 7337 1433 1
Pages
61
ProductNote
Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 61217:1996 Identical
IEC 61217:1996+AMD1:2000 CSV Identical

First published as AS/NZS 4495:1997.

AS/NZS 4213.2:1994 Radiotherapy simulators Guidelines for functional performance characteristics (Reconfirmed 2022)

AS/NZS 3200.2.1:1999 Medical electrical equipment Particular requirements for safety - Electron accelerators in the range 1 MeV to 50 MeV
AS/NZS 3200.2.11:1999 Medical electrical equipment Particular requirements for safety - Gamma beam therapy equipment

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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