EasyManua.ls Logo

VIEWRAY MRIdian System 4.5 - Page 9

Default Icon
476 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
ViewRay, Inc. MRIdian® system L-0009 Release 4.5 vii
2.16.3 Gauss Line After a Service-End Magnet Quench . . . . . . . . . . . . . . .55
2.17 Fire Safety in the Treatment Room . . . . . . . . . . . . . . . . . . . . . . . . 56
2.18 Measurement Phantom Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
2.18.1 Contact with Phantom Fluid Spills . . . . . . . . . . . . . . . . . . . . . . . . . .57
2.18.2 Risks Due to Aerosol Formation . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
2.19 Radiation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
2.19.1 Radiation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
2.19.2 Exposure Control for Operators . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
2.19.3 Audible Radiation Alert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
2.19.4 Radiation Safety Interlocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
2.20 Emergency Response Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2.21 Unintended Radiation (Stuck Source) Exposure . . . . . . . . . . . . . . 61
2.22 Using the E-Stop in an Emergency . . . . . . . . . . . . . . . . . . . . . . . . . 62
2.23 Emergency Magnet Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
2.23.1 Magnet Emergency Discharge Button . . . . . . . . . . . . . . . . . . . . . . .63
2.23.2 Emergency Quench Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
2.23.3 Rescuing the Patient in an Emergency . . . . . . . . . . . . . . . . . . . . . . .64
Chapter 3:System Coordinates . . . . . . . . . . . . . . . . . . . . . . . .67
3.1 MRIdian® System Coordinates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
3.1.1 Direction Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
3.1.2 Gantry Coordinate System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
3.1.3 Gantry Rotation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
3.1.4 Beam Limiting Coordinate System. . . . . . . . . . . . . . . . . . . . . . . . . . .69
3.1.5 Beam’s Eye View of Multi-Leaf Collimator (MLC). . . . . . . . . . . . . . .70
3.1.6 Orientation of an MLC Relative to the Gantry . . . . . . . . . . . . . . . . .71
3.1.7 MLC Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
3.1.8 Planning and Visualization using Coordinate System. . . . . . . . . . . .73
Chapter 4:System and Administrative Tasks . . . . . . . . . . . . .77
4.1 Starting Up the Planning Consoles . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4.2 Starting Up the Delivery System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
4.2.1 Additional Treatment Delivery Console Checks . . . . . . . . . . . . . . . .81
4.3 Shutting Down the Planning System . . . . . . . . . . . . . . . . . . . . . . . . 82
4.4 Shutting Down the Delivery and MRI Systems . . . . . . . . . . . . . . . . 82
4.5 Logging on to System Administration. . . . . . . . . . . . . . . . . . . . . . . . 84

Table of Contents