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Users Manual Part 7

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IBA | H-4 |
Clinical User’s Guide
Volume 1 - Treatment Session
Glossary of Terms
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Common Desktop Environment (CDE)
The Hewlett Packard user interface that coexists on Central Management
Workstation 1 with the PTS user interface. See also: Central Management
Workstation, Proton Therapy System.
Configuration Table (CT)
A software tool used to update clinical parameters and system parameters.
Continuous Wave
Proton beam that is provided unmodulated.
Coordinate System (CS)
Depending on the release deployed at your center, the Treatment Control System
(TRCS) supports the Fixed Reference System, IEC Table Top coordinate system,
Table Top Coordinate System, Gantry Coordinate System, X-ray A Coordinate
System, X-ray B Coordinate System, and X-ray C Coordinate System. See also:
Treatment Control System, Fixed Reference System, Table Top Coordinate System,
Gantry Coordinate System.
Counterclockwise (CCW)
Rotation in a direction opposite to that in which the hands of a clock move.
Counter dee
Counter dees are attached to the magnet sector on each side of each dee. Counter
dees resonate at the 4th harmonic of the ion orbital frequency. See also: Accelerator,
Dee.
Crowbar
An electrical shorting device installed on the output of some power supplies. When
tripped, a crowbar clamps the output voltage to common. See also: Radio Frequency,
Final Power Amplifier.
Cubic Feet per Minute at Standard Conditions (scfm)
Referenced to a pre-specified pressure, temperature, and relative humidity. In most
cases, SCFM is referenced to 14.7 PSIA, 68°F, and 0% relative humidity. By
specifying these parameters, the mass flow of compressed air and gas systems is
clearly defined.
Cyclotron / Beam Transport Vault (CBTV)
The shielded room where the accelerator (cyclotron), Energy Selection and Beam
Transport System (ESBTS), and static beam line are located. The Switchyard is an
area of the CBTV where the static beam line and some of the electronics interfaced
by the Treatment Control System (TRCS) are located. See also: Accelerator.