Quality Assurance
The output parameters of our T-105, T-160, T-200 and T-300 systems
are permanently monitored during operation. A network of quality
assurance measures ensures a high standard of safety. The following
modules are part of the integrated quality assurance system in our
equipment:
Daily Function Test
When the system is
switched on, all relevant sensors and actuators are subjected to an
automatic function test. The equipment is then started up at high
voltage. This automatic procedure ensures that the tube reaches its
operating temperature, and the dielectric strength test can be
performed. Treatment of patients is possible only when all tests have
been successfully carried out.
Permanent Monitoring
A
built-in dosage monitor monitors the beam quality and shuts down in the
event of a fault. The stable HT-transformer regulates tube voltage and
tube current permanently within the tightest tolerances. The high
voltage generator detects faults automatically, reports errors in plain
text, and switches off for safety in case of fault. The interlock
circuit monitors the external conditions permanently and reports any
faults.
Long-term Stability
A built-in dosage monitor monitors the beam quality and shuts down in the event of a fault.
Cyclical Constancy Testing
A specially designed device
to test constancy enables rapid and reproducible detection of the
parameters and radiation dose rates of the useful beam, as well as the
beam quality. The device has a PMMA scattering body, with two measuring
points for the Farmer chamber, and can be inserted directly into the
tube holder of our T-160, T-200 and T-300 systems.
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