Radiation Protection; Safety Checks; Functional Check - Sirona ORTHOPHOS SL 2D Service Manual

Sirona Dental Systems GmbH
Service Manual ORTHOPHOS SL
64 95 258 D3632
D3632.076.01.03.02 09.2016
2.11

Radiation protection

The valid radiation protection regulations and measures must be
Safety information for radiation protection: Service engineer
observed. The statutory radiation protection equipment must be used.
During an exposure, the service engineer should move as far away from
the X-ray tube assembly as the coiled cable of the manual release
permits.
With the exception of the service engineer, no other persons are allowed
to stay in the room during an exposure.
In case of malfunctions, cancel the exposure immediately by letting go of
the exposure release button.
NOTICE
Information about radiation protection for Canada
3D imaging should not be used for screening examinations. 3D imaging
examinations must be clinically warranted and each exam must be
justified by demonstrating that the benefits outweigh the risks.
NOTICE
Where it is likely that evaluation of soft tissues will be required as part of
the patient's radiological assessment, the appropriate imaging should
be conventional medical CT or MR, rather than 3D imaging using Cone
Beam technology.
2.12

Safety checks

Once repairs are completed, the circuit breaker test and unit leakage
Safety checks
current test must be carried out (see chapter "Checking the circuit
breaker" and "Checking the unit leakage current").
2.13

Functional check

CAUTION
Be sure to observe the descriptions and safety information given in the
chapter titled "Switch on the unit" and "Test exposures / test images".
Following any form of service and maintenance work, a functional check
must be performed on the device.
Perform the following test steps:
1. Perform a restart of the unit:
–Switch the unit off.
– Wait 1 minute.
–Switch the unit on.
– Wait for the self-test.
2. Perform a 2D test exposure using the needle phantom included in the
scope of supply.
3. Perform a 3D test exposure using the constancy test phantom / DIN
DVT test phantom included in the scope of supply.
2 Safety instructions
2.11 Radiation protection
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