Zeiss VISULAS green, Manual

Page: 16 / 116

2 Safety notes Documentation set
VISULAS green 2.6 Hazard due to coherent laser radiation
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2.6 Hazard due to coherent laser radiation
2.6.1 General information
This system is a class 4 laser device. For this reason, the operator
must take precautions to prevent injuries or damage. Applicable
national and international regulations must be observed.
Use the lowest possible power necessary to achieve the desired
effect.
Focus the aiming beam as carefully as possible on the tissue to be
treated. Never trigger the laser if the aiming beam is not clearly
visible in the target area.
Deactivate the therapy beam and always switch the aiming beam
off before changing the applicator or releasing the applicator fibers
from the laser module for any other reason. Please note that
incorrect disconnection of the fiber optic cable when the laser is in
operation may result in a brief discharge of scattered radiation to
the surroundings.
Switch the aiming beam off when the system is not in use.
Because the aiming beam follows the same optical path through
the beam delivery system as the therapy beam, it represents a good
method for checking that the beam delivery system is undamaged.
If the aiming beam spot at the distal end of the laser beam delivery
system is not visible, is weak or appears diffuse, it may indicate
damage to or improper function of the applicator.
2.6.2 Safety officer
The operator and safety officer are responsible for carrying out all
safety measures to prevent injury to the patient, physician in atten-
dance and other persons present during laser operation. Observe
the national regulations in your country.
The responsibilities of the safety officer, who is appointed in writing
by the responsible organization, include:
• Implementation of safety measures
• Instruction of all persons working with the laser in safety
precautions and correct operation of the system
• Marking of the laser hazard area
• Checking the warning signs and equipment
• Correct therapeutic application of the system
• Safekeeping of the key for the key switch
• Safekeeping of the system
• Proper reconnection of the system after relocation