Chapter 6 Safety and Regulatory
Part Number: 0160-6411, Rev A, 02/2019
Page 223 of 314
Software Release: cOS 5.00
6.3 Definitions from ANSI Z136.1-2007
Controlled area (laser):
An area where the occupancy and activity of those within is subject
to control and supervision for the purpose of protection from laser radiation hazards.
Embedded laser
: An enclosed laser that has a higher classification than the laser system in
which it is incorporated, where the system’s lower classification is appropriate due to the
engineering features limiting accessible emission.
Maintenance:
Performance of those adjustments or procedures (specified in the user infor-
mation provided by the manufacturer and considered preventative, to maintain optimal per-
formance of the laser system), which are to be carried out by the user to ensure the
intended performance of the product. It does not include
operation
or
service
as defined in
this section.
Maximum Permissible Exposure (MPE):
The level of laser radiation to which an unprotected
person may be exposed without adverse biological changes in the eye or skin.
Nominal Hazard Zone (NHZ):
The space within which the level of direct, reflected, or scat-
tered radiation may exceed the applicable MPE. Exposure levels beyond the boundary of the
NHZ are below the appropriate MPE.
Nominal Ocular Hazard Distance (NOHD):
The distance along the axis of the unobstructed
beam from a laser, fiber end, or connector to the human eye beyond which the irradiance or
radiant exposure is not expected to exceed the applicable MPE.
Operation:
The performance of the laser or laser system over the full range of its intended
functions (normal operation). It does not include
maintenance
or
service
as defined in this
section.
Service:
The performance of procedures, typically defined as repair, to bring the laser or
laser system or laser product back to full and normal operation status. It does not include
operation
or
maintenance
as defined in this section. The following steps should be taken to
secure the controlled area:
1. Treatment should be conducted in a dedicated, enclosed room.
2. A warning sign should be placed on the outside of the treatment room door when the
laser is in use. The sign is intended to alert personnel before they enter the controlled
area.
3. The treatment room door should be kept closed during treatment, system alignment
verification, and any servicing activity.
4. Windows in the treatment room are to be covered or blocked whenever the system is
operated with the system covers or shields removed.
Содержание Catalys OptiMedica
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