User's Manual Part 1

8065751025 1.17
Constellation
®
Vision System
• The use of flammable anaesthetics or oxidizing gases such as nitrous oxide (N
2
O)
and oxygen should be avoided if a surgical procedure is carried out in the region
of the thorax or the head, unless these agents are sucked away.
• Non-flammable agents should be used for cleaning and disinfection wherever possible.
• Flammable agents used for cleaning or disinfecting, or as solvents of adhesives,
should be allowed to evaporate before the application of HF surgery. Some
materials, for example cotton, wool and gauze, when saturated with oxygen may
be ignited by sparks produced in normal use of the HF surgical equipment.
Illuminator Function
Housed inside Constellation
®
tabletop, the illuminator provides two channels of
illumination from a single xenon arc lamp. Two front panel sockets accept ACMI
compatible fiber optic light guides to provide intraocular illumination.
When installed, an optional illuminator is housed inside Constellation
®
base and
provides two channels of illumination from a single xenon arc lamp.
To gain access for
bulb replacement or servicing, follow directions in section four of
this manual. Be aware that using the illuminator at high settings will reduce the life of
the bulbs.
WARNING!
The illuminator bulbs become extremely hot. Never handle a bulb until it has
cooled considerably from its operating temperature. Do not touch bulb directly
with fingers at any time.
The bulb of the xenon lamp is under constant high pressure. There is a risk it may
burst with explosive force if knocked or damaged. Protective measures:
- Keep the lamp in its protective sleeve at all times during installation
- If you are handling the lamp without its protective sleeve, always wear safety
goggles, a face mask, gauntlets with wrist protectors and a breast protector.