Page 16
Dual 24" Diameter Lighthead Positioning
Fixtures containing dual 24" diameter lightheads
require some special positioning considerations.
The small diameter of the lightheads allows the light
source to be more easily obstructed by the surgical
staff. It is very important that the surgical site
remain illuminated even though the head and hands
of the surgeon and the surgical staff may be directly
in the central light beam path. In order to minimize
shadowing, the lightheads should be positioned so
that their light beams are angled into the surgical
cavity. Regardless of the surgical site, these lights
should be positioned to maintain an angle of ap-
proximately 30° about an imaginary line running
perpendicular to the bottom of the surgical site. See
figure 15.
Figure 16.
Figure 15.
Tilting the lightheads will give a larger light beam
angle. See figure 16. Final positioning and focus
adjustments can be done by the surgeon using the
sterile focus/positioning handles. Focus controls
should be positioned where easily reached by non-
sterile personnel.
30˚ 30˚
30˚
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