LIGHTMED TruScan Pro – Operator’s Manual Rev. No. 01 Page 97 of 109
• If the delivery of the laser does not produce satisfactory tissue effect, then increase the pulse
duration first, and then the power level. The aim is to produce a grey-white burn.
• Any assistant personnel in the treatment room should always wear appropriate laser safety
glasses suitable for this laser system while the laser unit is in use.
• The laser warning sign should be clearly hung outside the treatment room to meet the
requirements set for the country the laser is being used in. Generally, the warning sign should
state: “Danger! Caution Laser Radiation, avoid eye or skin exposure to direct or
scattered laser radiation.”
• The laser can coagulate blood vessels up to 1.5 mm in diameter. For larger diameter vessels,
coagulation may be difficult, so other means such as electrocautery may be needed.
• When treating a patient’s eye, ensure that untreated eye is covered with a protective shield
from the unwanted laser reflection that can lead to irreversible eye damage.
• Avoid directly firing the laser onto the flammable liquids or gases.
• Avoid any wet conditions near the laser console or footswitch. Although the footswitch is rated
IPX8, it is still not recommended to use in wet conditions to avoid multiple electrical hazards.
• Safety measures should be taken during any surgical process. All personnel should always
wear the protective gears such as, gown, cap, mask, latex gloves, and safety goggles.
o Caution! Laser plume may contain viable tissue particulates.
• When positioning the laser for treatment, always keep the aiming beam in a good focus so
that the resultant tissue effect is clinically satisfactory.
• The laser beam divergence from the Endoprobe is higher in air than in a fluid medium. When
using the Endoprobe in air, a higher power setting is required to get an equivalent burn as
seen on the retina at a given distance.
• When using the LIO, always ensure that the headpiece is adjusted to be firmly fit to the
doctor’s head so that good control is always maintained over the beam positioning. It is normal
for the illumination lamp housing can get warm.
• When using any laser contact lens in treatments, it is essential that they are effective and
suitable for the procedure with this laser system. The individual lens coating may affect the
treatment performance quality, which may then result in poor treatment.
• The optical fibers that connect from the any LDU to the laser console must always be treated
with care. Never try to bend the fibers into loops smaller than 200 mm in diameter. Instead,
just leave them loose or draped over a suitable surface. Never allow a fiber to run along the
floor or to be in walkways where they could be stepped on or crushed with the table wheels.
Also ensure that the fiber ends are kept covered whenever they are not inserted in the laser
unit so that they remain clean, which will ultimately extend their lifetime. Avoid touching the
fiber ends as this may leave deposits on them, which can cause damage when the laser is
fired into the fiber.
6.3 Possible Side Effects or Adverse Reactions
During or following surgical treatments with the TruScan Pro laser system, there are some
potential side effects or adverse reactions worth noting. Similar to any other surgical procedures,
they include:
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