User’s Guide • Aaron 950™ 1-3
WARNINGS:
Fire / Explosion Hazard - T
he following substances will contribute to increased fire and
explosion hazards in the operating room:
• Flammable substances (such as alcohol based skin prepping agents and tinctures)
• Naturally occurring flammable gases which may accumulate in body cavities such as
the bowel
• Oxygen enriched atmospheres
• Oxidizing agents (such as nitrous oxide [N
2
0] atmospheres)
The sparking and heating associated with electrosurgery can provide an ignition source.
Observe fire precautions at all times. When using electrosurgery in the same room with any
of these substances or gases, prevent their accumulation or pooling under surgical drapes,
or within the area where electrosurgery is performed.
Connect the power cord to a properly polarized and grounded power source with the frequency and voltage charac-
teristics that match those listed on the back of the unit.
Electric Shock Hazard - Connect the generator power cord to a properly grounded receptacle. Do not use power plug
adapters.
Electric Shock Hazard - Always turn off and unplug the generator before cleaning.
Fire Hazard - Do not use extension cords.
Patient Safety - Use the generator only if the self-test has been completed as described. Otherwise, inaccurate
power outputs may result.
Failure of the high frequency electrosurgical equipment could result in an unintended increase of output power.
The instrument receptacles on this generator are designed to accept only one instrument at a time. Do not attempt to
connect more than one instrument at a time into a given receptacle. Doing so will cause simultaneous activation of
the instruments.
Use the lowest output setting necessary to achieve the desired surgical effect. Use the active electrode only for the
minimum time necessary in order to lessen the possibility of unintended burn injury. Pediatric applications and/or
procedures performed on small anatomic structures may require reduced power settings. The higher the current flow,
and the longer the current is applied, the greater the possibility of unintended thermal damage to tissue, especially
during use on small structures.
Use electrosurgery with caution in the presence of internal or external devices such as pacemakers or pulse genera-
tors. Interference produced by the use of electrosurgical devices can cause devices such as pacemakers to enter an
asynchronous mode or can block the pacemaker effect entirely. Consult the device manufacturer or hospital
Cardiology Department for further information when use of electrosurgical appliances is planned for patients with
cardiac pacemakers or other implantable devices.
If the patient has an Implantable Cardioverter Defibrillator (ICD), contact the ICD manufacturer for instructions before
performing an electrosurgical procedure. Electrosurgery may cause multiple activation of ICDs.
Do not use electrosurgical equipment unless properly trained to use it in the specific procedure being undertaken.
Use by physicians without such training has resulted in serious, unintended patient injury, including bowel perfora-
tion and unintended, irreversible tissue necrosis.
For surgical procedures where the high frequency current could flow through parts of the body having a relatively
small cross-sectional area, the use of bipolar techniques may be desirable to avoid unwanted coagulation.
In some circumstances, potential exists for alternate site burns at points of skin contact
(e.g., between the arm and the side of the body). This occurs when electrosurgical current
seeks a path to the patient return electrode that includes the skin-to-skin contact point.
Current passing through small skin-to-skin contact points is concentrated and may cause
a burn. This is true for grounded, ground referenced, and isolated output generators.To reduce the potential for alter-
nate site burns, do one or more of the following:
• Avoid skin-to-skin contact points, such as fingers touching leg, when positioning the patient.
• Place 5 to 8 cm (2 to 3 in.) of dry gauze between contact points to ensure that contact does not occur.
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