ARIBEX Nomad Dental User manual

This quick reference guide is intended to supplement the Operator Manual
and operator training materials located on the NOMAD Operator Training CD.
NOTE: The manual and training materials are also available for
download on the Aribex website @ www.aribex.com.
nUnwrap each component from the protective plastic and check for
any noticeable signs of damage. Do not use the device if it shows signs
of damage.
The standard package system includes the following items:
•NOMAD Device with Backscatter Shield attached
•2 Charged Batteries
•Battery Charger (the charger should be appropriate for local
AC line voltage)
•Certificate of Conformance
•Warranty Card
•NOMAD Operator Training CD
oVerify that the serial number on the warranty/registration card matches
the X-ray head serial number and the device serial number on the
carrying case.
pPlease complete the product warranty/registration card and mail it
with proper postage to Aribex today. Completing the card fulfills a
condition of warranty coverage.
Review the Operator Manual and training material
contained on the CD shipped with this device.
The following are important battery care notes:
• Each battery can go through the full (dis)charge cycle approximately
200 times. Routinely change out a discharged battery with fully
charged one, as needed.
• A flashing, yellow Low Battery indicator (control panel) and
intermittent audible signal indicate the need for a freshly charged
battery.
• Charge only between +4°C (+39°F) and +40°C (+104°F).
Recommended charging temperature is +24°C (+75°F).
• A battery can be left indefinitely in the plugged-in charger without
damaging batteries. When the charging indicator stops flashing,
leaving the battery in the charger for 8 hours helps to maintain
optimum battery capacity (equalization).
• Battery charge will diminish during extended inactivity – fully
recharge batteries every 3 months during inactivity.
Never place a low charge battery into long-term storage.
• Do not store batteries in extreme conditions: below –20°C (–4°F)
or above +40°C (+104°F), or beyond 95% relative humidity
(non-condensing). The optimal storage location is cool, dry, and
away from direct sunlight.
• Do not store or carry batteries so that battery terminals can be
damaged or exposed to contact with conductive objects.
• Always unplug the charger from the power supply when it is not
in use. For additional info specifically about the charger, see the
accompanying instruction manual for the battery charger.
Do not attempt to charge a handset with damaged batteries.
Risk of fire or explosion exists if batteries inside the handset
are replaced by unauthorized service personnel; do not use
batteries from other sources.
Properly dispose of spent or damaged handsets; return to
Aribex or an authorized distributor for replacement and
recycling. Do not place in municipal waste stream.
BASIC OPERATION
nAttach a fully charged battery (see Battery Care).
oTurn the power on by pressing the Power ( ) button.
pTo change exposure settings press the increase or decrease buttons.
(Example, 08 LED display setting = 0.08 seconds; 35 LED display
setting = 0.35 seconds.)
For more on adjusting the time settings see the Operator Manual
contained on the CD.
qPress and release Enable to ready the device.
rPosition the NOMAD relative to the receptor.
sTo begin the exposure, squeeze the handle trigger (or press and
hold Start) until the audible, signal ends, and green Start and
yellow X-Rays On indicators are off.
tTurn off the power by pressing the Power () button.
Do not operate NOMAD or battery charger if equipment was
subjected to moisture.
Do not spray disinfectant or cleaners directly on the NOMAD
or battery charger. Damage to your device or a shock hazard
may result. Consult the Operator Manual on the CD for proper
cleaning instructions.
Do not open the housings. Doing so will void the warranty.
There are no user-serviceable parts inside the NOMAD or
battery charger.
Locate the charging system away from the normal patient
environment.
NOMAD should not be operated if it has been dropped or
performance degrades; it should be returned to Aribex for a
safety check.
BATTERY CARE
COVERAGE. Aribex warrants its medical and dental x-ray equipment to be free from any
defects in material or workmanship for a period of one (1) year from the date of purchase.
Aribex also warrants any accessories purchased from Aribex to be free from any defects in
material or workmanship for the period of one (1) year from the date of purchase.
The liability of Aribex is limited to repair or replacement of any parts that Aribex or its
authorized resellers determine to be defective. Contact Aribex for a Return Material
Authorization (RMA) number and shipping instructions. Parts proving defective shall be
repaired or replaced free of charge (labor and domestic shipping included), if defective
equipment is returned freight collect to Aribex (USA) or the location of the authorized service
center. Equipment repaired or replaced under warranty shall continue to be warranted for the
balance of the original warranty term. All warranty claims must be made not later than ten
(10) business days following the expiration of the applicable warranty period.
LIMITATIONS OF COVERAGE. This warranty does not apply to equipment that is or has
been abused, misused, or altered (including opening enclosure or tampering), improperly
maintained, subjected to use beyond rated conditions, or damaged as a result of any
carelessness or accidents. This warranty does not cover ordinary wear and tear or maintenance.
LIMITATIONS OF LIABILITY. Aribex makes no other warranty, either expressed or implied, with
respect to any equipment purchased from Aribex, including without limitation any implied
warranties of merchantability or fitness for a particular purpose, whether or not Aribex may
have been informed of the actual uses to which any of such equipment may be put. Aribex shall
not under any circumstance be liable for incidental, indirect, consequential, punitive or
exemplary damages, including without limitation damages for delay or lost profits, and in
no event shall liability of Aribex arising from the purchase, sale or use of the equipment,
or breach of any warranty made above, exceed in the aggregate the purchase price paid
therefore.
Aribex
11727 Fruehauf Dr
Charlotte, NC 28273
U. S. A.
Phone: [phone]
Fax: 
800-659-4299
Email: [email protected]
http://www.aribex.com
LIMITED WARRANTY
GETTING STARTED
0413
ISO 13485 / ISO 9001
CERTIFIED COMPANY
EC REP
MT Promedt Consulting
Altenhofstr. 80
66386 St. Ingbert
Germany
U.S. patents 7,224,769 and 7,496,178
United States and international patents pending.
English is the original draft language for this manual.
© Aribex 2017
All Rights Reserved
0.850.0319 Rev A 12/1/2017
™
MANUFACTURED BY

NOMAD is safe to be used as a handheld X-ray source
when used correctly. There is no need to leave the room
during an exposure.
Aside from the direct beam, X-ray devices have two potential operator radiation
sources: 1) leakage radiation and 2) backscatter radiation bouncing back
off the subject.
nLeakage: Unique internal shielding of NOMAD encases the X-ray
tube eliminating leakage radiation. As demonstrated by the data
below, this makes it safe to use NOMAD as a handheld device
during exposures.
Comparative Data for Hand and Extremity Exposure (Annual)
500mSv Occupational Dose Limit1
50mSv Occupational Dose Limit Requiring Dosimetry1
0.43mSv Average Using NOMAD with D-Speed Film2
0.22mSv Average Using NOMAD with F-Speed Film or Digital Sensor2
1) Standards for Protection against Radiation, 10 CFR 20 (US Federal Standards), 1994 (see also
NCRP Report No. 116 and Suggested State Regulations for Control of Radiation D.1201)
2) “Radiation Exposure with the NOMAD Portable X-ray System,” Goren AD et al, Dentomaxillofacial
Radiology, 37 (2008), S. 109-12; normalized average (includes leakage and backscatter radiation)
assumes 7,200 exposures per year, and the average length of exposure for D-speed = 0.50 seconds,
F-speed = 0.25 seconds, digital sensor = 0.20 seconds
ALARMS & ALERTSTHE NOMADTM
DIFFERENCE
oBackscatter : When properly oriented, the transparent shield on the
NOMAD collimator acts as a barrier against backscatter radiation,
making it safe for the operator to stay in the room.
Comparative Data for Whole Body Exposure (Annual)
50mSv Occupational Dose Limit1
5mSv Occupational Dose Limit Requiring Dosimetry1
3.65mSv Average Natural Background Radiation2
2.19mSv Average Occupational Radiation Exposure for Flight Crews3
1.00mSv General Public Dose Limit1
0.20-0.70mSv Range of Exposure for Dental Personnel Using Conventional X-rays2
0.30mSv Average Using NOMAD with D-Speed Film4
0.12mSv Average Using NOMAD with F-Speed Film or Digital Sensor4
1) Standards for Protection against Radiation, 10 CFR 20 (US Federal Standards), 1994 (see also
NCRP Report No. 116 and Suggested State Regulations for Control of Radiation D.1201)
2) NCRP Report No. 145 (National Council on Radiation Protection and Measurements), p7-9
3) “Estimated Cosmic Radiation Doses for Flight Personnel,” Feng YJ et al, Space Medicine and
Medical Engineering, 15(4) 2002, p265-9
4) Normalized average assumes 7,200 exposures per year, and the average length of exposure for
D-speed = 0.50 seconds, F-speed = 0.25 seconds, digital sensor = 0.20 seconds
As a result of the internal and backscatter shielding, operator
X-ray exposure is far below federal regulatory limits.
RADIATION SAFETY
• Operators must follow all applicable regulatory guidelines and in-house
radiation protection programs in regard to patients and operators who
are pregnant or expect to become pregnant.
• Operators must be fully acquainted with industry safety
recommendations, established maximum permissible doses, and local
jurisdiction requirements for use.
• Do not enable NOMAD until patient and operator are positioned
and ready for the exposure, preventing interruption and inadvertent
exposure of anyone to X-rays.
• Do not attempt an exposure if anyone other than patient is in the direct
beam. If others are assisting, then they should wear protective covering
as required by local jurisdictions.
• When selecting and using sensors, preference should be given to
models that allow the backscatter shield to remain at the outer end of
the collimator cone for maximum operator protection.
• An exposure can be terminated for any reason by prematurely releasing
the depressed trigger.
• Optimal operator radiation backscatter protection exists when:
a) the backscatter shield is positioned at the outer end of the
collimator cone,
b) the backscatter shield is close to the patient,
c) the patient tilts their head when needed to accommodate exposures, and
d) the operator remains within the significant zone of occupancy
immediately behind the device shield.
• As shown in graphic representations, maximum protection (green
area) from backscatter radiation (red area) exists when the NOMAD is
positioned near the patient (oval), is perpendicular to the operator with
the patient positioned/tilted as needed, and the backscatter shield is
fully extended toward the patient.
Proper Position Held Back Shield slid
back
Non-
perpendicular
PROTECTION: MAXIMUM MINIMIZED
• Operation outside the protection zone (or with a diminished protective
zone) requires proper precautions such as the use of lead aprons,
according to requirements of local jurisdictions.
ALERT FUNCTION/RESOLUTION
Green Enabled indicator flashes System Readiness: Activates when
Enable is pressed/released; ends
automatically after 30 seconds or
when an exposure starts (trigger is
depressed or Start is pressed).
Slow series of short, double beeps
Green Start and yellow
X-Rays On indicators illuminate
X-ray Exposure: At the end of
the successful exposure, audible
signal and indicators stop.
Continuous tone (for the duration
of the timed exposure)
Green Start and yellow
X-Rays On indicators flash Incomplete Exposure: Activates
if trigger is released before the
timed x-ray exposure finishes
and ends automatically after 15
seconds or if power is manually
turned off/on.
Series of long beeps
LED display turns off System Alert, followed by a
system shutdown: X-ray emissions
are not detected during timed
exposure but the battery is OK.
Two short beeps
Yellow Low Battery indicator
flashes Low Battery: Replace the battery
and reset exposure time.
Slow series of short beeps
ALARM FUNCTION/RESOLUTION
LED display begins flashing Overheating: Operation suspends
if the device overheats; after cool-
ing for approximately 5 minutes
(or longer depending upon room
temperature), power on.
Series of long beeps
X-ray Source
Focal Spot
Backscatter
Radiation
Shielding
Primary
Protective
Shielding
Fixed Beam
Limiting Device