NSK Osseo 100 Manual De Operación página 4

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8. Characteristics
Osseo 100 is an instrument for measuring the stability
(ISQ) of dental and craniofacial implants. The instrument
measures the resonance frequency of a MulTipeg and
presents it as an ISQ value. The ISQ value, 1-99, reflects
the stability of the implant – the higher the value, the more
stable the implant.
The instrument measures the ISQ-value with a precision
of +/- 1 ISQ unit. When mounted onto an implant, the
MulTipeg resonance frequency can vary up to 2 ISQ units
depending on the tightening torque.
Warning: Use of this equipment adjacent to or
stacked with other equipment should be avoided
because it could result in improper operation.
9. MulTipeg
The MulTipeg is made from titanium and has an integrated
grip for the MulTipeg driver on top. Inspect the MulTipeg
for damage before use. Damaged MulTipegs should not be
used due to the risk of erroneous measurements.
There are different MulTipegs available made to fit
different implant systems and types. Please refer to the
updated list from the supplier.
Measurements should only be performed using
the correct MulTipegs. Using the wrong MulTipeg
could cause erroneous measurements or damages
to the MulTipeg or implant.
The instrument emits short magnetic pulses with
pulse duration of 1 ms and strength of +/- 20 gauss,
10 mm from the instrument tip. Precautions might
be necessary when using the instrument close to
cardiac pacemakers or other equipment sensitive
to magnetic fields.
10. Technical function
For bringing the MulTipeg into vibration, short magnetic
pulses are sent from the instrument tip. The magnetic
pulses interact with the magnet inside the MulTipeg and
cause the MulTipeg to vibrate. A pickup in the instrument
picks up the alternating magnetic field from the vibrating
magnet, calculates the frequency and from that, the ISQ
value.
11. Implant stability
An implant can have different stabilities in different
directions. Make sure to measure from different directions
around the top of the MulTipeg.
12. ISQ-value
The stability of the implant is presented as an "ISQ value".
The higher the value, the more stable the implant. The ISQ
is described in numerous clinical studies. A list of studies
can be ordered from the supplier.
13. Batteries & charging
The instrument contains 2 NiMH battery cells that must
be charged before use. A full charge takes approximately
3 hours at 20°C or 68°F. Warmer room temperature will
increase the charging time. From fully charged, the
instrument can measure continuously for 60 minutes
before it needs to be recharged. The yellow LED is lit when
the battery needs recharging. When the battery reaches a
critical level, the instrument shuts off automatically. When
the batteries are charging, the blue LED is lit. When the
charging is ready, the light goes off. The charger should not
be plugged in while measuring due to the risk of power line
interference making it difficult to measure.
14. Usage
14.1 Instrument on/off
To turn the instrument on, press the operating key. A short
beep should be heard and then all display segments are lit
up for a short while. Check that all display segments are lit.
The software version is then shown briefly before the
instrument starts to measure. If any error code (EX, where
"X" is the error number) is shown during start up, please
refer to the section "Troubleshooting".
To turn off, press and hold the operating key until the
instrument turns off. The instrument will power down
automatically after 30 seconds of inactivity.
14.2 Measurement Osseo 100
A MulTipeg (fig 3) is mounted onto the implant by using the
MulTipeg driver (fig 2). Use hand-tightening with 6-8 Ncm
of tightening torque. Turn on the instrument and hold the
tip close to the top of the MulTipeg (fig 5). When a signal is
received, a beep is heard and then the ISQ-value is shown
on the display for a short while before the instrument
starts to measure again.
If electromagnetic noise is present, the instrument cannot
measure. The electromagnetic noise warning is audible
as well as visible on the display. Try to remove the source
of the noise. The source could be any electric equipment
close to the instrument.
15. Cleaning and maintenance
Before use, the parts should be cleaned and
disinfected.
15.1 Recommended disinfectants
The following disinfectants are recommended for the
instrument, the MulTipeg and the MulTipeg Driver:
• Schülke & Mayr: Mikrozid AF Liquid
• Dürr: FD 322
• Metrex: CaviCide
Follow the instructions for use for the disinfectant that is
used.
Do not autoclave the instrument.
15.2 Autoclave sterilization
(MulTipeg & MulTipeg Driver)
Sterilization should be made in a pre-vacuum steam
sterilizer (autoclave) according to ISO 17665-1.
Clean the products and put them in an autoclave
The following sterilization process shall be used:
• At least 3 Minutes at 134 (-1/+4)°C or 273(-1.6/+7.4)°F
Follow the instruction for the autoclave that is used.
Do not clean the MulTipeg by ultrasound.
Could cause damage.
The instrument must be used with a cover in all
uses. (Only US)
The instrument must be cleaned with a disinfectant
between patients.
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